import React, { useState, useEffect } from 'react';
import { Card } from '../ui/card';
import { Button } from '../ui/button';
import { XPBar } from './XPBar';
import { AchievementCard } from './AchievementCard';
import { TrendingUp, Target, Crown, Zap, Loader2 } from 'lucide-react';
import { Achievement } from '../../types';
import { gamificationService } from '../../services/gamificationService';
import { logger } from '@/utils/logger';

interface ProfileXPViewProps {
  username: string;
}

export const ProfileXPView: React.FC<ProfileXPViewProps> = ({ username }) => {
  const [xpData, setXpData] = useState<any>(null);
  const [recentAchievements, setRecentAchievements] = useState<Achievement[]>(
    [],
  );
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const fetchData = async () => {
      setLoading(true);
      try {
        const [xp, achievements] = await Promise.all([
          gamificationService.getUserXP('me'),
          gamificationService.getAchievements('me'),
        ]);
        setXpData(xp);
        setRecentAchievements(achievements.slice(0, 3));
      } catch (e) {
        logger.error('Error loading profile XP data', {
          error: e instanceof Error ? e.message : String(e),
          stack: e instanceof Error ? e.stack : undefined,
          username,
        });
      } finally {
        setLoading(false);
      }
    };
    fetchData();
  }, []);

  if (loading)
    return (
      <div className="flex justify-center py-24">
        <Loader2 className="w-10 h-10 text-kodo-steel animate-spin" />
      </div>
    );

  return (
    <div className="space-y-8 animate-fadeIn pb-20">
      <h2 className="text-2xl font-display font-bold text-white mb-6">
        LEVEL & PROGRESS
      </h2>

      {/* Main XP Card */}
      <Card
        variant="glass"
        className="p-8 relative overflow-hidden border-kodo-gold/30"
      >
        <div className="relative z-10 flex flex-col md:flex-row items-center gap-8">
          {/* Level Badge */}
          <div className="flex flex-col items-center justify-center">
            <div className="w-24 h-24 bg-gradient-to-b from-kodo-gold to-orange-600 rounded-full flex items-center justify-center shadow-gold-glow border-4 border-black">
              <div className="text-4xl font-black text-black">
                {xpData.level}
              </div>
            </div>
            <div className="mt-2 text-kodo-gold font-bold uppercase tracking-widest text-sm">
              Level
            </div>
          </div>

          {/* Progress */}
          <div className="flex-1 w-full space-y-4">
            <div className="flex justify-between items-end">
              <div>
                <h3 className="text-2xl font-bold text-white">{username}</h3>
                <p className="text-kodo-content-dim text-sm">
                  Producer • Rank #{xpData.rank}
                </p>
              </div>
              <div className="text-right">
                <div className="text-2xl font-mono font-bold text-kodo-gold">
                  {xpData.current} XP
                </div>
                <div className="text-xs text-kodo-content-dim">
                  Next Level: {xpData.next} XP
                </div>
              </div>
            </div>

            <XPBar
              currentXP={xpData.current}
              nextLevelXP={xpData.next}
              level={xpData.level}
              size="lg"
              showLabels={false}
            />

            <div className="flex gap-4 pt-2">
              <div className="bg-black/30 px-4 py-1 rounded text-xs text-kodo-content-dim">
                <span className="text-white font-bold">
                  {xpData.totalEarned.toLocaleString()}
                </span>{' '}
                Total Lifetime XP
              </div>
              <div className="bg-black/30 px-4 py-1 rounded text-xs text-kodo-content-dim">
                <span className="text-kodo-lime font-bold">+12%</span> vs Last
                Week
              </div>
            </div>
          </div>
        </div>
      </Card>

      {/* Stats Grid */}
      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
        <Card variant="default" className="flex items-center gap-4 p-4">
          <div className="w-12 h-12 bg-kodo-ink rounded-lg flex items-center justify-center text-kodo-gold">
            <Crown className="w-6 h-6" />
          </div>
          <div>
            <div className="text-xs text-kodo-content-dim uppercase font-bold">
              Global Rank
            </div>
            <div className="text-xl font-bold text-white">#{xpData.rank}</div>
          </div>
        </Card>
        <Card variant="default" className="flex items-center gap-4 p-4">
          <div className="w-12 h-12 bg-kodo-ink rounded-lg flex items-center justify-center text-kodo-steel">
            <Zap className="w-6 h-6" />
          </div>
          <div>
            <div className="text-xs text-kodo-content-dim uppercase font-bold">
              Daily Streak
            </div>
            <div className="text-xl font-bold text-white">12 Days</div>
          </div>
        </Card>
        <Card variant="default" className="flex items-center gap-4 p-4">
          <div className="w-12 h-12 bg-kodo-ink rounded-lg flex items-center justify-center text-kodo-magenta">
            <Target className="w-6 h-6" />
          </div>
          <div>
            <div className="text-xs text-kodo-content-dim uppercase font-bold">
              Quests Complete
            </div>
            <div className="text-xl font-bold text-white">8/10</div>
          </div>
        </Card>
      </div>

      {/* Recent Achievements */}
      <div>
        <div className="flex justify-between items-center mb-4">
          <h3 className="font-bold text-white">Recent Achievements</h3>
          <Button variant="ghost" size="sm">
            View All
          </Button>
        </div>
        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
          {recentAchievements.map((ach) => (
            <AchievementCard key={ach.id} achievement={ach} />
          ))}
        </div>
      </div>

      {/* XP History Graph (Mock) */}
      <Card variant="default">
        <h3 className="font-bold text-white mb-6 flex items-center gap-2">
          <TrendingUp className="w-5 h-5 text-kodo-steel" /> XP History
        </h3>
        <div className="h-48 flex items-end gap-2 px-2">
          {Array.from({ length: 14 }).map((_, i) => (
            <div
              key={i}
              className="flex-1 flex flex-col justify-end gap-1 h-full group relative cursor-pointer"
            >
              <div
                className="w-full bg-kodo-gold rounded-t opacity-50 group-hover:opacity-100 transition-opacity"
                style={{ height: `${Math.random() * 60 + 10}%` }}
              ></div>
              <div className="absolute -top-8 left-1/2 -translate-x-1/2 bg-black text-white text-xs px-2 py-1 rounded opacity-0 group-hover:opacity-100 pointer-events-none whitespace-nowrap">
                +{Math.floor(Math.random() * 500)} XP
              </div>
            </div>
          ))}
        </div>
        <div className="flex justify-between text-xs text-kodo-content-dim mt-2">
          <span>14 Days Ago</span>
          <span>Today</span>
        </div>
      </Card>
    </div>
  );
};
