const { PermissionFlagsBits } = require("discord.js");
const ms = require("ms");

module.exports = {
    name: "mute",
    description: "Mutes (timeouts) a user for a specified duration.",
    async execute(message, args) {
        try {
            // ✅ Check if the user running the command has "Timeout Members" permission
            if (!message.member.permissions.has(PermissionFlagsBits.ModerateMembers)) {
                return message.reply("❌ You do not have permission to timeout members!");
            }

            // ✅ Get bot's member object and check its permissions
            const botMember = await message.guild.members.fetchMe();
            if (!botMember.permissions.has(PermissionFlagsBits.ModerateMembers)) {
                return message.reply("❌ I need the 'Timeout Members' permission to mute users!");
            }

            // ✅ Ensure a user is provided (mention or ID)
            if (!args[0]) {
                return message.reply("❌ Please provide a user mention or ID to mute!");
            }

            const target =
                message.mentions.members.first() ||
                await message.guild.members.fetch(args[0]).catch(() => null);

            if (!target) {
                return message.reply("❌ Invalid user! Please mention a valid user or provide their ID.");
            }

            // ✅ Ensure a duration was provided
            if (!args[1]) {
                return message.reply("❌ Please specify a duration (e.g., `1s`, `5m`, `2h`, `4d`).");
            }

            // ✅ Extract the time argument (ignores case sensitivity)
            let timeArg = args[1].toLowerCase();

            // ✅ If only a number is given, assume minutes
            if (!isNaN(timeArg)) {
                timeArg = `${timeArg}m`; // Default to minutes if no unit is provided
            }

            const timeMs = ms(timeArg);

            // ✅ Validate the parsed time
            if (!timeMs || timeMs < 1000) { // Minimum timeout: 1 second
                return message.reply("❌ Invalid time format! Example: `1s`, `30s`, `5m`, `2h`, `7d`.");
            }

            // ✅ Ensure the time does not exceed Discord’s max timeout (28 days)
            const maxTimeout = 2419200000; // 28 days in milliseconds
            if (timeMs > maxTimeout) {
                return message.reply("❌ You cannot mute someone for more than 28 days!");
            }

            // ✅ Ensure the bot can actually mute (timeout) the user
            if (!target.moderatable) {
                return message.reply("❌ I can't timeout this user! They might have a higher role than me.");
            }

            // ✅ Check role hierarchy
            if (target.roles.highest.position >= botMember.roles.highest.position) {
                return message.reply("❌ I can't timeout this user because their role is equal to or higher than mine.");
            }

            // ✅ Apply the timeout
            await target.timeout(timeMs, `Muted by ${message.author.tag}`);
            return message.reply(`✅ **${target.user.tag}** has been muted (timed out) for **${ms(timeMs, { long: true })}**.`);
        } catch (error) {
            console.error("Mute command error:", error);
            return message.reply("❌ Failed to mute (timeout) the user!");
        }
    }
};