const { SlashCommandBuilder, EmbedBuilder, PermissionsBitField } = require('discord.js');

module.exports = {
    data: new SlashCommandBuilder()
        .setName('roleinfo')
        .setDescription('Provides information about the targetted role.')
        .addRoleOption(option =>
            option
                .setName('role')
                .setDescription('Which role are you checking?')
                .setRequired(true))
        .setDMPermission(false),
    async execute(interaction) {
        const role = interaction.options.getRole('role');

        const role_color = role.hexColor !== '#000000' ? role.hexColor : '#99aab5';
        const role_color_url_safe = role_color.toString().replace('#', '');
        const formattedCreationDate = `<t:${Math.floor(role.createdTimestamp / 1000)}>`;

        let managed = role.managed ? 'True' : 'False';
        let managed_description = '';
        if (managed == 'True') {
            if (role.tags.botId) {
                managed_description += `\n**Management Type:** Managed Bot Role\n**Managed By:** <@${String(role.tags.botId)}>`;
            } else if (role.tags.premiumSubscriberRole) {
                managed_description += '\n**Management Type:** Nitro Booster Role';
            } else if (role.tags.guildConnections) {
                managed_description += '\n**Management Type:** Guild Connections Role';
            } else if (role.tags.availableForPurchase) {
                managed_description += '\n**Management Type:** Subscription Role';
            }
        }
        managed += managed_description;

        const embed = new EmbedBuilder()
            .setColor(role_color)
            .setTitle(role.name)
            .setDescription(`**ID:** ${role.id}\n**Mention:** ${role}\n**Creation Date:** ${formattedCreationDate}\n**Color:** [${role_color}](https://www.color-hex.com/color/${role_color_url_safe})\n**Hoisted:** ${role.hoist ? 'True' : 'False'}\n**Position:** ${role.position}\n **Managed:** ${managed}\n**Mentionable:** ${role.mentionable ? 'True' : 'False'}\n**Administrator:** ${role.permissions.has([PermissionsBitField.Flags.Administrator]) ? 'True' : 'False'}`);

        if (role.icon) {
            embed.setThumbnail(role.iconURL());
        } else if (role.unicodeEmoji) {
            embed.setThumbnail(await fetchTwemoji(role.unicodeEmoji));
        }

        await interaction.reply({ embeds: [embed], ephemeral: true });
    },
};

async function fetchTwemoji(unicodeEmoji) {
    const base_url = 'https://cdn.jsdelivr.net/gh/jdecked/twemoji@latest/assets/72x72/';
    const emojiCodepoint = unicodeEmoji.split('').map(char => char.charCodeAt(0).toString(16)).join('-');
    const segments = emojiCodepoint.split('-');
    const validSegments = segments.filter(seg => seg.length >= 4);
    const emojiUrl = `${base_url}${validSegments[0]}.png`;
    return emojiUrl;
}