Interface for Strategy Design Pattern

BaseStrategy.kt

interface IBaseStrategy {
    fun isEnable(enable : Boolean)
}

interface IPendingStrategy : IBaseStrategy{
}
interface IErrorStrategy : IBaseStrategy{
    var OnReUpload : (result : Result)-> Unit
}
interface IManageStrategy : IBaseStrategy{
    var OnManage : (result : Result)-> Unit
}

Strategy.kt

when (getStatus(result)) {
            "Error" -> {
                errorStrategy.apply {
                    isEnable = true
                    OnReUpload = view.reUpload
                }
            }
            "Pending" -> {
                pendingStrategy.isEnable = true
            }
            else -> {
                manageStrategy.isEnable = true
                manageStrategy.OnManage = view.openManage
            }
  }

StrategyClasses.kt

class ManageStrategy : IManageStrategy {
    var isEnable = false
    var primaryTextColor = true
    var secondaryTextColor = false

    override lateinit var OnManage : (result : Result)-> Unit
    override fun isEnable(enableOrDisable: Boolean) {
        isEnable = enableOrDisable
    }
}
class PendingStrategy : IPendingStrategy {
    var isEnable = false
    var primaryTextColor = true
    var secondaryTextColor = true

    override fun isEnable(enableOrDisable: Boolean) {
        isEnable = enableOrDisable
    }
}
class ErrorStrategy : IErrorStrategy {
    var isEnable = false
    var primaryTextColor = false
    var secondaryTextColor = false

    override lateinit var OnReUpload : (result : Result)-> Unit
    override fun isEnable(enableOrDisable: Boolean) {
        isEnable = enableOrDisable
    }
}