import com.benasher44.uuid.uuid4
import dev.inmo.kslog.common.KSLog
import dev.inmo.kslog.common.LogLevel
import dev.inmo.kslog.common.defaultMessageFormatter
import dev.inmo.kslog.common.setDefaultKSLog
import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
import dev.inmo.tgbotapi.extensions.api.bot.getMe
import dev.inmo.tgbotapi.extensions.api.bot.setMyCommands
import dev.inmo.tgbotapi.extensions.api.chat.get.getChat
import dev.inmo.tgbotapi.extensions.api.send.*
import dev.inmo.tgbotapi.extensions.api.send.polls.sendQuizPoll
import dev.inmo.tgbotapi.extensions.api.send.polls.sendRegularPoll
import dev.inmo.tgbotapi.extensions.behaviour_builder.telegramBotWithBehaviourAndLongPolling
import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.*
import dev.inmo.tgbotapi.extensions.utils.customEmojiTextSourceOrNull
import dev.inmo.tgbotapi.extensions.utils.extensions.parseCommandsWithArgsSources
import dev.inmo.tgbotapi.extensions.utils.extensions.raw.sender_chat
import dev.inmo.tgbotapi.extensions.utils.formatting.linkMarkdownV2
import dev.inmo.tgbotapi.extensions.utils.formatting.textMentionMarkdownV2
import dev.inmo.tgbotapi.extensions.utils.ifChannelChat
import dev.inmo.tgbotapi.extensions.utils.ifFromChannelGroupContentMessage
import dev.inmo.tgbotapi.types.*
import dev.inmo.tgbotapi.types.chat.*
import dev.inmo.tgbotapi.types.chat.GroupChat
import dev.inmo.tgbotapi.types.chat.PrivateChat
import dev.inmo.tgbotapi.types.chat.SupergroupChat
import dev.inmo.tgbotapi.types.message.MarkdownV2
import dev.inmo.tgbotapi.types.polls.*
import dev.inmo.tgbotapi.utils.*
import dev.inmo.tgbotapi.utils.extensions.escapeMarkdownV2Common
import kotlinx.coroutines.*
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import kotlin.random.Random

/**
 * This bot will answer with anonymous or public poll and send message on
 * updates of any of it.
 * 
 * * Use `/anonymous` to take anonymous regular poll
 * * Use `/public` to take public regular poll
 */
@OptIn(PreviewFeature::class)
suspend fun main(vararg args: String) {
    val botToken = args.first()
    val isDebug = args.any { it == "debug" }

    if (isDebug) {
        setDefaultKSLog(
            KSLog { level: LogLevel, tag: String?, message: Any, throwable: Throwable? ->
                println(defaultMessageFormatter(level, tag, message, throwable))
            }
        )
    }

    telegramBotWithBehaviourAndLongPolling(botToken, CoroutineScope(Dispatchers.IO)) {
        val me = getMe()

        val pollToChat = mutableMapOf<PollId, IdChatIdentifier>()
        val pollToChatMutex = Mutex()

        onCommand("anonymous", requireOnlyCommandInMessage = false) {
            val customEmoji = it.content.parseCommandsWithArgsSources()
                .toList()
                .firstOrNull { it.first.command == "anonymous" }
                ?.second
                ?.firstNotNullOfOrNull { it.customEmojiTextSourceOrNull() }
            val sentPoll = sendRegularPoll(
                it.chat.id,
                buildEntities {
                    regular("Test regular anonymous poll")
                    if (customEmoji != null) {
                        customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                    }
                },
                (1 .. 10).map {
                    InputPollOption {
                        regular(it.toString()) + " "
                        if (customEmoji != null) {
                            customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                        }
                    }
                },
                isAnonymous = true,
                replyParameters = ReplyParameters(it)
            )
            pollToChatMutex.withLock {
                pollToChat[sentPoll.content.poll.id] = sentPoll.chat.id
            }
        }

        onCommand("public", requireOnlyCommandInMessage = false) {
            val customEmoji = it.content.parseCommandsWithArgsSources()
                .toList()
                .firstOrNull { it.first.command == "public" }
                ?.second
                ?.firstNotNullOfOrNull { it.customEmojiTextSourceOrNull() }
            val sentPoll = sendRegularPoll(
                it.chat.id,
                buildEntities {
                    regular("Test regular non anonymous poll")
                    if (customEmoji != null) {
                        customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                    }
                },
                (1 .. 10).map {
                    InputPollOption {
                        regular(it.toString()) + " "
                        if (customEmoji != null) {
                            customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                        }
                    }
                },
                isAnonymous = false,
                replyParameters = ReplyParameters(it)
            )
            pollToChatMutex.withLock {
                pollToChat[sentPoll.content.poll.id] = sentPoll.chat.id
            }
        }

        onCommand("quiz", requireOnlyCommandInMessage = false) {
            val customEmoji = it.content.parseCommandsWithArgsSources()
                .toList()
                .firstOrNull { it.first.command == "quiz" }
                ?.second
                ?.firstNotNullOfOrNull { it.customEmojiTextSourceOrNull() }
            val correctAnswer = Random.nextInt(10)
            val sentPoll = sendQuizPoll(
                it.chat.id,
                questionEntities = buildEntities {
                    regular("Test quiz poll")
                    if (customEmoji != null) {
                        customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                    }
                },
                (1 .. 10).map {
                    InputPollOption {
                        regular(it.toString()) + " "
                        if (customEmoji != null) {
                            customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                        }
                    }
                },
                isAnonymous = false,
                replyParameters = ReplyParameters(it),
                correctOptionId = correctAnswer,
                explanationTextSources = buildEntities {
                    regular("Random solved it to be ") + underline((correctAnswer + 1).toString()) + " "
                    if (customEmoji != null) {
                        customEmoji(customEmoji.customEmojiId, customEmoji.subsources)
                    }
                }
            )
            pollToChatMutex.withLock {
                pollToChat[sentPoll.content.poll.id] = sentPoll.chat.id
            }
        }

        onPollAnswer {
            val chatId = pollToChat[it.pollId] ?: return@onPollAnswer

            when(it) {
                is PollAnswer.Public -> send(chatId, "[onPollAnswer] User ${it.user} have answered")
                is PollAnswer.Anonymous -> send(chatId, "[onPollAnswer] Chat ${it.voterChat} have answered")
            }
        }

        onPollUpdates {
            val chatId = pollToChat[it.id] ?: return@onPollUpdates

            when(it.isAnonymous) {
                false -> send(chatId, "[onPollUpdates] Public poll updated: ${it.options.joinToString()}")
                true -> send(chatId, "[onPollUpdates] Anonymous poll updated: ${it.options.joinToString()}")
            }
        }

        setMyCommands(
            BotCommand("anonymous", "Create anonymous regular poll"),
            BotCommand("public", "Create non anonymous regular poll"),
            BotCommand("quiz", "Create quiz poll with random right answer"),
        )

        allUpdatesFlow.subscribeSafelyWithoutExceptions(this) { println(it) }
    }.second.join()
}