<?php
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namespace app\adminapi\lists\goods;

use app\adminapi\lists\BaseAdminDataLists;
use app\common\lists\ListsExcelInterface;
use app\common\lists\ListsSearchInterface;
use app\common\model\Goods;
use app\common\model\GoodsCategory;
use app\common\model\GoodsCategoryIndex;
use app\common\model\GoodsItem;

/**
 * 商品规格价格列表
 * Class GoodsSpecPriceLists
 * @package app\adminapi\lists\goods
 */
class GoodsSpecPriceLists extends BaseAdminDataLists implements ListsSearchInterface, ListsExcelInterface
{
    /**
     * @notes 搜索条件
     * @return array
     * @author 
     * @date 2024/01/01 00:00
     */
    public function setSearch(): array
    {
        $searchWhere = [];
        
        // 条形码搜索
        if (!empty($this->params['bar_code'])) {
            $goodsIds = GoodsItem::where('bar_code', $this->params['bar_code'])->column('goods_id');
            if ($goodsIds) {
                $searchWhere[] = ['g.id', 'in', $goodsIds];
            } else {
                $searchWhere[] = ['g.id', '=', 0]; // 没有匹配的商品
            }
        }
        
        // 关键词搜索
        if (!empty($this->params['keyword'])) {
            $searchWhere[] = ['g.code|g.name', 'like', '%' . $this->params['keyword'] . '%'];
        }
        
        // 分类搜索 - 使用GoodsCategoryIndex表
        if (!empty($this->params['category_id'])) {
            $goodsCategory = GoodsCategory::find($this->params['category_id']);
            $level = $goodsCategory['level'] ?? '';
            $categoryIds = [];
            switch ($level) {
                case 1:
                    $categoryIds = GoodsCategory::alias('A')
                        ->join('goods_category B', 'A.id = B.pid')
                        ->where(['A.pid' => $this->params['category_id']])
                        ->field('A.id as aid,B.id as bid')
                        ->select()->toArray();
                    $categoryIds = array_merge(array_column($categoryIds, 'aid'), array_column($categoryIds, 'bid'));
                    break;
                case 2:
                    $categoryIds = GoodsCategory::where(['pid' => $this->params['category_id']])
                        ->column('id');
                    break;
            }
            $categoryIds = array_merge([(int)$this->params['category_id']], $categoryIds);
            $goodsIds = GoodsCategoryIndex::where([['category_id', 'in', $categoryIds]])->column('goods_id');
            if ($goodsIds) {
                $searchWhere[] = ['g.id', 'in', $goodsIds];
            } else {
                $searchWhere[] = ['g.id', '=', 0]; // 没有匹配的商品
            }
        }
        
        // 供应商搜索
        if (!empty($this->params['supplier_id'])) {
            $searchWhere[] = ['g.supplier_id', '=', $this->params['supplier_id']];
        }
        
        // 商品类型搜索
        if (!empty($this->params['goods_type'])) {
            $searchWhere[] = ['g.goods_type', '=', $this->params['goods_type']];
        }
        
        // 状态搜索
        if (isset($this->params['status']) && $this->params['status'] !== '') {
            $searchWhere[] = ['g.status', '=', $this->params['status']];
        }
        
        return $searchWhere;
    }

    /**
     * @notes 获取商品规格价格列表
     * @return array
     * @author 
     * @date 2024/01/01 00:00
     */
    public function lists(): array
    {
		$searchWhere = $this->setSearch();
        $lists = Goods::alias('g')
            ->leftJoin('goods_item gi', 'g.id = gi.goods_id')
			->where($searchWhere)
            ->where('g.delete_time', null)
            ->field([
                'g.id as goods_id',
                'g.code as goods_code', 
                'g.name as goods_name',
                'gi.id as item_id',
                'gi.spec_value_str',
                'gi.sell_price',
                'gi.lineation_price',
                'gi.cost_price',
                'gi.stock',
                'gi.weight',
                'gi.volume'
            ])
            ->limit($this->limitOffset, $this->limitLength)
            ->order('g.id desc, gi.id asc')
            ->select()
            ->toArray();

        return $lists;
    }

    /**
     * @notes 获取数量
     * @return int
     * @author 
     * @date 2024/01/01 00:00
     */
    public function count(): int
    {
        $searchWhere = $this->setSearch();
        
        return Goods::alias('g')
            ->leftJoin('goods_item gi', 'g.id = gi.goods_id')
            ->where($searchWhere)
            ->where('g.delete_time', null)
            ->count();
    }

    /**
     * @notes 设置导出字段
     * @return array
     * @author 
     * @date 2024/01/01 00:00
     */
    public function setExcelFields(): array
    {
        return [
            'goods_id' => '商品ID',
            'goods_code' => '商品编码',
            'goods_name' => '商品名称',
            'item_id' => '规格ID',
            'spec_value_str' => '规格名称',
            'sell_price' => '销售价格',
            'lineation_price' => '划线价格',
            'cost_price' => '成本价格',
            'stock' => '库存数量',
            'weight' => '重量(kg)',
            'volume' => '体积(m³)'
        ];
    }

    /**
     * @notes 设置文件名
     * @return string
     * @author 
     * @date 2024/01/01 00:00
     */
    public function setFileName(): string
    {
        return '商品规格价格';
    }
}