<?php

namespace App\Service;

use App\Model\BasicType;
use App\Model\Construction;
use App\Model\ConstructionProductInfo;
use App\Model\Depart;
use App\Model\InOutRecord;
use App\Model\Inventory;
use App\Model\InvoiceOrder;
use App\Model\InvoiceOrderInfo;
use App\Model\OrderOperation;
use App\Model\OutBoundOrder;
use App\Model\Product;
use App\Model\ProductAdjustment;
use App\Model\ProductCategory;
use App\Model\ProductInventory;
use App\Model\ProductInventorySet;
use App\Model\PurchaseOrder;
use App\Model\PurchaseOrderInfoForOutBound;
use App\Model\ReturnExchangeOrder;
use App\Model\SalesOrder;
use App\Model\Setting;
use App\Model\Storehouse;
use Illuminate\Support\Facades\DB;

class ProductInventoryService extends Service
{
    //获取产品真实库存
    public static function getRealStock($product_id = [], $storehouse_id = 0){
        if(empty($product_id) || empty($storehouse_id)) return [];
        $array = ProductInventory::whereIn('product_id',$product_id)
            ->where('storehouse_id', $storehouse_id)
            ->get()->toArray();

        $return = [];
        if(! empty($array)){
            foreach ($array as $value){
                $num = bcsub($value['number'], $value['lock_number'],2);

                $return[] = [
                    'id' => $value['id'],
                    'product_id' => $value['product_id'],
                    'storehouse_id' => $value['storehouse_id'],
                    'number' => $value['number'],
                    'lock_number' => $value['lock_number'],
                    'real_number' => $num,
                ];
            }
        }

        return $return;
    }

    //暂时关闭 没用
    public static function is_check(&$user,$data){
        return;
        //是否校验库存
        $top_depart_id = $user['head']['id'] ?? 0;//总公司id
        if($data['top_depart_id'] == $top_depart_id) {
            $user['is_check_stock'] = false;
        }else{
            $set = ProductInventorySet::where('top_depart_id',$data['top_depart_id'])
                ->where('del_time',0)
                ->first();
            if(! empty($set) && ! $set->param_one) $user['is_check_stock'] = false;
        }
    }

    //更新锁定库存
    //$user 当前登录人的信息
    //$submit_total (提交的数据)  $save_total（保存过的数据） todo
    public static function changeLockNumber($user, $submit_total = [], $save_total = [], $is_check_stock = 0){
        //如果外部传来则按照外部
        if($is_check_stock){
            if($is_check_stock == ProductInventorySet::type_two) return;
        }else{
            //外部没有传递 则根据当前用户
            if($user['is_check_stock'] == ProductInventorySet::type_two) return; //不校验库存
        }
        if(empty($submit_total) && empty($save_total)) return;

        //产品数扣减
        if(! empty($save_total)){
            foreach ($save_total as $key => $value){
                if(! isset($submit_total[$key])){
                    $submit_total[$key] = - $value;
                }else{
                    $submit_total[$key] = $submit_total[$key] - $value;
                }
            }
        }
        //更新锁定库存
        foreach ($submit_total as $key => $value){
            $tmp = explode(',',$key);

            ProductInventory::where('product_id',$tmp[0])
                ->where('storehouse_id',$tmp[1])
                ->update(['lock_number' => DB::raw('lock_number + ('. $value . ')')]);
        }
    }

    //比较库存
    public static function compareStock($user, $product_id = [],$product_submit = [], $product_save = []){
        if($user['is_check_stock'] == ProductInventorySet::type_two) return [true,'']; //不校验库存
        if(empty($product_id) || empty($product_submit)) return [false,'比较参数不能为空'];

        //库存
        $array = ProductInventory::whereIn('product_id', $product_id)
            ->select('id','product_id','number','crt_time','lock_number','storehouse_id')
            ->get()->toArray();
        if(empty($array)) return [false,'产品库存不存在'];
        //产品库存字典
        $stock = [];
        foreach ($array as $value){
            $key = $value['product_id'] . ',' . $value['storehouse_id'];
            $stock[$key] = $value;
        }

        //仓库
        $store_map = Storehouse::whereIn('id',array_unique(array_column($array,'storehouse_id')))
            ->pluck('title','id')
            ->toArray();

        //产品字典
        $map = [];
        $pro = Product::whereIn('id',$product_id)
            ->select('title','id','code')
            ->get()->toArray();
        foreach ($pro as $value){
            $map[$value['id']] = $value;
        }

        foreach ($product_submit as $key => $value){
            $tmp = explode(',',$key);
            //产品ID
            $product_id = $tmp[0];
            //仓库id
            $storehouse_id = $tmp[1];
            $storehouse_title = $store_map[$storehouse_id] ?? "";
            //产品名称
            $pro_tmp = $map[$product_id] ?? [];
            if(empty($pro_tmp)) return [false,'异常产品数据'];
            $pro_title = $pro_tmp['title'] . "( ". $pro_tmp['code'] .")";
            if(! isset($stock[$key])) return [false,'当前仓库' . $storehouse_title .' 的产品:'. $pro_title .'暂无库存'];
            //产品库存
            $stock_product = $stock[$key];

            //校验 =》 锁定库存
            $save_data = $product_save[$key] ?? 0;//已保存数量
            $tmp_lock = ($stock_product['lock_number'] > 0 ? $stock_product['lock_number'] : 0) - $save_data;
            $number = $stock_product['number'] - ($tmp_lock > 0 ? $tmp_lock : 0);
            if($value > $number) return [false, $pro_title. '数量不足,当前仓库:'. $storehouse_title . '的有效库存数量:' . $number];
        }

        return [true,''];
    }

    //现存量
    public function productInventoryListCommon($data,$user, $field = []){
        if(empty($field)){
            $field = ['a.product_id','a.id','a.number','b.title','b.code','b.product_category_id','b.unit','b.bar_code','a.crt_time','a.storehouse_id','a.top_depart_id'];
        }

        $model = ProductInventory::ATopClear($user,$data);
        $model = $model->from('product_inventory as a')
            ->join('product as b','b.id','a.product_id')
            ->select($field)
            ->orderby('a.crt_time', 'desc');
        if(! empty($data['product_name'])){
            $product_name = $data['product_name'];
            $id = Product::where('del_time',0)
                ->when(! empty($product_name), function ($query) use ($product_name) {
                    return $query->where('title', 'LIKE', '%'.$product_name.'%');
                })
                ->select('id')
                ->get()->toArray();
            $model->whereIn('a.product_id',array_unique(array_column($id,'id')));
        }
        if(! empty($data['product_category_name'])){
            $product_category_name = $data['product_category_name'];
            $c = ProductCategory::where('del_time',0)
                ->where('title', 'LIKE', '%'.$product_category_name.'%')
                ->select('id')
                ->get()->toArray();
            $model->whereIn('b.product_category_id',array_unique(array_column($c,'id')));
        }
        if(!empty($data['code'])) $model->where('b.code', 'LIKE', '%'.$data['code'].'%');
        if(isset($data['is_stock'])){
            if($data['is_stock'] == 0){
                $model->where('a.number','>',0);
            }
//            else{
//                $model->where('a.number','<=',0);
//            }
        }else{
            $model->where('a.number','>',0);
        }
        if(! empty($data['crt_time'][0]) && ! empty($data['crt_time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);
            $model->whereBetween('a.crt_time',[$return[0],$return[1]]);
        }

        return $model;
    }

    //现存量
    public function productInventoryList($data,$user){
        $model = $this->productInventoryListCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->fillListData($list);

        return [true, $list];
    }

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

        $category = ProductCategory::whereIn('id',array_column($data['data'],'product_category_id'))
            ->pluck('title','id')
            ->toArray();
        $basic_map = BasicType::whereIn('id',array_unique(array_column($data['data'],'unit')))
            ->pluck('title','id')
            ->toArray();
        $storehouse = Storehouse::whereIn('id',array_unique(array_column($data['data'],'storehouse_id')))
            ->pluck('title','id')
            ->toArray();
        $depart_map = Depart::whereIn('id',array_unique(array_column($data['data'],'top_depart_id')))->pluck('title','id')->toArray();
        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['unit_title'] = $basic_map[$value['unit']] ?? '';
            $data['data'][$key]['product_category_title'] = $category[$value['product_category_id']] ?? '';
            $data['data'][$key]['crt_time'] = $value['crt_time'] ? date("Y-m-d H:i:s",$value['crt_time']):'';
            $data['data'][$key]['storehouse_title'] = $storehouse[$value['storehouse_id']] ?? '';
            $data['data'][$key]['top_depart_title'] = $depart_map[$value['top_depart_id']] ?? '';
        }

        return $data;
    }

    //库存台账
    public function productInventoryStockListCommon($data,$user, $field = []){
        if(empty($field)){
            $field = ['a.id','a.product_id','a.number','a.order_type','a.crt_time','b.title','b.code','b.product_category_id','b.unit',DB::raw('SUM(CASE WHEN a.number < 0 THEN a.number ELSE 0 END) as out_number'),DB::raw('SUM(CASE WHEN a.number >= 0 THEN a.number ELSE 0 END) as in_number'),'a.order_number','a.crt_time','a.storehouse_id','a.top_depart_id'];
        }
        $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);

        $model = InOutRecord::ATopClear($user,$data);
        $model = $model->from('in_out_record as a')
            ->where('a.del_time',0)
            ->join('product as b','b.id','a.product_id')
            ->select($field)
            ->groupby('a.product_id','a.top_depart_id','a.order_number')
            ->orderBy('a.crt_time','asc');

        $model->whereBetween('a.crt_time',[$return[0],$return[1]]);
        if(! empty($data['product_name'])){
            $product_name = $data['product_name'];
            $id = Product::where('del_time',0)
                ->when(! empty($product_name), function ($query) use ($product_name) {
                    return $query->where('title', 'LIKE', '%'.$product_name.'%');
                })
                ->select('id')
                ->get()->toArray();
            $model->whereIn('a.product_id',array_unique(array_column($id,'id')));
        }
        if(! empty($data['product_category_name'])){
            $product_category_name = $data['product_category_name'];
            $c = ProductCategory::where('del_time',0)
                ->where('title', 'LIKE', '%'.$product_category_name.'%')
                ->select('id')
                ->get()->toArray();
            $model->whereIn('b.product_category_id',array_unique(array_column($c,'id')));
        }
        if(! empty($data['code'])) $model->where('b.code', 'LIKE', '%'.$data['code'].'%');
        if(! empty($data['order_number'])) $model->where('a.order_number', 'LIKE', '%'.$data['order_number'].'%');

       return $model;
    }

    //库存台账
    public function productInventoryStockList($data,$user){
        if(empty($data['crt_time'][0]) || empty($data['crt_time'][1])) return [false,'时间必须选择'];
        $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);
        $day = $this->returnDays($return);
        if($day > 31) return [false, '库存台账查询时间仅支持范围区间在一月(31天)内'];

        $model = $this->productInventoryStockListCommon($data, $user);
        $list = $model->get()->toArray();
        $list = $this->fillData($list, $return);

        return [true, $list];
    }

    public function fillData($data,$time_arr){
        if (empty($data)) return $data;

        $start_data = InOutRecord::whereIn('product_id',array_unique(array_column($data,'product_id')))
            ->where('crt_time','<',$time_arr[0])
            ->where('del_time',0)
            ->select('product_id','number',DB::raw('sum(number) as number'),'top_depart_id')
            ->groupby('product_id','top_depart_id')
            ->get()->toArray();
        $start_map = [];
        foreach ($start_data as $value){
            $start_map[$value['product_id'].$value['top_depart_id']] = $value['number'];
        }

        $category = ProductCategory::whereIn('id',array_unique(array_column($data,'product_category_id')))
            ->pluck('title','id')
            ->toArray();

        $basic_map = BasicType::whereIn('id',array_unique(array_column($data,'unit')))
            ->pluck('title','id')
            ->toArray();

        $roll_tmp = [];
        $order_type = $this->getOrderType();
        $storehouse = Storehouse::whereIn('id',array_unique(array_column($data,'storehouse_id')))
            ->pluck('title','id')
            ->toArray();
        foreach ($data as $key => $value){
            $keys = $value['product_id'] . $value['top_depart_id'];
            if(! isset($roll_tmp[$keys])){
                if(isset($start_map[$keys])){
                    $data[$key]['start_number'] = $start_map[$keys];
                }else{
                    $data[$key]['start_number'] = 0;
                }
                $tmp = $data[$key]['start_number'] + $value['in_number'] + $value['out_number'];
                $data[$key]['end_number'] = round($tmp,2);
                $roll_tmp[$keys] = $data[$key]['end_number'];
            }else{
                $data[$key]['start_number'] = $roll_tmp[$keys];
                $tmp = $data[$key]['start_number'] + $value['in_number'] + $value['out_number'];
                $data[$key]['end_number'] = round($tmp,2);
                $roll_tmp[$keys] = $data[$key]['end_number'];
            }

            $data[$key]['out_number'] = abs($value['out_number']);
            $data[$key]['product_category_title'] = $category[$value['product_category_id']] ?? '';
            $data[$key]['order_name'] = $order_type[$value['order_type']] ?? '';
            $data[$key]['crt_time'] = $value['crt_time'] ? date("Y-m-d",$value['crt_time']):'';
            $data[$key]['unit_title'] = $basic_map[$value['unit']] ?? '';
            $data[$key]['storehouse_title'] = $storehouse[$value['storehouse_id']] ?? '';
        }

        return $data;
    }

    public function getOrderType(){
        $array = [];
        foreach (Construction::$prefix as $value){
            $array[$value] = '施工单';
        }
        foreach (ReturnExchangeOrder::$prefix as $key => $value){
            $array[$value] = ReturnExchangeOrder::$model_type_name[$key] ?? '';
        }
        foreach (SalesOrder::$prefix as $value){
            $array[$value] = '合同';
        }
        $array[InvoiceOrder::prefix] = '发货单';
        $array[PurchaseOrder::prefix] = '采购单';
        $array[Inventory::prefix] = '盘点单';
        $array[OutBoundOrder::prefix] = '出库单';
        $array[PurchaseOrderInfoForOutBound::prefix] = '平出库流水记录';
        $array[PurchaseOrderInfoForOutBound::prefix2] = '平库存流水记录';
        $array[ProductAdjustment::prefix] = '产品金额调整单';

        return $array;
    }

    //系统设置列表
    public function productInventorySetList($data, $user){
        $model = ProductInventorySet::TopClear($user,$data);
        $model = $model->where('del_time',0)
            ->select('id','top_depart_id','param_one','param_two','param_three')
            ->orderby('id', 'desc');
        $list = $model->get()->toArray();
        $map = Depart::whereIn('id',array_column($list,'top_depart_id'))->pluck('title','id')->toArray();
        foreach ($list as $key => $value){
            $list[$key]['top_depart_title'] = $map[$value['top_depart_id']] ?? "";
        }
        return [true, $list];
    }

    //库存设置
    public function productInventorySet($data, $user){
        if(empty($data['id'])) return [false, 'ID不能为空'];
        $set = ProductInventorySet::where('id',$data['id'])->first();
        if(empty($set)) return [false,'系统设置不存在或已被删除'];

        $msg = "";
        if(isset($data['param_one'])){
            if(! isset(ProductInventorySet::$type_name[$data['param_one']])) return [false,'系统设置参数错误'];
            if($set->param_one != $data['param_one']) {
                $set->param_one = $data['param_one'];
                $msg .= "库存校验状态变更为：" . ProductInventorySet::$type_name[$data['param_one']];
            }
        }

        if(isset($data['param_two'])){
            $res = $this->checkNumber($data['param_two']);
            if(! $res) return [false, '整单扣除率请输入不超过两位小数并且大于0的数值'];
            if($set->param_two != $data['param_two']) {
                $set->param_two = $data['param_two'];
                $msg .= ",整单扣除率变更为：" . $data['param_two'];
            }
        }

        if(isset($data['param_three'])){
            $res = $this->checkNumber($data['param_three']);
            if(! $res) return [false, '施工费用比例请输入不超过两位小数并且大于0的数值'];
            if($data['param_three'] < 3) return [false,'施工费用比例不能小于3%'];
            if($set->param_three != $data['param_three']) {
                $set->param_three = $data['param_three'];
                $msg .= ",施工费用比例变更为：" . $data['param_three'];
            }
        }

        if(! empty($msg)){
            $set->save();
            (new OrderOperationService())->add([
                'order_number' => $data['id'],
                'msg' => OrderOperation::$type[OrderOperation::zero] . $msg,
                'type' => OrderOperation::zero
            ],$user);
        }

        return [true, ''];
    }

    //获取每个账号对应的系统设置
    public function getMySetting($data, $user){
        //顶级部门
        $depart = ! empty($user['depart_top'][0]) ? $user['depart_top'][0]: [];
        $depart_id = $depart['depart_id'] ?? 0;

        $model = new ProductInventorySet();
        $model = $model->where('del_time',0)
            ->select('id','top_depart_id','param_one','param_two','param_three')
            ->orderby('id', 'desc');
        if($depart_id) $model->where('top_depart_id',$depart_id);
        $list = $model->get()->toArray();

        $map = Depart::whereIn('id',array_column($list,'top_depart_id'))->pluck('title','id')->toArray();
        foreach ($list as $key => $value){
            $list[$key]['top_depart_title'] = $map[$value['top_depart_id']] ?? "";
        }
        return [true, $list];
    }
}