/// Project Submission Request Model
///
/// Request model for creating/updating project submissions via API.
/// Based on API: building_material.building_material.api.project.save
library;

import 'package:intl/intl.dart';

/// Project Submission Request
///
/// Used to create or update project submissions.
class ProjectSubmissionRequest {
  /// Project ID (optional for new, required for update)
  final String? name;

  /// Project name/title (API: designed_area)
  final String designedArea;

  /// Project address (API: address_of_project)
  final String addressOfProject;

  /// Project owner name (API: project_owner)
  final String projectOwner;

  /// Design firm name (API: design_firm)
  final String? designFirm;

  /// Construction contractor name (API: contruction_contractor)
  final String? contractionContractor;

  /// Design area in m² (API: design_area)
  final double designArea;

  /// Products included in the design (API: products_included_in_the_design)
  final String productsIncludedInTheDesign;

  /// Project progress ID from ProjectProgress.id (API: project_progress)
  final String projectProgress;

  /// Expected commencement date (API: expected_commencement_date)
  final DateTime? expectedCommencementDate;

  /// Project description (API: description)
  final String? description;

  /// Request date (API: request_date)
  final DateTime? requestDate;

  const ProjectSubmissionRequest({
    this.name,
    required this.designedArea,
    required this.addressOfProject,
    required this.projectOwner,
    this.designFirm,
    this.contractionContractor,
    required this.designArea,
    required this.productsIncludedInTheDesign,
    required this.projectProgress,
    this.expectedCommencementDate,
    this.description,
    this.requestDate,
  });

  /// Convert to JSON for API request
  Map<String, dynamic> toJson() {
    final dateFormat = DateFormat('yyyy-MM-dd');
    final dateTimeFormat = DateFormat('yyyy-MM-dd HH:mm:ss');

    return {
      if (name != null) 'name': name,
      'designed_area': designedArea,
      'address_of_project': addressOfProject,
      'project_owner': projectOwner,
      if (designFirm != null) 'design_firm': designFirm,
      if (contractionContractor != null)
        'contruction_contractor': contractionContractor,
      'design_area': designArea,
      'products_included_in_the_design': productsIncludedInTheDesign,
      'project_progress': projectProgress,
      if (expectedCommencementDate != null)
        'expected_commencement_date': dateFormat.format(expectedCommencementDate!),
      if (description != null) 'description': description,
      'request_date': dateTimeFormat.format(requestDate ?? DateTime.now()),
    };
  }

  /// Create a copy with updated fields
  ProjectSubmissionRequest copyWith({
    String? name,
    String? designedArea,
    String? addressOfProject,
    String? projectOwner,
    String? designFirm,
    String? contractionContractor,
    double? designArea,
    String? productsIncludedInTheDesign,
    String? projectProgress,
    DateTime? expectedCommencementDate,
    String? description,
    DateTime? requestDate,
  }) {
    return ProjectSubmissionRequest(
      name: name ?? this.name,
      designedArea: designedArea ?? this.designedArea,
      addressOfProject: addressOfProject ?? this.addressOfProject,
      projectOwner: projectOwner ?? this.projectOwner,
      designFirm: designFirm ?? this.designFirm,
      contractionContractor: contractionContractor ?? this.contractionContractor,
      designArea: designArea ?? this.designArea,
      productsIncludedInTheDesign:
          productsIncludedInTheDesign ?? this.productsIncludedInTheDesign,
      projectProgress: projectProgress ?? this.projectProgress,
      expectedCommencementDate:
          expectedCommencementDate ?? this.expectedCommencementDate,
      description: description ?? this.description,
      requestDate: requestDate ?? this.requestDate,
    );
  }
}