import { VoiceState } from "discord.js";
import { v4 as uuid } from "uuid";
import { jellyfinHandler } from "../..";
import { UserUpsertResult } from "../jellyfin/handler";
import { logger } from "../logger";


export const name = 'voiceStateUpdate'

export async function execute(oldState: VoiceState, newState: VoiceState) {

    try {
        logger.info(JSON.stringify(newState, null, 2))
        //ignore events like mute/unmute
        if(newState.channel?.id === oldState.channel?.id) {
            logger.info("Not handling VoiceState event because channelid of old and new was the same (i.e. mute/unmute event)")
            return
        }

        const scheduledEvents = (await newState.guild.scheduledEvents.fetch())
            .filter((key) => key.description?.toLowerCase().includes("!wp") && key.isActive())
            .map((key) => key)

        const scheduledEventUsers = (await Promise.all(scheduledEvents.map(event => event.fetchSubscribers({withMember: true}))))

        //Dont handle users, that are already subscribed to the event. We only want to handle unsubscribed users here
        let userFound = false;
        scheduledEventUsers.forEach(collection => {
            collection.each(key => {
                logger.info(JSON.stringify(key, null, 2))
                if(key.member.user.id === newState.member?.user.id)
                    userFound = true;
            })
        })
        if(userFound) {
            logger.info(`Not handling VoiceState event because user was already subscribed and got an account from there. User: ${JSON.stringify(newState.member, null, 2)}`)
            return
        }


        if (scheduledEvents.find(event => event.channelId === newState.channelId)) {
            if(newState.member){
                logger.info("YO! Da ist jemand dem Channel mit dem Event beigetreten, ich kümmer mich mal um nen Account!")
                const result = await jellyfinHandler.upsertUser(newState.member, "TEMPORARY", uuid())
                if (result === UserUpsertResult.created) {
                    newState.member.createDM().then(channel => channel.send(`Hey! Du bist unserer Watchparty beigetreten, ich hab dir gerade die Zugangsdaten für den Mediaserver geschickt!`))
                } else {
                    newState.member.createDM().then(channel => channel.send(`Hey! Du bist unserer Watchparty beigetreten aber du hast bereits einen Account. Falls du ein neues Passwort brauchst nutze /reset_passwort!`))
                }
            } else {
                logger.error("WTF? Expected Member?? When doing things")
            }
        } else {
            logger.info("VoiceState channelId was not the id of any channel with events")
        }
    }catch(error){
        logger.error(error)
    }
}