module.exports = (sequelize, DataTypes) => {
  const availability = sequelize.define(
    "availability",
    {
      id: {
        type: DataTypes.INTEGER,
        primaryKey: true,
        autoIncrement: true,
      },
      user_id: {
        type: DataTypes.INTEGER,
        allowNull: true,
      },
      day_of_week: {
        type: DataTypes.INTEGER,
        allowNull: false,
      },
      start_time: {
        type: DataTypes.TIME,
        allowNull: false,
      },
      end_time: {
        type: DataTypes.TIME,
        allowNull: false,
      },
      created_at: DataTypes.DATE,
      updated_at: DataTypes.DATE,
    },
    {
      timestamps: true,
      freezeTableName: true,
      tableName: "availability",
    }
  );
  return availability;
};