WIP: feat(tui): update state model from server messages

crates/cli/Cargo.toml

@@ -12,7 +12,8 @@ keywords = { workspace = true }
 categories = { workspace = true }
 
 [features]
-default = ["forgejo", "github"]
+# default = ["forgejo", "github"]
+default = ["forgejo", "github", "tui"]
 forgejo = ["git-next-forge-forgejo"]
 github = ["git-next-forge-github"]
 tui = ["ratatui"]

crates/cli/src/main.rs

@@ -1,4 +1,6 @@
 //
+#![allow(clippy::module_name_repetitions)]
+
 mod alerts;
 mod file_watcher;
 mod forge;

crates/cli/src/repo/handlers/receive_ci_status.rs

@@ -22,6 +22,8 @@ impl Handler<ReceiveCIStatus> for RepoActor {
         let repo_alias = self.repo_details.repo_alias.clone();
         let message_token = self.message_token;
         let sleep_duration = self.sleep_duration;
+        let graph_log = graph::log(&self.repo_details);
+        self.update_tui_log(graph_log.clone());
 
         debug!(?status, "");
         match status {
@@ -34,13 +36,14 @@ impl Handler<ReceiveCIStatus> for RepoActor {
             }
             Status::Fail => {
                 tracing::warn!("Checks have failed");
+
                 notify_user(
                     self.notify_user_recipient.as_ref(),
                     UserNotification::CICheckFailed {
                         forge_alias,
                         repo_alias,
                         commit: next,
-                        log: graph::log(&self.repo_details),
+                        log: graph_log,
                     },
                     log.as_ref(),
                 );

crates/cli/src/repo/handlers/receive_repo_config.rs

@@ -14,7 +14,7 @@ impl Handler<ReceiveRepoConfig> for RepoActor {
     fn handle(&mut self, msg: ReceiveRepoConfig, ctx: &mut Self::Context) -> Self::Result {
         let repo_config = msg.unwrap();
         self.repo_details.repo_config.replace(repo_config);
-
+        self.update_tui_branches();
         do_send(&ctx.address(), RegisterWebhook::new(), self.log.as_ref());
     }
 }

crates/cli/src/repo/handlers/validate_repo.rs

@@ -3,10 +3,13 @@ use actix::prelude::*;
 
 use tracing::{debug, instrument, Instrument as _};
 
-use crate::repo::{
-    do_send, logger,
-    messages::{AdvanceNext, AdvanceNextPayload, CheckCIStatus, MessageToken, ValidateRepo},
-    notify_user, RepoActor,
+use crate::{
+    repo::{
+        do_send, logger,
+        messages::{AdvanceNext, AdvanceNextPayload, CheckCIStatus, MessageToken, ValidateRepo},
+        notify_user, RepoActor,
+    },
+    server::actor::messages::RepoUpdate,
 };
 
 use git_next_core::git::validation::positions::{validate, Error, Positions};
@@ -41,6 +44,8 @@ impl Handler<ValidateRepo> for RepoActor {
             format!("accepted token: {}", self.message_token),
         );
 
+        self.update_tui(RepoUpdate::ValidateRepo);
+
         // Repository positions
         let Some(ref open_repository) = self.open_repository else {
             logger(self.log.as_ref(), "no open repository");

crates/cli/src/repo/handlers/webhook_notification.rs

@@ -135,7 +135,7 @@ fn handle_push(
     last_commit: &mut Option<Commit>,
     log: Option<&ActorLog>,
 ) -> Result<(), ()> {
-    logger(log, "message is for dev branch");
+    logger(log, format!("message is for {branch} branch"));
     let commit = Commit::from(push);
     if last_commit.as_ref() == Some(&commit) {
         logger(log, format!("not a new commit on {branch}"));

crates/cli/src/repo/mod.rs

@@ -1,7 +1,13 @@
 //
 use actix::prelude::*;
 
-use crate::alerts::messages::NotifyUser;
+use crate::{
+    alerts::messages::NotifyUser,
+    server::{
+        actor::messages::{RepoUpdate, ServerUpdate},
+        ServerActor,
+    },
+};
 use derive_more::Deref;
 use kxio::network::Network;
 use std::time::Duration;
@@ -59,6 +65,7 @@ pub struct RepoActor {
     forge: Box<dyn git::ForgeLike>,
     log: Option<ActorLog>,
     notify_user_recipient: Option<Recipient<NotifyUser>>,
+    server_addr: Option<Addr<ServerActor>>,
 }
 impl RepoActor {
     #[allow(clippy::too_many_arguments)]
@@ -71,6 +78,7 @@ impl RepoActor {
         repository_factory: Box<dyn RepositoryFactory>,
         sleep_duration: std::time::Duration,
         notify_user_recipient: Option<Recipient<NotifyUser>>,
+        server_addr: Option<Addr<ServerActor>>,
     ) -> Self {
         let message_token = messages::MessageToken::default();
         Self {
@@ -90,6 +98,44 @@ impl RepoActor {
             sleep_duration,
             log: None,
             notify_user_recipient,
+            server_addr,
+        }
+    }
+
+    fn update_tui_branches(&self) {
+        #[cfg(feature = "tui")]
+        {
+            use crate::server::actor::messages::RepoUpdate;
+            let Some(repo_config) = &self.repo_details.repo_config else {
+                return;
+            };
+            let branches = repo_config.branches().clone();
+            let repo_update = RepoUpdate::Branches { branches };
+            self.update_tui(repo_update);
+        }
+    }
+
+    fn update_tui_log(&self, log: git::graph::Log) {
+        #[cfg(feature = "tui")]
+        {
+            let repo_update = RepoUpdate::Log { log };
+            self.update_tui(repo_update);
+        }
+    }
+
+    fn update_tui(&self, repo_update: RepoUpdate) {
+        #[cfg(feature = "tui")]
+        {
+            let Some(server_addr) = &self.server_addr else {
+                return;
+            };
+
+            let update = ServerUpdate::RepoUpdate {
+                forge_alias: self.repo_details.forge.forge_alias().clone(),
+                repo_alias: self.repo_details.repo_alias.clone(),
+                repo_update,
+            };
+            server_addr.do_send(update);
         }
     }
 }

crates/cli/src/repo/tests/given.rs

@@ -195,6 +195,7 @@ pub fn a_repo_actor(
             repository_factory,
             std::time::Duration::from_nanos(1),
             None,
+            None,
         )
         .with_log(actors_log),
         log,

crates/cli/src/server/actor/handlers/mod.rs

@@ -1,5 +1,6 @@
 mod file_updated;
 mod receive_app_config;
 mod receive_valid_app_config;
+mod server_update;
 mod shutdown;
 mod subscribe_updates;

crates/cli/src/server/actor/handlers/receive_valid_app_config.rs

@@ -8,7 +8,7 @@ use crate::{
     alerts::messages::UpdateShout,
     repo::{messages::CloneRepo, RepoActor},
     server::actor::{
-        messages::{ReceiveValidAppConfig, ValidAppConfig},
+        messages::{ReceiveValidAppConfig, ServerUpdate, ValidAppConfig},
         ServerActor,
     },
     webhook::{
@@ -21,7 +21,7 @@ use crate::{
 impl Handler<ReceiveValidAppConfig> for ServerActor {
     type Result = ();
 
-    fn handle(&mut self, msg: ReceiveValidAppConfig, _ctx: &mut Self::Context) -> Self::Result {
+    fn handle(&mut self, msg: ReceiveValidAppConfig, ctx: &mut Self::Context) -> Self::Result {
         let ValidAppConfig {
             app_config,
             socket_address,
@@ -37,6 +37,7 @@ impl Handler<ReceiveValidAppConfig> for ServerActor {
         let webhook_router = WebhookRouterActor::default().start();
         let listen_url = app_config.listen().url();
         let notify_user_recipient = self.alerts.clone().recipient();
+        let server_addr = Some(ctx.address());
         // Forge Actors
         for (forge_alias, forge_config) in app_config.forges() {
             let repo_actors = self
@@ -46,6 +47,7 @@ impl Handler<ReceiveValidAppConfig> for ServerActor {
                     &server_storage,
                     listen_url,
                     &notify_user_recipient,
+                    server_addr.clone(),
                 )
                 .into_iter()
                 .map(start_repo_actor)
@@ -69,9 +71,18 @@ impl Handler<ReceiveValidAppConfig> for ServerActor {
             WebhookActor::new(socket_address, webhook_router.recipient()).start();
         self.webhook_actor_addr.replace(webhook_actor_addr);
         let shout = app_config.shout().clone();
-        self.app_config.replace(app_config);
+        self.app_config.replace(app_config.clone());
+        self.do_send(
+            ServerUpdate::AppConfigLoaded {
+                app_config: ValidAppConfig {
+                    app_config,
+                    socket_address,
+                    storage: server_storage,
+                },
+            },
+            ctx,
+        );
         self.alerts.do_send(UpdateShout::new(shout));
-        self.send_server_updates();
     }
 }
 

crates/cli/src/server/actor/handlers/server_update.rs

@@ -0,0 +1,14 @@
+use actix::Handler;
+
+//
+use crate::server::{actor::messages::ServerUpdate, ServerActor};
+
+impl Handler<ServerUpdate> for ServerActor {
+    type Result = ();
+
+    fn handle(&mut self, msg: ServerUpdate, _ctx: &mut Self::Context) -> Self::Result {
+        self.subscribers.iter().for_each(move |subscriber| {
+            subscriber.do_send(msg.clone());
+        });
+    }
+}

crates/cli/src/server/actor/messages.rs

@@ -3,10 +3,10 @@ use actix::{Message, Recipient};
 use derive_more::Constructor;
 
 use git_next_core::{
-    git::graph::Log,
+    git::{self, graph::Log, RepoDetails},
     message,
     server::{AppConfig, Storage},
-    ForgeAlias, RepoAlias, RepoBranches,
+    ForgeAlias, RepoAlias, RepoBranches, RepoConfig,
 };
 
 use std::net::SocketAddr;
@@ -40,20 +40,21 @@ message!(Shutdown, "Notification to shutdown the server actor");
 #[derive(Clone, Debug, PartialEq, Eq, Message)]
 #[rtype(result = "()")]
 pub enum ServerUpdate {
-    /// Status of a repo
-    UpdateRepoSummary {
+    /// List of all configured forges and aliases
+    AppConfigLoaded { app_config: ValidAppConfig },
+
+    RepoUpdate {
         forge_alias: ForgeAlias,
         repo_alias: RepoAlias,
-        branches: RepoBranches,
-        log: Log,
+        repo_update: RepoUpdate,
     },
-    /// remove a repo
-    RemoveRepo {
-        forge_alias: ForgeAlias,
-        repo_alias: RepoAlias,
-    },
-    /// test message
-    Ping,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum RepoUpdate {
+    Branches { branches: RepoBranches },
+    Log { log: Log },
+    ValidateRepo,
 }
 
 message!(

crates/cli/src/server/actor/mod.rs

@@ -118,6 +118,7 @@ impl ServerActor {
         server_storage: &Storage,
         listen_url: &ListenUrl,
         notify_user_recipient: &Recipient<NotifyUser>,
+        server_addr: Option<Addr<Self>>,
     ) -> Vec<(ForgeAlias, RepoAlias, RepoActor)> {
         let span =
             tracing::info_span!("create_forge_repos", name = %forge_name, config = %forge_config);
@@ -125,8 +126,13 @@ impl ServerActor {
         let _guard = span.enter();
         tracing::info!("Creating Forge");
         let mut repos = vec![];
-        let creator =
-            self.create_actor(forge_name, forge_config.clone(), server_storage, listen_url);
+        let creator = self.create_actor(
+            forge_name,
+            forge_config.clone(),
+            server_storage,
+            listen_url,
+            server_addr,
+        );
         for (repo_alias, server_repo_config) in forge_config.repos() {
             let forge_repo = creator((
                 repo_alias,
@@ -148,6 +154,7 @@ impl ServerActor {
         forge_config: ForgeConfig,
         server_storage: &Storage,
         listen_url: &ListenUrl,
+        server_addr: Option<Addr<Self>>,
     ) -> impl Fn(
         (RepoAlias, &ServerRepoConfig, Recipient<NotifyUser>),
     ) -> (ForgeAlias, RepoAlias, RepoActor) {
@@ -194,6 +201,7 @@ impl ServerActor {
                 repository_factory.duplicate(),
                 sleep_duration,
                 Some(notify_user_recipient),
+                server_addr.clone(),
             );
             (forge_name.clone(), repo_alias, actor)
         }
@@ -242,10 +250,4 @@ impl ServerActor {
             ctx.address().do_send(msg);
         }
     }
-
-    fn send_server_updates(&self) {
-        self.subscribers.iter().for_each(|subscriber| {
-            subscriber.do_send(ServerUpdate::Ping);
-        });
-    }
 }

crates/cli/src/server/mod.rs

@@ -59,7 +59,6 @@ pub fn start(
         info!("Starting Server...");
         let server =
             ServerActor::new(fs.clone(), net.clone(), alerts_addr, repo, sleep_duration).start();
-        server.do_send(FileUpdated);
 
         info!("Starting File Watcher...");
         #[allow(clippy::expect_used)]
@@ -75,18 +74,18 @@ pub fn start(
 
                 let (tx_shutdown, rx_shutdown) = channel::<()>();
                 let tui_addr = tui::Tui::new(tx_shutdown).start();
-                // tui_addr.do_send(tui::Tick);
-                let _ = tui_addr.send(tui::Tick).await;
                 server.do_send(SubscribeToUpdates::new(tui_addr.clone().recipient()));
+                server.do_send(FileUpdated); // update file after ui subscription in place
                 loop {
                     let _ = tui_addr.send(tui::Tick).await;
                     if rx_shutdown.try_recv().is_ok() {
                         break;
                     }
-                    // actix_rt::task::yield_now().await;
+                    actix_rt::time::sleep(Duration::from_millis(16)).await;
                 }
             }
         } else {
+            server.do_send(FileUpdated);
             info!("Server running - Press Ctrl-C to stop...");
             let _ = signal::ctrl_c().await;
             info!("Ctrl-C received, shutting down...");

crates/cli/src/tui/README.md

@@ -0,0 +1,121 @@
+# TUI Actor
+
+- Maintains it's own copy of data for holding state
+- Is notified of update via actor messages from the Server and Repo Actors
+- State is somewhat heirarchical
+
+## State
+
+```rust
+enum TuiState {
+ Initial,
+ Configured {
+   app_config: ValidAppConfig,
+   forges: BTreeMap<ForgeAlias, RepoState>,
+ },
+}
+enum RepoState {
+ Identified { repo_alias: RepoAlias },
+ Configured { repo_alias: RepoAlias, branches: RepoBranches },
+ Ready { repo_alias: RepoAlias, branches: RepoBranches, main: Commit, next: Commit, dev: Commit, log: Log },
+ Alert { repo_alias: RepoAlias, message: String, branches: RepoBranches, main: Commit, next: Commit, dev: Commit, log: Log },
+}
+```
+
+## State Transitions:
+
+### `TuiState`
+
+```mermaid
+stateDiagram-v2
+  * --> Initial
+  Initial --> Configured
+```
+
+- `message!(Configure, ValidAppConfig, "Initialise UI with valid config");`
+
+### `RepoState`
+
+```mermaid
+stateDiagram-v2
+  * --> Identified
+  Identified --> Configured
+  Identified --> Ready
+  Configured --> Ready
+  Ready --> Alert
+  Configured --> Alert
+  Identified --> Alert
+  Alert --> Ready
+```
+
+- `Identified` - from AppConfig where a repo alias is listed, but repo config needs to be loaded from `.git-next.toml`
+- `Configured` - as `Identified` but either branches are identified in server config, OR the `.git-next.toml` file has been loaded
+- `Ready` - as `Configured` but the branch positions have been validated and do not require user intervention
+- `Alert` - as `Ready` but user intervention is required
+
+## Widget
+
+Initial mock up of UI. Possibly add some borders and padding as it looks a little squached together.
+
+```
++ gh
+- jo
+  + test (main/next/dev)
+  - tasyn (main/next/dev)
+    * 12ab32f (dev) added feature X
+    * bce43b1 (next) added feature Y
+    * f43e379 (main) added feature Z
+  - git-next (main/next/dev) DEV NOT AHEAD OF MAIN - rebase onto main
+    * 239cefd (main/next) fix bug A
+    * b4c290a (dev)
+```
+
+Adding a border around open forges:
+
+```
++ gh
+- jo --------------------------------------------------------------------+
+| + test (main/next/dev)                                                 |
+| - tasyn (main/next/dev)                                                |
+|   * 12ab32f (dev) added feature X                                      |
+|   * bce43b1 (next) added feature Y                                     |
+|   * f43e379 (main) added feature Z                                     |
+| - git-next (main/next/dev) DEV NOT AHEAD OF MAIN - rebase onto main    |
+|   * 239cefd (main/next) fix bug A                                      |
+|   * b4c290a (dev)                                                      |
++------------------------------------------------------------------------+
+```
+
+Adding a border around open forges and repos (I like this one the best):
+
+```
++ gh
+- jo --------------------------------------------------------------------+
+| + test (main/next/dev)                                                 |
+| - tasyn (main/next/dev) ---------------------------------------------+ |
+| | * 12ab32f (dev) added feature X                                    | |
+| | * bce43b1 (next) added feature Y                                   | |
+| | * f43e379 (main) added feature Z                                   | |
+| +--------------------------------------------------------------------+ |
+| - git-next (main/next/dev) DEV NOT AHEAD OF MAIN - rebase onto main -+ |
+| | * 239cefd (main/next) fix bug A                                    | |
+| | * b4c290a (dev)                                                    | |
+| +--------------------------------------------------------------------+ |
++------------------------------------------------------------------------+
+```
+
+## Logging
+
+- tui-logger to create an optional panel to show the normal server logs
+
+## Branch Graph
+
+- tui-nodes ?
+
+## Scrolling
+
+- tui-scrollview
+
+## Tree View
+
+- tui-tree-widget

crates/cli/src/tui/actor/handlers/server_update.rs

@@ -1,27 +1,43 @@
-use std::time::Instant;
-
+//
 use actix::Handler;
 
-use crate::{server::actor::messages::ServerUpdate, tui::Tui};
+use crate::{
+    server::actor::messages::{RepoUpdate, ServerUpdate},
+    tui::{actor::ServerState, Tui},
+};
 
-//
 impl Handler<ServerUpdate> for Tui {
     type Result = ();
 
     fn handle(&mut self, msg: ServerUpdate, _ctx: &mut Self::Context) -> Self::Result {
+        self.state.tap();
         match msg {
-            ServerUpdate::UpdateRepoSummary {
+            ServerUpdate::AppConfigLoaded { app_config } => {
+                self.state.mode = ServerState::from(app_config);
+            }
+
+            ServerUpdate::RepoUpdate {
                 forge_alias,
                 repo_alias,
-                branches,
-                log,
-            } => todo!(),
-            ServerUpdate::RemoveRepo {
-                forge_alias,
-                repo_alias,
-            } => todo!(),
-            ServerUpdate::Ping => {
-                self.last_ping = Instant::now();
+                repo_update,
+            } => {
+                if let ServerState::Configured { forges } = &mut self.state.mode {
+                    let Some(forge_state) = forges.get_mut(&forge_alias) else {
+                        return;
+                    };
+                    let Some(repo_state) = forge_state.repos.get_mut(&repo_alias) else {
+                        return;
+                    };
+                    match repo_update {
+                        RepoUpdate::Branches { branches } => {
+                            repo_state.update_branches(branches);
+                        }
+                        RepoUpdate::Log { log } => {
+                            repo_state.update_log(log);
+                        }
+                        RepoUpdate::ValidateRepo => (), //self.state.mode.validate(&forge_alias, &repo_alias),
+                    }
+                }
             }
         }
     }

crates/cli/src/tui/actor/handlers/tick.rs

@@ -1,12 +1,5 @@
 //
-use std::{borrow::BorrowMut, time::Instant};
-
-use actix::{ActorContext, Handler};
-use ratatui::{
-    crossterm::event::{self, KeyCode, KeyEventKind},
-    style::Stylize as _,
-    widgets::Paragraph,
-};
+use actix::Handler;
 
 use crate::tui::actor::{messages::Tick, Tui};
 
@@ -14,44 +7,9 @@ impl Handler<Tick> for Tui {
     type Result = std::io::Result<()>;
 
     fn handle(&mut self, _msg: Tick, ctx: &mut Self::Context) -> Self::Result {
-        if let Some(terminal) = self.terminal.borrow_mut() {
-            terminal.draw(|frame| {
-                let area = frame.area();
-                frame.render_widget(
-                    Paragraph::new(format!(
-                        "(press 'q' to quit) Ping:[{:?}] UI:[{:?}]",
-                        self.last_ping,
-                        Instant::now()
-                    ))
-                    .white()
-                    .on_blue(),
-                    area,
-                );
-            })?;
-        } else {
-            eprintln!("No terminal setup");
-        }
-        if event::poll(std::time::Duration::from_millis(16))? {
-            if let event::Event::Key(key) = event::read()? {
-                if key.kind == KeyEventKind::Press {
-                    match key.code {
-                        KeyCode::Char('q') => {
-                            // execute!(stderr(), LeaveAlternateScreen)?;
-                            // disable_raw_mode()?;
-                            ctx.stop();
-                            if let Err(err) = self.signal_shutdown.send(()) {
-                                tracing::error!(?err, "Failed to signal shutdown");
-                            }
-                        }
-                        KeyCode::Esc => {
-                            //
-                        }
-                        _ => (),
-                    }
-                }
-            }
-        }
-
+        self.state.tap();
+        self.draw()?;
+        self.handle_input(ctx)?;
         Ok(())
     }
 }

crates/cli/src/tui/actor/messages.rs

@@ -1,4 +1,4 @@
 //
 use git_next_core::message;
 
-message!(Tick => std::io::Result<()>, "Start the TUI");
+message!(Tick => std::io::Result<()>, "Update the TUI");

crates/cli/src/tui/actor/mod.rs

@@ -1,17 +1,20 @@
 //
 mod handlers;
 pub mod messages;
+mod model;
 
 use std::{
     io::{stderr, Stderr},
     sync::mpsc::Sender,
-    time::Instant,
 };
 
-use actix::{Actor, Context};
+use actix::{Actor, ActorContext as _, Context};
+
+pub use model::*;
 
 use ratatui::{
     crossterm::{
+        event::{self, KeyCode, KeyEventKind},
         execute,
         terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
     },
@@ -23,7 +26,7 @@ use ratatui::{
 pub struct Tui {
     terminal: Option<Terminal<CrosstermBackend<Stderr>>>,
     signal_shutdown: Sender<()>,
-    last_ping: Instant,
+    pub state: State,
 }
 impl Actor for Tui {
     type Context = Context<Self>;
@@ -58,9 +61,48 @@ impl Tui {
         Self {
             terminal: None,
             signal_shutdown,
-            last_ping: Instant::now(),
+            state: State::initial(),
         }
     }
+
+    pub const fn state(&self) -> &State {
+        &self.state
+    }
+
+    fn draw(&mut self) -> std::io::Result<()> {
+        let t = self.terminal.take();
+        if let Some(mut terminal) = t {
+            terminal.draw(|frame| {
+                frame.render_widget(self.state(), frame.area());
+            })?;
+            self.terminal = Some(terminal);
+        } else {
+            eprintln!("No terminal setup");
+        }
+        Ok(())
+    }
+
+    fn handle_input(&self, ctx: &mut <Self as actix::Actor>::Context) -> std::io::Result<()> {
+        if event::poll(std::time::Duration::from_millis(16))? {
+            if let event::Event::Key(key) = event::read()? {
+                if key.kind == KeyEventKind::Press {
+                    match key.code {
+                        KeyCode::Char('q') => {
+                            ctx.stop();
+                            if let Err(err) = self.signal_shutdown.send(()) {
+                                tracing::error!(?err, "Failed to signal shutdown");
+                            }
+                        }
+                        KeyCode::Esc => {
+                            //
+                        }
+                        _ => (),
+                    }
+                }
+            }
+        }
+        Ok(())
+    }
 }
 
 fn init() -> std::io::Result<Terminal<CrosstermBackend<Stderr>>> {

crates/cli/src/tui/actor/model.rs

@@ -0,0 +1,307 @@
+//
+use ratatui::{
+    layout::Alignment,
+    prelude::{Buffer, Rect},
+    style::Stylize as _,
+    symbols::border,
+    text::Line,
+    widgets::{block::Title, Block, Paragraph, Widget},
+};
+
+use git_next_core::{git::graph::Log, BranchName, ForgeAlias, RepoAlias, RepoBranches};
+
+use std::{collections::BTreeMap, time::Instant};
+
+use crate::{server::actor::messages::ValidAppConfig, tui::components::ConfiguredAppWidget};
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct State {
+    last_update: Instant,
+    pub mode: ServerState,
+}
+impl State {
+    pub fn initial() -> Self {
+        Self {
+            last_update: Instant::now(),
+            mode: ServerState::Initial { tick: 0 },
+        }
+    }
+
+    pub fn tap(&mut self) {
+        self.last_update = Instant::now();
+        if let ServerState::Initial { tick } = &mut self.mode {
+            *tick += 1;
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum ServerState {
+    /// UI has started but has no information on the state of the server
+    Initial { tick: usize }, // NOTE: for use with throbber-widgets-tui ?
+
+    /// The application configuration has been loaded, individual forges and repos have their own
+    /// states
+    Configured {
+        forges: BTreeMap<ForgeAlias, ForgeState>,
+    },
+}
+impl ServerState {
+    pub fn update_branches(
+        &mut self,
+        forge_alias: &ForgeAlias,
+        repo_alias: &RepoAlias,
+        branches: RepoBranches,
+    ) {
+        if let Self::Configured { forges } = self {
+            let Some(forge_state) = forges.get_mut(forge_alias) else {
+                return;
+            };
+            let Some(repo_state) = forge_state.repos.get_mut(repo_alias) else {
+                return;
+            };
+            match repo_state {
+                RepoState::Configured {
+                    repo_alias: _,
+                    branches: state_branches,
+                }
+                | RepoState::Ready {
+                    repo_alias: _,
+                    branches: state_branches,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: _,
+                }
+                | RepoState::Alert {
+                    repo_alias: _,
+                    branches: state_branches,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: _,
+                    message: _,
+                } => *state_branches = branches,
+
+                RepoState::Identified { repo_alias: _ } => (),
+            }
+        }
+    }
+
+    pub fn update_log(&mut self, forge_alias: &ForgeAlias, repo_alias: &RepoAlias, log: Log) {
+        if let Self::Configured { forges } = self {
+            let Some(forge_state) = forges.get_mut(forge_alias) else {
+                return;
+            };
+            let Some(repo_state) = forge_state.repos.get_mut(repo_alias) else {
+                return;
+            };
+            match repo_state {
+                RepoState::Ready {
+                    repo_alias: _,
+                    branches: _,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: state_log,
+                }
+                | RepoState::Alert {
+                    repo_alias: _,
+                    branches: _,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: state_log,
+                    message: _,
+                } => *state_log = log,
+
+                RepoState::Identified { repo_alias: _ }
+                | RepoState::Configured {
+                    repo_alias: _,
+                    branches: _,
+                } => (),
+            }
+        }
+    }
+}
+impl From<ValidAppConfig> for ServerState {
+    fn from(app_config: ValidAppConfig) -> Self {
+        Self::Configured {
+            forges: app_config
+                .app_config
+                .forges()
+                .map(|(forge_alias, config)| {
+                    (
+                        forge_alias,
+                        config
+                            .repos()
+                            .map(|(repo_alias, server_repo_config)| {
+                                (repo_alias, server_repo_config.repo_config())
+                            })
+                            .map(
+                                |(repo_alias, option_repo_config)| match option_repo_config {
+                                    Some(rc) => (
+                                        repo_alias.clone(),
+                                        RepoState::Configured {
+                                            repo_alias,
+                                            branches: rc.branches().clone(),
+                                        },
+                                    ),
+                                    None => {
+                                        (repo_alias.clone(), RepoState::Identified { repo_alias })
+                                    }
+                                },
+                            )
+                            .collect::<Vec<_>>(),
+                    )
+                })
+                .map(|(forge_alias, vec_repo_alias_state)| {
+                    let forge_state: ForgeState = ForgeState {
+                        alias: forge_alias.clone(),
+                        view_state: ViewState::default(),
+                        repos: vec_repo_alias_state.into_iter().collect::<BTreeMap<_, _>>(),
+                    };
+                    (forge_alias, forge_state)
+                })
+                .collect::<BTreeMap<_, _>>(),
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
+pub enum ViewState {
+    Collapsed,
+    #[default]
+    Expanded,
+}
+
+#[derive(Clone, Debug, Default, PartialEq, Eq)]
+pub struct ForgeState {
+    pub alias: ForgeAlias,
+    pub view_state: ViewState,
+    pub repos: BTreeMap<RepoAlias, RepoState>,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum RepoState {
+    Identified {
+        repo_alias: RepoAlias,
+    },
+    Configured {
+        repo_alias: RepoAlias,
+        branches: RepoBranches,
+    },
+    Ready {
+        repo_alias: RepoAlias,
+        branches: RepoBranches,
+        view_state: ViewState,
+        main: BranchName,
+        next: BranchName,
+        dev: BranchName,
+        log: Log,
+    },
+    Alert {
+        repo_alias: RepoAlias,
+        branches: RepoBranches,
+        view_state: ViewState,
+        main: BranchName,
+        next: BranchName,
+        dev: BranchName,
+        log: Log,
+        message: String,
+    },
+}
+impl RepoState {
+    pub fn update_branches(&mut self, branches: RepoBranches) {
+        match self {
+            Self::Configured {
+                repo_alias: _,
+                branches: state_branches,
+            }
+            | Self::Ready {
+                repo_alias: _,
+                branches: state_branches,
+                view_state: _,
+                main: _,
+                next: _,
+                dev: _,
+                log: _,
+            }
+            | Self::Alert {
+                repo_alias: _,
+                branches: state_branches,
+                view_state: _,
+                main: _,
+                next: _,
+                dev: _,
+                log: _,
+                message: _,
+            } => *state_branches = branches,
+
+            Self::Identified { repo_alias: _ } => (),
+        }
+    }
+
+    pub fn update_log(&mut self, log: Log) {
+        match self {
+            Self::Ready {
+                repo_alias: _,
+                branches: _,
+                view_state: _,
+                main: _,
+                next: _,
+                dev: _,
+                log: state_log,
+            }
+            | Self::Alert {
+                repo_alias: _,
+                branches: _,
+                view_state: _,
+                main: _,
+                next: _,
+                dev: _,
+                log: state_log,
+                message: _,
+            } => *state_log = log,
+
+            Self::Identified { repo_alias: _ }
+            | Self::Configured {
+                repo_alias: _,
+                branches: _,
+            } => (),
+        }
+    }
+}
+
+impl Widget for &State {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        let block = Block::bordered()
+            .title(Title::from(" Git-Next ".bold()).alignment(Alignment::Center))
+            .title(
+                Title::from(Line::from(vec![
+                    " [q]uit ".into(),
+                    format!("{:?}", self.last_update).into(),
+                ]))
+                .alignment(Alignment::Center)
+                .position(ratatui::widgets::block::Position::Bottom),
+            )
+            .border_set(border::THICK);
+        let interior = block.inner(area);
+        block.render(area, buf);
+        match &self.mode {
+            ServerState::Initial { tick } => Paragraph::new(format!("Loading...{tick}"))
+                .centered()
+                .render(interior, buf),
+            ServerState::Configured { forges } => {
+                ConfiguredAppWidget { forges }.render(interior, buf);
+            }
+        }
+    }
+}

crates/cli/src/tui/components/configured_app.rs

@@ -0,0 +1,52 @@
+use std::collections::BTreeMap;
+
+use git_next_core::ForgeAlias;
+use ratatui::{
+    buffer::Buffer,
+    layout::{Constraint, Direction, Layout, Rect},
+    text::Line,
+    widgets::Widget,
+};
+
+use crate::tui::actor::{ForgeState, ViewState};
+
+use super::forge::ForgeWidget;
+
+pub struct ConfiguredAppWidget<'a> {
+    pub forges: &'a BTreeMap<ForgeAlias, ForgeState>,
+}
+impl<'a> Widget for ConfiguredAppWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        let layout_app = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(vec![Constraint::Length(1), Constraint::Fill(1)])
+            .split(area);
+
+        Line::from(format!("Forges: ({})", self.forges.keys().len())).render(layout_app[0], buf);
+
+        let layout_forge_list = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(
+                self.forges
+                    .iter()
+                    .map(|(_alias, state)| match state.view_state {
+                        ViewState::Collapsed => Constraint::Length(1),
+                        ViewState::Expanded => Constraint::Fill(1),
+                    }),
+            )
+            .split(layout_app[1]);
+
+        self.forges
+            .iter()
+            .map(|(forge_alias, state)| ForgeWidget {
+                forge_alias,
+                repos: &state.repos,
+                view_state: state.view_state,
+            })
+            .enumerate()
+            .for_each(|(i, w)| w.render(layout_forge_list[i], buf));
+    }
+}

crates/cli/src/tui/components/forge/collapsed.rs

@@ -0,0 +1,15 @@
+//
+use git_next_core::ForgeAlias;
+use ratatui::{buffer::Buffer, layout::Rect, text::Text, widgets::Widget};
+
+pub struct CollapsedForgeWidget<'a> {
+    pub forge_alias: &'a ForgeAlias,
+}
+impl<'a> Widget for CollapsedForgeWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        Text::from(format!("- {}", self.forge_alias)).render(area, buf);
+    }
+}

crates/cli/src/tui/components/forge/expanded.rs

@@ -0,0 +1,68 @@
+//
+use std::collections::BTreeMap;
+
+use git_next_core::{ForgeAlias, RepoAlias};
+use ratatui::{
+    buffer::Buffer,
+    layout::{Alignment, Constraint, Direction, Layout, Rect},
+    widgets::{block::Title, Block, Borders, Widget},
+};
+
+use crate::tui::{actor::RepoState, components::repo::RepoWidget};
+
+pub struct ExpandedForgeWidget<'a> {
+    pub forge_alias: &'a ForgeAlias,
+    pub repos: &'a BTreeMap<RepoAlias, RepoState>,
+}
+impl<'a> Widget for ExpandedForgeWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        let block = Block::default()
+            .title(Title::from(self.forge_alias.to_string()).alignment(Alignment::Left))
+            .borders(Borders::ALL);
+        let layout_forge = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(vec![Constraint::Length(1), Constraint::Fill(1)])
+            .split(block.inner(area));
+        block.render(area, buf);
+
+        let layout_repo_list = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(self.repos.iter().map(|(_alias, state)| match state {
+                RepoState::Identified { repo_alias: _ }
+                | RepoState::Configured {
+                    repo_alias: _,
+                    branches: _,
+                } => Constraint::Length(1),
+
+                RepoState::Ready {
+                    repo_alias: _,
+                    branches: _,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: _,
+                }
+                | RepoState::Alert {
+                    repo_alias: _,
+                    branches: _,
+                    view_state: _,
+                    main: _,
+                    next: _,
+                    dev: _,
+                    log: _,
+                    message: _,
+                } => Constraint::Fill(1),
+            }))
+            .split(layout_forge[1]);
+
+        self.repos
+            .values()
+            .map(|repo_state| RepoWidget { repo_state })
+            .enumerate()
+            .for_each(|(i, w)| w.render(layout_repo_list[i], buf));
+    }
+}

crates/cli/src/tui/components/forge/mod.rs

@@ -0,0 +1,34 @@
+//
+mod collapsed;
+mod expanded;
+
+use std::collections::BTreeMap;
+
+use git_next_core::{ForgeAlias, RepoAlias};
+use ratatui::{buffer::Buffer, layout::Rect, widgets::Widget};
+
+use crate::tui::actor::{RepoState, ViewState};
+
+pub struct ForgeWidget<'a> {
+    pub forge_alias: &'a ForgeAlias,
+    pub repos: &'a BTreeMap<RepoAlias, RepoState>,
+    pub view_state: ViewState,
+}
+impl<'a> Widget for ForgeWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        match self.view_state {
+            ViewState::Collapsed => collapsed::CollapsedForgeWidget {
+                forge_alias: self.forge_alias,
+            }
+            .render(area, buf),
+            ViewState::Expanded => expanded::ExpandedForgeWidget {
+                forge_alias: self.forge_alias,
+                repos: self.repos,
+            }
+            .render(area, buf),
+        }
+    }
+}

crates/cli/src/tui/components/mod.rs

@@ -0,0 +1,5 @@
+mod configured_app;
+mod forge;
+mod repo;
+
+pub use configured_app::ConfiguredAppWidget;

crates/cli/src/tui/components/repo/alert.rs

@@ -0,0 +1,32 @@
+//
+use git_next_core::{git::graph::Log, BranchName, RepoAlias, RepoBranches};
+
+use ratatui::{buffer::Buffer, layout::Rect, text::Text, widgets::Widget};
+
+use crate::tui::actor::ViewState;
+
+pub struct AlertRepoWidget<'a> {
+    pub repo_alias: &'a RepoAlias,
+    pub branches: &'a RepoBranches,
+    pub view_state: &'a ViewState,
+    pub main: &'a BranchName,
+    pub next: &'a BranchName,
+    pub dev: &'a BranchName,
+    pub log: &'a Log,
+    pub message: &'a str,
+}
+impl<'a> Widget for AlertRepoWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        Text::from(format!(
+            "- {} ({}/{}/{}) [alert]",
+            self.repo_alias,
+            self.branches.main(),
+            self.branches.next(),
+            self.branches.dev()
+        ))
+        .render(area, buf);
+    }
+}

crates/cli/src/tui/components/repo/configured.rs

@@ -0,0 +1,24 @@
+//
+use git_next_core::{RepoAlias, RepoBranches};
+
+use ratatui::{buffer::Buffer, layout::Rect, text::Text, widgets::Widget};
+
+pub struct ConfiguredRepoWidget<'a> {
+    pub repo_alias: &'a RepoAlias,
+    pub branches: &'a RepoBranches,
+}
+impl<'a> Widget for ConfiguredRepoWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        Text::from(format!(
+            "- {} ({}/{}/{}) [configured]",
+            self.repo_alias,
+            self.branches.main(),
+            self.branches.next(),
+            self.branches.dev()
+        ))
+        .render(area, buf);
+    }
+}

crates/cli/src/tui/components/repo/identified.rs

@@ -0,0 +1,16 @@
+//
+use git_next_core::RepoAlias;
+
+use ratatui::{buffer::Buffer, layout::Rect, text::Text, widgets::Widget};
+
+pub struct IdentifiedRepoWidget<'a> {
+    pub repo_alias: &'a RepoAlias,
+}
+impl<'a> Widget for IdentifiedRepoWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        Text::from(format!("- {} (loading...) [identified]", self.repo_alias)).render(area, buf);
+    }
+}

crates/cli/src/tui/components/repo/mod.rs

@@ -0,0 +1,78 @@
+//
+mod alert;
+mod configured;
+mod identified;
+mod ready;
+
+use alert::AlertRepoWidget;
+use configured::ConfiguredRepoWidget;
+use identified::IdentifiedRepoWidget;
+use ratatui::{buffer::Buffer, layout::Rect, widgets::Widget};
+use ready::ReadyRepoWidget;
+
+use crate::tui::actor::RepoState;
+
+pub struct RepoWidget<'a> {
+    pub repo_state: &'a RepoState,
+}
+impl<'a> Widget for RepoWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        match self.repo_state {
+            RepoState::Identified { repo_alias } => {
+                IdentifiedRepoWidget { repo_alias }.render(area, buf);
+            }
+
+            RepoState::Configured {
+                repo_alias,
+                branches,
+            } => ConfiguredRepoWidget {
+                repo_alias,
+                branches,
+            }
+            .render(area, buf),
+
+            RepoState::Ready {
+                repo_alias,
+                branches,
+                view_state,
+                main,
+                next,
+                dev,
+                log,
+            } => ReadyRepoWidget {
+                repo_alias,
+                branches,
+                view_state,
+                main,
+                next,
+                dev,
+                log,
+            }
+            .render(area, buf),
+
+            RepoState::Alert {
+                repo_alias,
+                branches,
+                view_state,
+                main,
+                next,
+                dev,
+                log,
+                message,
+            } => AlertRepoWidget {
+                repo_alias,
+                branches,
+                view_state,
+                main,
+                next,
+                dev,
+                log,
+                message,
+            }
+            .render(area, buf),
+        };
+    }
+}

crates/cli/src/tui/components/repo/ready.rs

@@ -0,0 +1,31 @@
+//
+use git_next_core::{git::graph::Log, BranchName, RepoAlias, RepoBranches};
+
+use ratatui::{buffer::Buffer, layout::Rect, text::Text, widgets::Widget};
+
+use crate::tui::actor::ViewState;
+
+pub struct ReadyRepoWidget<'a> {
+    pub repo_alias: &'a RepoAlias,
+    pub branches: &'a RepoBranches,
+    pub view_state: &'a ViewState,
+    pub main: &'a BranchName,
+    pub next: &'a BranchName,
+    pub dev: &'a BranchName,
+    pub log: &'a Log,
+}
+impl<'a> Widget for ReadyRepoWidget<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        Text::from(format!(
+            "- {} ({}/{}/{}) [ready]",
+            self.repo_alias,
+            self.branches.main(),
+            self.branches.next(),
+            self.branches.dev()
+        ))
+        .render(area, buf);
+    }
+}

crates/cli/src/tui/mod.rs

@@ -1,5 +1,6 @@
 //
 mod actor;
+pub mod components;
 
 pub use actor::messages::Tick;
 pub use actor::Tui;

crates/core/src/config/server_repo_config.rs

@@ -47,7 +47,8 @@ impl ServerRepoConfig {
     }
 
     /// Returns a `RepoConfig` from the server configuration if ALL THREE branches were provided
-    pub(crate) fn repo_config(&self) -> Option<RepoConfig> {
+    #[must_use]
+    pub fn repo_config(&self) -> Option<RepoConfig> {
         match (&self.main, &self.next, &self.dev) {
             (Some(main), Some(next), Some(dev)) => Some(RepoConfig::new(
                 RepoBranches::new(main.to_string(), next.to_string(), dev.to_string()),

crates/core/src/git/graph.rs

@@ -1,5 +1,4 @@
 //
-
 use std::borrow::ToOwned;
 
 use take_until::TakeUntilExt;