import { SlashCommandBuilder, EmbedBuilder } from 'discord.js';
import { withConn } from '../db/pool.js';

export const data = new SlashCommandBuilder()
  .setName('profile')
  .setDescription('Show XP profile')
  .addUserOption(o =>
    o.setName('user').setDescription('User to view')
  );

export async function execute(interaction) {
  if (!interaction.guildId)
    return interaction.reply({
      content: 'Guild only command.',
      ephemeral: true,
    });

  const target = interaction.options.getUser('user') || interaction.user;

  const data = await withConn(async conn => {
    const rows = await conn.query(
      'SELECT xp FROM user_xp WHERE guild_id = ? AND user_id = ? LIMIT 1',
      [BigInt(interaction.guildId), BigInt(target.id)]
    );

    const xp = Number(rows[0]?.xp ?? 0);

    const rankRows = await conn.query(
      'SELECT COUNT(*) AS ahead FROM user_xp WHERE guild_id = ? AND xp > ?',
      [BigInt(interaction.guildId), xp]
    );

    const rank = Number(rankRows[0]?.ahead ?? 0) + 1;

    return { xp, rank };
  });

  const XP_PER_LEVEL = 500; // match visual example
  const level = Math.floor(data.xp / XP_PER_LEVEL);
  const currentLevelXp = data.xp % XP_PER_LEVEL;
  const progress = Math.min(
    100,
    Math.round((currentLevelXp / XP_PER_LEVEL) * 1000) / 10
  );

  const embed = new EmbedBuilder()
    .setAuthor({
      name: `${target.username}'s Profile`,
      iconURL: target.displayAvatarURL(),
    })
    .setColor(0x5865f2)
    .setDescription(`Progress to next level: **${progress}%**`)
    .addFields(
      { name: '🏅 Level', value: `${level}`, inline: true },
      { name: '💎 XP', value: `${currentLevelXp} / ${XP_PER_LEVEL}`, inline: true },
      { name: '🏆 Rank', value: `#${data.rank}`, inline: true }
    )
    .setFooter({
      text: `Server: ${interaction.guild?.name || 'Unknown'}`,
    })
    .setTimestamp();

  await interaction.reply({
    embeds: [embed],
    allowedMentions: { parse: [] },
  });
}