<?php

namespace App\Service;

use App\Model\SalesOrder;
use Illuminate\Support\Facades\DB;

class CheckService extends Service
{
    //审批操作对应的数值
    const one = 1; //收货
    const two = 2; //发货
    const three = 3; //采购
    const four = 4; //销售订单
    const five = 5; //施工单

    //中文对照
    public $map = [
        self::one => '收货单',
        self::two => '发货单',
        self::three => '采购单',
        self::four => '销售订单',
        self::five => '施工单',
    ];

    const TYPE_ONE = 1;//通过
    const TYPE_TWO = 2;//不通过

    public static $opt_case = [
        self::four => 'confirmSalesOrder'
    ];

    public static $record = [

    ];

    public function confirmSalesOrder($data){
        $model = SalesOrder::where('id',$data['id'])->where('del_time',0)->first();

        if($data['type'] == self::TYPE_ONE){
            if($model->state == SalesOrder::State_one) return [false,'已锁定,操作失败！'];
            $model->state = SalesOrder::State_one;
        }else{
            if($model->state == SalesOrder::State_zero) return [false,'未锁定,操作失败！'];
            $model->state = SalesOrder::State_zero;
        }
        $model->save();

        return [true,$model];
    }

    public function checkAll($data,$user){
        if(empty($data['id']) || empty($data['opt_case']) || empty($data['type'])) return [false,'必传参数不能为空或者参数值错误！'];

        //具体方法
        $function = self::$opt_case[$data['opt_case']];

        try{
            DB::beginTransaction();

            //更新单据的状态 从待审变成已审核
            list($bool,$msg) = $this->$function($data);

            if(! $bool){
                DB::rollBack();
                return [false, $msg];
            }

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

    }

    public function createRecordAndInventory($data = []){
        if(empty($data['order_number']) || empty($data['type']) || empty($data['opt_case']) || ! isset(self::$opt_case[$data['opt_case']])) return [false,300];

        //具体方法
        $function = self::$opt_case[$data['opt_case']];

        try{
            DB::beginTransaction();

            //更新单据的状态
            $bool = $this->$function($data);

            if($bool && $data['type'] == self::TYPE_ONE && isset(self::$record[$data['opt_case']])){
                //审批通过 创建流水
                $function_record = self::$record[$data['opt_case']];

                $boolean = $this->$function_record($data);

                if(! $boolean) { //创建流水失败 数据库回滚
                    DB::rollBack();
                    return [false, 300];
                }

                //更新库存
                $inventory = new InventoryService();
                $boole = $inventory->changeInventory($data);
                if(! $boole){
                    DB::rollBack();
                    return [false, 300];
                }
            }

            DB::commit();
            return [true, 200];
        }catch (\Throwable $exception){
            DB::rollBack();
            return [false, 201];
        }
    }
}