1 files changed, 33 insertions, 5 deletions

diff --git a/gui/src/main.rs b/gui/src/main.rs
index cf1c67d..82babb6 100644
--- a/gui/src/main.rs
+++ b/gui/src/main.rs
@@ -1,12 +1,36 @@
 //! Desktop frontend for zagan-bet.
 //!
-//! Phase 3 of `docs/GUI-PLAN.md`: the style spike. It owns the window and the
-//! roulette reference screen; the shared core and transport are wired in
-//! Phase 4.
+//! Phase 4: the egui shell over the shared `ClientCore`, with the transport on
+//! a worker thread. The same data directory and flags as the terminal client.
 
-use zagan_bet_gui::app::ZaganApp;
+use zagan_bet::client::paths::{default_data_dir, parse_args};
+use zagan_bet_gui::app::{Startup, ZaganApp};
 
 fn main() -> eframe::Result {
+    let args = match parse_args(std::env::args().skip(1)) {
+        Ok(args) => args,
+        Err(message) => {
+            eprintln!("{message}");
+            std::process::exit(2);
+        }
+    };
+    if args.help {
+        println!(
+            "usage: zagan-bet-gui [-d <dir>] [--unsafe]
+
+  -d, --data-dir <dir>   where to keep client.db (default: XDG data dir)
+      --unsafe           skip certificate verification
+  -h, --help             show this message"
+        );
+        return Ok(());
+    }
+
+    let data_dir = args.data_dir.unwrap_or_else(default_data_dir);
+    if let Err(error) = std::fs::create_dir_all(&data_dir) {
+        eprintln!("Cannot create {}: {error}", data_dir.display());
+        std::process::exit(1);
+    }
+
     let options = eframe::NativeOptions {
         viewport: eframe::egui::ViewportBuilder::default()
             .with_title("Zagan-Bet")
@@ -17,9 +41,13 @@ fn main() -> eframe::Result {
         ..Default::default()
     };
 
+    let startup = Startup {
+        data_dir,
+        unsafe_mode: args.unsafe_mode,
+    };
     eframe::run_native(
         "Zagan-Bet",
         options,
-        Box::new(|cc| Ok(Box::new(ZaganApp::new(cc)))),
+        Box::new(move |cc| Ok(Box::new(ZaganApp::new(cc, startup)))),
     )
 }