module.exports = (sequelize, DataTypes) => {
    const NotificationTemplate = sequelize.define(
      "notification_templates",
      {
        id: {
          type: DataTypes.INTEGER,
          autoIncrement: true,
          primaryKey: true,
        },
        title: {
          type: DataTypes.STRING,
          allowNull: false,
        },
        template_code: {
          type: DataTypes.STRING,
          allowNull: false,
          unique: true,
        },
        subject: {
          type: DataTypes.STRING,
          allowNull: true,
        },
        body_html: {
          type: DataTypes.TEXT,
          allowNull: false,
        },
        placeholders: {
          type: DataTypes.JSON,
          allowNull: true,
        },
        is_active: {
          type: DataTypes.BOOLEAN,
          defaultValue: true,
        },
        created_at: {
          type: DataTypes.DATE,
          defaultValue: DataTypes.NOW,
        },
        updated_at: {
          type: DataTypes.DATE,
          allowNull: true,
        }
      },
      {
        tableName: "notification_templates",
        timestamps: false,
      }
    );
  
    return NotificationTemplate;
  };