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import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { useQuickAccessVisible } from "@decky/api";
import { Router } from "@decky/ui";
import { getGameConfigs, getInstalledGames, updateGameConfig, resetGameConfig, resetAllGameConfigs, type GameConfigEntry, type GlobalConfig, type InstalledGame } from "../api/lsfgApi";
import { ConfigurationData, getDefaults } from "../config/configSchema";
import { cleanupSteamLaunchOptions } from "../utils/steamLaunchOptions";
import { showErrorToast } from "../utils/toastUtils";
export interface GameTarget extends InstalledGame { configured: boolean; }
async function getSteamShortcuts(): Promise<InstalledGame[]> {
const apps = (globalThis as any).SteamClient?.Apps;
if (typeof apps?.GetAllShortcuts !== "function") return [];
try {
const shortcuts = await apps.GetAllShortcuts();
if (!Array.isArray(shortcuts)) return [];
return shortcuts.flatMap((shortcut: any) => {
const appid = Number(shortcut?.appid);
const name = shortcut?.data?.strAppName;
if (!Number.isInteger(appid) || appid === 0 || typeof name !== "string" || !name) return [];
return [{ appid: String(appid >>> 0), name, nonSteam: true }];
});
} catch {
return [];
}
}
function mergeInstalledGames(backendGames: InstalledGame[], shortcutGames: InstalledGame[]) {
const games = new Map(backendGames.map((game) => [game.appid, game]));
for (const game of shortcutGames) games.set(game.appid, game);
return Array.from(games.values());
}
export function useGameConfiguration() {
const [games, setGames] = useState<GameConfigEntry[]>([]);
const [globalConfig, setGlobalConfig] = useState<GlobalConfig>({ dll: "", no_fp16: false });
const [installedGames, setInstalledGames] = useState<InstalledGame[]>([]);
const [configsLoaded, setConfigsLoaded] = useState(false);
const [selectedAppId, setSelectedAppId] = useState("");
const [runningGame, setRunningGame] = useState<GameTarget | null>(null);
const previousRunningAppId = useRef<string | null>(null);
const previousQuickAccessVisible = useRef<boolean | null>(null);
const quickAccessVisible = useQuickAccessVisible();
const load = useCallback(async () => {
const [result, installed, shortcuts] = await Promise.all([getGameConfigs(), getInstalledGames(), getSteamShortcuts()]);
if (result.success) {
setGlobalConfig(result.global_config || { dll: "", no_fp16: false });
setGames(result.games || []);
}
setInstalledGames(mergeInstalledGames(installed.success ? installed.games || [] : [], shortcuts));
setConfigsLoaded(true);
}, []);
useEffect(() => {
const initialLoad = previousQuickAccessVisible.current === null;
const becameVisible = quickAccessVisible && previousQuickAccessVisible.current === false;
previousQuickAccessVisible.current = quickAccessVisible;
if (initialLoad || becameVisible) void load();
}, [load, quickAccessVisible]);
useEffect(() => {
const poll = () => {
if (!configsLoaded) return;
const app = Router.MainRunningApp as any;
if (!app?.appid) return setRunningGame(null);
const appid = String(app.appid);
const installed = installedGames.find((game) => game.appid === appid);
const name = app.display_name || installed?.name;
if (!name) return setRunningGame(null);
setRunningGame((current) => current?.appid === appid ? current : {
...(installed || { appid, name, nonSteam: false }),
name,
configured: games.some((game) => game.appid === appid),
});
};
poll();
const interval = window.setInterval(poll, 2000);
return () => window.clearInterval(interval);
}, [configsLoaded, games, installedGames]);
useEffect(() => {
const appid = runningGame?.appid || null;
if (appid !== previousRunningAppId.current) {
previousRunningAppId.current = appid;
setSelectedAppId(appid || "");
}
}, [runningGame?.appid]);
const targets = useMemo<GameTarget[]>(() => {
const configured = installedGames.map((game) => ({ ...game, configured: games.some((item) => item.appid === game.appid) }));
for (const game of games) if (!configured.some((item) => item.appid === game.appid)) configured.push({ appid: game.appid, name: game.profile, nonSteam: false, configured: true });
if (runningGame && !configured.some((game) => game.appid === runningGame.appid)) configured.unshift(runningGame);
return configured;
}, [games, installedGames, runningGame]);
const template = useMemo(() => ({ ...getDefaults(), ...globalConfig }), [globalConfig]);
const config = games.find((game) => game.appid === selectedAppId)?.config || template;
const cleanupTargetLaunchOptions = useCallback(async (target: GameTarget): Promise<boolean> => {
if (!installedGames.some((game) => game.appid === target.appid)) return true;
try {
await cleanupSteamLaunchOptions(Number(target.appid), target.nonSteam);
return true;
} catch (error) {
showErrorToast("Could not update Steam launch options", error instanceof Error ? error.message : String(error));
return false;
}
}, [installedGames]);
const save = useCallback(async (next: ConfigurationData, cleanupLaunchOptions = false) => {
const selectedTarget = targets.find((target) => target.appid === selectedAppId);
if (!selectedTarget?.name) return;
if (cleanupLaunchOptions && !(await cleanupTargetLaunchOptions(selectedTarget))) return;
const result = await updateGameConfig(selectedAppId, selectedTarget.name, next);
if (result.success) await load();
}, [cleanupTargetLaunchOptions, load, selectedAppId, targets]);
const enable = useCallback(async (appid: string) => {
const target = targets.find((item) => item.appid === appid);
if (!target?.name) return false;
if (!(await cleanupTargetLaunchOptions(target))) return false;
const result = await updateGameConfig(appid, target.name, template);
if (result.success) await load();
return result.success;
}, [cleanupTargetLaunchOptions, load, targets, template]);
const enableAll = useCallback(async (): Promise<void> => {
const available = targets.filter((target) => !target.configured && target.name);
if (available.length === 0) return;
for (const target of available) {
if (!(await cleanupTargetLaunchOptions(target))) return;
const result = await updateGameConfig(target.appid, target.name, template);
if (!result.success) {
showErrorToast("Could not enable all games", result.error || "A game profile could not be created");
return;
}
}
await load();
}, [cleanupTargetLaunchOptions, load, targets, template]);
const resetSelected = useCallback(async () => {
if (selectedAppId) {
const selectedTarget = targets.find((target) => target.appid === selectedAppId);
if (selectedTarget && !(await cleanupTargetLaunchOptions(selectedTarget))) return;
const result = await resetGameConfig(selectedAppId);
if (result.success) {
setRunningGame((current) => current?.appid === selectedAppId ? { ...current, configured: false } : current);
setSelectedAppId("");
await load();
}
}
}, [cleanupTargetLaunchOptions, load, selectedAppId, targets]);
const resetAll = useCallback(async () => {
for (const target of targets.filter((item) => item.configured)) {
if (!(await cleanupTargetLaunchOptions(target))) return;
}
const result = await resetAllGameConfigs();
if (result.success) {
setRunningGame((current) => current ? { ...current, configured: false } : current);
setSelectedAppId("");
await load();
}
}, [cleanupTargetLaunchOptions, load, targets]);
return { config, games, targets, runningGame, selectedAppId, setSelectedAppId, save, enable, enableAll, resetSelected, resetAll, reload: load };
}
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