const { DataTypes, Model } = require("sequelize");
const sequelize = require("../../config/sequelize");

class Category extends Model { }

const CategoryModel = () => {
    Category.init(
        {
            id: {
                autoIncrement: true,
                type: DataTypes.INTEGER,
                allowNull: false,
                primaryKey: true
            },
            name: {
                type: DataTypes.STRING(255),
                allowNull: false
            },
            parentId: {
                type: DataTypes.INTEGER,
                allowNull: true
            }
        },
        {
            sequelize,
            tableName: 'category',
            timestamps: true,
            indexes: [
                {
                    name: "PRIMARY",
                    unique: true,
                    using: "BTREE",
                    fields: [
                        { name: "id" },
                    ]
                },
            ]
        }
    );

    Category.prototype.toJSONFor = function () {
        return {
            id: this.id,
            name: this.name,
            parentId: this.parentId
        };
    };

    return Category;
};

module.exports = CategoryModel;