import 'package:flutter/foundation.dart';
import '../../core/error/exceptions.dart';
import '../../core/network/api_client.dart';
import '../dto/theme_response_dto.dart';

abstract class ThemeRemoteDataSource {
  Future<ThemeDataDto> getTheme();
}

class ThemeRemoteDataSourceImpl implements ThemeRemoteDataSource {
  final ApiClient apiClient;

  ThemeRemoteDataSourceImpl({required this.apiClient});

  @override
  Future<ThemeDataDto> getTheme() async {
    try {
      debugPrint('[ThemeDataSource] Calling GET /Theme (with auth)...');

      final res = await apiClient.get('/Theme'); // ✅ no custom headers

      debugPrint('[ThemeDataSource] Status: ${res.statusCode}');
      debugPrint('[ThemeDataSource] Data: ${res.data}');

      if (res.statusCode == 200) {
        final dto = ThemeResponseDto.fromJson(
          Map<String, dynamic>.from(res.data),
        );

        if (dto.isSuccess && dto.data != null) {
          debugPrint('[ThemeDataSource] ✅ logo = ${dto.data!.logo}');
          return dto.data!;
        }

        throw ServerException(message: dto.message ?? 'Theme request failed');
      }

      throw ServerException(
        message: 'Theme request failed (code ${res.statusCode})',
      );
    } on ServerException {
      rethrow;
    } catch (e, stack) {
      debugPrint('[ThemeDataSource] ❌ Exception: $e');
      debugPrint('[ThemeDataSource] ❌ Stack: $stack');
      throw ServerException(message: e.toString());
    }
  }
}