<?php

namespace App\Service;

use App\Model\AuxiliaryAccount;
use App\Model\AuxiliaryAccountDetails;
use App\Model\CalendarDetails;
use App\Model\DailyPwOrderDetails;
use App\Model\Device;
use App\Model\Employee;
use App\Model\ExpenseClaims;
use App\Model\ExpenseClaimsDetails;
use App\Model\Fee;
use App\Model\Item;
use App\Model\ItemDetails;
use App\Model\MonthlyDdOrder;
use App\Model\MonthlyDdOrderDetails;
use App\Model\MonthlyPsOrder;
use App\Model\MonthlyPsOrderDetails;
use App\Model\MonthlyPwOrderDetails;
use App\Model\RuleSet;
use App\Model\RuleSetDetails;
use Illuminate\Support\Facades\DB;

class StatisticService extends Service
{
    public function employeeDayHourStatistic($data, $user)
    {
        //传参月份、项目编码、项目名称 不允许跨年查询月份
        //项目编码、项目名称、人员名称、工时、日期
        list($status, $month_start, $month_end) = $this->commonRule($data);
        if (!$status) return [false, $month_start];
        $month_employee = DailyPwOrderDetails::Clear($user, $data);
        $month_employee_list = $month_employee->where("order_time", ">=", $month_start)->where("order_time", "<", $month_end)
            ->where('del_time', 0)
            ->select(
                "item_id",
                "employee_id",
                // 将时间戳转为 Y-m-d 格式并起别名
                DB::raw("FROM_UNIXTIME(order_time, '%Y-%m-%d') as order_date"),
                // 聚合求和
                DB::raw("SUM(total_work_min) as total_work")
            )
            ->groupBy("order_date", "item_id", "employee_id")
            ->orderby("order_date", "asc");
        $month_employee_list = $this->limit($month_employee_list, ['*'], $data);
        $dataCollection = collect($month_employee_list['data']);
        $item_ids = $dataCollection->pluck('item_id')->unique()->values()->all();
        $employee_ids = $dataCollection->pluck('employee_id')->unique()->values()->all();

        $employee = Employee::Clear($user, $data);
        $employee_key_list = $employee->wherein('id', $employee_ids)->pluck("title", "id")->toArray();

        $item = Item::Clear($user, $data);
        $item_title_key_list = $item->wherein('id', $item_ids)->pluck("title", "id")->toArray();
        $item_code_key_list = $item->wherein('id', $item_ids)->pluck("code", "id")->toArray();
        $month_employee_list['data'] = collect($month_employee_list['data'])->transform(function ($item) use ($employee_key_list, $item_title_key_list, $item_code_key_list) {
            $item['employee_name'] = $employee_key_list[$item['employee_id']] ?? "未知员工({$item['employee_id']})";
            $item['item_title'] = $item_key_list[$item_title_key_list['item_id']] ?? "未知项目({$item['item_id']})";
            $item['item_code'] = $item_code_key_list[$item['item_id']] ?? "未知项目({$item['item_id']})";
            $item['total_work_hours'] = round($item['total_work'] / 60, 2);
            return $item;
        })->all();
        return [true, $month_employee_list];
    }

    public function employeeMonthSalaryStatistic($data, $user)
    {
        //项目编码、项目名称、天数、工资、日期
        list($status, $month_start, $month_end) = $this->commonRule($data);
        if (!$status) return [false, $month_start];
        //确认所有项目、人员、人员工时
        $month_employee = DailyPwOrderDetails::Clear($user, $data);
        $month_employee_list = $month_employee->where("order_time", ">=", $month_start)->where("order_time", "<", $month_end)
            ->where('del_time', 0)
            ->select(
                "item_id",
                "employee_id",
                // 将时间戳转为 Y-m-d 格式并起别名
                DB::raw("FROM_UNIXTIME(order_time, '%Y-%m') as order_month"),
                // 聚合求和
                DB::raw("SUM(total_work_min) as total_work")
            )
            ->groupBy("order_month", "item_id", "employee_id")->toArray();
        //查询所有人员工资
        $monthly_ps_order_ids = MonthlyPsOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck('id')->toArray();
        $monthly_ps_order_key_list = MonthlyPsOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck(DB::raw("FROM_UNIXTIME(month, '%Y-%m') as month"), 'id')->toArray();
        $month_employee_salary = MonthlyPsOrderDetails::wherein('main_id', $monthly_ps_order_ids)
            ->select("employee_id", "salary", "main_id")
            ->get()->toArray();
        //查询所有项目人员的工时比例
        //汇总每个人每个月工资
        $salary_map = [];
        foreach ($month_employee_salary as $val) {
            $month = $monthly_ps_order_key_list[$val['main_id']] ?? '';
            if ($month) {
                $salary_map[$val['employee_id'] . '_' . $month] = $val['salary'];
            }
        }
        // 2. 计算每个员工在每个月的全月总工时
        $employee_monthly_total_min = [];
        foreach ($month_employee_list as $row) {
            $key = $row['employee_id'] . '_' . $row['order_month'];
            if (!isset($employee_monthly_total_min[$key])) {
                $employee_monthly_total_min[$key] = 0;
            }
            $employee_monthly_total_min[$key] += $row['total_work'];
        }

        // 3. 计算分摊天数与工资
        $item_month_list = [];
        foreach ($month_employee_list as $item) {
            $key = $item['employee_id'] . '_' . $item['order_month'];
            $item_key = $item['order_month'] . '_' . $item['item_id'];
            if(!isset($item_month_list[$item_key])){
                $item_month_list[$item_key] = [
                    "month" => $item['order_month'],
                    "allocated_salary" => 0,
                    "work_minutes" => 0,
                ];
            }
            $total_salary = $salary_map[$key] ?? 0;
            $total_min = $employee_monthly_total_min[$key] ?? 0;


            // B. 计算工资分摊：(项目工时 / 月总工时) * 月工资
            if ($total_min > 0) {
                $ratio = $item['total_work'] / $total_min;
                $allocated_salary = round($ratio * $total_salary, 2);
            } else {
                $allocated_salary = 0;
            }
            $item_month_list[$item_key]['allocated_salary'] += $allocated_salary;
            $item_month_list[$item_key]['work_minutes'] += $total_min;
        }

        foreach ($item_month_list as $k=>$v){
            $item_month_list[$k]['days'] =  round($v['work_minutes']/8/60);
            unset($item_month_list[$k]['work_minutes']);
        }
        $item_month_list = collect($item_month_list)->sortBy('month')->values()->all();
        $items = collect($item_month_list)->pluck('item_id')->unique()->values()->all();
        $item = Item::Clear($user, $data);
        $item_title_key_list = $item->wherein('id', $items)->pluck("title", "id")->toArray();
        $item_code_key_list = $item->wherein('id', $items)->pluck("code", "id")->toArray();
        $item_month_list = collect($item_month_list)->transform(function ($item) use ($item_title_key_list, $item_code_key_list) {
            $item['item_title'] = $item_key_list[$item_title_key_list['item_id']] ?? "未知项目({$item['item_id']})";
            $item['item_code'] = $item_code_key_list[$item['item_id']] ?? "未知项目({$item['item_id']})";
            return $item;
        })->all();
        return [true,$item_month_list];
    }
    public function itemDaySalaryStatistic($data, $user)
    {
        //项目编码、项目名称、人员名称、研发工时、研发工资、当月总工时、总计工资、年月
        list($status, $month_start, $month_end) = $this->commonRule($data);
        if (!$status) return [false, $month_start];
        //确认所有项目、人员、人员工时
        $month_employee = DailyPwOrderDetails::Clear($user, $data);
        $month_employee_list = $month_employee->where("order_time", ">=", $month_start)->where("order_time", "<", $month_end)
            ->where('del_time', 0)
            ->select(
                "item_id",
                "employee_id",
                // 将时间戳转为 Y-m-d 格式并起别名
                DB::raw("FROM_UNIXTIME(order_time, '%Y-%m') as order_month"),
                // 聚合求和
                DB::raw("SUM(total_work_min) as total_work")
            )
            ->groupBy("order_month", "item_id", "employee_id")->toArray();
        //查询所有人员工资
        $monthly_ps_order_ids = MonthlyPsOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck('id')->toArray();
        $monthly_ps_order_key_list = MonthlyPsOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck(DB::raw("FROM_UNIXTIME(month, '%Y-%m') as month"), 'id')->toArray();
        $month_employee_salary = MonthlyPsOrderDetails::wherein('main_id', $monthly_ps_order_ids)
            ->select("employee_id", "salary", "main_id")
            ->get()->toArray();
        //查询所有项目人员的工时比例
        //汇总每个人每个月工资
        $salary_map = [];
        foreach ($month_employee_salary as $val) {
            $month = $monthly_ps_order_key_list[$val['main_id']] ?? '';
            if ($month) {
                $salary_map[$val['employee_id'] . '_' . $month] = $val['salary'];
            }
        }
        // 2. 计算每个员工在每个月的全月总工时
        $employee_monthly_total_min = [];
        foreach ($month_employee_list as $row) {
            $key = $row['employee_id'] . '_' . $row['order_month'];
            if (!isset($employee_monthly_total_min[$key])) {
                $employee_monthly_total_min[$key] = 0;
            }
            $employee_monthly_total_min[$key] += $row['total_work'];
        }

        // 3. 计算分摊天数与工资
        $item_month_list = [];
        foreach ($month_employee_list as $item) {
            $key = $item['employee_id'] . '_' . $item['order_month'];
            $employee_key = $item['order_month'] . '_' . $item['item_id'] . '_' . $item['employee_id'];
            $total_salary = $salary_map[$key] ?? 0;
            $total_min = $employee_monthly_total_min[$key] ?? 0;
            if(!isset($item_month_list[$employee_key])){
                $item_month_list[$employee_key] = [
                    "month" => $item['order_month'],
                    "allocated_salary" => 0,
                    "work_minutes" => 0,
                    "total_min" => $total_min,
                    "total_salary" => $total_salary,
                ];
            }


            // B. 计算工资分摊：(项目工时 / 月总工时) * 月工资
            if ($total_min > 0) {
                $ratio = $item['total_work'] / $total_min;
                $allocated_salary = round($ratio * $total_salary, 2);
            } else {
                $allocated_salary = 0;
            }
            $item_month_list[$employee_key]['allocated_salary'] += $allocated_salary;
            $item_month_list[$employee_key]['work_minutes'] += $total_min;
        }

        foreach ($item_month_list as $k=>$v){
            $item_month_list[$k]['days'] =  round($v['work_minutes']/8/60);
            unset($item_month_list[$k]['work_minutes']);
        }
        $item_month_list = collect($item_month_list)->sortBy('month')->values()->all();
        $items = collect($item_month_list)->pluck('item_id')->unique()->values()->all();
        $item = Item::Clear($user, $data);
        $item_title_key_list = $item->wherein('id', $items)->pluck("title", "id")->toArray();
        $item_code_key_list = $item->wherein('id', $items)->pluck("code", "id")->toArray();

        $employee_ids =  collect($item_month_list)->pluck('employee_id')->unique()->values()->all();

        $employee = Employee::Clear($user, $data);
        $employee_key_list = $employee->wherein('id', $employee_ids)->pluck("title", "id")->toArray();

        $item_month_list = collect($item_month_list)->transform(function ($item) use ($item_title_key_list, $item_code_key_list,$employee_key_list) {
            $item['item_title'] = $item_key_list[$item_title_key_list['item_id']] ?? "未知项目({$item['item_id']})";
            $item['item_code'] = $item_code_key_list[$item['item_id']] ?? "未知项目({$item['item_id']})";
            $item['employee_title'] = $employee_key_list[$item['employee_id']] ?? "未知人员({$item['employee_id']})";
            return $item;
        })->all();
        return [true,$item_month_list];
    }
    public function itemDeviceMonthStatistic($data, $user)
    {
        //项目编码、项目名称、设备名称、项目工时、研发工时占比、设备原值、设备折旧额、本项目帐面归集的折旧额、确定的本项目折旧额、加计调整金额、当月工时、日期
        list($status, $month_start, $month_end) = $this->commonRule($data);
        if (!$status) return [false, $month_start];
        //确认所有项目、设备、设备工时
        $month_device = DailyPwOrderDetails::Clear($user, $data);
        $month_device_list = $month_device->where("order_time", ">=", $month_start)->where("order_time", "<", $month_end)
            ->where('del_time', 0)
            ->select(
                "item_id",
                "device_id",
                // 将时间戳转为 Y-m-d 格式并起别名
                DB::raw("FROM_UNIXTIME(order_time, '%Y-%m') as order_month"),
                // 聚合求和
                DB::raw("SUM(total_work_min) as total_work")
            )
            ->groupBy("order_month", "item_id", "device_id")->toArray();
        //查询所有人员工资
        $monthly_dd_order_ids = MonthlyDdOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck('id')->toArray();
        $monthly_dd_order_key_list = MonthlyDdOrder::Clear($user, $data)->where('del_time', 0)->where("month", ">=", $month_start)->where("month", "<", $month_end)
            ->pluck(DB::raw("FROM_UNIXTIME(month, '%Y-%m') as month"), 'id')->toArray();
        $month_device_salary = MonthlyDdOrderDetails::wherein('main_id', $monthly_dd_order_ids)
            ->select("device_id", "depreciation_amount", "main_id")
            ->get()->toArray();
        //查询所有项目人员的工时比例
        //汇总每个人每个月工资
        $depreciatio_map = [];
        foreach ($month_device_salary as $val) {
            $month = $monthly_dd_order_key_list[$val['main_id']] ?? '';
            if ($month) {
                $depreciatio_map[$val['device_id'] . '_' . $month] = $val['salary'];
            }
        }
        // 2. 计算每个员工在每个月的全月总工时
        $device_monthly_total_min = [];
        foreach ($month_device_list as $row) {
            $key = $row['device_id'] . '_' . $row['order_month'];
            if (!isset($device_monthly_total_min[$key])) {
                $device_monthly_total_min[$key] = 0;
            }
            $device_monthly_total_min[$key] += $row['total_work'];
        }

        // 3. 计算分摊天数与工资
        $item_month_list = [];
        foreach ($month_device_list as $item) {
            $key = $item['device_id'] . '_' . $item['order_month'];
            $device_key = $item['order_month'] . '_' . $item['item_id'] . '_' . $item['device_id'];
            $total_depreciatio = $depreciatio_map[$key] ?? 0;
            $total_min = $device_monthly_total_min[$key] ?? 0;
            if(!isset($item_month_list[$device_key])){
                $item_month_list[$device_key] = [
                    "month" => $item['order_month'],
                    "allocated_depreciatio" => 0,
                    "work_minutes" => 0,
                    "total_min" => $total_min,
                    "total_depreciatio" => $total_depreciatio,
                ];
            }


            // B. 计算工资分摊：(项目工时 / 月总工时) * 月工资
            if ($total_min > 0) {
                $ratio = round($item['total_work'] / $total_min,3);
                $allocated_salary = round($ratio * $total_depreciatio, 2);
            } else {
                $ratio = 0;
                $allocated_salary = 0;
            }
            $item_month_list[$device_key]['allocated_depreciatio'] += $allocated_salary;
            $item_month_list[$device_key]['work_minutes'] += $total_min;
            $item_month_list[$device_key]['ratio'] = $ratio;
        }

        foreach ($item_month_list as $k=>$v){
            $item_month_list[$k]['total_hours'] =  round($v['total_min']/60,1);
            $item_month_list[$k]['hours'] =  round($v['work_minutes']/60,1);
            unset($item_month_list[$k]['work_minutes']);
        }
        $item_month_list = collect($item_month_list)->sortBy('month')->values()->all();
        $items = collect($item_month_list)->pluck('item_id')->unique()->values()->all();
        $item = Item::Clear($user, $data);
        $item_title_key_list = $item->wherein('id', $items)->pluck("title", "id")->toArray();
        $item_code_key_list = $item->wherein('id', $items)->pluck("code", "id")->toArray();

        $device_ids =  collect($item_month_list)->pluck('device_id')->unique()->values()->all();

        $device = Device::Clear($user, $data);
        $device_key_list = $device->wherein('id', $device_ids)->pluck("title", "id")->toArray();
        $device_original_value_key_list = $device->wherein('id', $device_ids)->pluck("original_value", "id")->toArray();

        $item_month_list = collect($item_month_list)->transform(function ($item) use ($item_title_key_list, $item_code_key_list,$device_key_list,$device_original_value_key_list) {
            $item['item_title'] = $item_key_list[$item_title_key_list['item_id']] ?? "未知项目({$item['item_id']})";
            $item['item_code'] = $item_code_key_list[$item['item_id']] ?? "未知项目({$item['item_id']})";
            $item['device_title'] = $device_key_list[$item['device_id']] ?? "未知人员({$item['device_id']})";
            $item['device_original'] = $device_original_value_key_list[$item['device_id']] ?? "未知人员({$item['device_id']})";
            return $item;
        })->all();
        return [true,$item_month_list];
    }

    private function commonRule($data)
    {
        if (!isset($data['month_start'])) $month_start = date('Y-01-01');
        else $month_start = date('Y-m-01', strtotime($data['month_start']));
        if (!isset($data['month_end'])) $month_end = date('Y-01-01', strtotime('+1 year'));
        else {
            $start_year = date('Y', strtotime($month_start));
            $end_year = date('Y', strtotime($data['month_end']));
            if ($start_year != $end_year) return [false, "查询不得跨年!", ""];
            $month_end = date('Y-m-01', strtotime($data['month_end'] . ' +1 month'));
        }
        return [true, $month_start, $month_end];
    }

}