Add running-game config editor UI

3 files changed, 407 insertions, 29 deletions

diff --git a/src/components/ClipboardCommands.tsx b/src/components/ClipboardCommands.tsx
index 5344a6b..d822929 100644
--- a/src/components/ClipboardCommands.tsx
+++ b/src/components/ClipboardCommands.tsx
@@ -10,7 +10,7 @@ export function ClipboardCommands({ pathExists }: ClipboardCommandsProps) {
   return (
     <>
       <SmartClipboardButton
-        command='OPTISCALER_PROXY=winmm ~/fgmod/fgmod %command%'
+        command="~/fgmod/fgmod %command%"
         buttonText="Copy enable launch command"
       />
 
diff --git a/src/components/InstalledGamesSection.tsx b/src/components/InstalledGamesSection.tsx
index eb750c8..4ed345d 100644
--- a/src/components/InstalledGamesSection.tsx
+++ b/src/components/InstalledGamesSection.tsx
@@ -1,30 +1,144 @@
-import { useEffect, useState } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 import {
   ButtonItem,
   ConfirmModal,
   DropdownItem,
+  Field,
   PanelSection,
   PanelSectionRow,
+  SliderField,
+  Router,
   showModal,
 } from "@decky/ui";
-import { cleanupManagedGame, listInstalledGames, logError } from "../api";
+import {
+  cleanupManagedGame,
+  getGameConfig,
+  listInstalledGames,
+  logError,
+  saveGameConfig,
+} from "../api";
 import { safeAsyncOperation } from "../utils";
-import { GameInfo } from "../types/index";
+import type { ApiResponse, GameConfigResponse, GameInfo } from "../types/index";
 import { STYLES } from "../utils/constants";
 
-const DEFAULT_LAUNCH_COMMAND = 'OPTISCALER_PROXY=winmm ~/fgmod/fgmod %COMMAND%';
+const DEFAULT_LAUNCH_COMMAND = "~/fgmod/fgmod %COMMAND%";
+const POLL_INTERVAL_MS = 3000;
+
+type RunningApp = {
+  appid: string;
+  display_name: string;
+};
+
+const PROXY_OPTIONS = ["winmm", "dxgi", "version", "dbghelp", "winhttp", "wininet", "d3d12"];
+const UPSCALER_OPTIONS = ["auto", "fsr31", "xess", "dlss", "native"];
+const TRI_STATE_OPTIONS = ["auto", "true", "false"];
+const FG_INPUT_OPTIONS = ["auto", "fsrfg", "xefg", "dlssg"];
+const FG_OUTPUT_OPTIONS = ["auto", "fsrfg", "xefg"];
+
+const defaultQuickSettings = {
+  Dx12Upscaler: "auto",
+  "FrameGen.Enabled": "auto",
+  FGInput: "auto",
+  FGOutput: "auto",
+  Fsr4ForceCapable: "false",
+  Fsr4EnableWatermark: "false",
+  UseHQFont: "false",
+  "Menu.Scale": "1.000000",
+};
 
 interface InstalledGamesSectionProps {
   isAvailable: boolean;
 }
 
+const normalizeSettings = (settings?: Record<string, string>) => ({
+  ...defaultQuickSettings,
+  ...(settings || {}),
+});
+
+const formatResult = (result: ApiResponse | null, fallbackSuccess: string) => {
+  if (!result) return "";
+  if (result.status === "success") {
+    return result.message || result.output || fallbackSuccess;
+  }
+  return `Error: ${result.message || result.output || "Operation failed"}`;
+};
+
 export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProps) {
   const [games, setGames] = useState<GameInfo[]>([]);
   const [selectedGame, setSelectedGame] = useState<GameInfo | null>(null);
-  const [result, setResult] = useState<string>("");
+  const [runningApps, setRunningApps] = useState<RunningApp[]>([]);
+  const [mainRunningApp, setMainRunningApp] = useState<RunningApp | null>(null);
   const [loadingGames, setLoadingGames] = useState(false);
   const [enabling, setEnabling] = useState(false);
   const [disabling, setDisabling] = useState(false);
+  const [configLoading, setConfigLoading] = useState(false);
+  const [configResult, setConfigResult] = useState<string>("");
+  const [config, setConfig] = useState<GameConfigResponse | null>(null);
+  const [quickSettings, setQuickSettings] = useState<Record<string, string>>(defaultQuickSettings);
+  const [selectedProxy, setSelectedProxy] = useState<string>("winmm");
+  const [rawIni, setRawIni] = useState<string>("");
+  const [savingQuick, setSavingQuick] = useState(false);
+  const [savingQuickLive, setSavingQuickLive] = useState(false);
+  const [savingRaw, setSavingRaw] = useState(false);
+  const [savingRawLive, setSavingRawLive] = useState(false);
+
+  const selectedAppId = selectedGame ? String(selectedGame.appid) : null;
+  const selectedIsRunning = useMemo(
+    () => Boolean(selectedAppId && runningApps.some((app) => String(app.appid) === selectedAppId)),
+    [runningApps, selectedAppId]
+  );
+
+  const refreshRunningApps = useCallback(() => {
+    try {
+      const nextRunningApps = ((Router?.RunningApps || []) as RunningApp[])
+        .filter((app) => app?.appid && app?.display_name)
+        .map((app) => ({ appid: String(app.appid), display_name: app.display_name }));
+
+      const nextMainRunningApp = Router?.MainRunningApp
+        ? {
+            appid: String(Router.MainRunningApp.appid),
+            display_name: Router.MainRunningApp.display_name,
+          }
+        : nextRunningApps[0] || null;
+
+      setRunningApps(nextRunningApps);
+      setMainRunningApp(nextMainRunningApp);
+
+      if (!selectedGame && nextMainRunningApp) {
+        setSelectedGame({
+          appid: nextMainRunningApp.appid,
+          name: nextMainRunningApp.display_name,
+        });
+      }
+    } catch (error) {
+      console.error("InstalledGamesSection.refreshRunningApps", error);
+    }
+  }, [selectedGame]);
+
+  const loadConfig = useCallback(
+    async (appid: string) => {
+      setConfigLoading(true);
+      const response = await safeAsyncOperation(() => getGameConfig(appid), `InstalledGamesSection.loadConfig.${appid}`);
+      if (!response) {
+        setConfigLoading(false);
+        return;
+      }
+
+      if (response.status === "success") {
+        setConfig(response);
+        setQuickSettings(normalizeSettings(response.settings));
+        setSelectedProxy(response.proxy || "winmm");
+        setRawIni(response.raw_ini || "");
+        setConfigResult("");
+      } else {
+        setConfig(null);
+        setConfigResult(`Error: ${response.message || response.output || "Failed to load game config"}`);
+      }
+
+      setConfigLoading(false);
+    },
+    []
+  );
 
   useEffect(() => {
     if (!isAvailable) return;
@@ -34,7 +148,6 @@ export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProp
     const fetchGames = async () => {
       setLoadingGames(true);
       const response = await safeAsyncOperation(async () => await listInstalledGames(), "InstalledGamesSection.fetchGames");
-
       if (cancelled || !response) {
         setLoadingGames(false);
         return;
@@ -56,11 +169,19 @@ export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProp
     };
 
     fetchGames();
+    refreshRunningApps();
+    const interval = setInterval(refreshRunningApps, POLL_INTERVAL_MS);
 
     return () => {
       cancelled = true;
+      clearInterval(interval);
     };
-  }, [isAvailable]);
+  }, [isAvailable, refreshRunningApps]);
+
+  useEffect(() => {
+    if (!isAvailable || !selectedAppId) return;
+    void loadConfig(selectedAppId);
+  }, [isAvailable, loadConfig, selectedAppId]);
 
   const handleEnable = async () => {
     if (!selectedGame) return;
@@ -77,10 +198,10 @@ export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProp
           setEnabling(true);
           try {
             await SteamClient.Apps.SetAppLaunchOptions(selectedGame.appid, DEFAULT_LAUNCH_COMMAND);
-            setResult(`✓ Enabled prefix-managed OptiScaler for ${selectedGame.name}. Launch the game, enable DLSS if needed, then press Insert for the OptiScaler menu.`);
+            setConfigResult(`✓ Enabled prefix-managed OptiScaler for ${selectedGame.name}. Launch the game, enable DLSS if needed, then press Insert for the OptiScaler menu.`);
           } catch (error) {
             logError(`InstalledGamesSection.handleEnable: ${String(error)}`);
-            setResult(error instanceof Error ? `Error: ${error.message}` : "Error enabling prefix-managed OptiScaler");
+            setConfigResult(error instanceof Error ? `Error: ${error.message}` : "Error enabling prefix-managed OptiScaler");
           } finally {
             setEnabling(false);
           }
@@ -96,35 +217,104 @@ export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProp
     try {
       const cleanupResult = await cleanupManagedGame(String(selectedGame.appid));
       if (cleanupResult?.status !== "success") {
-        setResult(`Error: ${cleanupResult?.message || cleanupResult?.output || "Failed to clean managed compatdata prefix"}`);
+        setConfigResult(`Error: ${cleanupResult?.message || cleanupResult?.output || "Failed to clean managed compatdata prefix"}`);
         return;
       }
 
       await SteamClient.Apps.SetAppLaunchOptions(selectedGame.appid, "");
-      setResult(`✓ Cleared launch options and cleaned the managed compatdata prefix for ${selectedGame.name}.`);
+      setConfig(null);
+      setQuickSettings(defaultQuickSettings);
+      setSelectedProxy("winmm");
+      setRawIni("");
+      setConfigResult(`✓ Cleared launch options and cleaned the managed compatdata prefix for ${selectedGame.name}.`);
     } catch (error) {
       logError(`InstalledGamesSection.handleDisable: ${String(error)}`);
-      setResult(error instanceof Error ? `Error: ${error.message}` : "Error disabling prefix-managed OptiScaler");
+      setConfigResult(error instanceof Error ? `Error: ${error.message}` : "Error disabling prefix-managed OptiScaler");
     } finally {
       setDisabling(false);
     }
   };
 
+  const saveQuickSettings = async (applyLive: boolean) => {
+    if (!selectedAppId) return;
+
+    const setBusy = applyLive ? setSavingQuickLive : setSavingQuick;
+    setBusy(true);
+    try {
+      const response = await saveGameConfig(selectedAppId, quickSettings, selectedProxy, applyLive, null);
+      setConfigResult(formatResult(response, applyLive ? "Applied config to the running game." : "Saved config."));
+      await loadConfig(selectedAppId);
+    } catch (error) {
+      setConfigResult(error instanceof Error ? `Error: ${error.message}` : "Error saving config");
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const saveRawEditor = async (applyLive: boolean) => {
+    if (!selectedAppId) return;
+
+    const setBusy = applyLive ? setSavingRawLive : setSavingRaw;
+    setBusy(true);
+    try {
+      const response = await saveGameConfig(selectedAppId, {}, selectedProxy, applyLive, rawIni);
+      setConfigResult(formatResult(response, applyLive ? "Applied raw INI to the running game." : "Saved raw INI."));
+      await loadConfig(selectedAppId);
+    } catch (error) {
+      setConfigResult(error instanceof Error ? `Error: ${error.message}` : "Error saving raw INI");
+    } finally {
+      setBusy(false);
+    }
+  };
+
   if (!isAvailable) return null;
 
   return (
-    <PanelSection title="Steam game integration">
+    <PanelSection title="Steam game integration + live config">
+      <PanelSectionRow>
+        <Field
+          label="Running now"
+          description={
+            mainRunningApp
+              ? `Main running game: ${mainRunningApp.display_name}`
+              : "No running Steam game detected right now."
+          }
+        >
+          <div style={{ ...STYLES.preWrap, fontSize: "12px" }}>
+            {runningApps.length > 0
+              ? runningApps.map((app) => app.display_name).join("\n")
+              : "Idle"}
+          </div>
+        </Field>
+      </PanelSectionRow>
+
+      {mainRunningApp ? (
+        <PanelSectionRow>
+          <ButtonItem
+            layout="below"
+            onClick={() =>
+              setSelectedGame({
+                appid: mainRunningApp.appid,
+                name: mainRunningApp.display_name,
+              })
+            }
+          >
+            Use current running game
+          </ButtonItem>
+        </PanelSectionRow>
+      ) : null}
+
       <PanelSectionRow>
         <DropdownItem
           rgOptions={games.map((game) => ({
-            data: game.appid,
+            data: String(game.appid),
             label: game.name,
           }))}
-          selectedOption={selectedGame?.appid}
+          selectedOption={selectedAppId}
           onChange={(option) => {
-            const game = games.find((entry) => entry.appid === option.data);
+            const game = games.find((entry) => String(entry.appid) === String(option.data));
             setSelectedGame(game || null);
-            setResult("");
+            setConfigResult("");
           }}
           strDefaultLabel={loadingGames ? "Loading installed games..." : "Choose a game"}
           menuLabel="Installed Steam games"
@@ -134,33 +324,221 @@ export function InstalledGamesSection({ isAvailable }: InstalledGamesSectionProp
 
       <PanelSectionRow>
         <div style={STYLES.instructionCard}>
-          Enable writes the launch option automatically. Disable clears launch options and removes staged files from the selected game's compatdata prefix.
+          Enable writes the wrapper launch option automatically. Disable clears launch options and removes staged files from the selected game's compatdata prefix. The config editor below persists changes to the selected game and can also mirror them into the live prefix copy while the game is running.
         </div>
       </PanelSectionRow>
 
-      {result ? (
+      {selectedGame ? (
+        <>
+          <PanelSectionRow>
+            <Field
+              label="Selected game"
+              description={selectedIsRunning ? "Detected as currently running." : "Not currently running."}
+            >
+              {selectedGame.name}
+            </Field>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem layout="below" onClick={handleEnable} disabled={enabling || disabling}>
+              {enabling ? "Enabling..." : "Enable for selected game"}
+            </ButtonItem>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem layout="below" onClick={handleDisable} disabled={enabling || disabling}>
+              {disabling ? "Cleaning..." : "Disable and clean selected game"}
+            </ButtonItem>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem layout="below" onClick={() => loadConfig(String(selectedGame.appid))} disabled={configLoading}>
+              {configLoading ? "Loading config..." : "Reload selected game config"}
+            </ButtonItem>
+          </PanelSectionRow>
+        </>
+      ) : null}
+
+      {configResult ? (
         <PanelSectionRow>
           <div
             style={{
               ...STYLES.preWrap,
-              ...(result.startsWith("Error") ? STYLES.statusNotInstalled : STYLES.statusInstalled),
+              ...(configResult.startsWith("Error") ? STYLES.statusNotInstalled : STYLES.statusInstalled),
             }}
           >
-            {result.startsWith("Error") ? "❌" : "✅"} {result}
+            {configResult.startsWith("Error") ? "❌" : "✅"} {configResult}
           </div>
         </PanelSectionRow>
       ) : null}
 
-      {selectedGame ? (
+      {selectedGame && config ? (
         <>
           <PanelSectionRow>
-            <ButtonItem layout="below" onClick={handleEnable} disabled={enabling || disabling}>
-              {enabling ? "Enabling..." : "Enable for selected game"}
+            <Field
+              label="Managed paths"
+              description={config.live_available ? "Live prefix copy is present." : "Live prefix copy is not staged right now."}
+            >
+              <div style={{ ...STYLES.preWrap, fontSize: "11px", wordBreak: "break-word" }}>
+                {config.paths?.managed_ini ? `Managed INI: ${config.paths.managed_ini}\n` : ""}
+                {config.paths?.live_ini ? `Live INI: ${config.paths.live_ini}` : ""}
+              </div>
+            </Field>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={PROXY_OPTIONS.map((proxy) => ({ data: proxy, label: proxy }))}
+              selectedOption={selectedProxy}
+              onChange={(option) => setSelectedProxy(String(option.data))}
+              menuLabel="Proxy DLL"
+              strDefaultLabel="Proxy DLL"
+              description="Persisted per game and used by the wrapper on next launch."
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={UPSCALER_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.Dx12Upscaler}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, Dx12Upscaler: String(option.data) }))}
+              menuLabel="DX12 upscaler"
+              strDefaultLabel="DX12 upscaler"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={TRI_STATE_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings["FrameGen.Enabled"]}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, "FrameGen.Enabled": String(option.data) }))}
+              menuLabel="Frame generation enabled"
+              strDefaultLabel="Frame generation enabled"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={FG_INPUT_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.FGInput}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, FGInput: String(option.data) }))}
+              menuLabel="FG input"
+              strDefaultLabel="FG input"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={FG_OUTPUT_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.FGOutput}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, FGOutput: String(option.data) }))}
+              menuLabel="FG output"
+              strDefaultLabel="FG output"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={TRI_STATE_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.Fsr4ForceCapable}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, Fsr4ForceCapable: String(option.data) }))}
+              menuLabel="FSR4 force capable"
+              strDefaultLabel="FSR4 force capable"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={TRI_STATE_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.Fsr4EnableWatermark}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, Fsr4EnableWatermark: String(option.data) }))}
+              menuLabel="FSR4 watermark"
+              strDefaultLabel="FSR4 watermark"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <DropdownItem
+              rgOptions={TRI_STATE_OPTIONS.map((value) => ({ data: value, label: value }))}
+              selectedOption={quickSettings.UseHQFont}
+              onChange={(option) => setQuickSettings((prev) => ({ ...prev, UseHQFont: String(option.data) }))}
+              menuLabel="Use HQ font"
+              strDefaultLabel="Use HQ font"
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <SliderField
+              label="Menu scale"
+              value={Number.parseFloat(quickSettings["Menu.Scale"] || "1") || 1}
+              min={0.5}
+              max={2.0}
+              step={0.05}
+              showValue
+              editableValue
+              onChange={(value) =>
+                setQuickSettings((prev) => ({
+                  ...prev,
+                  "Menu.Scale": value.toFixed(6),
+                }))
+              }
+            />
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem layout="below" onClick={() => saveQuickSettings(false)} disabled={savingQuick || savingQuickLive}>
+              {savingQuick ? "Saving..." : "Apply + persist quick settings"}
             </ButtonItem>
           </PanelSectionRow>
+
           <PanelSectionRow>
-            <ButtonItem layout="below" onClick={handleDisable} disabled={enabling || disabling}>
-              {disabling ? "Cleaning..." : "Disable and clean selected game"}
+            <ButtonItem
+              layout="below"
+              onClick={() => saveQuickSettings(true)}
+              disabled={!selectedIsRunning || savingQuick || savingQuickLive}
+            >
+              {savingQuickLive ? "Applying live..." : "Apply quick settings to running game now"}
+            </ButtonItem>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <Field
+              label="Advanced raw INI editor"
+              description="Edits the selected game's OptiScaler.ini directly. Use this for settings not exposed above."
+            >
+              <textarea
+                value={rawIni}
+                onChange={(event) => setRawIni(event.target.value)}
+                style={{
+                  width: "100%",
+                  minHeight: "280px",
+                  resize: "vertical",
+                  boxSizing: "border-box",
+                  borderRadius: "8px",
+                  border: "1px solid var(--decky-border-color)",
+                  background: "rgba(255,255,255,0.05)",
+                  color: "inherit",
+                  padding: "10px",
+                  fontFamily: "monospace",
+                  fontSize: "11px",
+                }}
+              />
+            </Field>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem layout="below" onClick={() => saveRawEditor(false)} disabled={savingRaw || savingRawLive}>
+              {savingRaw ? "Saving raw INI..." : "Save raw INI"}
+            </ButtonItem>
+          </PanelSectionRow>
+
+          <PanelSectionRow>
+            <ButtonItem
+              layout="below"
+              onClick={() => saveRawEditor(true)}
+              disabled={!selectedIsRunning || savingRaw || savingRawLive}
+            >
+              {savingRawLive ? "Applying raw INI live..." : "Save raw INI + apply live"}
             </ButtonItem>
           </PanelSectionRow>
         </>
diff --git a/src/components/SmartClipboardButton.tsx b/src/components/SmartClipboardButton.tsx
index 8cc52b1..78f76b5 100644
--- a/src/components/SmartClipboardButton.tsx
+++ b/src/components/SmartClipboardButton.tsx
@@ -9,8 +9,8 @@ interface SmartClipboardButtonProps {
 }
 
 export function SmartClipboardButton({
-  command = 'OPTISCALER_PROXY=winmm ~/fgmod/fgmod %command%',
-  buttonText = 'Copy Launch Command',
+  command = "~/fgmod/fgmod %command%",
+  buttonText = "Copy Launch Command",
 }: SmartClipboardButtonProps) {
   const [isLoading, setIsLoading] = useState(false);
   const [showSuccess, setShowSuccess] = useState(false);