tgbotapi/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/actions/BotAction.kt

package com.github.insanusmokrassar.TelegramBotAPI.types.actions

import kotlinx.serialization.*

private val actions = listOf(
    TypingAction,
    UploadPhotoAction,
    RecordVideoAction,
    UploadVideoAction,
    RecordAudioAction,
    UploadAudioAction,
    UploadDocumentAction,
    FindLocationAction
)

@Serializable(BotActionSerializer::class)
sealed class BotAction {
    abstract val actionName: String
}

@Serializer(BotAction::class)
class BotActionSerializer: KSerializer<BotAction> {
    override fun serialize(encoder: Encoder, obj: BotAction) {
        encoder.encodeString(obj.actionName)
    }

    override fun deserialize(decoder: Decoder): BotAction {
        val actionName = decoder.decodeString()
        return actions.firstOrNull { it.actionName == actionName } ?: throw IllegalStateException("Unknown action type: $actionName")
    }
}

/**
 * Use BotAction objects realisations to notify user about bot actions
 */

@Serializable(BotActionSerializer::class)
object TypingAction : BotAction() {
    override val actionName: String = "typing"
}

@Serializable(BotActionSerializer::class)
object UploadPhotoAction : BotAction() {
    override val actionName: String = "upload_photo"
}

@Serializable(BotActionSerializer::class)
object RecordVideoAction : BotAction() {
    override val actionName: String = "record_video"
}

@Serializable(BotActionSerializer::class)
object UploadVideoAction : BotAction() {
    override val actionName: String = "upload_video"
}

@Serializable(BotActionSerializer::class)
object RecordAudioAction : BotAction() {
    override val actionName: String = "record_audio"
}

@Serializable(BotActionSerializer::class)
object UploadAudioAction : BotAction() {
    override val actionName: String = "upload_audio"
}

@Serializable(BotActionSerializer::class)
object UploadDocumentAction : BotAction() {
    override val actionName: String = "upload_document"
}

@Serializable(BotActionSerializer::class)
object FindLocationAction : BotAction() {
    override val actionName: String = "find_location"
}