module.exports = (sequelize, DataTypes) => {
  const Isic4DigitIndices = sequelize.define("isic_4digit_indices", {
    id: {
      type: DataTypes.INTEGER,
      autoIncrement: true,
      primaryKey: true,
    },
    isic_4digit_code: {
      type: DataTypes.STRING,
      allowNull: false,
    },
    isic_description: {
      type: DataTypes.STRING,
      allowNull: true,
      validate: {
        len: {
          args: [0, 1000],
          msg: "Description is too long. Maximum allowed length is 1000 characters."
        }}
    },
    year: {
      type: DataTypes.INTEGER,
      allowNull: false,
    },
    month: {
      type: DataTypes.INTEGER,
      allowNull: false,
    },
    month_name: {
      type: DataTypes.STRING,
      allowNull: false,
    },
    total_weight: {
      type: DataTypes.DECIMAL(10, 2),
      allowNull: false,
    },
    weighted_index_sum: {
      type: DataTypes.DECIMAL(10, 4),
      allowNull: false,
    },
    isic_4digit_index: {
      type: DataTypes.DECIMAL(10, 2),
      allowNull: false,
    },
    created_at: {
      type: DataTypes.DATE,
      defaultValue: DataTypes.NOW,
    },
    updated_at: {
      type: DataTypes.DATE,
      allowNull: true,
    },
  }, {
    tableName: "isic_4digit_indices",
    timestamps: false,
  });

  return Isic4DigitIndices;
};