import 'dart:convert';
import 'package:frontend/utils/auth_utils.dart';
import 'package:http/http.dart' as http;
import '../../config/apiUrl.dart';


class ApiService {

  Future<List<dynamic>> fetchCountryList() async {

    final String apiUrldata = '$apiUrl/api/getcountryMaster';
    final token = await getToken();

    if (token == null) {
      throw Exception('Token not found. Please log in.');
    }

    final response = await http.get(
      Uri.parse(apiUrldata),
      headers: {
        'Authorization': 'Bearer $token',
        'Content-Type': 'application/json',
      },
    );

    if (response.statusCode == 200) {
      try {
        final data = json.decode(response.body);
        print("Country - $data");

        if (!data.containsKey('data') || data['data'] is! List) {
          throw Exception("Invalid response format: 'data' field is missing or not a List");
        }

        return data['data'];
      } catch (e) {
        throw Exception('Error parsing response: $e');
      }
    } else {
      throw Exception('Failed to load country list');
    }
  }

  Future<List<dynamic>> fetchUsers() async {
    final String apiUrlData = '$apiUrl/api/users';
    final String? token = await getToken();

    print("Fetch Users");
    print("TOEKRWE: $token");

    if (token == null) {
      throw Exception('Token not found. Please log in.');
    }

    final response = await http.get(
      Uri.parse(apiUrlData),
      headers: {
        'Authorization': 'Bearer $token',
        'Content-Type': 'application/json',
      },
    );

    if (response.statusCode == 200) {
      final data = json.decode(response.body);
      return data['data']; // Returning raw JSON list
    } else {
      throw Exception('Failed to load users');
    }
  }


  Future<List> fetchCostCenter() async {
    final String apiUrldata = '$apiUrl/api/getCostCenterMaster';

    final token = await getToken();

    final userId = await getUserId();

    // print("SUSRTRT- $userId");
    //
    if (token == null) {
      throw Exception('Token not found. Please log in.');
    }

    final response = await http.get(
      Uri.parse(apiUrldata),
      headers: {
        'Authorization': 'Bearer $token',
        'Content-Type': 'application/json',
      },
    );

    if (response.statusCode == 200) {
      try {
        final data = json.decode(response.body);
        print(data);

        if (!data.containsKey('data') || data['data'] is!List) {
          throw Exception("Invalid response format: 'data' field is missing or not a List");
        }

        List <dynamic> plansJson = data['data']; // 'data' is a Map, not a List
        // setState(() {
        //   apiCostData = plansJson; // Store API response in state
          // if(apiCostData!.isNotEmpty){
          //   selectedCostCenterId =apiCostData?.first['department_id'];
          // }

          // if (apiCostData != null && apiCostData!.isNotEmpty) {
          //   selectedCostCenterId ??= apiCostData!.first['department_id']?.toString();
          // }
        // });

        print('plansJSON');

        return plansJson;


      } catch (e) {
        throw Exception('Error parsing response: $e');
      }
    } else {
      throw Exception('Failed to load plans');
    }
  }

  Future<Map<String, dynamic>> fetchMasterDropdown() async {
    final String apiUrldata = '$apiUrl/api/getDropdownMaster';

    final token = await getToken();

    if (token == null) {
      throw Exception('Token not found. Please log in.');
    }

    final response = await http.get(
      Uri.parse(apiUrldata),
      headers: {
        'Authorization': 'Bearer $token',
        'Content-Type': 'application/json',},);

    if (response.statusCode == 200) {
      try {
        final data = json.decode(response.body);
        print(data);
        if (!data.containsKey('data') || data['data'] is! Map) {
          throw Exception("Invalid response format: 'data' field is missing or not a Map");
        }

        Map<String, dynamic> plansJson = data['data']; // 'data' is a Map, not a List

        return plansJson;

      } catch (e) {
        throw Exception('Error parsing response: $e');
      }
    } else {
      throw Exception('Failed to load plans');
    }
  }


}