<?php

namespace App\Service;

use App\Model\CalendarDetails;
use App\Model\Device;
use App\Model\Employee;
use App\Model\ExpenseClaims;
use App\Model\ExpenseClaimsDetails;
use App\Model\Item;
use App\Model\ItemDetails;
use App\Model\RuleSet;
use App\Model\RuleSetDetails;
use Illuminate\Support\Facades\DB;

class ExpenseClaimsService extends Service
{
    public function expenseClaimsList($data,$user){
        $model = $this->expenseClaimsSetCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->fillData($list);

        return [true, $list];
    }

    private function expenseClaimsSetCommon($data,$user, $field = []){
        if(empty($field)) $field = ExpenseClaims::$field;
        $data['top_depart_id'] = $user['top_depart_id'];
        $model = ExpenseClaims::Clear($user,$data);
        $model = $model->where('del_time',0)
            ->select($field)
            ->orderby('month', 'desc');
        if(! empty($data['month'])) $model->where('month', $data['month']);
        if(! empty($data['code'])) $model->where('code', 'LIKE', '%'.$data['code'].'%');
        return $model;

    }
    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]['crt_name'] = $emp[$value['crt_id']] ?? '';
            $data['data'][$key]['month'] =  $value['month'] ? date('Y-m',$value['month']) : '';
        }
        return $data;
    }

    public function expenseClaimsAdd($data,$user){
        list($status,$msg) = $this->expenseClaimsRule($data, $user);
        if(!$status) return [$status,$msg];
        //费用报销结构
        try {
            DB::beginTransaction();
            $month = strtotime(date("Ymd", strtotime($data['month'])));
            $model = new ExpenseClaims();
            $model->code = $this->generateBillNo([
                'top_depart_id' => $user['top_depart_id'],
                'type' => ExpenseClaims::Order_type,
                'period' => $month
            ]);
            $model->month =  $month;
            $model->crt_id = $user['id'];
            $model->top_depart_id = $user['top_depart_id'];
            $model->save();
            $data['top_depart_id'] = $user['top_depart_id'];
            $this->saveDetail($model->id, time(), $data);

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

        return [true, ''];
    }
    private function saveDetail($id, $time, $data){
        if(! empty($data['details'])){
            $unit = [];
            foreach ($data['details'] as $value){
                $unit[] = [
                    'expense_claims_id' => $id,
                    'item_id' => $value['item_id'],
                    'employee_id' => $value['employee_id'],
                    'fee_id' => $value['fee_id'],
                    'amount' => $value['amount'],
                    'remark' => $value['remark'],
                    'claim_date' => $value['claim_date'],
                    'entrust_type' => $value['entrust_type'],
                    'expense_type' => $value['expense_type'],
                    'expense_attachments' => $value['expense_attachments'],
                    'top_depart_id' => $data['top_depart_id'],
                    'crt_time' => $time,
                ];
            }
            if(!empty($unit)) ExpenseClaimsDetails::insert($unit);
        }
    }

    private function expenseClaimsRule($data,$user){
        if(!isset($data['month'])) return [false,"月份必传"];
        $monthStr = $data['month']; // 假设是 "2026-03"
        $monthStart = strtotime($monthStr); // 2026-03-01 00:00:00
        // 获取该月最后一秒：下个月 1 号减去 1 秒
        $monthEnd = strtotime("$monthStr +1 month") - 1;
        foreach ($data['details'] as $index => $item) {
            if (!isset($item['claim_date'])) {
                return [false, "第" . ($index + 1) . "项报销日期缺失"];
            }
            // 将报销日期转换为时间戳
            $claimTime = strtotime($item['claim_date']);
            // 判断：claim_date 必须早于 month
            // 如果 claim_date 是 2026-02-28，而 month 是 2026-03-01，则校验通过
            if ($claimTime < $monthStart || $claimTime > $monthEnd) {
                return [false, "第" . ($index + 1) . "项报销日期必须早于当前结算月份（" . $data['month'] . "）"];
            }
        }
        return [true,""];
    }

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

        try {
            DB::beginTransaction();
            $month = strtotime(date("Ymd", strtotime($data['month'])));
            $model = ExpenseClaims::where('id',$data['id'])->first();
            $model->month =  $month;
            $model->crt_id = $user['id'];
            $model->save();

            $time = time();
            ExpenseClaimsDetails::where('del_time',0)
                ->where('expense_claims_id', $model->id)
                ->update(['del_time' => $time]);
            $data['top_depart_id'] = $user['top_depart_id'];
            $this->saveDetail($model->id, $time, $data);

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

        return [true, ''];
    }

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

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

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

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

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

        return [true, ''];
    }

    public function expenseClaimsDetail($data, $user){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];
        $customer = ExpenseClaims::where('del_time',0)
            ->where('id',$data['id'])
            ->first();
        if(empty($customer)) return [false,'单据不存在或已被删除'];
        $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']): '';

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

        return [true, $customer];
    }

    private function getDetail($id){
        $data = ExpenseClaimsDetails::where('del_time',0)
            ->where('expense_claims_id', $id)
            ->select('*')
            ->get()->toArray();
        return $data;
    }


}