<?php

namespace App\Service;

use App\Model\Construction;
use App\Model\ConstructionProductInfo;
use App\Model\InOutRecord;
use App\Model\InvoiceOrder;
use App\Model\InvoiceOrderInfo;
use App\Model\ProductInventory;
use App\Model\PurchaseOrder;
use App\Model\PurchaseOrderInfo;
use App\Model\SalesOrder;
use App\Model\Setting;
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; //采购单
    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',//确认后出库
        self::three => '采购单',//确认后入库
        self::four => '销售订单',
        self::five => '施工单',//确认后出库
    ];

    //入库操作
    public static $in_opt = [
        self::three,
    ];

    //出库操作
    public static $out_opt = [
        self::two,
        self::five,
    ];

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

    //单据操作
    public static $opt_case = [
        self::two => 'confirmInvoiceOrder',
        self::three => 'confirmPurchaseOrder',
        self::four => 'confirmSalesOrder',
        self::five => 'confirmConstruction',
    ];

    //单据库存流水
    public static $record = [
        self::two => 'recordInvoiceOrder',
        self::three => 'recordPurchaseOrder',
        self::five => 'recordConstruction',
    ];

    public function confirmInvoiceOrder($data){
        $model = InvoiceOrder::where('id',$data['id'])
            ->where('del_time',0)
            ->first();
        if(empty($model)) return [false, '发货单不存在或已被删除'];
        if($model->state != InvoiceOrder::STATE_ZERO) return [false, '请确认发货单状态，操作失败'];

        InvoiceOrder::where('del_time',0)->where('id',$data['id'])
            ->update(['state' => InvoiceOrder::STATE_ONE]);

        return [true, $model->toArray()];
    }

    public function recordInvoiceOrder($data, $order){
        $result = InvoiceOrderInfo::where('del_time',0)
            ->where('order_number',$order['order_number'])
            ->get()->toArray();
        if(empty($result)) return [false,'发货单产品信息不存在或已被删除'];
        $insert = [];
        $time = time();
        foreach ($result as $value){
            if(isset($insert[$value['product_id']])){
                $insert[$value['product_id']]['number'] += -($value['number']);
            }else{
                $insert[$value['product_id']] = [
                    'product_id' => $value['product_id'],
                    'number' => -($value['number']),
                    'order_type' => InvoiceOrder::prefix,
                    'order_number' => $order['order_number'],
                    'crt_time' => $time
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

    public function confirmPurchaseOrder($data){
        $model = PurchaseOrder::where('id',$data['id'])
            ->where('del_time',0)
            ->first();
        if(empty($model)) return [false, '采购订单不存在或已被删除'];
        if($model->state != PurchaseOrder::STATE_ZERO) return [false, '请确认采购订单状态，操作失败'];

        PurchaseOrder::where('del_time',0)->where('id',$data['id'])
            ->update(['state' => PurchaseOrder::STATE_ONE]);

        return [true, $model->toArray()];
    }

    public function recordPurchaseOrder($data, $order){
        $result = PurchaseOrderInfo::where('del_time',0)
            ->where('order_number',$order['order_number'])
            ->get()->toArray();
        if(empty($result)) return [false,'采购单产品信息不存在或已被删除'];
        $insert = [];
        $time = time();
        foreach ($result as $value){
            if(isset($insert[$value['product_id']])){
                $insert[$value['product_id']]['number'] += $value['number'];
            }else{
                $insert[$value['product_id']] = [
                    'product_id' => $value['product_id'],
                    'number' => $value['number'],
                    'order_type' => PurchaseOrder::prefix,
                    'order_number' => $order['order_number'],
                    'crt_time' => $time
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

    public function confirmSalesOrder($data){
        $model = SalesOrder::where('id',$data['id'])->where('del_time',0)->first();
        if(empty($model)) return [false, '销售订单不存在或已被删除'];

        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->toArray()];
    }

    public function confirmConstruction($data){
        $model = Construction::where('id',$data['id'])
            ->where('del_time',0)
            ->first();
        if(empty($model)) return [false, '施工单不存在或已被删除'];
        if($model->state != Construction::STATE_ZERO) return [false, '请确认施工单状态，操作失败'];

        Construction::where('del_time',0)->where('id',$data['id'])
            ->update(['state' => Construction::STATE_ONE]);

        return [true, $model->toArray()];
    }

    public function recordConstruction($data, $order){
        $result = ConstructionProductInfo::where('del_time',0)
            ->where('construction_id',$order['id'])
            ->get()->toArray();
        if(empty($result)) return [false,'施工单产品信息不存在或已被删除'];
        $insert = [];
        $time = time();
        foreach ($result as $value){
            if(isset($insert[$value['product_id']])){
                $insert[$value['product_id']]['number'] += -($value['number']);
            }else{
                $insert[$value['product_id']] = [
                    'product_id' => $value['product_id'],
                    'number' => -($value['number']),
                    'order_type' => Construction::$prefix[$order['model_type']] ?? '',
                    'order_number' => $order['order_number'],
                    'crt_time' => $time
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

    public function checkAll($data,$user){
        if(empty($data['id']) || empty($data['opt_case'])) 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']] ?? "";
        $record = self::$record[$data['opt_case']] ?? "";
        try{
            DB::beginTransaction();

            list($bool,$msg) = $this->$function($data);

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

            if($record) {
                //流水
                $bool = $this->$record($data, $order);
                if(! $bool) {
                    DB::rollBack();
                    return [false, $msg];
                }
                //库存
                $bool = $this->changeInventory($data, $order);
                if(! $bool) {
                    DB::rollBack();
                    return [false, $msg];
                }
            }

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

    //更新库存
    public function changeInventory($data,$order){
        $number_symbol = ">";
        if(in_array($data['opt_case'],self::$in_opt)){
            $number_symbol = ">";
        }elseif (in_array($data['opt_case'],self::$out_opt)){
            $number_symbol = "<";
        }

        //获取单据最新数据时间 正常审核的数据
        $latest = InOutRecord::where('del_time',0)
            ->where('order_number',$order['order_number'])
            ->where('number',$number_symbol,0)
            ->select('crt_time')
            ->orderBy('crt_time', 'desc')
            ->first();

        $model = InOutRecord::where('del_time',0)
            ->where('order_number',$order['order_number'])
            ->where('number',$number_symbol,0)
            ->select(DB::raw("sum(number) as number"),'crt_time','product_id');
        if(! empty($latest)) {
            $t = $latest->toArray();
            $model->where('crt_time',$t['crt_time']);
        }

        $result = $model->get()->toArray();
        if (empty($result)) return [false,'流水记录不存在'];

        //是否锁定
        $setting_map = Setting::where('setting_name','lock_number')
            ->pluck('setting_value','setting_name')->toArray();
        foreach ($result as $key => $value){
            $m = ProductInventory::where('product_id',$value['product_id'])
                ->select('product_id','number')
                ->first();

            if(empty($m)){
                ProductInventory::insert($result[$key]);
            }else{
                $lock_number = 0;
                if(! empty($setting_map['lock_number']) && in_array($data['opt_case'],self::$out_opt)) $lock_number = $value['number'];

                ProductInventory::where('product_id',$m->product_id)
                    ->lockForUpdate()
                    ->update([
                        'number' => DB::raw('number + ('. $value['number'] . ')'),
                        'lock_number' => DB::raw('lock_number + ('. $lock_number . ')')
                    ]);
            }
        }

        return [true,''];
    }
}