// join/leave
(async function(){
    var webhook = new Discord.WebhookClient({url: config.webhooks.welcome, allowedMentions: {parse: []}});
    dClient.on('guildMemberAdd', async member => {
        if (member.guild.id != config.guildID) return;
        let username = member.user.username.toLowerCase().includes('clyde') ? member.user.username.replace(/C/g,'Q').replace(/c/g,'q') : member.user.username;
        webhook.send(`${member} joined.`, {username, avatarURL: member.user.displayAvatarURL({format:'png',size:2048})});
    });
    dClient.on('guildMemberRemove', async member => {
        if (member.guild.id != config.guildID) return;
        let username = member.user.username.toLowerCase().includes('clyde') ? member.user.username.replace(/C/g,'Q').replace(/c/g,'q') : member.user.username;
        webhook.send(`${member.user.tag} left.`, {username, avatarURL: member.user.displayAvatarURL({format:'png',size:2048})});
    });
})();


// view deleted channels
(async function(){
    dClient.on('voiceStateUpdate', async (oldState, newState) => {
        if (oldState.channelId != config.channels.view_deleted_channels && newState.channelId == config.channels.view_deleted_channels) {
            // member joined the channel
            newState.member.roles.add(config.roles.viewing_deleted_channels);
        } else if (oldState.channelId == config.channels.view_deleted_channels && newState.channelId != config.channels.view_deleted_channels) {
            // member left the channel
            newState.member.roles.remove(config.roles.viewing_deleted_channels);
        }
    });
})();


// arrange bots at bottom of list
(async function(){
    let prefix = "\u17b5";
    let onNick = async member => {
        if (member.guild.id != config.guildID) return;
        if (member.user.bot && !member.displayName.startsWith(prefix))
            await member.setNickname(`${prefix}${member.displayName}`.substring(0,32));
    };
    dClient.on('guildMemberAdd', onNick);
    dClient.on('guildMemberUpdate', async (oldMember, newMember) => {
        if (newMember.displayName != oldMember.displayName) await onNick(newMember);
    });
})();


// persistent emojis
dClient.on("emojiDelete", async emoji => {
    console.log("emoji deleted:", emoji.name, emoji.url);
    if (global.disableEmojiProtection) return;
    if (emoji.name.toLowerCase().includes('delete')) return;
    async function readdEmoji() {
        await emoji.guild.emojis.create(emoji.url, emoji.name);
        delete readdEmoji;
    }
    // re-add emoji in 5 to 10 minutes
    setTimeout(() => {
        if (readdEmoji) readdEmoji();
    }, 300000 + Math.random() * 300000);
    // wouldn't want emoji to be lost if process is stopped before timeout ends
    exitHook(callback => {
        if (readdEmoji) readdEmoji().then(() => callback());
        else callback();
    });
});


// allow anyone to pin a message via reaction
// todo need enable partials for it to work on old messages
dClient.on("messageReactionAdd", async (messageReaction) => {
    if (messageReaction.guild.id != config.guildID) return;
    if (messageReaction.emoji.name == "📌" || messageReaction.emoji.name == "📍")
        await messageReaction.message.pin();
});