<?php

namespace App\Module\OAuth\Repositories;

use App\Module\OAuth\Models\OAuthClient;
use App\Module\OAuth\Models\OAuthAccessToken;
use Carbon\Carbon;
use Dcat\Admin\Repositories\EloquentRepository;

class OAuthRepository extends EloquentRepository
{
    protected $eloquentClass = OAuthClient::class;

    /**
     * 获取所有客户端列表
     */
    public function getClientList(array $params = [])
    {
        $query = OAuthClient::query();

        // 按名称搜索
        if (!empty($params['name'])) {
            $query->where('name', 'like', "%{$params['name']}%");
        }

        // 按客户端ID搜索
        if (!empty($params['client_id'])) {
            $query->where('client_id', $params['client_id']);
        }

        return $query->paginate($params['per_page'] ?? 15);
    }

    /**
     * 获取客户端的令牌列表
     */
    public function getClientTokens(string $clientId, array $params = [])
    {
        $query = OAuthAccessToken::where('client_id', $clientId);

        // 按用户ID搜索
        if (!empty($params['user_id'])) {
            $query->where('user_id', $params['user_id']);
        }

        // 是否只显示有效的
        if (!empty($params['active_only'])) {
            $query->where('expires_at', '>', now());
        }

        return $query->paginate($params['per_page'] ?? 15);
    }

    /**
     * 批量撤销令牌
     */
    public function revokeTokens(array $tokenIds): int
    {
        return OAuthAccessToken::whereIn('id', $tokenIds)->delete();
    }

    /**
     * 更新客户端信息
     */
    public function updateClient(int $id, array $data): bool
    {
        return OAuthClient::where('id', $id)->update($data);
    }

    /**
     * 删除客户端
     */
    public function deleteClient(int $id): bool
    {
        // 删除客户端的同时删除其所有令牌
        OAuthAccessToken::where('client_id', function ($query) use ($id) {
            $query->select('client_id')
                ->from('oauth_clients')
                ->where('id', $id);
        })->delete();

        return OAuthClient::where('id', $id)->delete();
    }

    /**
     * 获取OAuth统计数据
     *
     * @return array
     */
    public function getStats()
    {
        $now = Carbon::now();

        return [
            'total_clients' => OAuthClient::count(),
            'total_tokens' => OAuthAccessToken::count(),
            'active_tokens' => OAuthAccessToken::where('expires_at', '>', $now)->count(),
            'expired_tokens' => OAuthAccessToken::where('expires_at', '<=', $now)->count(),
        ];
    }
}