<?php

namespace App\Module\GameItems\AdminControllers\Metrics;

use UCore\DcatAdmin\Metrics\Examples\Ranking;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Module\GameItems\Models\ItemUser;

/**
 * 果实持有排名基础类
 * 为各种果实提供通用的排名功能
 */
abstract class FruitRankingBase extends Ranking
{
    /**
     * 果实物品ID
     * 子类需要重写此属性
     */
    protected $fruitId;

    /**
     * 果实名称
     * 子类需要重写此属性
     */
    protected $fruitName;

    /**
     * 初始化卡片内容
     */
    protected function init()
    {
        parent::init();
        
        $this->title($this->fruitName . '持有排名');
        $this->dropdown([
            '7' => '最近 7 天',
            '30' => '最近 30 天',
            '90' => '最近 90 天',
            'all' => '全部时间',
        ]);
    }

    /**
     * 处理请求
     *
     * @param Request $request
     * @return mixed|void
     */
    public function handle(Request $request)
    {
        $timeRange = $request->get('option', 'all');
        $data = $this->getFruitRankingData($timeRange);
        
        // 卡片内容
        $this->withContent($data);
    }

    /**
     * 获取果实排名数据
     *
     * @param string $timeRange
     * @return array
     */
    protected function getFruitRankingData($timeRange)
    {
        // 构建查询
        $query = ItemUser::with('user')
            ->select([
                'user_id',
                DB::raw('SUM(quantity) as total_quantity')
            ])
            ->where('item_id', $this->fruitId)
            ->where('is_frozen', 0) // 排除冻结的物品
            ->whereNull('expire_at'); // 排除已过期的物品

        // 根据时间范围过滤
        if ($timeRange !== 'all') {
            $days = (int)$timeRange;
            $query->where('created_at', '>=', now()->subDays($days));
        }

        $rankings = $query->groupBy('user_id')
            ->orderByDesc('total_quantity')
            ->limit(20)
            ->get();

        $result = [];
        foreach ($rankings as $index => $ranking) {
            $username = $ranking->user ? $ranking->user->username : null;
            $result[] = [
                'rank' => $index + 1,
                'title' => $username ?: "用户{$ranking->user_id}",
                'number' => number_format($ranking->total_quantity) . ' 个',
            ];
        }

        // 如果没有数据，返回空排名提示
        if (empty($result)) {
            $result[] = [
                'rank' => '-',
                'title' => '暂无' . $this->fruitName . '持有数据',
                'number' => '0 个',
            ];
        }

        return $result;
    }
}