<?php

namespace App\Service;

use App\Jobs\ProcessDataJob;
use App\Model\CalendarDetails;
use App\Model\DailyPwOrder;
use App\Model\DailyPwOrderDetails;
use App\Model\Employee;
use App\Model\Item;
use App\Model\MonthlyPwOrder;
use App\Model\MonthlyPwOrderDetails;
use App\Model\RuleSetDetails;
use Illuminate\Support\Facades\DB;

class PersonWorkService extends Service
{
    // 人员月工时单-------------------------------------------
    public function monthlyPwOrderEdit($data,$user){
        list($status,$msg) = $this->monthlyPwOrderRule($data, $user, false);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = MonthlyPwOrder::where('id',$data['id'])->first();
//            $model->month = $data['month'] ?? 0;
//            $model->save();

            $time = time();
            MonthlyPwOrderDetails::where('del_time',0)
                ->where('main_id', $model->id)
                ->update(['del_time' => $time]);
            $this->saveDetail($model->id, $time, $data);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function monthlyPwOrderAdd($data,$user){
        list($status,$msg) = $this->monthlyPwOrderRule($data, $user);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = new MonthlyPwOrder();
            $model->code = $this->generateBillNo([
                'top_depart_id' => $user['top_depart_id'],
                'type' => MonthlyPwOrder::Order_type,
                'period' => date("Ym", $data['month'])
            ]);
            $model->month = $data['month'] ?? 0;
            $model->crt_id = $user['id'];
            $model->top_depart_id = $data['top_depart_id'];
            $model->save();

            $this->saveDetail($model->id, time(), $data);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    private function saveDetail($id, $time, $data){
        if(! empty($data['details'])){
            $unit = [];
            foreach ($data['details'] as $value){
                $unit[] = [
                    'main_id' => $id,
                    'employee_id' => $value['employee_id'],
                    'total_days' => $value['total_days'],
                    'rd_total_days' => $value['rd_total_days'],
                    'total_hours' => $value['total_hours'],
                    'rd_total_hours' => $value['rd_total_hours'],
                    'crt_time' => $time,
                    'top_depart_id' => $value['top_depart_id'],
                ];
            }
            if(! empty($unit)) MonthlyPwOrderDetails::insert($unit);
        }
    }

    private function getDetail($id){
        $data = MonthlyPwOrderDetails::where('del_time',0)
            ->where('main_id', $id)
            ->select('employee_id', 'total_days', 'rd_total_days', 'total_hours', 'rd_total_hours')
            ->get()->toArray();

        $id = array_column($data,'employee_id');
        $map = Employee::whereIn('id', $id)->select('title','id','number')->get()->toArray();
        $map = array_column($map,null,'id');

        foreach ($data as $key => $value){
            $tmp = $map[$value['employee_id']] ?? [];
            $merge = [];
            $merge['employee_title'] = $tmp['title'];
            $merge['employee_number'] = $tmp['number'];

            $data[$key] = array_merge($value, $merge);
        }

        $detail = [
            'details' => $data,
        ];

        foreach ($detail as $key => $value) {
            if (empty($value)) {
                $detail[$key] = (object)[]; // 转成 stdClass 对象
            }
        }

        return $detail;
    }

    public function monthlyPwOrderDel($data){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];

        try {
            DB::beginTransaction();
            $time = time();

            MonthlyPwOrder::where('del_time',0)
                ->whereIn('id',$data['id'])
                ->update(['del_time' => $time]);

            MonthlyPwOrderDetails::where('del_time',0)
                ->whereIn('main_id', $data['id'])
                ->update(['del_time' => $time]);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function monthlyPwOrderDetail($data, $user){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];
        $customer = MonthlyPwOrder::where('del_time',0)
            ->where('id',$data['id'])
            ->first();
        if(empty($customer)) return [false,'人员月度工时单不存在或已被删除'];
        $customer = $customer->toArray();
        $customer['crt_name'] = Employee::where('id',$customer['crt_id'])->value('title');
        $customer['crt_time'] = $customer['crt_time'] ? date("Y-m-d H:i:s",$customer['crt_time']): '';
        $customer['month'] = $customer['month'] ? date("Y-m",$customer['month']): '';

        $details = $this->getDetail($data['id']);
        $customer = array_merge($customer, $details);

        return [true, $customer];
    }

    public function monthlyPwOrderCommon($data,$user, $field = []){
        if(empty($field)) $field = MonthlyPwOrder::$field;

        $model = MonthlyPwOrder::Clear($user,$data);
        $model = $model->where('del_time',0)
            ->select($field)
            ->orderby('id', 'desc');

        if(! empty($data['time'][0]) && ! empty($data['time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['time']);
            $model->where('month','>=',$return[0]);
            $model->where('month','<=',$return[1]);
        }
        if(! empty($data['code'])) $model->where('code', 'LIKE', '%'.$data['code'].'%');
        if(! empty($data['id'])) $model->whereIn('id', $data['id']);
        if(! empty($data['crt_time'][0]) && ! empty($data['crt_time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);
            $model->where('crt_time','>=',$return[0]);
            $model->where('crt_time','<=',$return[1]);
        }

        return $model;
    }

    public function monthlyPwOrderList($data,$user){
        $model = $this->monthlyPwOrderCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->fillData($list);

        return [true, $list];
    }

    public function monthlyPwOrderRule(&$data, $user, $is_add = true)
    {
        if (empty($data['month'])) return [false, '月份不能为空'];
        $data['month'] = $this->changeDateToDate($data['month']);
        $data['top_depart_id'] = $user['top_depart_id'];

        if (empty($data['details'])) return [false, '人员月度工时单明细不能为空'];

        //获取系统计算的考勤基准数据 ---
        $empIds = array_column($data['details'], 'employee_id');
        list($status, $systemStats) = (new EmployeeService())->getEmployeesMonthStats($empIds, $data['month'], $user);
        if (!$status) return [false, $systemStats]; // 如果日历未设置，直接拦截

        foreach ($data['details'] as $key => $value) {
            if (empty($value['employee_id'])) return [false, '人员不能为空'];
            $empId = $value['employee_id'];

            // 基础数字格式检查
            foreach (['total_days', 'rd_total_days', 'total_hours', 'rd_total_hours'] as $field) {
                $precision = 2;
                $res = $this->checkNumber($value[$field], $precision, 'non-negative');
                if (!$res['valid']) return [false, $value['employee_title'] . "的" . $field . "：" . $res['error']];
            }

            // --- 业务逻辑校验：出勤天数与工时合法性 ---
            $sysData = $systemStats[$empId] ?? null;
            if ($sysData) {
                // 1. 研发天数不能大于出勤总天数
                if ($value['rd_total_days'] > $value['total_days']) {
                    return [false, "第" . ($key + 1) . "行：研发出勤天数不能大于出勤总天数"];
                }

                // 2. 研发工时不能大于出勤总工时
                if ($value['rd_total_hours'] > $value['total_hours']) {
                    return [false, "第" . ($key + 1) . "行：研发总工时不能大于出勤总工时"];
                }

                // 4. 校验出勤总天数是否超过了系统计算的上限
                if ($value['total_days'] != $sysData['attendance_days']) {
                    return [false, "人员[{$empId}]填写的出勤总天数({$value['total_days']})不等于系统核算的天数({$sysData['attendance_days']})"];
                }

                //校验出勤总工时是否超过了系统计算的上限
                if ($value['total_hours'] != $sysData['final_work_hour']) {
                    return [false, "人员[{$empId}]填写的出勤总工时({$value['total_hours']})不等于系统核算的工时({$sysData['final_work_hour']})"];
                }
            }

            $data['details'][$key]['top_depart_id'] = $data['top_depart_id'];
        }

        // --- 查重与唯一性校验 ---
        list($status, $msg) = $this->checkArrayRepeat($data['details'], 'employee_id', '人员');
        if (!$status) return [false, $msg];

        $query = MonthlyPwOrder::where('top_depart_id', $data['top_depart_id'])
            ->where('month', $data['month'])
            ->where('del_time', 0);

        if (!$is_add) {
            if (empty($data['id'])) return [false, 'ID不能为空'];
            $query->where('id', '<>', $data['id']);
        }

        if ($query->exists()) {
            return [false, date("Y-m", $data['month']) . '已存在人员月度研发工时单'];
        }

        return [true, ''];
    }

    public function monthlyPwOrderRule1(&$data, $user, $is_add = true){
        if(empty($data['month'])) return [false, '月份不能为空'];
        $data['month'] = $this->changeDateToDate($data['month']);

        $data['top_depart_id'] = $user['top_depart_id'];
        if(empty($data['details'])) return [false, '人员月度工时单明细不能为空'];
        foreach ($data['details'] as $key => $value){
            if(empty($value['employee_id'])) return [false, '人员不能为空'];
            $res = $this->checkNumber($value['total_days'],0,'non-negative');
            if(! $res['valid']) return [false,'出勤总天数：' . $res['error']];
            $res = $this->checkNumber($value['rd_total_days'],0,'non-negative');
            if(! $res['valid']) return [false,'研发出勤总天数：' . $res['error']];
            $res = $this->checkNumber($value['total_hours'],2,'non-negative');
            if(! $res['valid']) return [false,'出勤总工时：' . $res['error']];
            $res = $this->checkNumber($value['rd_total_hours'],2,'non-negative');
            if(! $res['valid']) return [false,'研发总工时：' . $res['error']];

            $data['details'][$key]['top_depart_id'] = $data['top_depart_id'];
        }
        list($status, $msg) = $this->checkArrayRepeat($data['details'],'employee_id','人员');
        if(! $status) return [false, $msg];

        if($is_add){
            $bool = MonthlyPwOrder::where('top_depart_id', $data['top_depart_id'])
                ->where('month', $data['month'])
                ->where('del_time',0)
                ->exists();
        }else{
            if(empty($data['id'])) return [false,'ID不能为空'];
            $bool = MonthlyPwOrder::where('top_depart_id', $data['top_depart_id'])
                ->where('month', $data['month'])
                ->where('id','<>',$data['id'])
                ->where('del_time',0)
                ->exists();
        }
        if($bool) return [false, date("Y-m", $data['month']) . '已存在人员月度研发工时单'];

        return [true, ''];
    }

    public function fillData($data){
        if(empty($data['data'])) return $data;

        $emp = (new EmployeeService())->getEmployeeMap(array_unique(array_column($data['data'],'crt_id')));
        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['crt_time'] = $value['crt_time'] ? date('Y-m-d H:i:s',$value['crt_time']) : '';
            $data['data'][$key]['month'] = $value['month'] ? date('Y-m',$value['month']) : '';
            $data['data'][$key]['crt_name'] = $emp[$value['crt_id']] ?? '';
        }

        return $data;
    }

    public function fillDataForExport($data, $column, &$return)
    {
        if(empty($data)) return;

        $mainIds = array_column($data, 'id');
        // 获取详情映射 [main_id => [details...]]
        $detailsMap = $this->getDetailsMap($mainIds);

        // 默认空行模板
        $defaultRow = array_fill_keys($column, '');

        foreach ($data as $main) {
            $mainId = $main['id'];
            $details = $detailsMap[$mainId] ?? [];

            // 提取主表信息
            $mainInfo = [
                'code'  => $main['code'],
                'month' => $main['month'] ? date('Y-m', $main['month']) : '',
            ];

            if (empty($details)) {
                // 如果没有详情，至少导出一行主表信息（可选）
                $return[] = array_merge($defaultRow, $mainInfo);
            } else {
                // 核心：遍历详情，每一行详情都合并主表信息
                foreach ($details as $sub) {
                    // 合并主表字段 + 详情字段
                    $fullRow = array_merge($mainInfo, $sub);
                    // 过滤掉不在导出列里的字段，并补充缺失列
                    $return[] = array_merge($defaultRow, array_intersect_key($fullRow, $defaultRow));
                }
            }
        }
    }

    public function getDetailsMap($main_ids)
    {
        // 获取详情
        $details = MonthlyPwOrderDetails::where('del_time', 0)
            ->whereIn('main_id', $main_ids)
            ->get();

        // 获取人员信息
        $empIds = $details->pluck('employee_id')->unique();
        $empMap = Employee::whereIn('id', $empIds)->get()->keyBy('id');

        $res = [];
        foreach ($details as $item) {
            $tmpEmp = $empMap[$item->employee_id] ?? null;

            // 组装每一行详情需要展示的字段
            $res[$item->main_id][] = [
                'employee_number' => $tmpEmp ? $tmpEmp->number : '',
                'employee_title' => $tmpEmp ? $tmpEmp->title : '',
                'total_days'     => $item->total_days,
                'rd_total_days'  => $item->rd_total_days,
                'total_hours'    => $item->total_hours,
                'rd_total_hours' => $item->rd_total_hours,
            ];
        }
        return $res; // 返回 [main_id => [detail_row, detail_row]]
    }

    // 人员日工时单 ------------------------------------------------

    public function dailyPwOrderEdit($data,$user){
        list($status,$msg) = $this->dailyPwOrderRule($data, $user, false);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = DailyPwOrder::where('id',$data['id'])->first();
            $model->item_id = $data['item_id'] ?? 0;
            $model->save();

            $time = time();
            DailyPwOrderDetails::where('del_time',0)
                ->where('main_id', $model->id)
                ->update(['del_time' => $time]);
            $this->saveDetailDaily($model->id, $time, $data, $user);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function dailyPwOrderAdd($data,$user){
        list($status,$msg) = $this->dailyPwOrderRule($data, $user);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = new DailyPwOrder();
            $model->code = $this->generateBillNo([
                'top_depart_id' => $user['top_depart_id'],
                'type' => DailyPwOrder::Order_type,
                'period' => date("Ym", $data['order_time'])
            ]);
            $model->order_time = $data['order_time'] ?? 0;
            $model->item_id = $data['item_id'] ?? 0;
            $model->crt_id = $user['id'];
            $model->top_depart_id = $data['top_depart_id'];
            $model->save();

            $this->saveDetailDaily($model->id, time(), $data, $user);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    private function saveDetailDaily($id, $time, $data, $user){
        if(! empty($data['details'])){
            $unit = [];
            foreach ($data['details'] as $value){
                $unit[] = [
                    'main_id' => $id,
                    'employee_id' => $value['employee_id'],
                    'start_time_hour' => $value['start_time_hour'],
                    'start_time_min' => $value['start_time_min'],
                    'end_time_hour' => $value['end_time_hour'],
                    'end_time_min' => $value['end_time_min'],
                    'total_work_min' => $value['total_work_min'],
                    'crt_time' => $time,
                    'top_depart_id' => $value['top_depart_id'],
                    'order_time' =>  $data['order_time'] ?? 0,
                    'item_id' =>  $data['item_id'],
                    'crt_id' =>  $user['id'],
                ];
            }
            if(! empty($unit)) DailyPwOrderDetails::insert($unit);
        }
    }

    private function getDetailDaily($id){
        $data = DailyPwOrderDetails::where('del_time',0)
            ->where('main_id', $id)
            ->select('employee_id', 'start_time_hour', 'start_time_min', 'end_time_hour', 'end_time_min', 'total_work_min')
            ->get()->toArray();

        $id = array_column($data,'employee_id');
        $map = Employee::whereIn('id', $id)
            ->select('title','id','number')
            ->get()
            ->keyBy('id')
            ->toArray();

        foreach ($data as $key => $value){
            $tmp = $map[$value['employee_id']] ?? [];
            $merge = [];
            $merge['employee_title'] = $tmp['title'];
            $merge['employee_number'] = $tmp['number'];
            $data[$key] = array_merge($value, $merge);
        }

        $detail = [
            'details' => $data,
        ];

        foreach ($detail as $key => $value) {
            if (empty($value)) {
                $detail[$key] = (object)[]; // 转成 stdClass 对象
            }
        }

        return $detail;
    }

    public function dailyPwOrderDel($data){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];

        try {
            DB::beginTransaction();
            $time = time();

            DailyPwOrder::where('del_time',0)
                ->whereIn('id',$data['id'])
                ->update(['del_time' => $time]);

            DailyPwOrderDetails::where('del_time',0)
                ->whereIn('main_id', $data['id'])
                ->update(['del_time' => $time]);

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function dailyPwOrderDetail($data, $user){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];
        $customer = DailyPwOrder::where('del_time',0)
            ->where('id',$data['id'])
            ->first();
        if(empty($customer)) return [false,'人员日工时单不存在或已被删除'];
        $customer = $customer->toArray();
        $customer['crt_name'] = Employee::where('id',$customer['crt_id'])->value('title');
        $customer['crt_time'] = $customer['crt_time'] ? date("Y-m-d H:i:s",$customer['crt_time']): '';
        $item = Item::where('id', $customer['item_id'])->first();
        $customer['item_title'] = $item->title;
        $customer['item_code'] = $item->code;
        $customer['order_time'] = $customer['order_time'] ? date("Y-m-d",$customer['order_time']): '';

        $details = $this->getDetailDaily($data['id']);
        $customer = array_merge($customer, $details);

        return [true, $customer];
    }

    public function dailyPwOrderCommon($data,$user, $field = []){
        if(empty($field)) $field = DailyPwOrder::$field;

        $model = DailyPwOrder::Clear($user,$data);
        $model = $model->where('del_time',0)
            ->select($field)
            ->orderby('id', 'desc');

        if(! empty($data['time'][0]) && ! empty($data['time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['time']);
            $model->where('order_time','>=',$return[0]);
            $model->where('order_time','<=',$return[1]);
        }
        if(! empty($data['code'])) $model->where('code', 'LIKE', '%'.$data['code'].'%');
        if(! empty($data['id'])) $model->whereIn('id', $data['id']);
        if(! empty($data['crt_time'][0]) && ! empty($data['crt_time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);
            $model->where('crt_time','>=',$return[0]);
            $model->where('crt_time','<=',$return[1]);
        }
        if (!empty($data['item_title'])) {
            $models = Item::Clear($user,$data);
            $id = $models->where('del_time',0)
                ->where('title', 'LIKE', '%'.$data['item_title'].'%')
                ->pluck('id')
                ->all();
            $model->whereIn('item_id', $id);
        }

        return $model;
    }

    public function dailyPwOrderList($data,$user){
        $model = $this->dailyPwOrderCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->fillDataDaily($list);

        return [true, $list];
    }

    public function dailyPwOrderRule(&$data, $user, $is_add = true){
        if(empty($data['order_time'])) return [false, '单据日期不能为空'];
        $data['order_time'] = $this->changeDateToDate($data['order_time']);
        $orderTime = $data['order_time'];
        $itemId = $data['item_id'] ?? 0;

        if(empty($itemId)) return [false, '项目不能为空'];
        $bool = Item::where('del_time',0)->where('id', $itemId)->exists();
        if(!$bool) return [false, '项目不存在或已被删除'];

        $data['top_depart_id'] = $user['top_depart_id'];
        if(empty($data['details'])) return [false, '人员日工时单明细不能为空'];

        // --- 1. 批量预获取人员信息，用于报错提示 ---
        $allEmpIds = array_filter(array_unique(array_column($data['details'], 'employee_id')));

        // 如果需要工号+姓名，建议这样获取：
        $empDisplayMap = Employee::whereIn('id', $allEmpIds)
            ->get(['id', 'number', 'title'])
            ->mapWithKeys(function($item){
                return [$item->id => "[{$item->number}]{$item->title}"];
            })->toArray();

        // 2. 本次提交内部重叠记录器
        $internalOverlap = [];

        foreach ($data['details'] as $key => $value){
            $empId = $value['employee_id'] ?? 0;
            if(empty($empId)) return [false, '人员不能为空'];

            $empName = $empDisplayMap[$empId] ?? "ID:{$empId}";

            $res = $this->checkNumber($value['start_time_hour'], 0, 'non-negative');
            if(!$res['valid']) return [false, "人员{$empName}开始点：" . $res['error']];
            if($value['start_time_hour'] > 23) return [false, false, "人员{$empName}开始点不合法"];
            $res = $this->checkNumber($value['start_time_min'], 0, 'non-negative');
            if(!$res['valid']) return [false, "人员{$empName}开始分：" . $res['error']];
            if($value['start_time_min'] > 60) return [false, false, "人员{$empName}开始点不合法"];
            $res = $this->checkNumber($value['end_time_hour'], 0, 'non-negative');
            if(!$res['valid']) return [false, "人员{$empName}结束点：" . $res['error']];
            if($value['end_time_hour'] > 24) return [false, false, "人员{$empName}结束点不合法"];
            $res = $this->checkNumber($value['end_time_min'], 0, 'non-negative');
            if(!$res['valid']) return [false, "人员{$empName}结束分：" . $res['error']];
            if($value['end_time_min'] > 60) return [false, false, "人员{$empName}结束分不合法"];

            $currentStart = $value['start_time_hour'] * 60 + $value['start_time_min'];
            $currentEnd   = $value['end_time_hour'] * 60 + $value['end_time_min'];

            if ($currentStart >= $currentEnd) {
                return [false, "人员{$empName}：开始时间必须早于结束时间"];
            }

            // --- 3. 内部重叠校验（防止一次提交多行重复） ---
            if (isset($internalOverlap[$empId])) {
                foreach ($internalOverlap[$empId] as $period) {
                    if ($currentStart < $period['e'] && $period['s'] < $currentEnd) {
                        return [false, "人员{$empName}在本次提交的多行明细中时间段重叠"];
                    }
                }
            }
            $internalOverlap[$empId][] = ['s' => $currentStart, 'e' => $currentEnd];

            $query = DB::table('daily_pw_order_details as d')
                ->join('daily_pw_order as m', 'd.main_id', '=', 'm.id')
                ->where('m.top_depart_id', $data['top_depart_id'])
                ->where('m.order_time', $orderTime)
                ->where('m.item_id', $itemId)
                ->where('d.employee_id', $empId)
                ->where('m.del_time', 0)
                ->where('d.del_time', 0);

            if (!$is_add && !empty($data['id'])) {
                $query->where('m.id', '<>', $data['id']);
            }

            $existingPeriods = $query->select('d.start_time_hour', 'd.start_time_min', 'd.end_time_hour', 'd.end_time_min')->get();

            foreach ($existingPeriods as $p) {
                $exStart = $p->start_time_hour * 60 + $p->start_time_min;
                $exEnd   = $p->end_time_hour * 60 + $p->end_time_min;

                if ($currentStart < $exEnd && $exStart < $currentEnd) {
                    return [false, "人员{$empName}在该项目该日已有其他工时单创建重叠的时间段数据"];
                }
            }

            $data['details'][$key]['top_depart_id'] = $data['top_depart_id'];
        }

        if(!$is_add){
            if(empty($data['id'])) return [false,'ID不能为空'];
            $bool = DailyPwOrder::where('top_depart_id', $data['top_depart_id'])
                ->where('id',$data['id'])
                ->where('del_time',0)
                ->exists();
            if(!$bool) return [false, '人员日工时单不存在或已被删除'];
        }

        return [true, ''];
    }

    public function fillDataDaily($data){
        if(empty($data['data'])) return $data;

        $emp = (new EmployeeService())->getEmployeeMap(array_unique(array_column($data['data'],'crt_id')));
        $item = (new ItemService())->getItemMap(array_unique(array_column($data['data'],'item_id')));
        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['crt_time'] = $value['crt_time'] ? date('Y-m-d H:i:s',$value['crt_time']) : '';
            $data['data'][$key]['order_time'] = $value['order_time'] ? date('Y-m-d',$value['order_time']) : '';
            $data['data'][$key]['crt_name'] = $emp[$value['crt_id']] ?? '';
            $item_tmp = $item[$value['item_id']] ?? [];
            $data['data'][$key]['item_title'] = $item_tmp['title'] ?? '';
            $data['data'][$key]['item_code'] = $item_tmp['code'] ?? '';
        }

        return $data;
    }

    public function fillDataForExportDaily($data, $column, &$return)
    {
        if (empty($data)) return;

        $mainIds = array_column($data, 'id');
        // 1. 获取详情及所有关联档案（项目、人员）的映射
        $detailsMap = $this->getDailyDetailsMap($mainIds, $data);

        foreach ($data as $main) {
            $mainId = $main['id'];
            $details = $detailsMap[$mainId] ?? [];

            // 2. 提取并格式化主表共有信息
            $mainInfo = [
                'code'       => $main['code'],
                'order_time' => !empty($main['order_time']) ? date('Y-m-d', $main['order_time']) : '',
            ];

            if (empty($details)) {
                // 无明细时只导出一行主表信息
                $tempRow = [];
                foreach ($column as $col) {
                    $tempRow[] = $mainInfo[$col] ?? '';
                }
                $return[] = $tempRow;
            } else {
                // 3. 平铺：将详情里的项目信息、人员信息与主表信息合并
                foreach ($details as $sub) {
                    $fullRowData = array_merge($mainInfo, $sub);
                    $tempRow = [];
                    foreach ($column as $col) {
                        $tempRow[] = $fullRowData[$col] ?? '';
                    }
                    $return[] = $tempRow;
                }
            }
        }
    }

    public function getDailyDetailsMap($mainIds, $mainData)
    {
        // 1. 获取所有子表记录
        $details = DB::table('daily_pw_order_details')
            ->where('del_time', 0)
            ->whereIn('main_id', $mainIds)
            ->get();

        // 2. 提取所有关联 ID
        $empIds = $details->pluck('employee_id')->unique();
        $itemIds = array_unique(array_column($mainData, 'item_id')); // 从主表数组提取项目ID

        // 3. 批量获取档案 Map
        $empMap = DB::table('employee')
            ->whereIn('id', $empIds)
            ->get(['id', 'title', 'number'])
            ->keyBy('id');

        $itemMap = DB::table('item')
            ->whereIn('id', $itemIds)
            ->get(['id', 'title', 'code'])
            ->keyBy('id');

        // 4. 将主表的项目信息预先挂载到主表 ID 下，方便后续合并
        $mainItemInfo = [];
        foreach ($mainData as $m) {
            $proj = $itemMap[$m['item_id']] ?? null;
            $mainItemInfo[$m['id']] = [
                'item_code'  => $proj ? $proj->code : '',
                'item_title' => $proj ? $proj->title : '',
            ];
        }

        $res = [];
        if ($details->isEmpty()) {
            // 如果没有详情，把项目信息返回去，确保主表能导出行
            foreach ($mainItemInfo as $mId => $info) {
                $res[$mId] = [];
            }
            return $res;
        }

        foreach ($details as $item) {
            $emp = $empMap[$item->employee_id] ?? null;

            // 组装明细行数据
            $detailRow = [
                // 人员信息
                'employee_number' => $emp ? $emp->number : '',
                'employee_title'  => $emp ? $emp->title : '',
                // 时间信息
                'start_time'      => sprintf('%02d:%02d', $item->start_time_hour, $item->start_time_min),
                'end_time'        => sprintf('%02d:%02d', $item->end_time_hour, $item->end_time_min),
                // 将主表的项目信息也塞进每一行详情里实现平铺
                'item_code'       => $mainItemInfo[$item->main_id]['item_code'] ?? '',
                'item_title'      => $mainItemInfo[$item->main_id]['item_title'] ?? '',
            ];

            $res[$item->main_id][] = $detailRow;
        }

        return $res;
    }

    public function dailyPwOrderCreate($data, $user)
    {
        $topDepartId = $user['top_depart_id'];
        if (empty($data['month'])) return [false, '月份不能为空'];

        $monthStart = $this->changeDateToDate($data['month']);

        // --- 一开始就做的核心校验 ---

        // 1. 检查是否存在月度工时明细（如果没有，队列执行也是徒劳）
        $hasMonthlyOrder = DB::table('monthly_pw_order_details as d')
            ->join('monthly_pw_order as m', 'm.id', '=', 'd.main_id')
            ->where('m.month', $monthStart)
            ->where('m.top_depart_id', $topDepartId)
            ->where('m.del_time', 0)
            ->where('d.del_time', 0)
            ->exists();

        if (!$hasMonthlyOrder) return [false, '未找到该月份的月度工时明细，请先生成人员月度工时单'];

        // 2. 检查是否配置了工作日历
        $hasCalendar = DB::table('calendar_details')
            ->where('month', $monthStart)
            ->where('del_time', 0)
            ->exists();

        if (!$hasCalendar) return [false, '该月份工作日历未配置'];

        // 3. 检查是否配置了项目比例规则
        $hasRules = DB::table('rule_set as r')
            ->where('r.month', $monthStart)
            ->where('r.top_depart_id', $topDepartId)
            ->where('r.del_time', 0)
            ->exists();

        if (!$hasRules) return [false, '未找到该月份的规则配置单'];

        $data['type'] = "p_work";
        ProcessDataJob::dispatch($data, $user)->onQueue(DailyPwOrder::job);

        return [true, '生成任务已提交，系统正在后台处理，请稍后查看'];
    }

    public function dailyPwOrderCreateMain($data, $user)
    {
        $topDepartId = $user['top_depart_id'];
        if (empty($data['month'])) return [false, '月份不能为空'];

        $monthStart = $this->changeDateToDate($data['month']);
        $monthEnd = strtotime('+1 month', $monthStart) - 1;
        $now = time();

        DB::beginTransaction();
        try {
            // --- 0. 清理旧数据 ---
            $oldOrderIds = DB::table('daily_pw_order')
                ->where('top_depart_id', $topDepartId)
                ->where('order_time', '>=', $monthStart)
                ->where('order_time', '<=', $monthEnd)
                ->where('is_create', 1)
                ->where('del_time', 0)
                ->pluck('id');

            if ($oldOrderIds->isNotEmpty()) {
                DB::table('daily_pw_order')->whereIn('id', $oldOrderIds)->update(['del_time' => $now]);
                DB::table('daily_pw_order_details')->whereIn('main_id', $oldOrderIds)->update(['del_time' => $now]);
            }

            // --- 1. 基础数据加载 ---
            $monthlyOrder = DB::table('monthly_pw_order_details as d')
                ->join('monthly_pw_order as m', 'm.id', '=', 'd.main_id')
                ->where('m.month', $monthStart)->where('m.top_depart_id', $topDepartId)
                ->where('m.del_time', 0)->where('d.del_time', 0)
                ->select('d.*')->get();

            if ($monthlyOrder->isEmpty()) return [false, '未找到月度工时明细'];

            $empIds = $monthlyOrder->pluck('employee_id')->unique()->toArray();
            $empWorkRanges = DB::table('employee_work_range')->whereIn('employee_id', $empIds)->where('top_depart_id', $topDepartId)->get()->groupBy('employee_id');
            $standardWorkRanges = DB::table('work_range_details')->where('top_depart_id', $topDepartId)->where('del_time', 0)->get();

            $ruleSet = DB::table('rule_set_details as rd')->join('rule_set as r', 'r.id', '=', 'rd.main_id')
                ->where('r.month', $monthStart)->where('rd.type', RuleSetDetails::type_one)
                ->where('r.del_time', 0)->where('rd.del_time', 0)
                ->select('rd.*')->get()->groupBy('data_id');

            $allDays = DB::table('calendar_details')->where('month', $monthStart)->where('del_time', 0)->orderBy('time', 'asc')->get();
            $leaveOverData = DB::table('p_leave_over_order_details as d')->join('p_leave_over_order as m', 'd.main_id', '=', 'm.id')
                ->whereBetween('m.order_time', [$monthStart, $monthEnd])->where('m.del_time', 0)
                ->select('d.*', 'm.order_time', 'm.type as main_type')->get()->groupBy(['employee_id', 'order_time']);

            // --- 2. 核心分配逻辑：计算每天、每个项目、每个人的分钟数 ---
            $finalAlloc = [];
            foreach ($monthlyOrder as $mDetail) {
                $empId = $mDetail->employee_id;
                $empRules = $ruleSet->get($empId);
                if (!$empRules) continue;

                $empRemainingMin = (float)$mDetail->rd_total_hours * 60;
                if ($empRemainingMin <= 0) continue;

                foreach ($allDays as $dayInfo) {
                    if ($empRemainingMin <= 0) break;
                    $dayTs = $dayInfo->time;
                    $isWorkDay = ($dayInfo->is_work == CalendarDetails::TYPE_ONE);
                    $todaySpecials = data_get($leaveOverData, "$empId.$dayTs", collect());
                    $todayOvertimes = $todaySpecials->where('main_type', 2);

                    if (!$isWorkDay && $todayOvertimes->isEmpty()) continue;

                    // 计算当天可用总时长
                    $dayAvailableMin = 0;
                    if ($isWorkDay) {
                        $baseRanges = $empWorkRanges->has($empId) ? $empWorkRanges->get($empId) : $standardWorkRanges;
                        foreach ($baseRanges as $br) {
                            $brS = $br->start_time_hour * 60 + $br->start_time_min;
                            $brE = $br->end_time_hour * 60 + $br->end_time_min;
                            $avail = (float)$br->total_work_min;
                            foreach ($todaySpecials->where('main_type', 1) as $lv) {
                                $overlap = min($brE, ($lv->end_time_hour * 60 + $lv->end_time_min)) - max($brS, ($lv->start_time_hour * 60 + $lv->start_time_min));
                                if ($overlap > 0) $avail -= $overlap;
                            }
                            $dayAvailableMin += max(0, $avail);
                        }
                    }
                    foreach ($todayOvertimes as $ot) $dayAvailableMin += (float)$ot->total_min;

                    $canAllocToday = min($empRemainingMin, $dayAvailableMin);
                    if ($canAllocToday <= 0) continue;

                    foreach ($empRules as $rule) {
                        $rate = (float)$rule->rate / 100;
                        $projectMin = $canAllocToday * $rate;
                        if ($projectMin > 0) {
                            // 结果存入：[日期][项目][人员]
                            $finalAlloc[$dayTs][$rule->item_id][$empId] = $projectMin;
                        }
                    }
                    $empRemainingMin -= $canAllocToday;
                }
            }

            // --- 3. 生成单据：解决时间重叠的核心逻辑 ---
            $newOrderIds = [];
            // 为了解决重叠，我们需要按 [日期][人员] 来追踪时间池的消耗进度
            $dailyEmpTimePools = [];

            foreach ($finalAlloc as $dayTs => $projects) {
                foreach ($projects as $itemId => $employees) {
                    $mainId = DB::table('daily_pw_order')->insertGetId([
                        'code' => '', 'item_id' => $itemId, 'order_time' => $dayTs, 'top_depart_id' => $topDepartId,
                        'is_create' => 1, 'crt_id' => $user['id'], 'crt_time' => $now, 'upd_time' => $now,
                    ]);
                    $newOrderIds[] = ['id' => $mainId, 'time' => $dayTs];

                    foreach ($employees as $empId => $toAllocMin) {
                        // 如果该员工当天的池子还没构建，先构建一次
                        if (!isset($dailyEmpTimePools[$dayTs][$empId])) {
                            $dailyEmpTimePools[$dayTs][$empId] = $this->buildAvailablePool($empId, $dayTs, $allDays, $empWorkRanges, $standardWorkRanges, $leaveOverData);
                        }

                        $tempRem = $toAllocMin;
                        // 指向该员工当天的可用池引用，这样处理完项目A，池子里的时间会自动被“消耗”
                        foreach ($dailyEmpTimePools[$dayTs][$empId] as &$p) {
                            if ($tempRem <= 0) break;

                            $pMax = $p['e'] - $p['s'];
                            if ($pMax <= 0) continue;

                            $take = min($tempRem, $pMax);
                            $realStart = $p['s'];
                            $realEnd = $p['s'] + $take;

                            DB::table('daily_pw_order_details')->insert([
                                'main_id' => $mainId, 'employee_id' => $empId, 'top_depart_id' => $topDepartId,
                                'start_time_hour' => floor($realStart / 60), 'start_time_min' => $realStart % 60,
                                'end_time_hour' => floor($realEnd / 60), 'end_time_min' => $realEnd % 60,
                                'total_work_min' => $take, 'crt_time' => $now, 'upd_time' => $now,
                            ]);

                            $tempRem -= $take;
                            // 重要：消耗掉这个时段的起始位置，确保下一个项目从这里开始
                            $p['s'] = $realEnd;
                        }
                    }
                }
            }

            // --- 4. 回填单号 ---
            if (empty($newOrderIds)) return [false, '未生成数据'];
            foreach ($newOrderIds as $item) {
                $code = $this->generateBillNo(['top_depart_id' => $topDepartId, 'type' => DailyPwOrder::Order_type, 'period' => date("Ym", $item['time'])]);
                DB::table('daily_pw_order')->where('id', $item['id'])->update(['code' => $code]);
            }
            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            return [false, '错误: ' . $e->getMessage() . ' 行: ' . $e->getLine()];
        }
        return [true, ''];
    }

    /**
     * 辅助函数：构建某人某天的初始可用时段池
     */
    private function buildAvailablePool($empId, $dayTs, $allDays, $empWorkRanges, $standardWorkRanges, $leaveOverData)
    {
        $dayInfo = $allDays->where('time', $dayTs)->first();
        $todaySpecials = data_get($leaveOverData, "$empId.$dayTs", collect());
        $pool = [];

        if ($dayInfo && $dayInfo->is_work == CalendarDetails::TYPE_ONE) {
            $baseRanges = $empWorkRanges->has($empId) ? $empWorkRanges->get($empId) : $standardWorkRanges;
            foreach ($baseRanges as $br) {
                $currentS = $br->start_time_hour * 60 + $br->start_time_min;
                $eMin = $br->end_time_hour * 60 + $br->end_time_min;
                $sortedLeaves = $todaySpecials->where('main_type', 1)->sortBy('start_time_hour');

                foreach ($sortedLeaves as $lv) {
                    $lvS = $lv->start_time_hour * 60 + $lv->start_time_min;
                    $lvE = $lv->end_time_hour * 60 + $lv->end_time_min;
                    if ($lvS < $eMin && $lvE > $currentS) {
                        if ($lvS > $currentS) $pool[] = ['s' => $currentS, 'e' => $lvS];
                        $currentS = max($currentS, $lvE);
                    }
                }
                if ($currentS < $eMin) $pool[] = ['s' => $currentS, 'e' => $eMin];
            }
        }
        foreach ($todaySpecials->where('main_type', 2) as $ot) {
            $otS = $ot->start_time_hour * 60 + $ot->start_time_min;
            $pool[] = ['s' => $otS, 'e' => $otS + (float)$ot->total_min];
        }
        return $pool;
    }


    public function dailyPwOrderPreview($data, $user)
    {
        $topDepartId = $user['top_depart_id'];
        if (empty($data['month'])) return [false, '月份不能为空'];

        // 1. 前置校验 (保留你之前的校验逻辑)
        $monthStart = $this->changeDateToDate($data['month']);

        // 1. 检查是否存在月度工时明细
        $hasMonthlyOrder = DB::table('monthly_pw_order_details as d')
            ->join('monthly_pw_order as m', 'm.id', '=', 'd.main_id')
            ->where('m.month', $monthStart)
            ->where('m.top_depart_id', $topDepartId)
            ->where('m.del_time', 0)
            ->where('d.del_time', 0)
            ->exists();

        if (!$hasMonthlyOrder) return [false, '未找到该月份的月度工时明细，请先生成人员月度工时单'];

        // 2. 检查是否配置了工作日历
        $hasCalendar = DB::table('calendar_details')
            ->where('month', $monthStart)
            ->where('del_time', 0)
            ->exists();

        if (!$hasCalendar) return [false, '该月份工作日历未配置'];

        // 3. 检查是否配置了项目比例规则
        $hasRules = DB::table('rule_set as r')
            ->where('r.month', $monthStart)
            ->where('r.top_depart_id', $topDepartId)
            ->where('r.del_time', 0)
            ->exists();

        if (!$hasRules) return [false, '未找到该月份的规则配置单'];

        // 2. 调用核心计算逻辑 (抽取出的私有方法)
        $result = $this->calculateDailyAllocation($monthStart, $topDepartId, $user);

        if (!$result['status']) return [false, $result['msg']];

        // 3. 将结果存入临时表或直接返回
        // 建议增加一个 batch_id，防止多人操作冲突
        $batchId = uniqid('batch_');
        $previewData = $result['data'];

        return [true, [
            'batch_id' => $batchId,
            'list' => $previewData // 返回给前端展示
        ]];
    }

    /**
     * 核心分配逻辑：计算预览数据（确保全整数分钟）
     * @param int $monthStart 月初时间戳
     * @param int $topDepartId 顶级部门ID
     * @param array $user 用户信息
     * @return array
     */
    private function calculateDailyAllocation($monthStart, $topDepartId, $user)
    {
        $monthEnd = strtotime('+1 month', $monthStart) - 1;
        $now = time();

        // --- 1. 基础数据加载 ---

        // 加载月度工时明细，并关联人员姓名
        $monthlyOrder = DB::table('monthly_pw_order_details as d')
            ->join('monthly_pw_order as m', 'm.id', '=', 'd.main_id')
            ->leftJoin('employee as e', 'e.id', '=', 'd.employee_id') // 关联人员表
            ->where('m.month', $monthStart)
            ->where('m.top_depart_id', $topDepartId)
            ->where('m.del_time', 0)
            ->where('d.del_time', 0)
            ->select('d.*', 'e.title as employee_title') // 获取人员姓名
            ->get();

        if ($monthlyOrder->isEmpty()) return ['status' => false, 'msg' => '未找到该月份的月度工时明细'];

        // 建立人员 ID -> 姓名的映射，方便后续取用
        $empNameMap = $monthlyOrder->pluck('employee_title', 'employee_id')->toArray();
        $empIds = array_keys($empNameMap);

        // 加载项目信息，用于获取项目名称
        // 假设项目表名为 items，请根据你实际的表名修改
        $itemIds = DB::table('rule_set_details as rd')
            ->join('rule_set as r', 'r.id', '=', 'rd.main_id')
            ->where('r.month', $monthStart)
            ->where('r.top_depart_id', $topDepartId)
            ->pluck('rd.item_id')->unique()->toArray();

        $itemMap = DB::table('item')
        ->whereIn('id', $itemIds)
            ->pluck('title', 'id')
            ->toArray();

        // 加载分配规则
        $ruleSet = DB::table('rule_set_details as rd')
            ->join('rule_set as r', 'r.id', '=', 'rd.main_id')
            ->where('r.month', $monthStart)
            ->where('rd.type', 1)
            ->where('r.del_time', 0)
            ->where('rd.del_time', 0)
            ->select('rd.*')
            ->get()
            ->groupBy('data_id');

        // 加载员工/标准班次、日历、请假加班数据 (逻辑同前)
        $empWorkRanges = DB::table('employee_work_range')
            ->whereIn('employee_id', $empIds)
            ->where('top_depart_id', $topDepartId)
            ->get()->groupBy('employee_id');
        $standardWorkRanges = DB::table('work_range_details')->where('top_depart_id', $topDepartId)
            ->where('del_time', 0)->get();
        $allDays = DB::table('calendar_details')->where('top_depart_id', $topDepartId)
            ->where('month', $monthStart)
            ->where('del_time', 0)
            ->orderBy('time', 'asc')
            ->get();
        $leaveOverData = DB::table('p_leave_over_order_details as d')->join('p_leave_over_order as m', 'd.main_id', '=', 'm.id')
            ->whereBetween('m.order_time', [$monthStart, $monthEnd])
            ->where('d.top_depart_id', $topDepartId)
            ->where('m.del_time', 0)
            ->select('d.*', 'm.order_time', 'm.type as main_type')
            ->get()->groupBy(['employee_id', 'order_time']);

        // --- 2. 阶段一：计算每个人每天在每个项目上应分配的整数分钟数 ---
        $finalAlloc = [];
        foreach ($monthlyOrder as $mDetail) {
            $empId = $mDetail->employee_id;
            $empRules = $ruleSet->get($empId);
            if (!$empRules) continue;

            $empRemainingMin = (int)round((float)$mDetail->rd_total_hours * 60);
            if ($empRemainingMin <= 0) continue;

            foreach ($allDays as $dayInfo) {
                if ($empRemainingMin <= 0) break;
                $dayTs = $dayInfo->time;
                $tempPool = $this->buildAvailablePool($empId, $dayTs, $allDays, $empWorkRanges, $standardWorkRanges, $leaveOverData);
                $dayAvailableMin = 0;
                foreach ($tempPool as $p) { $dayAvailableMin += (int)($p['e'] - $p['s']); }
                if ($dayAvailableMin <= 0) continue;

                $canAllocToday = min($empRemainingMin, $dayAvailableMin);
                $allocatedInDay = 0;
                $ruleCount = count($empRules);

                foreach ($empRules as $index => $rule) {
                    $rate = (float)$rule->rate / 100;
                    if ($index === $ruleCount - 1) {
                        $projectMin = $canAllocToday - $allocatedInDay;
                    } else {
                        $projectMin = (int)round($canAllocToday * $rate);
                    }
                    if ($projectMin > 0) {
                        $finalAlloc[$dayTs][$rule->item_id][$empId] = $projectMin;
                        $allocatedInDay += $projectMin;
                    }
                }
                $empRemainingMin -= $canAllocToday;
            }
        }

        // --- 3. 阶段二：打散到具体时间点并生成预览行 ---
        $previewList = [];
        $dailyEmpTimePools = [];
        $tempMainIdCounter = 1;

        foreach ($finalAlloc as $dayTs => $projects) {
            foreach ($projects as $itemId => $employees) {
                $currentTempMainId = $tempMainIdCounter++;

                // 获取项目名称
                $itemTitle = $itemMap[$itemId] ?? '未知项目';

                foreach ($employees as $empId => $toAllocMin) {
                    if (!isset($dailyEmpTimePools[$dayTs][$empId])) {
                        $dailyEmpTimePools[$dayTs][$empId] = $this->buildAvailablePool($empId, $dayTs, $allDays, $empWorkRanges, $standardWorkRanges, $leaveOverData);
                    }

                    $tempRem = (int)$toAllocMin;
                    foreach ($dailyEmpTimePools[$dayTs][$empId] as &$p) {
                        if ($tempRem <= 0) break;
                        $pMax = (int)($p['e'] - $p['s']);
                        if ($pMax <= 0) continue;

                        $take = min($tempRem, $pMax);
                        $realStart = (int)$p['s'];
                        $realEnd = $realStart + $take;

                        // 写入带 Title 的结果
                        $previewList[] = [
                            'temp_main_id'    => $currentTempMainId,
                            'order_time'      => date('Y-m-d', $dayTs),
                            'order_timestamp' => $dayTs,
                            'item_id'         => $itemId,
                            'item_title'      => $itemTitle, // 项目名称
                            'employee_id'     => $empId,
                            'employee_title'  => $empNameMap[$empId] ?? '未知人员', // 人员姓名
                            'start_time'      => sprintf('%02d:%02d', floor($realStart / 60), $realStart % 60),
                            'end_time'        => sprintf('%02d:%02d', floor($realEnd / 60), $realEnd % 60),
                            'start_hour'      => (int)floor($realStart / 60),
                            'start_min'       => (int)($realStart % 60),
                            'end_hour'        => (int)floor($realEnd / 60),
                            'end_min'         => (int)($realEnd % 60),
                            'total_work_min'  => $take,
                        ];

                        $tempRem -= $take;
                        $p['s'] = $realEnd;
                    }
                }
            }
        }

        return ['status' => true, 'data' => $previewList];
    }

    public function dailyPwOrderSave($data, $user)
    {
        $list = $data['list'] ?? [];
        if (empty($list)) return [false, '没有可保存的数据'];

        $topDepartId = $user['top_depart_id'];
        $month = $data['month']; // 格式如: "2026-03"
        $now = time();

        // 1. 预加载员工名称映射 (使用 title 字段)
        $empIds = collect($list)->pluck('employee_id')->unique()->toArray();
        $empMap = DB::table('employee')->whereIn('id', $empIds)->pluck('title', 'id')->toArray();

        // --- 2. 重新分组并记录行号 ---
        $groupedByOrder = [];
        foreach ($list as $index => $item) {
            $item['_line'] = $index + 1; // 记录原始行号（从1开始）
            // 以日期字符串和项目ID作为分组 Key
            $groupKey = $item['order_time'] . '_' . $item['item_id'];
            $groupedByOrder[$groupKey][] = $item;
        }

        // 冲突校验器容器：记录 [员工ID][日期字符串] 下已占用的时间段
        $empTimeline = [];

        DB::beginTransaction();
        try {
            // A. 清理该月份旧数据
            $monthStart = $this->changeDateToDate($month);
            $monthEnd = strtotime('+1 month', $monthStart) - 1;

            $oldOrderIds = DB::table('daily_pw_order')
                ->where('top_depart_id', $topDepartId)
                ->whereBetween('order_time', [$monthStart, $monthEnd])
                ->where('del_time', 0)
                ->pluck('id');

            if ($oldOrderIds->isNotEmpty()) {
                DB::table('daily_pw_order')->whereIn('id', $oldOrderIds)->update(['del_time' => $now]);
                DB::table('daily_pw_order_details')->whereIn('main_id', $oldOrderIds)->update(['del_time' => $now]);
            }

            // B. 遍历重组后的分组写入
            foreach ($groupedByOrder as $details) {
                $first = $details[0];
                // 【修正】统一将前端日期字符串转为时间戳入库
                $orderTimestamp = strtotime($first['order_time']);
                $itemId = $first['item_id'];

                // 写入主表
                $mainId = DB::table('daily_pw_order')->insertGetId([
                    'code'          => '',
                    'item_id'       => $itemId,
                    'order_time'    => $orderTimestamp,
                    'top_depart_id' => $topDepartId,
                    'is_create'     => 1,
                    'crt_id'        => $user['id'],
                    'crt_time'      => $now,
                ]);

                $insertDetails = [];
                foreach ($details as $d) {
                    $rowNum = $d['_line'];
                    $empId = $d['employee_id'];
                    $empName = $empMap[$empId] ?? "人员(ID:{$empId})";

                    // --- 新增：月份一致性校验 ---
                    // 校验这行数据的日期是否属于当前保存的月份
                    if (date("Y-m", strtotime($d['order_time'])) !== $month) {
                        return [false, "第 {$rowNum} 行：人员[{$empName}]的日期[{$d['order_time']}]不属于保存月份[{$month}]"];
                    }

                    // 【修正】强制由后端计算分钟数
                    $s = (int)$d['start_hour'] * 60 + (int)$d['start_min'];
                    $e = (int)$d['end_hour'] * 60 + (int)$d['end_min'];
                    $calcTotalMin = $e - $s;

                    // 校验1：逻辑合法性
                    if ($calcTotalMin <= 0) {
                        return [false, "第 {$rowNum} 行：人员[{$empName}]在[{$d['order_time']}]的时间段无效：结束时间必须晚于开始时间"];
                    }

                    // 校验2：跨单据时间重叠校验
                    $dateStr = $d['order_time'];
                    if (isset($empTimeline[$empId][$dateStr])) {
                        foreach ($empTimeline[$empId][$dateStr] as $exist) {
                            if ($s < $exist['e'] && $e > $exist['s']) {
                                return [false, "第 {$rowNum} 行：人员[{$empName}]在[{$dateStr}]存在时间冲突({$d['start_time']}-{$d['end_time']})，请检查！"];
                            }
                        }
                    }
                    $empTimeline[$empId][$dateStr][] = ['s' => $s, 'e' => $e];

                    $insertDetails[] = [
                        'main_id'         => $mainId,
                        'employee_id'     => $empId,
                        'top_depart_id'   => $topDepartId,
                        'start_time_hour' => $d['start_hour'],
                        'start_time_min'  => $d['start_min'],
                        'end_time_hour'   => $d['end_hour'],
                        'end_time_min'    => $d['end_min'],
                        'total_work_min'  => $calcTotalMin,
                        'crt_time'        => $now,
                        'item_id'        => $itemId,
                        'order_time'    => $orderTimestamp,
                        'crt_id'        => $user['id'],
                    ];
                }

                // 批量写入明细
                DB::table('daily_pw_order_details')->insert($insertDetails);

                // C. 回填单号
                $code = $this->generateBillNo([
                    'top_depart_id' => $topDepartId,
                    'type' => DailyPwOrder::Order_type,
                    'period' => date("Ym", $orderTimestamp)
                ]);
                DB::table('daily_pw_order')->where('id', $mainId)->update(['code' => $code]);
            }

            DB::commit();
            return [true, '保存成功'];
        } catch (\Exception $e) {
            DB::rollBack();
            return [false, "保存失败：" . $e->getMessage()];
        }
    }
}