import { useEffect, useState } from "react";
import { Modal } from "react-bootstrap";
import {
    ButterflyLeaderboardEntry, ButterflyStats, ButterflyAchievement,
    getButterflyLeaderboard, getButterflyAchievements,
} from "../../../../types";
import { useAuth } from "../../context/auth";
import "./ButterflyLeaderboardModal.scss";

type Props = {
    isOpen: boolean;
    onClose: () => void;
    myStats?: ButterflyStats;
};

const MEDALS = ['🥇', '🥈', '🥉'];

/** Modální dialog s osobními statistikami, achievementy a týmovým žebříčkem. */
export default function ButterflyLeaderboardModal({ isOpen, onClose, myStats }: Readonly<Props>) {
    const auth = useAuth();
    const [entries, setEntries] = useState<ButterflyLeaderboardEntry[]>();
    const [achievements, setAchievements] = useState<ButterflyAchievement[]>();
    const [loading, setLoading] = useState(false);

    useEffect(() => {
        if (!isOpen) return;
        let cancelled = false;
        setLoading(true);
        Promise.all([
            getButterflyLeaderboard({ query: { limit: 20 } }).then(r => r.data ?? []).catch(() => []),
            getButterflyAchievements().then(r => r.data ?? []).catch(() => []),
        ]).then(([lb, ach]) => {
            if (cancelled) return;
            setEntries(lb);
            setAchievements(ach);
        }).finally(() => { if (!cancelled) setLoading(false); });
        return () => { cancelled = true; };
    }, [isOpen]);

    return (
        <Modal show={isOpen} onHide={onClose} centered>
            <Modal.Header closeButton>
                <Modal.Title>🦋 Chytání motýlků</Modal.Title>
            </Modal.Header>
            <Modal.Body>
                {myStats && (
                    <div className="butterfly-mystats">
                        <div className="butterfly-mystats-title">
                            {myStats.level}. {myStats.title}
                        </div>
                        <div className="butterfly-mystats-grid">
                            <div><span className="v">{myStats.caught}</span><span className="l">🦋 chyceno</span></div>
                            <div><span className="v gold">{myStats.goldenCaught}</span><span className="l">✨ zlatých</span></div>
                            <div><span className="v">{myStats.coins}</span><span className="l">🪙 mincí</span></div>
                            <div><span className="v">{myStats.waspsKilled}</span><span className="l">🪰 vos zabito</span></div>
                            <div><span className="v">{myStats.birdsScared}</span><span className="l">🦅 vyplašeno</span></div>
                            <div><span className="v">{myStats.thievesDefeated}</span><span className="l">🦹 zlodějů</span></div>
                            <div><span className="v">{myStats.caterpillarsDefeated}</span><span className="l">🐛 housenek</span></div>
                        </div>
                    </div>
                )}

                {achievements && achievements.length > 0 && (
                    <>
                        <h6 className="butterfly-leaderboard-heading">Odznaky</h6>
                        <div className="butterfly-achievements">
                            {achievements.map(a => (
                                <div
                                    key={a.id}
                                    className={a.unlocked ? 'butterfly-achievement unlocked' : 'butterfly-achievement'}
                                    title={a.description}
                                >
                                    <span className="ach-icon">{a.unlocked ? '🏅' : '🔒'}</span>
                                    <span className="ach-title">{a.title}</span>
                                </div>
                            ))}
                        </div>
                    </>
                )}

                <h6 className="butterfly-leaderboard-heading">Žebříček týmu</h6>
                {loading && <p className="text-center text-muted mb-0">Načítám žebříček…</p>}
                {!loading && entries && entries.length === 0 && (
                    <p className="text-center text-muted mb-0">Zatím nikdo nic nechytil. Buď první!</p>
                )}
                {!loading && entries && entries.length > 0 && (
                    <ol className="butterfly-leaderboard">
                        {entries.map((e, i) => (
                            <li
                                key={e.login}
                                className={e.login === auth?.login ? 'butterfly-leaderboard-row me' : 'butterfly-leaderboard-row'}
                            >
                                <span className="butterfly-leaderboard-rank">{MEDALS[i] ?? `${i + 1}.`}</span>
                                <span className="butterfly-leaderboard-name" title={e.title}>
                                    {e.login}
                                    <span className="butterfly-leaderboard-title">{e.level}. {e.title}</span>
                                </span>
                                <span className="butterfly-leaderboard-stats">
                                    <span className="butterfly-leaderboard-caught">{e.caught} 🦋</span>
                                    {e.goldenCaught > 0 && (
                                        <span className="butterfly-leaderboard-golden">{e.goldenCaught} ✨</span>
                                    )}
                                </span>
                            </li>
                        ))}
                    </ol>
                )}
            </Modal.Body>
        </Modal>
    );
}