<?php

namespace App\Service;

use App\Model\Employee;
use App\Model\Inventory;
use App\Model\InventorySub;
use App\Model\Product;
use App\Model\Storehouse;
use Illuminate\Support\Facades\DB;

class InventoryService extends Service
{
    public function edit($data,$user){
        list($status,$msg) = $this->orderRule($data, $user,false);
        if(!$status) return [$status,$msg];

        try{
            DB::beginTransaction();
            $inventory_model = Inventory::where('order_number',$data['order_number'])->first();
            $inventory_model->counted_id = $data['counted_id'];
            $inventory_model->counted_time = $data['counted_time'];
            $inventory_model->mark = $data['mark'];
            $inventory_model->save();

            InventorySub::where('del_time',0)
                ->where('order_number',$data['order_number'])
                ->update(['del_time'=>time()]);

            if(! empty($data['sub'])){
                $sub = [];
                foreach ($data['sub'] as $value){
                    $sub[] = [
                        'product_id' => $value['product_id'],
                        'storehouse_id' => $data['storehouse_id'],
                        'order_number' => $data['order_number'],
                        'counted_num' => $value['counted_num'],
                        'add_num' => $value['add_num'],
                        'reduce_num' => $value['reduce_num'],
                        'price' => $value['price'] ?? 0,
                        'inventory_id' => $inventory_model->id
                    ];
                }
                InventorySub::insert($sub);

                ProductInventoryService::changeLockNumber($user,$msg[0],$msg[1]);
            }

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

        return [true, ''];
    }

    public function add($data,$user){
        list($status,$msg) = $this->orderRule($data, $user);
        if(!$status) return [$status,$msg];
        try{
            DB::beginTransaction();
            $inventory_model = new Inventory();
            $inventory_model->order_number = $data['order_number'];
            $inventory_model->storehouse_id = $data['storehouse_id'];
            $inventory_model->counted_id = $data['counted_id'];
            $inventory_model->counted_time = $data['counted_time'];
            $inventory_model->mark = $data['mark'] ?? '';
            $inventory_model->depart_id = $data['depart_id'] ?? 0;
            $inventory_model->top_depart_id = $data['top_depart_id'] ?? 0;
            $inventory_model->crt_id = $user['id'];
            $inventory_model->save();

            if(! empty($data['sub'])){
                $sub = [];
                foreach ($data['sub'] as $value){
                    $sub[] = [
                        'product_id' => $value['product_id'],
                        'storehouse_id' => $data['storehouse_id'],
                        'order_number' => $data['order_number'],
                        'counted_num' => $value['counted_num'],
                        'add_num' => $value['add_num'],
                        'reduce_num' => $value['reduce_num'],
                        'price' => $value['price'] ?? 0,
                        'inventory_id' => $inventory_model->id
                    ];
                }
                InventorySub::insert($sub);

                ProductInventoryService::changeLockNumber($user,$msg[0],[]);
            }

            //单据创建时是否校验库存
            (new CheckService())->orderInventoryInsert(['order_number' => $data['order_number'], 'is_check_stock' => $data['is_check_stock']]);

            DB::commit();
        }catch (\Throwable $exception){
            DB::rollBack();
            if (str_contains($exception->getMessage(), '1062') || str_contains($exception->getMessage(), 'Duplicate entry')) {
                return [false, '网络波动，请重新操作！'];
            }
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function detail($data,$user){
        if(empty($data['id']) && empty($data['order_number'])) return [false,'请选择数据！'];

        if(! empty($data['id'])){
            $inventory = Inventory::where('del_time',0)
                ->where('id',$data['id'])
                ->first();
        }else{
            $inventory = Inventory::where('del_time',0)
                ->where('order_number',$data['order_number'])
                ->first();
            $data['id'] = empty($inventory->id) ? 0 : $inventory->id;
        }
        if(empty($inventory)) return [false,'盘点单不存在或已被删除'];
        $inventory = $inventory->toArray();
        $inventory['state_title'] = Inventory::$name[$inventory['state']] ?? '';

        $emp_map = Employee::whereIn('id', [$inventory['crt_id'], $inventory['counted_id']])
            ->pluck('emp_name','id')
            ->toArray();
        $inventory['crt_name'] = $emp_map[$inventory['crt_id']] ?? '';
        $inventory['counted_name'] = $emp_map[$inventory['counted_id']] ?? '';
        $inventory['counted_time'] = $inventory['counted_time'] ? date("Y-m-d", $inventory['counted_time']): '';
        $inventory['crt_time'] = $inventory['crt_time'] ? date("Y-m-d H:i:s", $inventory['crt_time']): '';

        $sub = InventorySub::where('del_time',0)
            ->where('inventory_id', $data['id'])
            ->select('product_id','counted_num','add_num','reduce_num','price')
            ->get()->toArray();
        $map = (new ProductService())->getProductDetail(array_column($sub,'product_id'));
        foreach ($sub as $key => $value){
            $tmp = $map[$value['product_id']] ?? [];
            $sub[$key]['title'] = $tmp['title'] ?? "";
            $sub[$key]['code'] = $tmp['code'] ?? "";
        }
        $inventory['sub'] = $sub;

        return [true, $inventory];
    }

    public function del($data,$user){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];
        $inventory = Inventory::where('del_time',0)->where('id',$data['id'])->first();
        if(empty($inventory)) return [false,'盘点单不存在或已被删除'];
        $inventory = $inventory->toArray();
        if($inventory['state'] > Inventory::STATE_ZERO) return [false,'请确认盘点单状态,操作失败'];

        $time = time();
        $product_save = $this->getSaveDetail($data['id']);
        try {
            DB::beginTransaction();

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

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

            //锁定库存释放
            if(! empty($product_save)) ProductInventoryService::changeLockNumber($user,[],$product_save);

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

        return [true, ''];
    }

    public function getList($data,$user){
        $model = Inventory::Clear($user,$data);
        $model = $model->where('del_time',0)
            ->select('order_number','id','storehouse_id','state','counted_id','counted_time','inventory_id','crt_time')
            ->orderby('id', 'desc');
        if(! empty($data['crt_time'][0]) && ! empty($data['crt_time'][1])) $model->whereBetween('crt_time',[$data['crt_time'][0],$data['crt_time'][1]]);
        if(! empty($data['order_number'])) $model->where('order_number', 'LIKE', '%'.$data['order_number'].'%');
        if(! empty($data['storehouse_id'])) $model->where('storehouse_id', $data['storehouse_id']);
        if(! empty($data['counted_name'])) {
            $id = $this->forSearch($data);
            $model->whereIn('counted_id',$id);
        }
        if(isset($data['state'])) $model->where('state', $data['state']);
        if(! empty($data['product_code'])) {
            $id = $this->forSearch($data);
            $model->whereIn('id',$id);
        }

        $list = $this->limit($model,'',$data);
        $list = $this->fillListData($list);

        return [true, $list];
    }

    public function fillListData($data){
        if(empty($data['data'])) return $data;

        $storehouse_map = Storehouse::whereIn('id',array_column($data['data'],'storehouse_id'))
            ->pluck('title','id')
            ->toArray();

        $emp_map = Employee::whereIn('id',array_unique(array_merge_recursive(array_column($data['data'],'counted_id'), array_column($data['data'],'crt_id'))))
            ->pluck('emp_name','id')
            ->toArray();

        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['counted_time'] = $value['counted_time'] ? date("Y-m-d",$value['counted_time']) : '';
            $data['data'][$key]['crt_time'] = $value['crt_time'] ? date("Y-m-d H:i:s",$value['crt_time']) : '';
            $data['data'][$key]['storehouse_name'] = $storehouse_map[$value['storehouse_id']] ?? '';
            $data['data'][$key]['counted_name'] = $emp_map[$value['counted_id']] ?? '';
            $data['data'][$key]['state_name'] = Inventory::$name[$value['state']] ?? '';
        }

        return $data;
    }

    public function forSearch($data){
        if(! empty($data['product_code'])){
            $product = Product::where('code',  'LIKE', '%'.$data['product_code'].'%')
                ->select('id')
                ->get()->toArray();
            $inventory_id = InventorySub::where('del_time',0)
                ->whereIn('product_id', array_column($product,'id'))
                ->select('inventory_id')
                ->get()->toArray();
            return array_column($inventory_id, 'inventory_id');
        }

        if(! empty($data['counted_name'])){
            $employee = Employee::where('emp_name',  'LIKE', '%'.$data['counted_name'].'%')
                ->select('id')
                ->get()->toArray();
            return array_column($employee, 'id');
        }

        return [];
    }

    public function orderRule(&$data, $user, $is_add = true){
        if(empty($data['counted_id'])) return [false,'盘点人不能为空'];
        if(empty($data['counted_time'])) return [false,'盘点日期不能为空'];
        $data['counted_time'] = $this->changeDateToDate($data['counted_time']);
        if(empty($data['storehouse_id'])) return [false,'仓库不能为空'];
        if(empty($data['sub'])) return [false, '盘点明细不能为空'];
        $product_submit = $product_submit_reduce = $product_id = [];
        foreach ($data['sub'] as $value){
            if(empty($value['product_id'])) return [false,"盘点单产品ID不为空"];
            $bool = $this->checkNumber($value['counted_num']);
            if(! $bool) return [false, '盘点数量不合法,请输入大于等于0的两位数值'];
            $bool = $this->checkNumber($value['add_num']);
            if(! $bool) return [false, '盘盈数量不合法,需是大于等于0的两位数值'];
            $bool = $this->checkNumber($value['reduce_num']);
            if(! $bool) return [false, '盘亏数量不合法,需是大于等于0的两位数值'];
            if(isset($value['price'])){
                $bool = $this->checkNumber($value['price']);
                if(! $bool) return [false, '盘点单价不合法,需是大于等于0的两位数值'];
            }

            $key = $value['product_id'] . ',' .$data['storehouse_id'];
            if(! isset($product_submit[$key])) $product_submit[$key] = 0;

            if($value['reduce_num'] > 0){
                if(isset($product_submit_reduce[$key])){
                    $product_submit_reduce[$key] += $value['reduce_num'];
                }else{
                    $product_submit_reduce[$key] = $value['reduce_num'];
                }
                $product_id[] = $value['product_id'];
            }
        }

        //所属部门 以及  顶级部门
        if(empty($data['depart_id'])) {
            $data['depart_id'] = $this->getDepart($user);
            $data['top_depart_id'] = $user['depart_map'][$data['depart_id']] ?? 0;
        }

        $data['is_check_stock'] = $user['is_check_stock'];

        if($is_add){
            $order_number = (new OrderNoService())->createOrderNumber(Inventory::prefix);
            if(empty($order_number)) return [false,'盘点单号生成失败'];
            $data['order_number'] = $order_number;
        }else{
            if(empty($data['order_number'])) return [false,'盘点单号不能为空'];
            $model = Inventory::where('order_number',$data['order_number'])->where('del_time',0)->first();
            if(empty($model)) return [false, '盘点单不存在或已被删除'];
            $order = $model->toArray();
            if($order['state'] != Inventory::STATE_ZERO) return [false, '请确认单据状态,编辑失败'];
            if($order['storehouse_id'] != $data['storehouse_id']) return [false, '仓库不允许编辑'];
        }

        //校验是否存在产品盘点
        list($status, $msg) = $this->issetProduct($data, $product_submit);
        if(! $status) return [false, $msg];

        $id = $data['id'] ?? 0;
        $product_save_reduce = $this->getSaveDetail($id);

        if(! empty($product_submit_reduce)){
            //校验库存
            list($status,$msg) = (new ProductInventoryService())->compareStock($user,$product_id, $product_submit_reduce, $product_save_reduce);
            if(! $status) return [false, $msg];
        }

        return [true, [$product_submit_reduce, $product_save_reduce]];
    }

    /**
     * 获取保存详情
     * @param $id
     * @return array
     */
    public function getSaveDetail($id){
        $product_save = [];
        if(empty($id)) return [];

        $sub = InventorySub::where('inventory_id',$id)
            ->where('del_time',0)
            ->get()->toArray();
        foreach ($sub as $value){
            $key = $value['product_id'] . ',' . $value['storehouse_id'];
            if($value['reduce_num'] > 0){//盘亏
                if(isset($product_save[$key])){
                    $product_save[$key] += $value['reduce_num'];
                }else{
                    $product_save[$key] = $value['reduce_num'];
                }
            }
        }

        return $product_save;
    }

    public function issetProduct($data, $product_submit){
        $id = $data['id'] ?? 0;

        $inventory = Inventory::where('del_time',0)
            ->when(! empty($id), function ($query) use ($id) {
                return $query->where('id','<>',$id);
            })
            ->where('top_depart_id',$data['top_depart_id'])
            ->where('state','<',Inventory::STATE_TWO)
            ->select('id')
            ->get()->toArray();

        $sub = InventorySub::where('del_time', 0)
            ->whereIn('inventory_id', array_column($inventory,'id'))
            ->select('product_id', 'storehouse_id')
            ->get()->toArray();

        $map = [];
        $product = Product::whereIn('id', array_unique(array_column($sub,'product_id')))
            ->select('id','title','code')
            ->get()->toArray();
        foreach ($product as $value){
            $map[$value['id']] = $value;
        }

        foreach ($sub as $value){
            $key = $value['product_id'] . ',' .$value['storehouse_id'];
            if(isset($product_submit[$key])){
                $pro_tmp = $map[$value['product_id']] ?? [];
                $pro_str = $pro_tmp['title'] . "( ". $pro_tmp['code'] .")";
                return [false, "产品:" . $pro_str . "在盘点单:" . $value['order_number'] . "已录入盘点"];
            }
        }

        return [true, ''];
    }
}