import {useState} from 'react';
import {useTranslation} from 'react-i18next';
import {toast} from 'sonner';
import {Flag, Loader2} from 'lucide-react';

import {Button} from '@/components/ui/button';
import {Card} from '@/components/ui/card';
import {dismissFinishedHint, saveGameStatus} from '../utils/backlog.js';
import {formatPlaytime} from '../utils/games.js';

/**
 * Core's guess that a game is finished: the ending achievement is unlocked, or the playtime passed the normal time
 * to beat. Only a question; the user decides.
 *
 * @param onChanged gets the saved backlog entry after "Mark as finished"
 */
export default function FinishedHint({game, onChanged, onDismissed}) {
    const {t} = useTranslation();
    const [busy, setBusy] = useState(false);

    const hint = game.finishedHint;
    // A status saved elsewhere on the page answers the question too.
    if (!hint || (game.status !== 'BACKLOG' && game.status !== 'PLAYING')) return null;

    const run = async (request, onOk) => {
        setBusy(true);
        try {
            const response = await request();
            if (response.status === 401) return;
            if (!response.ok) {
                toast.error(t('BACKLOG.SAVE_FAILED'));
                return;
            }
            await onOk(response);
        } catch (err) {
            console.error('finished hint error:', err);
            toast.error(t('INFO.ERROR.NETWORK_FAILURE'));
        } finally {
            setBusy(false);
        }
    };

    const setFinished = () => run(() => saveGameStatus(game.appid, 'FINISHED'), async (response) => {
        onChanged(await response.json());
        toast.success(t('BACKLOG.SAVED'));
    });

    const notYet = () => run(() => dismissFinishedHint(game.appid, hint.type), () => onDismissed());

    const text = hint.type === 'ENDING'
        ? t('GAME_DETAIL.FINISHED_ENDING', {achievement: hint.achievement})
        : t('GAME_DETAIL.FINISHED_PLAYTIME', {
            played: formatPlaytime(game.playtimeMinutes),
            normal: formatPlaytime(game.timeToBeat?.normallyMinutes ?? 0),
        });

    return (
        <Card className="gap-3 border-emerald-500/40 bg-emerald-500/5 p-4 sm:flex-row sm:items-center sm:gap-4">
            <div className="flex flex-1 items-start gap-3 sm:items-center">
                <Flag className="size-5 shrink-0 text-emerald-500"/>
                <p className="text-sm">{text}</p>
            </div>
            <div className="flex gap-2 self-end sm:self-auto">
                <Button size="sm" variant="outline" onClick={notYet} disabled={busy}>{t('GAME_DETAIL.NOT_YET')}</Button>
                <Button size="sm" onClick={setFinished} disabled={busy}>
                    {busy && <Loader2 className="animate-spin"/>}
                    {t('GAME_DETAIL.SET_FINISHED')}
                </Button>
            </div>
        </Card>
    );
}