package com.suno.android.common_data.repos.orpheus

import com.suno.android.common_core_utils.Id
import com.suno.android.common_data.mappers.clips.SongListData
import com.suno.android.common_data.mappers.projects.BaseProjectMetadata
import com.suno.android.common_data.repos.orpheus.models.OrpheusMessage

sealed class OrpheusSessionEvent {
    /**
     * Add a message to the current session.
     */
    data class AddMessage(
        val message: OrpheusMessage,
    ) : OrpheusSessionEvent()

    /**
     * Update a specific message via a transform function.
     * If clipIdsToFetch is provided, the repository will fetch those clips and update the message.
     */
    data class UpdateMessage(
        val messageId: Id<OrpheusMessage>,
        val transform: (OrpheusMessage) -> OrpheusMessage,
        val clipIdsToFetch: Set<Id<SongListData>>? = null,
    ) : OrpheusSessionEvent()

    /**
     * Update the project for the session.
     */
    data class UpdateProject(
        val project: BaseProjectMetadata?,
    ) : OrpheusSessionEvent()

    /**
     * No operation - indicates the event was processed but no state change is needed.
     */
    data object NoOp : OrpheusSessionEvent()
}