// /warns — Verwarnungs-Historie eines Members einsehen / Eintrag löschen (Moderatoren)
import { SlashCommandBuilder, PermissionFlagsBits, MessageFlags, EmbedBuilder } from 'discord.js';
import { warnsOf, deleteWarn } from '../../db.js';
import { brandColor } from '../../runtime-settings.js';

export const data = new SlashCommandBuilder()
    .setName('warns')
    .setDescription('Verwarnungen eines Members anzeigen (oder eine löschen)')
    .setDefaultMemberPermissions(PermissionFlagsBits.ModerateMembers)
    .addUserOption((o) => o.setName('member').setDescription('Wessen Verwarnungen?').setRequired(true))
    .addIntegerOption((o) => o.setName('loeschen').setDescription('Optional: Verwarnungs-ID entfernen'));

export async function execute(interaction) {
    const user = interaction.options.getUser('member');
    const removeId = interaction.options.getInteger('loeschen');

    if (removeId) {
        const removed = deleteWarn(removeId);
        await interaction.reply({
            content: removed ? `🗑️ Verwarnung #${removeId} entfernt.` : `❌ Verwarnung #${removeId} nicht gefunden.`,
            flags: MessageFlags.Ephemeral,
        });
        return;
    }

    const warns = warnsOf(user.id);
    if (warns.length === 0) {
        await interaction.reply({ content: `✅ **${user.username}** hat keine Verwarnungen.`, flags: MessageFlags.Ephemeral });
        return;
    }

    const lines = warns
        .slice(-15)
        .map((w) => `\`#${w.id}\` ${w.created_at.slice(0, 10)} — ${w.reason} *(${w.moderator ?? '—'})*`);
    await interaction.reply({
        embeds: [
            new EmbedBuilder()
                .setColor(brandColor())
                .setTitle(`⚠️ Verwarnungen: ${user.username} (${warns.length})`)
                .setDescription(lines.join('\n'))
                .setFooter({ text: 'Löschen: /warns member:<user> loeschen:<ID>' }),
        ],
        flags: MessageFlags.Ephemeral,
    });
}