import 'package:marco/model/inventory/requisition_item_model.dart';

class MaterialRequisition {
  int? mrId;
  String? title;
  int? projectId;
  String? projectName;
  String? status;
  String? createdBy;
  DateTime? createdAt;
  List<RequisitionItem>? items;

  // ✅ Add backward-compatible aliases
  int? get id => mrId;
  int? get requisitionId => mrId;

  MaterialRequisition({
    this.mrId,
    this.title,
    this.projectId,
    this.projectName,
    this.status,
    this.createdBy,
    this.createdAt,
    this.items,
  });

  factory MaterialRequisition.fromJson(Map<String, dynamic> json) {
    return MaterialRequisition(
      mrId: json['mrId'] ?? json['id'] ?? json['requisitionId'],
      title: json['title'],
      projectId: json['projectId'] is String
          ? int.tryParse(json['projectId'])
          : json['projectId'],
      projectName: json['projectName'],
      status: json['status'],
      createdBy: json['createdBy'],
      createdAt: json['createdAt'] != null
          ? DateTime.tryParse(json['createdAt'])
          : null,
      items: json['items'] != null
          ? (json['items'] as List)
              .map((e) => RequisitionItem.fromJson(e))
              .toList()
          : [],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'mrId': mrId,
      'title': title,
      'projectId': projectId,
      'projectName': projectName,
      'status': status,
      'createdBy': createdBy,
      'createdAt': createdAt?.toIso8601String(),
      'items': items?.map((e) => e.toJson()).toList(),
    };
  }
}

class Project {
  int? id;
  String? name;
  String? code;

  Project({this.id, this.name, this.code});

  factory Project.fromJson(Map<String, dynamic> json) {
    return Project(
      id: json['id'],
      name: json['name'] ?? json['projectName'],
      code: json['code'] ?? json['projectCode'],
    );
  }

  Map<String, dynamic> toJson() => {
        'id': id,
        'name': name,
        'code': code,
      };
}