From 736c26f0fdab6502f3ae47e005b2c90732392e3f Mon Sep 17 00:00:00 2001
From: Scighost <scighost@outlook.com>
Date: Wed, 25 Sep 2024 23:17:09 +0800
Subject: [PATCH] fix the error where audio packages doesn't download in some
 language environment #1103

---
 src/Starward.Core/LanguageUtil.cs             | 21 +++++++++++++++++++
 .../Download/GenshinInstallGameService.cs     |  2 +-
 .../Services/Download/InstallGameService.cs   |  2 +-
 .../Download/ZZZInstallGameService.cs         |  2 +-
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/Starward.Core/LanguageUtil.cs b/src/Starward.Core/LanguageUtil.cs
index 332fee72b..defd71e3e 100644
--- a/src/Starward.Core/LanguageUtil.cs
+++ b/src/Starward.Core/LanguageUtil.cs
@@ -35,4 +35,25 @@ public static string FilterLanguage(string? lang)
     }
 
 
+    public static string FilterAudioLanguage(string? lang)
+    {
+        // zh-cn,zh-tw,en-us,de-de,es-es,fr-fr,id-id,it-it,ja-jp,ko-kr,pt-pt,ru-ru,th-th,tr-tr,vi-vn
+        var low = lang?.ToLower() ?? "";
+        if (low.Length < 2)
+        {
+            low = "..";
+        }
+        return low switch
+        {
+            _ => low[..2] switch
+            {
+                "zh" => "zh-cn",
+                "ja" => "ja-jp",
+                "ko" => "ko-kr",
+                _ => "en-us",
+            }
+        };
+    }
+
+
 }
diff --git a/src/Starward/Services/Download/GenshinInstallGameService.cs b/src/Starward/Services/Download/GenshinInstallGameService.cs
index aa70de7ca..ecb890cc0 100644
--- a/src/Starward/Services/Download/GenshinInstallGameService.cs
+++ b/src/Starward/Services/Download/GenshinInstallGameService.cs
@@ -151,7 +151,7 @@ private async Task<List<InstallGameItem>> GetAudioPkgVersionsAsync(string prefix
         string lang = await GetAudioLanguageAsync();
         if (string.IsNullOrWhiteSpace(lang))
         {
-            lang = LanguageUtil.FilterLanguage(CultureInfo.CurrentUICulture.Name);
+            lang = LanguageUtil.FilterAudioLanguage(CultureInfo.CurrentUICulture.Name);
             await SetAudioLanguageAsync(lang);
         }
         List<InstallGameItem> list = [];
diff --git a/src/Starward/Services/Download/InstallGameService.cs b/src/Starward/Services/Download/InstallGameService.cs
index 8a8bd84a3..ff8b37eee 100644
--- a/src/Starward/Services/Download/InstallGameService.cs
+++ b/src/Starward/Services/Download/InstallGameService.cs
@@ -442,7 +442,7 @@ protected async Task<List<GamePackageFile>> GetAudioPackageFilesFromGameResource
         string lang = await GetAudioLanguageAsync();
         if (string.IsNullOrWhiteSpace(lang))
         {
-            lang = LanguageUtil.FilterLanguage(CultureInfo.CurrentUICulture.Name);
+            lang = LanguageUtil.FilterAudioLanguage(CultureInfo.CurrentUICulture.Name);
             await SetAudioLanguageAsync(lang);
         }
         List<GamePackageFile> list = [];
diff --git a/src/Starward/Services/Download/ZZZInstallGameService.cs b/src/Starward/Services/Download/ZZZInstallGameService.cs
index 134b6cd72..d779a7b19 100644
--- a/src/Starward/Services/Download/ZZZInstallGameService.cs
+++ b/src/Starward/Services/Download/ZZZInstallGameService.cs
@@ -126,7 +126,7 @@ private async Task<List<InstallGameItem>> GetAudioPkgVersionsAsync(string prefix
         string lang = await GetAudioLanguageAsync();
         if (string.IsNullOrWhiteSpace(lang))
         {
-            lang = LanguageUtil.FilterLanguage(CultureInfo.CurrentUICulture.Name);
+            lang = LanguageUtil.FilterAudioLanguage(CultureInfo.CurrentUICulture.Name);
             await SetAudioLanguageAsync(lang);
         }
         List<InstallGameItem> list = [];