<?php

namespace App\Service;

use App\Model\Device;
use App\Model\Employee;
use App\Model\Item;
use App\Model\ItemDetails;
use App\Model\MonthlyPwOrder;
use App\Model\MonthlyPwOrderDetails;
use Illuminate\Support\Facades\DB;

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

        try {
            DB::beginTransaction();

            $model = Item::where('id',$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'],
                    'start_time' => $value['start_time'],
                    'end_time' => $value['end_time'],
                    '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', 'start_time', 'end_time')
            ->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');

        $unit = [];
        foreach ($data as $key => $value){
            $tmp = $map[$value['employee_id']] ?? [];
            $merge = [];
            $merge['employee_title'] = $tmp['title'];
            $merge['employee_number'] = $tmp['number'];
            $merge['start_time'] = date("Y-m-d", $value['start_time']);
            $merge['end_time'] = date("Y-m-d", $value['end_time']);
            $data[$key] = array_merge($value, $merge);
        }

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

        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,'项目不存在或已被删除'];
        $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['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'];
        foreach ($data['details'] as $key => $value){
            if(empty($value['employee_id'])) return [false, '人员不能为空'];
            $res = $this->checkNumber($data['total_days'],0,'non-negative');
            if(! $res['valid']) return [false,'出勤总天数：' . $res['error']];
            $res = $this->checkNumber($data['rd_total_days'],0,'non-negative');
            if(! $res['valid']) return [false,'研发出勤总天数：' . $res['error']];
            $res = $this->checkNumber($data['total_hours'],2,'non-negative');
            if(! $res['valid']) return [false,'出勤总工时：' . $res['error']];
            $res = $this->checkNumber($data['rd_total_hours'],2,'non-negative');
            if(! $res['valid']) return [false,'研发总工时：' . $res['error']];

            if(empty($value['start_time'])) return [false, '开始时间不能为空'];
            $data['details'][$key]['start_time'] = $this->changeDateToDate($data['start_time']);
            if(empty($value['end_time'])) return [false, '结束时间不能为空'];
            $data['details'][$key]['end_time'] = $this->changeDateToDate($data['end_time']);
            $data['details'][$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){
            $bool = MonthlyPwOrder::where('code',$data['code'])
                ->where('top_depart_id', $data['top_depart_id'])
                ->where('del_time',0)
                ->exists();
        }else{
            if(empty($data['id'])) return [false,'ID不能为空'];
            $bool = Item::where('code',$data['code'])
                ->where('top_depart_id', $data['top_depart_id'])
                ->where('id','<>',$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, $is_export = false){
        if(empty($data['data'])) return $data;

        $emp = (new EmployeeService())->getEmployeeMap(array_unique(array_column($data['data'],'crt_id')));
        $map = [];
        if($is_export) $map = $this->getDetailsMap(array_column($data['data'],'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']] ?? '';
            $tmp = $map[$value['id']] ?? [];
            $data['data'][$key]['details'] = $tmp['man'] ?? "";
        }

        return $data;
    }

    public function getDetailsMap($item_id){
        // 1. 获取明细数据，注意一定要选出 item_id
        $data = ItemDetails::where('del_time', 0)
            ->whereIn('item_id', $item_id)
            ->select('item_id', 'data_id', 'type')
            ->get();

        // 2. 收集 ID 并按类型分类（去重以减少查询压力）
        $manIds = $data->where('type', ItemDetails::type_one)->pluck('data_id')->unique()->toArray();
        $devIds = $data->where('type', ItemDetails::type_two)->pluck('data_id')->unique()->toArray();

        // 3. 一次性查出对应的映射 (假设人员表字段是 number, 设备表是 code)
        // 注意：pluck('显示内容', 'ID')
        $manMap = Employee::whereIn('id', $manIds)->pluck('number', 'id')->toArray();
        $devMap = Device::whereIn('id', $devIds)->pluck('code', 'id')->toArray();

        // 4. 按 item_id 分组处理成字符串
        $result = [];
        foreach ($item_id as $id) {
            // 初始化每个 item_id 的默认结构
            $result[$id] = [
                'man' => '',
                'device' => ''
            ];
        }

        // 5. 遍历明细填充数据
        $grouped = $data->groupBy('item_id');
        foreach ($grouped as $itemId => $items) {
            $mans = [];
            $devices = [];

            foreach ($items as $item) {
                if ($item->type == ItemDetails::type_one) {
                    if (isset($manMap[$item->data_id])) {
                        $mans[] = $manMap[$item->data_id];
                    }
                } else {
                    if (isset($devMap[$item->data_id])) {
                        $devices[] = $devMap[$item->data_id];
                    }
                }
            }

            $result[$itemId] = [
                'man' => implode(',', $mans),
                'device' => implode(',', $devices)
            ];
        }

        return $result;
    }
}