<?php

namespace App\Service;

use App\Model\Construction;
use App\Model\ConstructionProductInfo;
use App\Model\Depart;
use App\Model\InOutRecord;
use App\Model\InvoiceOrder;
use App\Model\InvoiceOrderInfo;
use App\Model\Product;
use App\Model\ProductInventory;
use App\Model\ProductInventorySet;
use App\Model\PurchaseOrder;
use App\Model\PurchaseOrderInfo;
use App\Model\ReturnExchangeOrder;
use App\Model\ReturnExchangeOrderProductInfo;
use App\Model\SalesOrder;
use App\Model\SalesOrderProductInfo;
use App\Model\Setting;
use App\Model\Supplier;
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; //采购单入库
    const four = 4; //合同
    const five = 5; //施工单
    const six = 6; //退换货单
    const seven = 7; //采购单确认

    //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 => '合同',
        self::five => '施工单',//确认后出库
        self::six => '退换货单',//确认后出库或出库入库
        self::seven => '采购单确认',
    ];

    //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::five => 'confirmConstruction',
        self::six => 'confirmReturnExchangeOrder',
        self::seven => 'confirmPurchaseOrderState'
    ];

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

    public static $create = [
        self::seven => 'createPurchaseOrderSales', //分社合同生成
    ];

    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',$data['id'])
            ->update(['state' => InvoiceOrder::STATE_ONE]);
        SalesOrder::where('id',$model->sales_order_id)->update(['state' => SalesOrder::State2_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){
            $key = $value['product_id'] . $value['storehouse_id'];
            if(isset($insert[$key])){
                $insert[$key]['number'] += -($value['number']);
            }else{
                $insert[$key] = [
                    'product_id' => $value['product_id'],
                    'number' => -($value['number']),
                    'order_type' => InvoiceOrder::prefix,
                    'order_number' => $order['order_number'],
                    'crt_time' => $time,
                    'storehouse_id' => $value['storehouse_id'],
                    'depart_id' => $order['depart_id'],
                    'top_depart_id' => $order['top_depart_id'],
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

    public function confirmPurchaseOrderState($data){
        $model = PurchaseOrder::where('id',$data['id'])
            ->where('del_time',0)
            ->first();
        if(empty($model)) return [false,'采购单不存在或已被删除'];
        if(! empty($model->state)) return [false,'采购单已确认'];

        PurchaseOrder::where('id',$data['id'])->update(['state' => PurchaseOrder::STATE_ONE]);
        return [true, $model->toArray()];
    }

    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_ONE) 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_TWO]);

        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){
            $key = $value['product_id'] . $value['storehouse_id'];
            if(isset($insert[$key])){
                $insert[$key]['number'] += $value['number'];
            }else{
                $insert[$key] = [
                    'product_id' => $value['product_id'],
                    'number' => $value['number'],
                    'order_type' => PurchaseOrder::prefix,
                    'order_number' => $order['order_number'],
                    'crt_time' => $time,
                    'storehouse_id' => $value['storehouse_id'],
                    'depart_id' => $order['depart_id'],
                    'top_depart_id' => $order['top_depart_id'],
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

    //todo
    public function createPurchaseOrderSales($data, $order, $user){
        //没有供应商 不创建合同
        if(empty($order['supplier'])) return [true, ''];
        //总公司的采购单 不创建合同
        $top_depart_id = $user['head'] ?? [];
        if($top_depart_id['id'] == $order['top_depart_id']) return [true, ''];
        //分社公司的采购单 不向总供应商采购 不创建合同
        $is_create = Supplier::where('id',$order['supplier'])->value('is_main');
        if(empty($is_create)) return [true, ''];

        $prefix = SalesOrder::$prefix[SalesOrder::Model_type_two];
        $order_number = OrderNoService::createSalesOrderNumber($prefix);
        $product = PurchaseOrderInfo::where('del_time',0)
            ->where('purchase_order_id',$order['id'])
            ->get()->toArray();
        if(empty($product)) return [false, '采购订单产品数据不能为空'];

        $depart_id = Depart::where('del_time',0)->where('parent_id',0)->where('is_main',1)->value('id');
        $model = new SalesOrder();
        $model->model_type = SalesOrder::Model_type_two;
        $model->sales_order_type = SalesOrder::Order_type_one;
        $model->order_number = $order_number;
        $model->crt_id = $order['crt_id'];
        $model->depart_id = $depart_id;
        $model->top_depart_id = $depart_id;
        $model->other_fee = $order['other_fee'];
        $model->discount_fee = $order['discount_fee'];
        $model->contract_fee = $order['purchase_total'];
        $model->save();

        //产品字典
        $map = (new ProductService())->getProductDetail(array_column($product,'product_id'));

        $insert = [];
        foreach ($product as $value){
            $tmp = $map[$value['product_id']] ?? [];
            $insert[] = [
                'sales_order_id' => $model->id,
                'product_id' => $value['product_id'],
                'number' => $value['number'],
                'basic_type_id' => $value['basic_type_id'],
                'price' => $value['price'],
                'cost' => $tmp['cost'] ?? 0,
                'retail_price' => $tmp['retail_price'] ?? 0,
            ];
        }
        $bool = SalesOrderProductInfo::insert($insert);
        if(! $bool) return [false,'合同生成失败！'];

        return [true,''];
    }

    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',$data['id'])
            ->update(['state' => Construction::STATE_ONE]);
        SalesOrder::where('id',$model->sales_order_id)->update(['state' => SalesOrder::State_three]);

        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){
            $key = $value['product_id'] . $value['storehouse_id'];
            if(isset($insert[$key])){
                $insert[$key]['number'] += -($value['number']);
            }else{
                $insert[$key] = [
                    'product_id' => $value['product_id'],
                    'number' => -($value['number']),
                    'order_type' => Construction::$prefix[$order['model_type']] ?? '',
                    'order_number' => $order['order_number'],
                    'crt_time' => $time,
                    'storehouse_id' => $value['storehouse_id'],
                    'depart_id' => $order['depart_id'],
                    'top_depart_id' => $order['top_depart_id'],
                ];
            }
        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        return [true,''];
    }

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

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

        if($data['data_type'] == ReturnExchangeOrder::Order_type){
            SalesOrder::where('id',$data['id'])->update([
                'state' => SalesOrder::State_four
            ]);
        }

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

    public function recordReturnExchangeOrder($data, $order){
        $result = ReturnExchangeOrderProductInfo::where('del_time',0)
            ->where('return_exchange_id',$order['id'])
            ->get()->toArray();
        if(empty($result)) return [false,'退换货单产品信息不存在或已被删除'];
        $insert = $insert2 = [];
        $time = time();
        foreach ($result as $value){
            $key = $value['product_id'] . $value['storehouse_id'];
            $prefix = ReturnExchangeOrder::$prefix[$value['return_or_exchange']] ?? '';
            if($value['return_or_exchange'] == ReturnExchangeOrderProductInfo::type_one){
                //退货
                if(isset($insert[$key])){
                    $insert[$key]['number'] += $value['number'];
                }else{
                    $insert[$key] = [
                        'product_id' => $value['product_id'],
                        'number' => $value['number'],
                        'order_type' => $prefix,
                        'order_number' => $order['order_number'],
                        'crt_time' => $time,
                        'storehouse_id' => $value['storehouse_id'],
                        'depart_id' => $order['depart_id'],
                        'top_depart_id' => $order['top_depart_id'],
                    ];
                }
            }else{
                //换货
                if(isset($insert2[$key])){
                    $insert2[$key]['number'] += -($value['number']);
                }else{
                    $insert2[$key] = [
                        'product_id' => $value['product_id'],
                        'number' => -($value['number']),
                        'order_type' => $prefix,
                        'order_number' => $order['order_number'],
                        'crt_time' => $time,
                        'storehouse_id' => $value['storehouse_id'],
                        'depart_id' => $order['depart_id'],
                        'top_depart_id' => $order['top_depart_id'],
                    ];
                }
            }

        }
        $insert = array_values($insert);
        $bool = InOutRecord::insert($insert);
        if(! $bool) return [false,'流水写入失败'];

        if(! empty($insert2)) {
            $insert2 = array_values($insert2);
            $bool = InOutRecord::insert($insert2);
            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']] ?? "";
        $create = self::$create[$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, $user);
                if(! $bool) {
                    DB::rollBack();
                    return [false, $msg];
                }
            }

            if($create) {
                $bool = $this->$create($data, $order, $user);
                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,$user){
        $number_symbol = "";
        if(in_array($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'])
            ->when(! empty($number_symbol), function ($query) use ($number_symbol) {
                return $query->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'])
            ->when(! empty($number_symbol), function ($query) use ($number_symbol) {
                return $query->where('number', $number_symbol,0);
            })
            ->select('number','crt_time','product_id','storehouse_id','top_depart_id');
        if(! empty($latest)) {
            $t = $latest->toArray();
            $model->where('crt_time',$t['crt_time']);
        }

        $record = $model->get()->toArray();
        if (empty($record)) return [false,'流水记录不存在'];
        $result = $lock_number = [];
        foreach ($record as $value){
            $key = $value['product_id'] . $value['storehouse_id'];
            if(isset($result[$key])){
                $result[$key]['number'] += $value['number'];
            }else{
                $result[$key] = [
                    'product_id' => $value['product_id'],
                    'number' => $value['number'],
                    'crt_time' => $value['crt_time'],
                    'storehouse_id' => $value['storehouse_id'],
                    'top_depart_id' => $value['top_depart_id'],
                ];
            }
            if($value['number'] < 0){
                if(isset($lock_number[$key])){
                    $lock_number[$key] += $value['number'];
                }else{
                    $lock_number[$key] = $value['number'];
                }
            }
        }

        //是否锁定
        $lock = 0;
        if($user['head']['id'] != $order['top_depart_id']) $lock = DB::table('depart_set')->where('top_depart_id',$order['top_depart_id'])->value('param_one');

        $result = array_values($result);
        foreach ($result as $key => $value){
            $keys = $value['product_id'] . $value['storehouse_id'];
            $m = ProductInventory::where('product_id',$value['product_id'])
                ->where('storehouse_id',$value['storehouse_id'])
                ->select('product_id','number','storehouse_id')
                ->first();

            if(empty($m)){
                ProductInventory::insert($result[$key]);
            }else{
                $lock_number_tmp = 0;
                if($lock && ! empty($lock_number[$keys])) $lock_number_tmp = $lock_number[$keys];

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

        return [true,''];
    }
}