import type { PublicProfileResponse } from "@elysium/types";
import { useEffect, useState } from "react";
import { useGame } from "../../context/GameContext.js";

interface ProfilePageProps {
  discordId: string;
}

export const ProfilePage = ({ discordId }: ProfilePageProps): React.JSX.Element => {
  const { formatNumber } = useGame();
  const [profile, setProfile] = useState<PublicProfileResponse | null>(null);
  const [error, setError] = useState<string | null>(null);
  const [copied, setCopied] = useState(false);

  useEffect(() => {
    fetch(`/api/profile/${discordId}`)
      .then(async (res) => {
        if (!res.ok) throw new Error("Player not found");
        return res.json() as Promise<PublicProfileResponse>;
      })
      .then(setProfile)
      .catch((err: unknown) => {
        setError(err instanceof Error ? err.message : "Failed to load profile");
      });
  }, [discordId]);

  const handleCopy = (): void => {
    void navigator.clipboard.writeText(window.location.href).then(() => {
      setCopied(true);
      setTimeout(() => { setCopied(false); }, 2000);
    });
  };

  if (error) {
    return (
      <div className="profile-page">
        <div className="profile-error">
          <p>⚠️ {error}</p>
          <a className="profile-play-link" href="/">← Play Elysium</a>
        </div>
      </div>
    );
  }

  if (!profile) {
    return (
      <div className="profile-page">
        <div className="profile-loading">Loading profile…</div>
      </div>
    );
  }

  const s = profile.profileSettings;

  const avatarUrl = profile.avatar
    ? `https://cdn.discordapp.com/avatars/${discordId}/${profile.avatar}.png?size=128`
    : `https://cdn.discordapp.com/embed/avatars/${parseInt(discordId, 10) % 5}.png`;

  const memberSince = new Date(profile.createdAt).toLocaleDateString("en-GB", {
    year: "numeric",
    month: "long",
    day: "numeric",
  });

  const visibleStats = [
    s.showTotalGold && {
      icon: "🪙",
      value: formatNumber(profile.totalGoldEarned),
      label: "Total Gold Earned",
      date: false,
    },
    s.showTotalClicks && {
      icon: "👆",
      value: formatNumber(profile.totalClicks),
      label: "Total Clicks",
      date: false,
    },
    s.showBossesDefeated && {
      icon: "💀",
      value: String(profile.bossesDefeated),
      label: "Bosses Defeated",
      date: false,
    },
    s.showQuestsCompleted && {
      icon: "📜",
      value: String(profile.questsCompleted),
      label: "Quests Completed",
      date: false,
    },
    s.showAdventurersRecruited && {
      icon: "⚔️",
      value: formatNumber(profile.adventurersRecruited),
      label: "Adventurers Recruited",
      date: false,
    },
    s.showAchievementsUnlocked && {
      icon: "🏆",
      value: String(profile.achievementsUnlocked),
      label: "Achievements Unlocked",
      date: false,
    },
    s.showGuildFounded && {
      icon: "📅",
      value: memberSince,
      label: "Guild Founded",
      date: true,
    },
  ].filter(Boolean) as Array<{ icon: string; value: string; label: string; date: boolean }>;

  return (
    <div className="profile-page">
      <div className="profile-card">
        <div className="profile-header">
          <img
            alt={`${profile.username}'s avatar`}
            className="profile-avatar"
            src={avatarUrl}
          />
          <div className="profile-identity">
            <h1 className="profile-character-name">{profile.characterName}</h1>
            <p className="profile-username">@{profile.username}</p>
            {s.showPrestige && profile.prestigeCount > 0 && (
              <span className="profile-prestige-badge">
                ⭐ Prestige {profile.prestigeCount}
              </span>
            )}
          </div>
        </div>

        {profile.bio && (
          <p className="profile-bio">{profile.bio}</p>
        )}

        {visibleStats.length > 0 && (
          <div className="profile-stats">
            {visibleStats.map((stat) => (
              <div key={stat.label} className="profile-stat">
                <span className="profile-stat-icon">{stat.icon}</span>
                <span className={`profile-stat-value ${stat.date ? "profile-stat-date" : ""}`}>
                  {stat.value}
                </span>
                <span className="profile-stat-label">{stat.label}</span>
              </div>
            ))}
          </div>
        )}

        <div className="profile-actions">
          <button
            className="profile-share-button"
            onClick={handleCopy}
            type="button"
          >
            {copied ? "✓ Copied!" : "🔗 Copy Profile Link"}
          </button>
          <a className="profile-play-link" href="/">
            ⚔️ Play Elysium
          </a>
        </div>
      </div>
    </div>
  );
};