module.exports = (sequelize, DataTypes) => {
    const Product = sequelize.define("products", {
      id: {
        type: DataTypes.INTEGER,
        autoIncrement: true,
        primaryKey: true,
      },
      product_name: {
        type: DataTypes.STRING,
        allowNull: false,
        unique: true,
      },
      hs_code: {
        type: DataTypes.INTEGER,
        allowNull: true,
        unique: true,
      },
      hs_description: {
        type: DataTypes.TEXT,
        allowNull: true,
      },
      unit_id: {
        type: DataTypes.INTEGER,
        allowNull: true,
      },
      is_active: {
        type: DataTypes.BOOLEAN,
        defaultValue: true,
      },
      created_at: {
        type: DataTypes.DATE,
        defaultValue: DataTypes.NOW,
      },
      created_by: {
        type: DataTypes.INTEGER,
        allowNull: false,
      },
      updated_at: {
        type: DataTypes.DATE,
        allowNull: true,
      },
      updated_by: {
        type: DataTypes.INTEGER,
        allowNull: true,
      },
    }, {
      tableName: "products",
      timestamps: false,
    });

    Product.associate = (models) => {

      Product.hasMany(models.EstablishmentProduct, {
        foreignKey: "product_id",
        as: "establishment_products",
      });

      Product.hasMany(models.SubmissionProduct, {
        foreignKey: "product_id",
        as: "submission_products",
      });

      Product.belongsTo(models.UnitMaster, {
        foreignKey: "unit_id",
        as: "unit",
      });

    };
  
    return Product;
  };