import 'package:inventory_app/utils.dart';

class Product {
  Unit? unit;
  Unit? purchaseUnit;
  String? code;
  String? name;
  int? id;
  int? version;
  String? productTypeSelect; // must be int, not String
  int? familleProduit; // will be sent as object {id: X}
  int? sousFamilleProduit; // same
  String? internalDescription; // custom logic (not Axelor default field)
  String? serialNumber;
  String? description;
  MetaFile? picture;
  String? procurementMethodSelect = 'buy';

  Product({
    this.unit,
    this.purchaseUnit,
    this.code,
    this.name,
    this.id,
    this.version,
    this.productTypeSelect, // use 0,1,2
    this.familleProduit,
    this.sousFamilleProduit,
    this.internalDescription,
    this.serialNumber,
    this.description,
    this.picture,
    this.procurementMethodSelect,
  });

  Product.fromJson(Map<String, dynamic> json) {
    unit = json['unit'] != null ? Unit.fromJson(json['unit']) : null;
    purchaseUnit =
        json['purchaseUnit'] != null
            ? Unit.fromJson(json['purchaseUnit'])
            : null;
    code = json['code'];
    name = json['name'];
    id = json['id'];
    version = json['version'];
    productTypeSelect = json['productTypeSelect'];
    familleProduit = json['familleProduit']?['id']; // Axelor wraps it in object
    sousFamilleProduit = json['sousFamilleProduit']?['id'];
    internalDescription = json['internalDescription'];
    serialNumber = json['serialNumber'];
    description = json['description'];
    picture =
        json['picture'] != null ? MetaFile.fromJson(json['picture']) : null;
    procurementMethodSelect = json['procurementMethodSelect'] ?? 'buy';
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = {};

    if (unit != null) {
      data['unit'] = unit!.toJson();
    }
    if (purchaseUnit != null) {
      data['purchaseUnit'] = purchaseUnit!.toJson();
    }
    if (code != null) data['code'] = code;
    if (name != null) data['name'] = name;
    if (id != null) data['id'] = id;
    if (version != null) data['version'] = version;

    if (productTypeSelect != null) {
      data['productTypeSelect'] = productTypeSelect; // ✅ must be int
    }

    // ✅ Axelor expects {"id": X}, NOT raw int
    if (familleProduit != null) {
      data['familleProduit'] = {'id': familleProduit};
    }
    if (sousFamilleProduit != null) {
      data['sousFamilleProduit'] = {'id': sousFamilleProduit};
    }

    data['internalDescription'] = internalDescription;
    data['serialNumber'] = serialNumber;
    data['description'] = description;
    data['procurementMethodSelect'] = procurementMethodSelect;

    return data;
  }

  @override
  String toString() {
    return 'Product{unit: $unit, code: $code, name: $name, id: $id, version: $version, productTypeSelect: $productTypeSelect, familleProduit: $familleProduit, sousFamilleProduit: $sousFamilleProduit, internalDescription: $internalDescription, serialNumber: $serialNumber, description: $description}';
  }

  /// 👇 Get full image URL (you can customize baseUrl to be from `AxelorClient.baseUrl`)
  String? get imageUrl {
    if (picture?.id != null) {
      return '${Utils.url}/ws/rest/com.axelor.meta.db.MetaFile/${picture!.id}/content/download';
    }
    return null;
  }
}

class Unit {
  String? name;
  int? id;
  int? version;

  Unit({this.name, this.id, this.version});

  Unit.fromJson(Map<String, dynamic> json) {
    name = json['name'];
    id = json['id'];
    version = json['version'];
  }

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

class MetaFile {
  String? fileName;
  int? id;
  int? version;

  MetaFile({this.fileName, this.id, this.version});

  MetaFile.fromJson(Map<String, dynamic> json) {
    fileName = json['fileName'];
    id = json['id'];
    version = json['$version'];
  }

  Map<String, dynamic> toJson() {
    return {'fileName': fileName, 'id': id, '\$version': version};
  }
}