const { SlashCommandBuilder, PermissionFlagsBits, EmbedBuilder } = require('discord.js');
const db = require('../../functions/database/db.js');
const { parseDuration, formatDuration } = require('../../utils/helpers');

module.exports = {
	category: 'moderation',
	data: new SlashCommandBuilder()
		.setName('changemute')
		.setDescription('Changer le temps ou la raison d\'un mute.')
		.addUserOption(option =>
			option.setName('user')
				.setDescription('Le membre concerné')
				.setRequired(true))
		.addStringOption(option =>
			option.setName('time')
				.setDescription('Nouvelle durée du mute (ex: 5m, 1h, 1d)')
				.setRequired(false))
		.addStringOption(option =>
			option.setName('reason')
				.setDescription('Nouvelle raison du mute')
				.setRequired(false))
		.setDefaultMemberPermissions(PermissionFlagsBits.ModerateMembers),

	async execute(interaction) {
		const target = interaction.options.getUser('user');
		const newTime = interaction.options.getString('time');
		const newReason = interaction.options.getString('reason');

		await interaction.deferReply({ ephemeral: true });

		if (!target) {
			return interaction.editReply({ content: '❌ Aucun utilisateur spécifié !' });
		}

		const member = await interaction.guild.members.fetch(target.id).catch(() => null);
		if (!member) {
			return interaction.editReply({ content: '❌ Cet utilisateur n\'est pas sur le serveur.' });
		}

		if (!newTime && !newReason) {
			return interaction.editReply({ content: '❌ Tu dois spécifier au moins une nouvelle durée ou une nouvelle raison.' });
		}

		// Récupérer le mute actuel depuis la DB
		const [muteRows] = await db.query(
			'SELECT * FROM mutes WHERE userId = ? AND guildId = ?',
			[target.id, interaction.guild.id]
		);

		if (!muteRows.length && !member.communicationDisabledUntil) {
			return interaction.editReply({ content: '❌ Cet utilisateur n\'est pas muté.' });
		}

		const currentMute = muteRows[0];
		const oldReason = currentMute?.reason || 'N/A';
		const oldUnmuteDate = currentMute?.unmuteDate || null;

		try {
			let newUnmuteDate = oldUnmuteDate;
			let newDurationMs = null;
			let durationText = 'Non modifié';

			// Si nouvelle durée spécifiée
			if (newTime) {
				newDurationMs = parseDuration(newTime);
				if (!newDurationMs) {
					return interaction.editReply({ content: '❌ Durée invalide. Utilise un format comme: 5m, 1h, 2d (max 28 jours).' });
				}

				const maxDuration = 28 * 24 * 60 * 60 * 1000;
				if (newDurationMs > maxDuration) {
					return interaction.editReply({ content: '❌ La durée maximum est de 28 jours.' });
				}

				newUnmuteDate = Date.now() + newDurationMs;
				durationText = formatDuration(newDurationMs);

				// Mettre à jour le timeout
				const durationSeconds = Math.floor(newDurationMs / 1000);
				await member.timeout(durationSeconds * 1000, `Mute modifié par ${interaction.user.tag}: ${newReason || oldReason}`);
			}

			// Mettre à jour la DB
			const finalReason = newReason || oldReason;
			const type = newUnmuteDate && newUnmuteDate > Date.now() ? 'Temporary' : 'Permanent';

			if (currentMute) {
				await db.query(
					'UPDATE mutes SET reason = ?, modId = ?, modTag = ?, timestamp = ?, unmuteDate = ?, type = ? WHERE userId = ? AND guildId = ?',
					[finalReason, interaction.user.id, interaction.user.tag, Date.now(), newUnmuteDate, type, target.id, interaction.guild.id]
				);
			} else {
				await db.query(
					`INSERT INTO mutes (userId, guildId, reason, modId, modTag, timestamp, unmuteDate, type)
					 VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
					[target.id, interaction.guild.id, finalReason, interaction.user.id, interaction.user.tag, Date.now(), newUnmuteDate, type]
				);
			}

			// Log dans la DB
			const changeLog = [];
			if (newTime) changeLog.push(`Durée: ${formatDuration(newDurationMs)}`);
			if (newReason) changeLog.push(`Raison: ${oldReason} → ${newReason}`);
			const changeReason = changeLog.join(', ');

			await db.query(
				`INSERT INTO logs (userId, userTag, modId, modTag, action, reason, type, guildId, timestamp)
				 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
				[target.id, target.tag, interaction.user.id, interaction.user.tag, 'Modification de mute', changeReason, type, interaction.guild.id, Date.now()]
			);

			const { colors, emojis } = require('../../utils/constants');
			const { sendLog } = require('../../utils/helpers');

			const embed = new EmbedBuilder()
				.setTitle(`${emojis.success} Mute Modifié`)
				.setColor(colors.success)
				.setThumbnail(target.displayAvatarURL({ dynamic: true }))
				.addFields(
					{ name: '👤 Utilisateur', value: `<@${target.id}> (${target.tag})`, inline: true },
					{ name: '🔧 Modérateur', value: `<@${interaction.user.id}> (${interaction.user.tag})`, inline: true },
					{ name: '⏰ Nouvelle durée', value: durationText, inline: true },
					{ name: '📝 Ancienne raison', value: oldReason, inline: false },
					{ name: '📝 Nouvelle raison', value: finalReason, inline: false }
				)
				.setFooter({ text: `ID: ${target.id}` })
				.setTimestamp();

			if (newUnmuteDate) {
				embed.addFields({ name: '📅 Démute le', value: `<t:${Math.floor(newUnmuteDate / 1000)}:F>`, inline: true });
			}

			await interaction.editReply({ embeds: [embed] });

			// Envoyer un message privé à l'utilisateur
			try {
				const dmEmbed = new EmbedBuilder()
					.setTitle(`${emojis.info} Ton mute a été modifié`)
					.setColor(colors.info)
					.setDescription(`Ton mute sur **${interaction.guild.name}** a été modifié`)
					.addFields(
						{ name: '⏰ Durée', value: durationText, inline: true },
						{ name: '📝 Raison', value: finalReason, inline: false }
					)
					.setFooter({ text: interaction.guild.name, iconURL: interaction.guild.iconURL({ dynamic: true }) })
					.setTimestamp();
				await target.send({ embeds: [dmEmbed] });
			} catch {
				// L'utilisateur a les DMs fermés, on continue
			}

			// Log dans le canal de logs
			const logEmbed = new EmbedBuilder()
				.setTitle(`${emojis.success} Modification de Mute`)
				.setColor(colors.success)
				.addFields(
					{ name: '👤 Utilisateur', value: `<@${target.id}> (${target.tag})`, inline: true },
					{ name: '🔧 Modérateur', value: `<@${interaction.user.id}> (${interaction.user.tag})`, inline: true },
					{ name: '📝 Modifications', value: changeReason, inline: false },
					{ name: '📅 Date', value: `<t:${Math.floor(Date.now() / 1000)}:F>`, inline: true }
				)
				.setFooter({ text: `ID: ${target.id} | Serveur: ${interaction.guild.name}` })
				.setTimestamp();
			await sendLog(interaction.guild, { embeds: [logEmbed] });

		} catch (err) {
			console.error('Erreur lors de la modification du mute:', err);
			await interaction.editReply({ content: `❌ Échec de la modification du mute: ${err.message}` });
		}
	},
};