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

import 'package:frontend/model/quote.dart';

class QuoteRepository {
  static final String _realApiBaseUrl = 'https://hlaskovnik-reimagined-latest.onrender.com';
  //static final String _testApiBaseUrl = 'http://localhost:8080';
  static final String _apiBaseUrl = _realApiBaseUrl;
  static final String _apiKey = "2ogD5kc4sw3JVZoouQSV0w3LGRjSj5IjVFnAnk7IRCIK0ktONCeoOYinbNLSIHuU";
  static final String _quotesEndpoint = '/quotes';

  Future<List<Quote>> readQuotes() async {
    final url = Uri.parse(_apiBaseUrl+_quotesEndpoint);
    final headers = {
      'Authorization' : 'Bearer $_apiKey',
      'Content-Type': 'application/json',
    };
    final response = await http.get(url, headers: headers);
    if (response.statusCode == 200) {
      final List data = jsonDecode(response.body);
      return data.map((json) => Quote.fromJson(json)).toList();
    } else {
      throw Exception('failed to read quotes from database');
    }
  }

  Future<Quote> createQuote(Quote quote) async {
    final url = Uri.parse(_apiBaseUrl+_quotesEndpoint);
    final body = jsonEncode({'author' : quote.author, 'body' : quote.body});
    final headers = {
      'Authorization' : 'Bearer $_apiKey',
      'Content-Type': 'application/json',
    };
    final response = await http.post(url, body: body, headers: headers);
    if (response.statusCode == 200 || response.statusCode == 201) {
      return Quote.fromJson(jsonDecode(response.body));
    } else {
      throw Exception('failed to add quote to database');
    }
  }

  Future<Quote> updateQuote(Quote quote) async {
    final url = Uri.parse('$_apiBaseUrl$_quotesEndpoint/${quote.id}');
    final body = jsonEncode({'body' : quote.body, 'author' : quote.author});
    final headers = {
      'Authorization' : 'Bearer $_apiKey',
      'Content-Type': 'application/json',
    };
    final response = await http.put(url, body: body, headers: headers);
    
    if (response.statusCode == 200) {
      return Quote.fromJson(jsonDecode(response.body));
    }
    
    if (response.statusCode == 204) {
      return quote;
    }

    throw Exception('failed to update quote in database');
  }

  Future<void> deleteQuote(Quote quote) async {
    final url = Uri.parse('$_apiBaseUrl$_quotesEndpoint/${quote.id}');
    final headers = {
      'Authorization' : 'Bearer $_apiKey',
      'Content-Type': 'application/json',
    };
    final response = await http.delete(url, headers: headers);
    if (response.statusCode == 200 || response.statusCode == 204) {
      return;
    }
    throw Exception('failed to delete quote from database');
  }
}