From 981747fc50c427b6f3437198895e5253b28058a1 Mon Sep 17 00:00:00 2001
From: lambda <lambda@bjornmossa.net>
Date: Tue, 27 Oct 2026 13:55:03 +0300
Subject: [PATCH] feat: FTP in state with set_ftp/get_ftp (phase 3)

---
 src-tauri/src/lib.rs   | 21 ++++++++++++++++++++-
 src-tauri/src/state.rs |  5 +++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 8b5b47c..51f67e7 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -229,6 +229,22 @@ fn get_workout(path: String) -> Result<workout::Workout, String> {
     workout::read_workout(&path).map_err(|e| e.to_string())
 }
 
+/// Задать FTP гонщика (Вт). Используется для перевода %FTP → ватты.
+#[tauri::command]
+fn set_ftp(app: AppHandle, ftp: u16) -> Result<(), String> {
+    if ftp == 0 {
+        return Err("FTP должен быть больше нуля".to_string());
+    }
+    *app.state::<State>().ftp.lock().unwrap() = ftp;
+    Ok(())
+}
+
+/// Текущий FTP гонщика (Вт).
+#[tauri::command]
+fn get_ftp(app: AppHandle) -> u16 {
+    *app.state::<State>().ftp.lock().unwrap()
+}
+
 /// Why the watchdog loop stopped consuming a stream.
 enum StreamOutcome {
     /// The stream ended (peripheral disconnected / notifications closed).
@@ -386,6 +402,7 @@ pub fn run() {
                     trainer: Mutex::new(None),
                     streams: Mutex::new(std::collections::HashMap::new()),
                     trainer_state: Mutex::new(TrainerState::default()),
+                    ftp: Mutex::new(state::DEFAULT_FTP),
                 });
                 Ok::<(), Box<dyn std::error::Error>>(())
             })
@@ -398,7 +415,9 @@ pub fn run() {
             trainer_start,
             trainer_stop,
             list_workouts,
-            get_workout
+            get_workout,
+            set_ftp,
+            get_ftp
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
diff --git a/src-tauri/src/state.rs b/src-tauri/src/state.rs
index 7871228..02f098c 100644
--- a/src-tauri/src/state.rs
+++ b/src-tauri/src/state.rs
@@ -6,6 +6,9 @@ use tauri::async_runtime::JoinHandle;
 use crate::ble::SensorSource;
 use crate::device::Device;
 
+/// FTP по умолчанию (Вт) — для перевода %FTP воркаутов в ватты.
+pub const DEFAULT_FTP: u16 = 250;
+
 /// Trainer control state, restored after a reconnect.
 #[derive(Default)]
 pub struct TrainerState {
@@ -24,4 +27,6 @@ pub struct State {
     pub streams: Mutex<HashMap<String, JoinHandle<()>>>,
     /// Trainer control state, restored after a reconnect.
     pub trainer_state: Mutex<TrainerState>,
+    /// FTP гонщика (Вт), для перевода %FTP воркаутов в ватты.
+    pub ftp: Mutex<u16>,
 }