import { bankProfile } from '$lib/server/fleet/bank.js';
import { error } from '@sveltejs/kit';
import { playerReport } from '$lib/server/reports/index.js';
import { isLeaderboardMetric } from '$lib/server/fleet/leaderboard.js';
import { leaderboardReturnHref } from '$lib/leaderboard-navigation.js';
import type { LeaderboardPlayerCount } from '$lib/leaderboard.js';

export async function load({ params, url }: { params: { guid: string }; url: URL }) {
    const game = url.searchParams.get('game');
    const map = url.searchParams.get('map');
    const requestedMetric = url.searchParams.get('metric');
    const players = url.searchParams.get('players');
    if (
        (game !== null && game !== 't5' && game !== 't6') ||
        (map !== null && map.length > 1024) ||
        (requestedMetric !== null && !isLeaderboardMetric(requestedMetric)) ||
        (players !== null && !/^[1-4]$/.test(players))
    ) {
        error(
            400,
            'Use game t5 or t6, a supported metric, players 1–4, and a map key up to 1024 characters.'
        );
    }
    const metric =
        requestedMetric !== null && isLeaderboardMetric(requestedMetric)
            ? requestedMetric
            : 'highestRound';
    const options = {
        game: game || undefined,
        map: map || undefined,
        players: players === null ? undefined : (Number(players) as LeaderboardPlayerCount),
        metric
    };
    const { profile, entry } = await playerReport(
        params.guid,
        Number(url.searchParams.get('offset') ?? 0),
        options
    );
    if (!profile) error(404, 'Player not found');
    return {
        profile,
        bank: bankProfile(params.guid),
        returnTo: leaderboardReturnHref(url.searchParams.get('returnTo')),
        scope: { game: game ?? '', map: map ?? '', players: players ?? '', metric, entry }
    };
}