<?php

namespace App\Module\OpenAPI\Handlers\Game;

use App\Module\OpenAPI\Handlers\BaseHandler;
use App\Module\OpenAPI\Services\ScopeService;
use App\Module\OpenAPI\Enums\SCOPE_TYPE;
use Illuminate\Http\JsonResponse;

/**
 * 游戏统计Handler
 * 
 * 处理获取游戏统计数据的业务逻辑
 */
class GameStatsHandler extends BaseHandler
{
    public function __construct(ScopeService $scopeService)
    {
        parent::__construct($scopeService);
    }

    /**
     * 获取所需的权限范围
     *
     * @return SCOPE_TYPE[]
     */
    public function getRequiredScopes(): array
    {
        return [SCOPE_TYPE::GAME_READ];
    }

    /**
     * 处理获取游戏统计请求
     *
     * @param array $data 请求数据
     * @param array $context 上下文信息
     * @return JsonResponse
     */
    protected function process(array $data, array $context = []): JsonResponse
    {
        // 验证请求参数
        $validationErrors = $this->validateData($data, [
            'date_from' => 'date',
            'date_to' => 'date|after_or_equal:date_from',
            'user_id' => 'integer|min:1',
            'game_type' => 'string|max:50',
        ]);

        if ($validationErrors) {
            return $this->errorResponse('参数验证失败', $validationErrors, 422);
        }

        // 获取统计参数
        $dateFrom = $data['date_from'] ?? now()->subDays(7)->toDateString();
        $dateTo = $data['date_to'] ?? now()->toDateString();
        $userId = $data['user_id'] ?? null;
        $gameType = $data['game_type'] ?? '';

        // 调用Game模块服务获取统计数据
        $stats = $this->getGameStats($dateFrom, $dateTo, $userId, $gameType);

        // 记录操作日志
        $this->logAction('game.stats.get', [
            'date_from' => $dateFrom,
            'date_to' => $dateTo,
            'user_id' => $userId,
            'game_type' => $gameType,
        ], $context);

        return $this->successResponse('获取游戏统计成功', $stats);
    }

    /**
     * 获取游戏统计数据
     * 
     * 这里应该调用Game模块的实际服务
     *
     * @param string $dateFrom
     * @param string $dateTo
     * @param int|null $userId
     * @param string $gameType
     * @return array
     */
    protected function getGameStats(string $dateFrom, string $dateTo, ?int $userId, string $gameType): array
    {
        // TODO: 这里应该调用Game模块的服务
        // 例如: return app(GameService::class)->getStats($dateFrom, $dateTo, $userId, $gameType);
        
        // 暂时返回示例数据，等待与Game模块集成
        return [
            'overview' => [
                'total_players' => rand(5000, 10000),
                'online_players' => rand(500, 1500),
                'total_games' => rand(50000, 100000),
                'active_games' => rand(100, 500),
                'daily_active_users' => rand(2000, 5000),
                'new_players_today' => rand(50, 200),
            ],
            'game_types' => [
                [
                    'type' => 'farm',
                    'name' => '农场游戏',
                    'players' => rand(1000, 3000),
                    'games_played' => rand(10000, 30000),
                    'avg_session_time' => rand(300, 1800), // 秒
                ],
                [
                    'type' => 'pet',
                    'name' => '宠物游戏',
                    'players' => rand(800, 2500),
                    'games_played' => rand(8000, 25000),
                    'avg_session_time' => rand(600, 2400),
                ],
                [
                    'type' => 'shop',
                    'name' => '商店系统',
                    'players' => rand(1500, 4000),
                    'games_played' => rand(15000, 40000),
                    'avg_session_time' => rand(180, 900),
                ],
            ],
            'daily_stats' => $this->generateDailyStats($dateFrom, $dateTo),
            'user_stats' => $userId ? $this->getUserGameStats($userId) : null,
            'period' => [
                'from' => $dateFrom,
                'to' => $dateTo,
            ],
        ];
    }

    /**
     * 生成每日统计数据
     *
     * @param string $dateFrom
     * @param string $dateTo
     * @return array
     */
    protected function generateDailyStats(string $dateFrom, string $dateTo): array
    {
        $stats = [];
        $start = \Carbon\Carbon::parse($dateFrom);
        $end = \Carbon\Carbon::parse($dateTo);

        while ($start <= $end) {
            $stats[] = [
                'date' => $start->toDateString(),
                'active_users' => rand(1000, 3000),
                'new_users' => rand(20, 100),
                'games_played' => rand(5000, 15000),
                'total_playtime' => rand(50000, 150000), // 秒
            ];
            $start->addDay();
        }

        return $stats;
    }

    /**
     * 获取用户游戏统计
     *
     * @param int $userId
     * @return array
     */
    protected function getUserGameStats(int $userId): array
    {
        return [
            'user_id' => $userId,
            'total_games' => rand(100, 1000),
            'total_playtime' => rand(10000, 100000), // 秒
            'favorite_game_type' => ['farm', 'pet', 'shop'][rand(0, 2)],
            'level' => rand(1, 100),
            'achievements' => rand(5, 50),
            'last_played' => now()->subHours(rand(1, 48))->toISOString(),
        ];
    }
}