Giveaway Start

const ms = require('ms');

exports.run = async (client, message, args) => {

    // If the member doesn't have enough permissions
    if(!message.member.hasPermission('MANAGE_MESSAGES')){
        return message.channel.send(':x: You need to have the manage messages permissions to start giveaways.');
    }

    // Giveaway channel
    let giveawayChannel = message.mentions.channels.first();
    // If no channel is mentionned
    if(!giveawayChannel){
        return message.channel.send(':x: You have to mention a valid channel!');
    }

    // Giveaway duration
    let giveawayDuration = args[1];
    // If the duration isn't valid
    if(!giveawayDuration || isNaN(ms(giveawayDuration))){
        return message.channel.send(':x: You have to specify a valid duration!');
    }

    // Number of winners
    let giveawayNumberWinners = args[2];
    // If the specified number of winners is not a number
    if(isNaN(giveawayNumberWinners)){
        return message.channel.send(':x: You have to specify a valid number of winners!');
    }

    // Giveaway prize
    let giveawayPrize = args.slice(3).join(' ');
    // If no prize is specified
    if(!giveawayPrize){
        return message.channel.send(':x: You have to specify a valid prize!');
    }

    // Start the giveaway
client.giveawaysManager.start(message.channel, {
    time: ms(giveawayDuration),
    prize: args.slice(2).join(" "),
    winnerCount: parseInt(args[1]),
    messages: {
        giveaway: "🎉🎉 **GIVEAWAY** 🎉🎉",
        giveawayEnded: "🎉🎉 **GIVEAWAY ENDED** 🎉🎉",
        timeRemaining: "Time remaining: **{duration}**!",
        inviteToParticipate: "React with 🎉 to participate!",
        winMessage: "Congratulations, {winners}! You won **{prize}**!",
        embedFooter: "Giveaways",
        noWinner: "Giveaway cancelled, no valid participations.",
        winners: "winner(s)",
        endedAt: "Ended at",
        units: {
            seconds: "seconds",
            minutes: "minutes",
            hours: "hours",
            days: "days",
            pluralS: false // Not needed, because units end with a S so it will automatically removed if the unit value is lower than 2
        }
    }
});

    message.channel.send(`Giveaway started in ${giveawayChannel}!`);

};