//THIS IS THE MODEL TO BE INHERITED FROM 
//THIS SHOULD NOT BE IMPORTED BY SEQUELIZE

export default function(sequelize, Sequelize) {
  return {
    definition: {
      // define inheritted model properties to be inheritted here
      id: Sequelize.INTEGER,
      related_model_id: Sequelize.INTEGER
    },
    options: {
      //hooks always return promises
      hooks: {
        beforeDestroy(instance, option) {
          return instance.models.anotherModel.destroy({
            where: {
              id: instance.related_model_id
            }
          })
        }
      },
      classMethods: {
        //association relies on context, not pass in models
        associate: function(){
          const {models} = this.sequelize
          this.belongsTo(models.anotherModel)
        }
      }
    }
  }
}