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

module.exports = {
  data: new SlashCommandBuilder()
    .setName("profile")
    .setDescription("View your AeThex profile in Discord")
    .addUserOption(option =>
      option.setName('user')
        .setDescription('User to view profile of')
        .setRequired(false)
    ),

  async execute(interaction, supabase) {
    if (!supabase) {
      return interaction.reply({ content: "This feature requires Supabase to be configured.", ephemeral: true });
    }
    await interaction.deferReply();

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

    try {
      const { data: link } = await supabase
        .from("discord_links")
        .select("user_id, primary_arm")
        .eq("discord_id", targetUser.id)
        .single();

      if (!link) {
        const embed = new EmbedBuilder()
          .setColor(0xff6b6b)
          .setTitle("❌ Not Linked")
          .setThumbnail(targetUser.displayAvatarURL({ size: 256 }))
          .setDescription(
            targetUser.id === interaction.user.id
              ? "You must link your Discord account to AeThex first.\nUse `/verify` to get started."
              : `${targetUser.tag} hasn't linked their Discord account to AeThex yet.`
          );

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

      const { data: profile } = await supabase
        .from("user_profiles")
        .select("*")
        .eq("id", link.user_id)
        .single();

      if (!profile) {
        const embed = new EmbedBuilder()
          .setColor(0xff6b6b)
          .setTitle("❌ Profile Not Found")
          .setDescription("The AeThex profile could not be found.");

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

      const armEmojis = {
        labs: "🧪",
        gameforge: "🎮",
        corp: "💼",
        foundation: "🤝",
        devlink: "💻",
      };

      const armColors = {
        labs: 0x22c55e,
        gameforge: 0xf97316,
        corp: 0x3b82f6,
        foundation: 0xec4899,
        devlink: 0x8b5cf6,
      };

      const xp = profile.xp || 0;
      const prestige = profile.prestige_level || 0;
      const level = Math.floor(Math.sqrt(xp / 100));
      const currentLevelXp = level * level * 100;
      const nextLevelXp = (level + 1) * (level + 1) * 100;
      const progressXp = xp - currentLevelXp;
      const neededXp = nextLevelXp - currentLevelXp;
      const progressPercent = Math.min(100, Math.floor((progressXp / neededXp) * 100));

      const progressBar = createProgressBar(progressPercent);
      const prestigeInfo = getPrestigeInfo(prestige);

      const badges = profile.badges || [];
      const badgeDisplay = badges.length > 0 
        ? badges.map(b => getBadgeEmoji(b)).join(' ')
        : 'No badges yet';

      // Validate avatar URL - must be http/https, not base64
      let avatarUrl = targetUser.displayAvatarURL({ size: 256 });
      if (profile.avatar_url && profile.avatar_url.startsWith('http')) {
        avatarUrl = profile.avatar_url;
      }

      const embed = new EmbedBuilder()
        .setColor(armColors[link.primary_arm] || 0x7c3aed)
        .setAuthor({ 
          name: `${profile.full_name || profile.username || 'AeThex User'}`, 
          iconURL: targetUser.displayAvatarURL({ size: 64 })
        })
        .setThumbnail(avatarUrl)
        .setDescription(profile.bio || '*No bio set*')
        .addFields(
          {
            name: "👤 Username",
            value: `\`${profile.username || 'N/A'}\``,
            inline: true,
          },
          {
            name: `${armEmojis[link.primary_arm] || "⚔️"} Realm`,
            value: capitalizeFirst(link.primary_arm) || "Not set",
            inline: true,
          },
          {
            name: "📊 Role",
            value: formatRole(profile.user_type),
            inline: true,
          },
          {
            name: `${prestigeInfo.icon} Prestige`,
            value: prestige > 0 ? `**${prestigeInfo.name}** (P${prestige}) +${prestige * 5}% XP` : 'Not prestiged',
            inline: true,
          },
          {
            name: `📈 Level ${level}`,
            value: `${progressBar}\n\`${xp.toLocaleString()}\` / \`${nextLevelXp.toLocaleString()}\` XP`,
            inline: false,
          },
          {
            name: "🏆 Badges",
            value: badgeDisplay,
            inline: false,
          }
        )
        .addFields({
          name: "🔗 Links",
          value: `[View Full Profile](https://aethex.dev/creators/${profile.username}) • [AeThex Platform](https://aethex.dev)`,
        })
        .setFooter({ 
          text: `AeThex | ${targetUser.tag}`,
          iconURL: 'https://aethex.dev/favicon.ico'
        })
        .setTimestamp();

      if (profile.banner_url) {
        embed.setImage(profile.banner_url);
      }

      await interaction.editReply({ embeds: [embed] });
    } catch (error) {
      console.error("Profile command error:", error);
      const embed = new EmbedBuilder()
        .setColor(0xff0000)
        .setTitle("❌ Error")
        .setDescription("Failed to fetch profile. Please try again.");

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

function createProgressBar(percent) {
  const filled = Math.floor(percent / 10);
  const empty = 10 - filled;
  return `${'▓'.repeat(filled)}${'░'.repeat(empty)} ${percent}%`;
}

function capitalizeFirst(str) {
  if (!str) return str;
  return str.charAt(0).toUpperCase() + str.slice(1);
}

function formatRole(role) {
  if (!role) return 'Member';
  return role.split('_').map(capitalizeFirst).join(' ');
}

function getBadgeEmoji(badge) {
  const badgeMap = {
    'verified': '✅',
    'founder': '👑',
    'early_adopter': '🌟',
    'contributor': '💎',
    'creator': '🎨',
    'developer': '💻',
    'moderator': '🛡️',
    'partner': '🤝',
    'premium': '💫',
    'top_poster': '📝',
    'helpful': '❤️',
    'bug_hunter': '🐛',
    'event_winner': '🏆',
  };
  return badgeMap[badge] || `[${badge}]`;
}

function getPrestigeInfo(level) {
  const prestiges = [
    { name: 'Unprestiged', icon: '⚪', color: 0x6b7280 },
    { name: 'Bronze', icon: '🥉', color: 0xcd7f32 },
    { name: 'Silver', icon: '🥈', color: 0xc0c0c0 },
    { name: 'Gold', icon: '🥇', color: 0xffd700 },
    { name: 'Platinum', icon: '💎', color: 0xe5e4e2 },
    { name: 'Diamond', icon: '💠', color: 0xb9f2ff },
    { name: 'Master', icon: '🔥', color: 0xff4500 },
    { name: 'Grandmaster', icon: '⚔️', color: 0x9400d3 },
    { name: 'Champion', icon: '👑', color: 0xffd700 },
    { name: 'Legend', icon: '🌟', color: 0xff69b4 },
    { name: 'Mythic', icon: '🌈', color: 0x7c3aed }
  ];
  return prestiges[Math.min(level, 10)] || prestiges[0];
}