fix: add system language sup

src-tauri/src/utils/i18n.rs

@@ -0,0 +1,59 @@
+use std::{fs, path::Path};
+use crate::config::Config;
+use sys_locale;
+
+pub fn get_supported_languages() -> Vec<String> {
+    let project_dir = Path::new(env!("CARGO_MANIFEST_DIR")).parent().unwrap();
+    let i18n_path = project_dir.join("src/services/i18n.ts");
+    
+    if let Ok(content) = fs::read_to_string(i18n_path) {
+        let mut languages = Vec::new();
+        for line in content.lines() {
+            if line.contains("resources = {") {
+                for line in content.lines() {
+                    if let Some(lang) = line.trim().strip_suffix(": { translation:") {
+                        let lang = lang.trim().trim_matches('"');
+                        if !lang.is_empty() {
+                            languages.push(lang.to_string());
+                        }
+                    }
+                    if line.contains("};") {
+                        break;
+                    }
+                }
+                break;
+            }
+        }
+        if !languages.is_empty() {
+            return languages;
+        }
+    }
+    
+    vec!["en".to_string(), "ru".to_string(), "zh".to_string(), "fa".to_string()]
+}
+
+pub fn t(text: &str) -> String {
+    let config = Config::verge();
+    let verge = config.latest();
+    let current_lang = verge.language.as_ref().map_or_else(
+        || get_system_language(),
+        |lang| lang.to_string()
+    );
+
+    text.to_string()
+}
+
+fn get_system_language() -> String {
+    let sys_lang = sys_locale::get_locale()
+        .unwrap_or_else(|| String::from("en"))
+        .to_lowercase();
+    
+    let lang_code = sys_lang.split(['_', '-']).next().unwrap_or("en");
+    let supported_languages = get_supported_languages();
+    
+    if supported_languages.contains(&lang_code.to_string()) {
+        lang_code.to_string()
+    } else {
+        String::from("en")
+    }
+}

src-tauri/src/utils/mod.rs

@@ -5,3 +5,4 @@ pub mod init;
 pub mod resolve;
 pub mod server;
 pub mod tmpl;
+pub mod i18n;