Headless windows installer (#5664)

frontend/src-tauri/src/utils/paths.rs

@@ -0,0 +1,31 @@
+use std::path::PathBuf;
+
+pub fn app_data_dir() -> PathBuf {
+    if cfg!(target_os = "macos") {
+        let home = std::env::var("HOME").unwrap_or_else(|_| "/tmp".to_string());
+        PathBuf::from(home)
+            .join("Library")
+            .join("Application Support")
+            .join("Stirling-PDF")
+    } else if cfg!(target_os = "windows") {
+        let appdata = std::env::var("APPDATA")
+            .unwrap_or_else(|_| std::env::temp_dir().to_string_lossy().to_string());
+        PathBuf::from(appdata).join("Stirling-PDF")
+    } else {
+        let home = std::env::var("HOME").unwrap_or_else(|_| "/tmp".to_string());
+        PathBuf::from(home).join(".config").join("Stirling-PDF")
+    }
+}
+
+pub fn system_provisioning_dir() -> Option<PathBuf> {
+    if cfg!(target_os = "windows") {
+        let program_data = std::env::var("PROGRAMDATA").ok()?;
+        Some(PathBuf::from(program_data).join("Stirling-PDF"))
+    } else if cfg!(target_os = "macos") {
+        Some(PathBuf::from("/Library").join("Application Support").join("Stirling-PDF"))
+    } else if cfg!(target_os = "linux") {
+        Some(PathBuf::from("/etc").join("stirling-pdf"))
+    } else {
+        None
+    }
+}