import { useState, useEffect, useCallback } from 'react';
import { appBridge } from '@/utils/appBridge';
import { DeviceInfo, ShareContent } from '@/types';
import { LoginResponse } from '@/entities/user/model/types';

interface UseAppBridgeReturn {
  isNativeEnvironment: boolean;
  isAndroid: boolean;
  isIOS: boolean;
  deviceInfo: DeviceInfo | null;
  
  // 네비게이션
  navigateBack: () => Promise<void>;
  navigateTo: (path: string) => Promise<void>;
  navigateToLogin: () => Promise<void>;
  closeWebView: () => Promise<void>;
  
  // 알림
  showToast: (message: string, duration?: number) => Promise<void>;
  showAlert: (title: string, message: string) => Promise<void>;
  showConfirm: (title: string, message: string) => Promise<boolean>;
  
  // 저장소
  setStorage: (key: string, value: unknown) => Promise<void>;
  // getStorage: <T = unknown>(key: string) => Promise<T | null>;
  removeStorage: (key: string) => Promise<void>;
  
  /*
  // 미디어
  openCamera: (options?: { quality?: number; allowEdit?: boolean }) => Promise<string>;
  openGallery: (options?: { multiple?: boolean; maxCount?: number }) => Promise<string[]>;
  
  // 위치
  getLocation: (options?: { enableHighAccuracy?: boolean; timeout?: number }) => Promise<LocationInfo>;
  
  // 연락처
  getContacts: () => Promise<ContactInfo[]>;
  */
  // 공유
  shareContent: (content: ShareContent) => Promise<void>;

  // 로그아웃
  logout: () => Promise<void>;

  // 토큰 요청
  requestToken: () => Promise<LoginResponse>;
  requestRefreshToken: () => Promise<any>;

  // 간편 인증 등록
  registerBiometric: () => Promise<void>;

  // 간편 인증 등록 팝업 열기
  openBiometricRegistrationPopup: () => Promise<boolean>;
  // 간편 인증 등록 팝업 닫기
  closeBiometricRegistrationPopup: () => Promise<void>;

  // 푸시 알림 권한 확인
  isPushNotificationEnabled: () => Promise<boolean>;

  // 앱 설정 화면 열기
  openAppSettings: () => Promise<void>;
}

export const useAppBridge = (): UseAppBridgeReturn => {
  const [deviceInfo, setDeviceInfo] = useState<DeviceInfo | null>(null);
  
  const isNativeEnvironment = appBridge.isNativeEnvironment();
  const isAndroid = appBridge.isAndroid();
  const isIOS = appBridge.isIOS();

  useEffect(() => {
    if (isNativeEnvironment) {
      appBridge.safeCall(
        () => appBridge.getDeviceInfo(),
        undefined,
        (error) => console.warn('Failed to get device info:', error)
      ).then(info => {
        if (info) setDeviceInfo(info);
      });
    }
  }, [isNativeEnvironment]);

  const navigateBack = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      window.history.back();
      return;
    }
    return appBridge.safeCall(() => appBridge.navigateBack());
  }, [isNativeEnvironment]);

  const navigateTo = useCallback(async (path: string): Promise<void> => {
    if (!isNativeEnvironment) {
      window.location.href = path;
      return;
    }
    return appBridge.safeCall(() => appBridge.navigateTo(path));
  }, [isNativeEnvironment]);

  const closeWebView = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      window.close();
      return;
    }
    return appBridge.safeCall(() => appBridge.closeWebView());
  }, [isNativeEnvironment]);

  const navigateToLogin = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      // 웹 환경에서는 로그인 페이지로 이동
      window.location.href = '/login';
      return;
    }
    // 네이티브 환경에서는 로그인 화면으로 이동
    return appBridge.safeCall(() => appBridge.navigateTo('/login'));
  }, [isNativeEnvironment]);

  const showToast = useCallback(async (message: string, duration = 3000): Promise<void> => {
    if (!isNativeEnvironment) {
      // 웹 환경에서는 간단한 토스트 메시지 구현
      const toast = document.createElement('div');
      toast.className = 'fixed top-4 right-4 bg-gray-800 text-white px-4 py-2 rounded-md z-50 animate-fade-in';
      toast.textContent = message;
      document.body.appendChild(toast);
      
      setTimeout(() => {
        document.body.removeChild(toast);
      }, duration);
      return;
    }
    return appBridge.safeCall(() => appBridge.showToast(message, duration));
  }, [isNativeEnvironment]);

  const showAlert = useCallback(async (title: string, message: string): Promise<void> => {
    if (!isNativeEnvironment) {
      alert(`${title}\n\n${message}`);
      return;
    }
    return appBridge.safeCall(() => appBridge.showAlert(title, message));
  }, [isNativeEnvironment]);

  const showConfirm = useCallback(async (title: string, message: string): Promise<boolean> => {
    if (!isNativeEnvironment) {
      return confirm(`${title}\n\n${message}`);
    }
    const result = await appBridge.safeCall(() => appBridge.showConfirm(title, message), false);
    return result || false;
  }, [isNativeEnvironment]);

  const setStorage = useCallback(async (key: string, value: unknown): Promise<void> => {
    if (!isNativeEnvironment) {
      localStorage.setItem(key, JSON.stringify(value));
      return;
    }
    return appBridge.safeCall(() => appBridge.setStorage(key, value));
  }, [isNativeEnvironment]);

  const removeStorage = useCallback(async (key: string): Promise<void> => {
    if (!isNativeEnvironment) {
      localStorage.removeItem(key);
      return;
    }
    return appBridge.safeCall(() => appBridge.removeStorage(key));
  }, [isNativeEnvironment]);

  const logout = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      throw new Error('Logout is only available in native environment');
    }
    return appBridge.safeCall(() => appBridge.logout());
  }, [isNativeEnvironment]);

  const requestToken = useCallback(async (): Promise<any> => {
    if (!isNativeEnvironment) {
      throw new Error('Token request is only available in native environment');
    }
    return appBridge.safeCall(() => appBridge.requestToken());
  }, [isNativeEnvironment]);

  const requestRefreshToken = useCallback(async (): Promise<any> => {
    if (!isNativeEnvironment) {
      throw new Error('Token refresh request is only available in native environment');
    }
    return appBridge.safeCall(() => appBridge.requestRefreshToken());
  }, [isNativeEnvironment]);

  const registerBiometric = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      throw new Error('Biometric auth is only available in native environment');
    }
    return appBridge.safeCall(() => appBridge.registerBiometric());
  }, [isNativeEnvironment]);

  const openBiometricRegistrationPopup = useCallback(async (): Promise<boolean> => {
    if (!isNativeEnvironment) {
      return false;
    }
    const result = await appBridge.safeCall(() => appBridge.openBiometricRegistrationPopup(), false);
    return result || false;
  }, [isNativeEnvironment]);

  const closeBiometricRegistrationPopup = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      return;
    }
    return appBridge.safeCall(() => appBridge.closeBiometricRegistrationPopup());
  }, [isNativeEnvironment]);
  
  const shareContent = useCallback(async (content: ShareContent): Promise<void> => {
    if (!isNativeEnvironment) {
      // 웹 환경에서는 Web Share API 사용 (지원되는 경우)
      if (navigator.share) {
        try {
          await navigator.share({
            title: content.title,
            text: content.text,
            ...(content.url && { url: content.url })
          });
          return;
        } catch (error) {
          console.warn('Web Share API failed:', error);
        }
      }

      // 폴백: 클립보드에 복사
      const shareText = `${content.title}\n${content.text}${content.url ? `\n${content.url}` : ''}`;
      if (navigator.clipboard) {
        await navigator.clipboard.writeText(shareText);
        alert('클립보드에 복사되었습니다.');
      } else {
        throw new Error('Sharing is not supported');
      }
      return;
    }

    return appBridge.safeCall(() => appBridge.shareContent(content));
  }, [isNativeEnvironment]);

  const isPushNotificationEnabled = useCallback(async (): Promise<boolean> => {
    if (!isNativeEnvironment) {
      return true;
    }
    const result = await appBridge.safeCall(() => appBridge.isPushNotificationEnabled(), false);
    return result || false;
  }, [isNativeEnvironment]);

  const openAppSettings = useCallback(async (): Promise<void> => {
    if (!isNativeEnvironment) {
      return;
    }
    return appBridge.safeCall(() => appBridge.openAppSettings());
  }, [isNativeEnvironment]);

  return {
    isNativeEnvironment,
    isAndroid,
    isIOS,
    deviceInfo,
    navigateBack,
    navigateTo,
    navigateToLogin,
    closeWebView,
    showToast,
    showAlert,
    showConfirm,
    setStorage,
    removeStorage,
    shareContent,
    logout,
    requestToken,
    requestRefreshToken,
    registerBiometric,
    openBiometricRegistrationPopup,
    closeBiometricRegistrationPopup,
    isPushNotificationEnabled,
    openAppSettings
  };
}; 