<?php

namespace App\Service;

use App\Model\Employee;
use App\Model\Product;
use Illuminate\Support\Facades\DB;

/**
 * 产品管理
 */
class ProductService extends Service
{
    /**
     * 产品分类编辑
     * @param $data
     * @param $user
     * @return array
     */
    public function productCategoryEdit($data,$user){
        list($status,$msg) = $this->productCategoryRule($data,$user,false);
        if(!$status) return [$status,$msg];

        $update = $msg['data'][0];

        $model = new ProductCategory();
        $model->where('id',$data['id'])->update($update);

        return [true,''];
    }

    /**
     * 产品分类新增
     * @param $data
     * @param $user
     * @return array
     */
    public function productCategoryAdd($data,$user){
        list($status,$msg) = $this->productCategoryRule($data,$user);
        if(!$status) return [$status,$msg];

        ProductCategory::insert($msg['data']);

        return [true,''];
    }

    /**
     * 产品分类删除
     * @param $data
     * @return array
     */
    public function productCategoryDel($data){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];

        $bool = Product::where('del_time',0)
            ->where('product_category_id',$data['id'])
            ->exists();
        if($bool) return [false,'产品分类下已添加产品，操作失败'];

        try {
            DB::beginTransaction();

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

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

        return [true,''];
    }

    /**
     * 产品分类列表
     * @param $data
     * @param $user
     * @return array
     */
    public function productCategoryList($data,$user){
        $model = ProductCategory::leftJoin('product_category_orderby as a', function ($join) {
                $join->on('product_category.id', '=', 'a.category_id')
                    ->where('a.del_time',0);
            })
            ->where('product_category.del_time',0)
            ->select('product_category.title','product_category.id','product_category.parent_id','product_category.is_edit_unit_price')
            ->orderByRaw('IF(a.sort IS NULL, product_category.id, a.sort) ASC'); // 排序逻辑：优先按 a.sort 排序，没有关联时按主表 id 排序

        if(! empty($data['title'])) $model->where('title', 'LIKE', '%'.$data['title'].'%');
        if(isset($data['is_edit_unit_price'])) $model->where('is_edit_unit_price', $data['is_edit_unit_price']);

        $list = $model->get()->toArray();
        foreach ($list as $key => $value){
            $list[$key]['is_edit_unit_price_title'] = ProductCategory::$is_edit_unit_price[$value['is_edit_unit_price']] ?? "";
        }

        $list_tree = $list;
        if(! empty($list_tree)) {
            $list_tree = $this->makeTree(0,$list_tree);
            $list_tree = $this->set_sort_circle($list_tree);
        }

        return [200, ['data' => $list,'tree' => $list_tree]];
    }

    /**
     * 产品分类参数规则
     * @param $data
     * @param $is_add
     * @return array
     */
    public function productCategoryRule($data,$user, $is_add = true){
        if($this->isEmpty($data,'data')) return [false,'数据不能为空！'];

        $title = array_column($data['data'],'title');
        $title = array_map(function($val) {
            return $val !== null ? $val : 0;
        }, $title);
        $title_count = array_count_values($title);
        foreach ($title as $value){
            if(empty($value)) return [false,'名称不能为空！'];
            if($title_count[$value] > 1) return [false,'名称不能重复'];
        }

        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['upd_time'] = time();

            if($is_add){
                $parent_id = 0;
                if(! empty($value['parent_id'])) {
                    $bool = Product::where('del_time',0)
                        ->where('product_category_id',$value['parent_id'])
                        ->exists();
                    if($bool) {
                        $title = ProductCategory::where('id',$value['parent_id'])->select('title')->value('title');
                        return [false,'产品分类:'. $title .'下已添加产品，不允许添加子分类'];
                    }
                    $parent_id = $value['parent_id'];
                }

                $data['data'][$key]['parent_id'] = $parent_id;
                $data['data'][$key]['crt_time'] = time();
                $data['data'][$key]['depart_id'] = $data['depart_id'];
                $data['data'][$key]['top_depart_id'] = $data['top_depart_id'];

                $bool = ProductCategory::where('title',$value['title'])
                    ->where('top_depart_id',$data['top_depart_id'])
                    ->where('del_time',0)
                    ->exists();
            }else{
                if($this->isEmpty($data,'id')) return [false,'id不能为空！'];
                $top_depart_id = ProductCategory::where('id',$data['id'])->value('top_depart_id');
                $bool = ProductCategory::where('title',$value['title'])
                    ->where('id','<>',$data['id'])
                    ->where('del_time',0)
                    ->exists();
            }
            if($bool) return [false,'分类名称不能重复'];
        }

        return [true, $data];
    }

    /**
     * 产品编辑
     * @param $data
     * @param $user
     * @return array
     */
    public function productEdit($data,$user){
        list($status,$msg) = $this->productRule($data, $user, false);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = Product::where('id',$data['id'])->first();
            $model->category = $data['category'] ?? '';
            $model->title = $data['title'];
            $model->code = $data['code'] ?? '';
            $model->size = $data['size'] ?? '';
            $model->unit = $data['unit'] ?? 0;
            $model->business_cost = $data['business_cost'] ?? 0;
            $model->cost = $data['cost'] ?? 0;
            $model->write_off_price = $data['write_off_price'] ?? 0;
            $model->major_client_settlement_price = $data['major_client_settlement_price'] ?? 0;
            $model->return_change_price = $data['return_change_price'] ?? 0;
            $model->freight_price = $data['freight_price'] ?? 0;
            $model->mark = $data['mark'] ?? '';
            $model->save();

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

        return [true, ''];
    }

    /**
     * 产品新增
     * @param $data
     * @param $user
     * @return array
     */
    public function productAdd($data,$user){
        list($status,$msg) = $this->productRule($data, $user);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            $model = new Product();
            $model->category = $data['category'] ?? '';
            $model->title = $data['title'];
            $model->code = $data['code'] ?? '';
            $model->size = $data['size'] ?? '';
            $model->unit = $data['unit'] ?? 0;
            $model->business_cost = $data['business_cost'] ?? 0;
            $model->cost = $data['cost'] ?? 0;
            $model->write_off_price = $data['write_off_price'] ?? 0;
            $model->major_client_settlement_price = $data['major_client_settlement_price'] ?? 0;
            $model->return_change_price = $data['return_change_price'] ?? 0;
            $model->freight_price = $data['freight_price'] ?? 0;
            $model->mark = $data['mark'] ?? '';
            $model->crt_id = $user['id'];
            $model->save();

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

        return [true, ''];
    }

    /**
     * 产品删除
     * @param $data
     * @return array
     */
    public function productDel($data){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];

        try {
            DB::beginTransaction();
            $time = time();

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

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

        return [true, ''];
    }

    /**
     * 产品详情
     * @param $data
     * @param $user
     * @return array
     */
    public function productDetail($data,$user){
        if($this->isEmpty($data,'id')) return [false,'请选择数据！'];
        $customer = Product::where('del_time',0)
            ->where('id',$data['id'])
            ->first();
        if(empty($customer)) return [false,'产品不存在或已被删除'];
        $customer = $customer->toArray();

        $customer['crt_name'] = Employee::where('id',$customer['crt_id'])->value('emp_name');
        $customer['crt_time'] = $customer['crt_time'] ? date("Y-m-d H:i:s",$customer['crt_time']): '';

        return [true, $customer];
    }

    public function productCommon($data,$user, $field = []){
        if(empty($field)) $field = Product::$field;

        $model = Product::where('del_time',0)
            ->select($field)
            ->orderby('code', 'asc');

        if(! empty($data['title'])) $model->where('title', 'LIKE', '%'.$data['title'].'%');
        if(! empty($data['category'])) $model->where('code', 'LIKE', '%'.$data['category'].'%');
        if(! empty($data['size'])) $model->where('size', 'LIKE', '%'.$data['size'].'%');
        if(! empty($data['code'])) $model->where('code', 'LIKE', '%'.$data['code'].'%');
        if(! empty($data['crt_time'][0]) && ! empty($data['crt_time'][1])) {
            $return = $this->changeDateToTimeStampAboutRange($data['crt_time']);
            $model->where('crt_time','>=',$return[0]);
            $model->where('crt_time','<=',$return[1]);
        }

        return $model;
    }

    /**
     * 产品列表
     * @param $data
     * @param $user
     * @return array
     */
    public function productList($data,$user){
        $model = $this->productCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->fillData($list,$user,$data);

        return [true, $list];
    }

    /**
     * 产品参数规则
     * @param $data
     * @param $is_add
     * @return array
     */
    public function productRule(&$data, $user, $is_add = true){
        if(empty($data['code'])) return [false,'产品编码不能为空'];
        if(empty($data['title'])) return [false,'产品名称不能为空'];
        if(! isset($data['cost'])) return [false, '请填写成本'];
        if(! isset($data['business_cost'])) return [false, '请填写业务成本'];
        $res = $this->checkNumber($data['cost']);
        if(! $res) return [false,'成本请输入不超过两位小数并且大于等于0的数值'];
        $res = $this->checkNumber($data['business_cost']);
        if(! $res) return [false,'业务成本请输入不超过两位小数并且大于等于0的数值'];
        if(! empty($data['write_off_price'])){
            $res = $this->checkNumber($data['write_off_price']);
            if(! $res) return [false,'核销单价请输入不超过两位小数并且大于等于0的数值'];
        }
        if(! empty($data['major_client_settlement_price'])){
            $res = $this->checkNumber($data['major_client_settlement_price']);
            if(! $res) return [false,'大客户结算单价请输入不超过两位小数并且大于等于0的数值'];
        }
        if(! empty($data['return_change_price'])){
            $res = $this->checkNumber($data['return_change_price']);
            if(! $res) return [false,'退货损耗单价请输入不超过两位小数并且大于等于0的数值'];
        }
        if(! empty($data['freight_price'])){
            $res = $this->checkNumber($data['freight_price']);
            if(! $res) return [false,'运费单价请输入不超过两位小数并且大于等于0的数值'];
        }

        if($is_add){
            $bool = Product::where('code', $data['code'])
                ->where('del_time',0)
                ->exists();
        }else{
            if(empty($data['id'])) return [false,'ID不能为空'];
            $bool = Product::where('code', $data['code'])
                ->where('id','<>',$data['id'])
                ->where('del_time',0)
                ->exists();
        }
        if($bool) return [false,'产品编码不能重复'];

        return [true, $data];
    }

    /**
     * 拼接数据
     * @param $data
     * @return array
     */
    public function fillData($data, $user, $search){
        if(empty($data['data'])) return $data;

        foreach ($data['data'] as $key => $value){
            $data['data'][$key]['crt_time'] = $value['crt_time'] ? date('Y-m-d H:i:s',$value['crt_time']) : '';
            $data['data'][$key]['crt_name'] = $emp[$value['crt_id']] ?? '';
        }

        return $data;
    }
}