import 'dart:convert';

import 'package:get/get.dart';
import 'package:encrypt_shared_preferences/provider.dart';
import 'package:http/http.dart' as http;

import 'package:f0ckapp/controller/media_controller.dart';

class AuthController extends GetxController {
  final EncryptedSharedPreferencesAsync storage =
      EncryptedSharedPreferencesAsync.getInstance();
  final MediaController mediaController = Get.find<MediaController>();

  RxnString token = RxnString();
  RxnInt userId = RxnInt();
  RxnString avatarUrl = RxnString();
  RxnString username = RxnString();

  @override
  void onInit() {
    super.onInit();
    loadToken();
  }

  Future<void> loadToken() async {
    token.value = await storage.getString('token');
    if (token.value != null) {
      await fetchUserInfo();
    }
  }

  Future<void> saveToken(String newToken) async {
    token.value = newToken;
    await storage.setString('token', newToken);
    await fetchUserInfo();
  }

  Future<void> logout() async {
    if (token.value != null) {
      try {
        await http.post(
          Uri.parse('https://api.f0ck.me/logout'),
          headers: {
            'Authorization': 'Bearer ${token.value}',
            'Content-Type': 'application/json',
          },
        );
        await mediaController.loadMediaItems();
        mediaController.mediaItems.refresh();
      } catch (e) {
        //
      }
    }
    token.value = null;
    userId.value = null;
    avatarUrl.value = null;
    username.value = null;
    await storage.remove('token');
  }

  Future<bool> login(String username, String password) async {
    final http.Response response = await http.post(
      Uri.parse('https://api.f0ck.me/login'),
      headers: {'Content-Type': 'application/json'},
      body: json.encode({'username': username, 'password': password}),
    );
    if (response.statusCode == 200) {
      final dynamic data = json.decode(response.body);
      if (data['token'] != null) {
        await saveToken(data['token']);
        await mediaController.loadMediaItems();
        mediaController.mediaItems.refresh();
        return true;
      }
    }
    return false;
  }

  Future<void> fetchUserInfo() async {
    if (token.value == null) return;
    final http.Response response = await http.get(
      Uri.parse('https://api.f0ck.me/login/check'),
      headers: {'Authorization': 'Bearer ${token.value}'},
    );
    if (response.statusCode == 200) {
      final dynamic data = json.decode(response.body);
      userId.value = data['userid'] != null
          ? int.parse(data['userid'].toString())
          : null;
      avatarUrl.value = data['avatar'] != null
          ? 'https://f0ck.me/t/${data['avatar']}.webp'
          : null;
      username.value = data['user'];
    } else {
      await logout();
    }
  }
}