<?php

namespace app\service;

use app\model\Company;
use app\model\CompanyFeishuApp;
use app\model\User;
use app\util\FeishuUtil;
use app\util\HttpClient;
use Exception;

class FeishuService
{
    private ?int $companyId = null;
    private ?int $appId = null;

    /**
     * 设置当前操作的公司
     */
    public function setCompany(int $companyId): self
    {
        $this->companyId = $companyId;
        return $this;
    }

    /**
     * 设置飞书应用ID（支持多应用）
     */
    public function setApp(int $appId): self
    {
        $this->appId = $appId;
        return $this;
    }

    /**
     * 根据 tenant_key 获取公司配置
     */
    public function getCompanyByTenantKey(string $tenantKey): ?Company
    {
        return Company::active()->byTenantKey($tenantKey)->first();
    }

    /**
     * 获取公司的飞书应用配置
     */
    private function getFeishuApp(int $appId): array
    {
        $app = CompanyFeishuApp::find($appId);

        if (!$app || $app->status !== 1) {
            throw new Exception('飞书应用配置不存在');
        }

        return $app->toArray();
    }

    /**
     * 获取公司的默认飞书应用
     */
    private function getDefaultFeishuApp(int $companyId): array
    {
        $app = CompanyFeishuApp::where('company_id', $companyId)
            ->where('system_id', 1)
            ->where('status', 1)
            ->orderBy('sort')
            ->first();

        if (!$app) {
            throw new Exception('未配置飞书应用');
        }

        return $app->toArray();
    }

    /**
     * 获取飞书应用配置（优先使用指定应用，否则使用默认应用）
     */
    private function getAppConfig(): array
    {
        if (!$this->companyId) {
            throw new Exception('未设置公司ID');
        }

        if ($this->appId) {
            return $this->getFeishuApp($this->appId);
        }

        return $this->getDefaultFeishuApp($this->companyId);
    }

    /**
     * 获取当前应用ID
     */
    private function getAppId(): int
    {
        $app = $this->getAppConfig();
        return $app['id'];
    }

    /**
     * 获取飞书 access_token（保留用于向后兼容）
     * @deprecated 建议直接使用 FeishuUtil::getAppAccessToken()
     */
    public function getAccessToken(): string
    {
        return FeishuUtil::getAppAccessToken($this->getAppId());
    }

    /**
     * 根据 auth_code 获取用户信息（扫码登录）
     */
    public function getUserInfo(string $authCode): array
    {
        $app = $this->getAppConfig();
        $appId = $app['id'];

        error_log("🔑 使用应用ID: {$appId}, app_id: {$app['app_id']}");

        // 使用 FeishuUtil 获取完整用户信息
        return FeishuUtil::getCompleteUserInfo($authCode, $appId);
    }

    /**
     * 创建或更新用户
     */
    public function createOrUpdateUser(array $feishuData, int $companyId): User
    {
        $unionId = $feishuData['union_id'] ?? null;
        $userId = $feishuData['user_id'] ?? null;
        $name = $feishuData['name'] ?? '未知';
        $avatar = $feishuData['avatar_url'] ?? null;
        $email = $feishuData['email'] ?? null;

        if (!$unionId) {
            throw new Exception('缺少 union_id');
        }

        // 查找或创建用户
        $user = User::byFeishuUnionId($unionId)->first();

        if (!$user) {
            $user = User::create([
                'company_id' => $companyId,
                'feishu_user_id' => $userId,
                'feishu_union_id' => $unionId,
                'name' => $name,
                'email' => $email,
                'avatar' => $avatar,
                'status' => 1,
            ]);
        } else {
            // 更新用户信息
            $user->update([
                'feishu_user_id' => $userId,
                'name' => $name,
                'avatar' => $avatar,
                'email' => $email,
            ]);
        }

        return $user;
    }

    /**
     * 发送审批消息通知
     */
    public function sendApprovalMessage(int $userId, string $title, string $url): bool
    {
        try {
            $user = User::findOrFail($userId);
            $company = Company::findOrFail($user->company_id);

            $this->setCompany($company->id);
            $token = $this->getAccessToken();

            // 构建消息内容
            $message = [
                'msg_type' => 'interactive',
                'card' => [
                    'header' => [
                        'title' => [
                            'content' => '审批通知',
                            'tag' => 'plain_text',
                        ],
                        'template' => 'blue',
                    ],
                    'elements' => [
                        [
                            'tag' => 'div',
                            'text' => [
                                'content' => $title,
                                'tag' => 'plain_text',
                            ],
                        ],
                        [
                            'tag' => 'action',
                            'actions' => [
                                [
                                    'tag' => 'button',
                                    'text' => [
                                        'content' => '查看详情',
                                        'tag' => 'plain_text',
                                    ],
                                    'type' => 'default',
                                    'url' => $url,
                                ],
                            ],
                        ],
                    ],
                ],
            ];

            // 发送消息
            $response = HttpClient::httpPost(
                "https://open.feishu.cn/open-apis/message/v4/send_messages",
                [
                    'receive_id_type' => 'user_id',
                    'receive_id' => $user->feishu_user_id,
                    'msg_type' => 'interactive',
                    'content' => json_encode(['card' => $message['card']]),
                ],
                [
                    'Authorization: Bearer ' . $token,
                ]
            );

            return ($response['code'] ?? -1) === 0;
        } catch (Exception $e) {
            // 记录错误但不中断流程
            error_log('发送飞书消息失败: ' . $e->getMessage());
            return false;
        }
    }
}