/// Submissions Remote Data Source
///
/// Handles remote API calls for project submissions.
library;

import 'package:worker/core/constants/api_constants.dart';
import 'package:worker/core/network/dio_client.dart';
import 'package:worker/features/projects/data/models/project_status_model.dart';
import 'package:worker/features/projects/data/models/project_submission_model.dart';

/// Submissions Remote Data Source
///
/// Interface for remote project submission operations.
abstract class SubmissionsRemoteDataSource {
  /// Fetch project status list from API
  Future<List<ProjectStatusModel>> getProjectStatusList();

  /// Fetch all submissions from remote API
  Future<List<ProjectSubmissionModel>> getSubmissions({
    int limitStart = 0,
    int limitPageLength = 0,
  });
}

/// Submissions Remote Data Source Implementation
///
/// Uses Frappe API endpoints for project submissions.
class SubmissionsRemoteDataSourceImpl implements SubmissionsRemoteDataSource {
  const SubmissionsRemoteDataSourceImpl(this._dioClient);

  final DioClient _dioClient;

  /// Get project status list
  ///
  /// Calls: POST /api/method/building_material.building_material.api.project.get_project_status_list
  /// Body: { "limit_start": 0, "limit_page_length": 0 }
  /// Returns: List of project statuses with labels and colors
  @override
  Future<List<ProjectStatusModel>> getProjectStatusList() async {
    try {
      final response = await _dioClient.post<Map<String, dynamic>>(
        '${ApiConstants.frappeApiMethod}${ApiConstants.getProjectStatusList}',
        data: <String, dynamic>{
          'limit_start': 0,
          'limit_page_length': 0,
        },
      );

      final data = response.data;
      if (data == null) {
        throw Exception('No data received from getProjectStatusList API');
      }

      // API returns: { "message": [...] }
      final message = data['message'];
      if (message == null) {
        throw Exception('No message field in getProjectStatusList response');
      }

      final List<dynamic> statusList = message as List<dynamic>;
      return statusList
          .map((json) =>
              ProjectStatusModel.fromJson(json as Map<String, dynamic>))
          .toList();
    } catch (e) {
      throw Exception('Failed to get project status list: $e');
    }
  }

  /// Get list of project submissions
  ///
  /// Calls: POST /api/method/building_material.building_material.api.project.get_list
  /// Body: { "limit_start": 0, "limit_page_length": 0 }
  /// Returns: List of project submissions
  @override
  Future<List<ProjectSubmissionModel>> getSubmissions({
    int limitStart = 0,
    int limitPageLength = 0,
  }) async {
    try {
      final response = await _dioClient.post<Map<String, dynamic>>(
        '${ApiConstants.frappeApiMethod}${ApiConstants.getProjectList}',
        data: {
          'limit_start': limitStart,
          'limit_page_length': limitPageLength,
        },
      );

      final data = response.data;
      if (data == null) {
        throw Exception('No data received from getProjectList API');
      }

      // API returns: { "message": [...] }
      final message = data['message'];
      if (message == null) {
        throw Exception('No message field in getProjectList response');
      }

      final List<dynamic> submissionsList = message as List<dynamic>;
      return submissionsList
          .map((json) =>
              ProjectSubmissionModel.fromJson(json as Map<String, dynamic>))
          .toList();
    } catch (e) {
      throw Exception('Failed to get project submissions: $e');
    }
  }
}