import 'dart:convert';

import 'package:http/http.dart' as http;
import 'package:flutter_secure_storage/flutter_secure_storage.dart';

import 'package:f0ckapp/models/mediaitem_model.dart';
import 'package:f0ckapp/models/suggestion_model.dart';

final FlutterSecureStorage storage = FlutterSecureStorage();

Future<List<MediaItem>> fetchMedia({
  int? older,
  String? type,
  int? mode,
  bool? random,
  String? tag,
}) async {
  final Uri url = Uri.parse('https://api.f0ck.me/items/get').replace(
    queryParameters: {
      'type': type ?? 'image',
      'mode': (mode ?? 0).toString(),
      'random': (random! ? 1 : 0).toString(),
      if (tag != null) 'tag': tag,
      if (older != null) 'older': older.toString(),
    },
  );

  final response = await http.get(url);
  if (response.statusCode == 200) {
    final List<dynamic> jsonList = jsonDecode(response.body);
    return jsonList.map((item) => MediaItem.fromJson(item)).toList();
  } else {
    throw Exception('Fehler beim Abrufen der Medien: ${response.statusCode}');
  }
}

Future<MediaItem> fetchMediaDetail(int itemId) async {
  final Uri url = Uri.parse('https://api.f0ck.me/item/${itemId.toString()}');

  final response = await http.get(url);
  if (response.statusCode == 200) {
    final Map<String, dynamic> jsonResponse = jsonDecode(response.body);

    return MediaItem.fromJson(jsonResponse);
  } else {
    throw Exception(
      'Fehler beim Abrufen der Media-Details: ${response.statusCode}',
    );
  }
}

Future<List<Suggestion>> fetchSuggestions(String query) async {
  final Uri uri = Uri.parse(
    'https://f0ck.me/api/v2/admin/tags/suggest?q=$query',
  ); // wip: new route in pyapi
  final response = await http.get(uri);

  if (response.statusCode == 200) {
    final Map<String, dynamic> decoded = jsonDecode(response.body);
    if (decoded['success'] == true && decoded.containsKey('suggestions')) {
      final List<dynamic> suggestionsList = decoded['suggestions'];
      return suggestionsList
          .map(
            (dynamic jsonItem) =>
                Suggestion.fromJson(jsonItem as Map<String, dynamic>),
          )
          .toList()
        ..sort(
          (Suggestion a, Suggestion b) =>
              (b.score * b.tagged).compareTo(a.score * a.tagged),
        );
    } else {
      throw Exception('Nichts gefunden.');
    }
  } else {
    throw Exception(
      'Fehler beim Abrufen der Vorschläge: ${response.statusCode}',
    );
  }
}

Future<bool> login(String username, String password) async {
  final Uri url = Uri.parse('https://api.f0ck.me/login');

  final response = await http.post(
    url,
    body: {'username': username, 'password': password},
  );

  if (response.statusCode == 200) {
    final dynamic data = jsonDecode(response.body);
    final dynamic token = data['token'];

    await storage.write(key: "token", value: token);

    return true;
  } else {
    return false;
  }
}