import 'package:flutter_test/flutter_test.dart';
import 'package:agenda_tasks/features/auth/data/models/token_model.dart';

void main() {
  group('TokenModel', () {
    group('constructor', () {
      test('should create TokenModel with required fields', () {
        const token = TokenModel(
          accessToken: 'access-token-123',
          refreshToken: 'refresh-token-456',
        );

        expect(token.accessToken, 'access-token-123');
        expect(token.refreshToken, 'refresh-token-456');
        expect(token.tokenType, 'bearer');
      });

      test('should create TokenModel with custom tokenType', () {
        const token = TokenModel(
          accessToken: 'access-token-123',
          refreshToken: 'refresh-token-456',
          tokenType: 'custom',
        );

        expect(token.tokenType, 'custom');
      });
    });

    group('fromJson', () {
      test('should parse complete JSON correctly', () {
        final json = {
          'access_token': 'access-token-123',
          'refresh_token': 'refresh-token-456',
          'token_type': 'bearer',
        };

        final token = TokenModel.fromJson(json);

        expect(token.accessToken, 'access-token-123');
        expect(token.refreshToken, 'refresh-token-456');
        expect(token.tokenType, 'bearer');
      });

      test('should default tokenType to bearer when null', () {
        final json = {
          'access_token': 'access-token-123',
          'refresh_token': 'refresh-token-456',
          'token_type': null,
        };

        final token = TokenModel.fromJson(json);

        expect(token.tokenType, 'bearer');
      });

      test('should default tokenType to bearer when missing', () {
        final json = {
          'access_token': 'access-token-123',
          'refresh_token': 'refresh-token-456',
        };

        final token = TokenModel.fromJson(json);

        expect(token.tokenType, 'bearer');
      });

      test('should parse different token types', () {
        final json = {
          'access_token': 'access-token-123',
          'refresh_token': 'refresh-token-456',
          'token_type': 'Bearer',
        };

        final token = TokenModel.fromJson(json);

        expect(token.tokenType, 'Bearer');
      });
    });

    group('toJson', () {
      test('should serialize to JSON correctly', () {
        const token = TokenModel(
          accessToken: 'access-token-123',
          refreshToken: 'refresh-token-456',
          tokenType: 'bearer',
        );

        final json = token.toJson();

        expect(json['access_token'], 'access-token-123');
        expect(json['refresh_token'], 'refresh-token-456');
        expect(json['token_type'], 'bearer');
      });

      test('should include default tokenType in JSON', () {
        const token = TokenModel(
          accessToken: 'access-token-123',
          refreshToken: 'refresh-token-456',
        );

        final json = token.toJson();

        expect(json['token_type'], 'bearer');
      });
    });

    group('round-trip serialization', () {
      test('should maintain data after fromJson -> toJson', () {
        final originalJson = {
          'access_token': 'access-token-123',
          'refresh_token': 'refresh-token-456',
          'token_type': 'bearer',
        };

        final token = TokenModel.fromJson(originalJson);
        final resultJson = token.toJson();

        expect(resultJson['access_token'], originalJson['access_token']);
        expect(resultJson['refresh_token'], originalJson['refresh_token']);
        expect(resultJson['token_type'], originalJson['token_type']);
      });
    });
  });
}
