import { notificationService } from '@/services/notifications';
import { pushNotificationManager, TokenStatus } from '@/services/pushNotificationManager';
import { useEffect, useState } from 'react';

/**
 * 推送通知Hook
 * 用于管理推送通知的初始化和状态
 */
export function usePushNotifications() {
  const [isInitialized, setIsInitialized] = useState(false);
  const [tokenStatus, setTokenStatus] = useState<TokenStatus>(TokenStatus.UNKNOWN);
  const [isLoading, setIsLoading] = useState(true);

  useEffect(() => {
    initializePushNotifications();
  }, []);

  /**
   * 初始化推送通知
   */
  const initializePushNotifications = async () => {
    try {
      setIsLoading(true);

      // 初始化本地通知服务
      await notificationService.initialize();

      // 初始化推送通知管理器
      const success = await pushNotificationManager.initialize({
        onTokenReceived: (token) => {
          console.log('Hook: 设备令牌已接收:', token.substring(0, 20) + '...');
          updateTokenStatus();
        },
        onTokenRefresh: (token) => {
          console.log('Hook: 设备令牌已刷新:', token.substring(0, 20) + '...');
          updateTokenStatus();
        },
        onError: (error) => {
          console.error('Hook: 推送通知管理器错误:', error);
        }
      });

      setIsInitialized(success);
      await updateTokenStatus();
    } catch (error) {
      console.error('Hook: 初始化推送通知失败:', error);
    } finally {
      setIsLoading(false);
    }
  };

  /**
   * 更新令牌状态
   */
  const updateTokenStatus = async () => {
    try {
      const status = await pushNotificationManager.getTokenStatus();
      setTokenStatus(status);
    } catch (error) {
      console.error('Hook: 获取令牌状态失败:', error);
      setTokenStatus(TokenStatus.FAILED);
    }
  };

  /**
   * 手动注册设备令牌
   */
  const registerToken = async () => {
    try {
      const success = await pushNotificationManager.registerDeviceToken();
      if (success) {
        await updateTokenStatus();
      }
      return success;
    } catch (error) {
      console.error('Hook: 注册设备令牌失败:', error);
      return false;
    }
  };

  /**
   * 获取当前设备令牌
   */
  const getCurrentToken = () => {
    return pushNotificationManager.getCurrentToken();
  };

  /**
   * 清除所有推送通知数据
   */
  const clearAllData = async () => {
    try {
      await pushNotificationManager.clearAllData();
      await updateTokenStatus();
      setIsInitialized(false);
    } catch (error) {
      console.error('Hook: 清除推送通知数据失败:', error);
    }
  };

  return {
    isInitialized,
    tokenStatus,
    isLoading,
    initializePushNotifications,
    registerToken,
    getCurrentToken,
    updateTokenStatus,
    clearAllData,
  };
}

/**
 * 推送通知状态描述
 */
export function getTokenStatusDescription(status: TokenStatus): string {
  switch (status) {
    case TokenStatus.UNKNOWN:
      return '状态未知';
    case TokenStatus.GRANTED:
      return '权限已授予，但未注册';
    case TokenStatus.DENIED:
      return '权限被拒绝';
    case TokenStatus.REGISTERED:
      return '设备令牌已注册';
    case TokenStatus.FAILED:
      return '初始化失败';
    default:
      return '未知状态';
  }
}

/**
 * 检查推送通知是否可用
 */
export function isPushNotificationAvailable(status: TokenStatus): boolean {
  return status === TokenStatus.REGISTERED || status === TokenStatus.GRANTED;
}