From 42daffee848a1e0194c31ede52ab5b33143bf8e1 Mon Sep 17 00:00:00 2001
From: Lncvrt <lncvrtreal@gmail.com>
Date: Tue, 22 Jul 2025 00:02:28 -0700
Subject: [PATCH] Download leaderboards button and single instance enforcement

---
 src-tauri/Cargo.toml              |  3 ++
 src-tauri/src/lib.rs              | 64 ++++++++++++++++++++++++++++---
 src-tauri/tauri.windows.conf.json | 10 +----
 src/routes/Leaderboards.tsx       | 35 +++++++++++++----
 4 files changed, 91 insertions(+), 21 deletions(-)

diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 8a994e5..98e3cbe 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -26,3 +26,6 @@ zip = "4.3.0"
 libc = "0.2.174"
 tauri-plugin-dialog = "2.3.1"
 
+[target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
+tauri-plugin-single-instance = "2.3.1"
+
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 8e2598f..3028bc8 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -1,13 +1,15 @@
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 use futures_util::stream::StreamExt;
 use std::{
-    fs::{create_dir_all, File},
-    io::{copy, BufReader},
+    fs::{File, create_dir_all},
+    io::{BufReader, Write, copy},
     path::PathBuf,
-    process::Command, time::Duration,
+    process::Command,
+    time::Duration,
 };
 use tauri::{AppHandle, Emitter, Manager};
 use tauri_plugin_dialog::{DialogExt, MessageDialogKind};
+use tauri_plugin_opener::OpenerExt;
 use tokio::{io::AsyncWriteExt, task::spawn_blocking, time::timeout};
 use zip::ZipArchive;
 
@@ -100,7 +102,8 @@ async fn download(
             0
         };
 
-        app.emit("download-progress", format!("{}:{}", &name, progress)).unwrap();
+        app.emit("download-progress", format!("{}:{}", &name, progress))
+            .unwrap();
     }
 
     if total_size > 0 && downloaded < total_size {
@@ -163,15 +166,66 @@ fn launch_game(app: AppHandle, name: String, executable: String) {
     }
 }
 
+#[tauri::command]
+fn download_leaderboard(app: AppHandle, content: String) {
+    app.dialog().file().save_file(move |file_path| {
+        if let Some(path) = file_path {
+            let mut path_buf = PathBuf::from(path.to_string());
+            if path_buf.extension().map(|ext| ext != "csv").unwrap_or(true) {
+                path_buf.set_extension("csv");
+            }
+            let path_str = path_buf.to_string_lossy().to_string();
+            if path_str.is_empty() {
+                app.dialog()
+                    .message("No file selected.")
+                    .kind(MessageDialogKind::Error)
+                    .title("Error")
+                    .show(|_| {});
+                return;
+            }
+            let mut file = match File::create(&path_buf) {
+                Ok(f) => f,
+                Err(e) => {
+                    app.dialog()
+                        .message(format!("Failed to create file: {}", e))
+                        .kind(MessageDialogKind::Error)
+                        .title("Error")
+                        .show(|_| {});
+                    return;
+                }
+            };
+            if let Err(e) = file.write_all(content.as_bytes()) {
+                app.dialog()
+                    .message(format!("Failed to write to file: {}", e))
+                    .kind(MessageDialogKind::Error)
+                    .title("Error")
+                    .show(|_| {});
+            } else {
+                let _ = app.opener().open_path(path.to_string(), None::<&str>);
+            }
+        }
+    })
+}
+
 pub fn run() {
     #[allow(unused_variables)]
     tauri::Builder::default()
+        .plugin(tauri_plugin_single_instance::init(|app, _args, _cwd| {
+            let _ = app
+                .get_webview_window("main")
+                .expect("no main window")
+                .set_focus();
+        }))
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_decorum::init())
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![download, launch_game])
+        .invoke_handler(tauri::generate_handler![
+            download,
+            launch_game,
+            download_leaderboard
+        ])
         .setup(|app| {
             #[cfg(target_os = "windows")]
             {
diff --git a/src-tauri/tauri.windows.conf.json b/src-tauri/tauri.windows.conf.json
index 33d9c51..c543fdd 100644
--- a/src-tauri/tauri.windows.conf.json
+++ b/src-tauri/tauri.windows.conf.json
@@ -29,14 +29,6 @@
     }
   },
   "bundle": {
-    "active": true,
-    "targets": "all",
-    "icon": [
-      "icons/32x32.png",
-      "icons/128x128.png",
-      "icons/128x128@2x.png",
-      "icons/icon.icns",
-      "icons/icon.ico"
-    ]
+    "active": false
   }
 }
diff --git a/src/routes/Leaderboards.tsx b/src/routes/Leaderboards.tsx
index fad50be..bf8f120 100644
--- a/src/routes/Leaderboards.tsx
+++ b/src/routes/Leaderboards.tsx
@@ -5,6 +5,7 @@ import { LeaderboardEntry } from '../types/LeaderboardEntry'
 import { app } from '@tauri-apps/api'
 import { platform } from '@tauri-apps/plugin-os'
 import { decrypt } from '../util/Encryption'
+import { invoke } from '@tauri-apps/api/core'
 
 export default function Leaderboards () {
   const [leaderboardData, setLeaderboardData] = useState<LeaderboardEntry[]>([])
@@ -30,6 +31,17 @@ export default function Leaderboards () {
       .finally(() => setLoading(false))
   }
 
+  function downloadLeaderboard () {
+    let content = 'Username,Score\n'
+    leaderboardData.forEach(entry => {
+      content += `${entry.username},${entry.value}\n`
+    })
+    while (content.endsWith('\n')) {
+      content = content.slice(0, -1)
+    }
+    invoke('download_leaderboard', { content })
+  }
+
   useEffect(() => {
     refresh()
   }, [])
@@ -38,13 +50,22 @@ export default function Leaderboards () {
     <div className='mx-4 mt-4'>
       <div className='flex justify-between items-center mb-4'>
         <p className='text-3xl'>Leaderboards</p>
-        <button
-          className='button text-3xl'
-          onClick={refresh}
-          disabled={loading}
-        >
-          Refresh
-        </button>
+        <div className='flex gap-2'>
+          <button
+            className='button text-3xl'
+            onClick={downloadLeaderboard}
+            disabled={loading || leaderboardData.length === 0}
+          >
+            Download Leaderboards
+          </button>
+          <button
+            className='button text-3xl'
+            onClick={refresh}
+            disabled={loading}
+          >
+            Refresh
+          </button>
+        </div>
       </div>
       <div className='leaderboard-container'>
         <div className='leaderboard-scroll'>