part of '../app/app.dart';

class ApiClient {
  ApiClient({required this.baseUrl, this.token});

  final String baseUrl;
  final String? token;

  Uri _uri(String path, [Map<String, String>? query]) {
    final normalizedBase = normalizeBaseUrl(baseUrl);
    final base = Uri.parse(normalizedBase);
    return base.replace(
      path: '${base.path.replaceAll(RegExp(r'/$'), '')}/$path',
      queryParameters: query,
    );
  }

  Map<String, String> get _headers => {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    if (token != null) 'Authorization': 'Bearer $token',
  };

  Future<Map<String, dynamic>> post(
    String path,
    Map<String, dynamic> body,
  ) async {
    final response = await http.post(
      _uri(path),
      headers: _headers,
      body: jsonEncode(body),
    );
    return _decode(response);
  }

  Future<Map<String, dynamic>> get(
    String path, [
    Map<String, String>? query,
  ]) async {
    final response = await http.get(_uri(path, query), headers: _headers);
    return _decode(response);
  }

  Map<String, dynamic> _decode(http.Response response) {
    final decoded = response.body.isEmpty
        ? <String, dynamic>{}
        : jsonDecode(response.body);
    if (response.statusCode >= 200 && response.statusCode < 300) {
      return decoded is Map<String, dynamic> ? decoded : {'data': decoded};
    }
    final message = decoded is Map ? decoded['message'] : null;
    throw ApiException(message?.toString() ?? 'Koneksi ke server gagal.');
  }
}

class ApiException implements Exception {
  ApiException(this.message);
  final String message;
}