package wf.servitor.common

import wf.servitor.common.workflow.Workflow
import java.io.Serializable
import java.util.*

sealed class Event : Serializable {
    data class Task(
        override val workflow: Workflow,
        val context: Map<String, Any?> = mapOf(),
        override val flow: String = "entry",
        override val path: List<Int> = listOf(0),
        val dispatchedValues: List<Any?> = listOf(),
        override val id: UUID = UUID.randomUUID()
    ) : Event(), TaskLike


    data class Relay(
        val service: String,
        val method: String,
        val arguments: List<Any?>,
        val task: Task,
        val id: UUID = UUID.randomUUID()
    ) : Event()

    data class TaskUpdate(
        val task: TaskLike,
        val status: String
    ) : Event()


    interface TaskLike : Serializable {
        val id: UUID
        val workflow: Workflow
        val flow: String
        val path: List<Int>
    }
}