feat: Full Lidarr system support for both the CLI and TUI

src/handlers/lidarr_handlers/indexers/indexers_handler_tests.rs

@@ -101,9 +101,9 @@ mod tests {
 
       assert_eq!(
         app.data.lidarr_data.main_tabs.get_active_route(),
-        ActiveLidarrBlock::Artists.into()
+        ActiveLidarrBlock::System.into()
       );
-      assert_navigation_pushed!(app, ActiveLidarrBlock::Artists.into());
+      assert_navigation_pushed!(app, ActiveLidarrBlock::System.into());
     }
 
     #[rstest]

src/handlers/lidarr_handlers/lidarr_handler_tests.rs

@@ -52,11 +52,12 @@ mod tests {
   }
 
   #[rstest]
-  #[case(0, ActiveLidarrBlock::Indexers, ActiveLidarrBlock::Downloads)]
+  #[case(0, ActiveLidarrBlock::System, ActiveLidarrBlock::Downloads)]
   #[case(1, ActiveLidarrBlock::Artists, ActiveLidarrBlock::History)]
   #[case(2, ActiveLidarrBlock::Downloads, ActiveLidarrBlock::RootFolders)]
   #[case(3, ActiveLidarrBlock::History, ActiveLidarrBlock::Indexers)]
-  #[case(4, ActiveLidarrBlock::RootFolders, ActiveLidarrBlock::Artists)]
+  #[case(4, ActiveLidarrBlock::RootFolders, ActiveLidarrBlock::System)]
+  #[case(5, ActiveLidarrBlock::Indexers, ActiveLidarrBlock::Artists)]
   fn test_lidarr_handler_change_tab_left_right_keys(
     #[case] index: usize,
     #[case] left_block: ActiveLidarrBlock,
@@ -85,11 +86,12 @@ mod tests {
   }
 
   #[rstest]
-  #[case(0, ActiveLidarrBlock::Indexers, ActiveLidarrBlock::Downloads)]
+  #[case(0, ActiveLidarrBlock::System, ActiveLidarrBlock::Downloads)]
   #[case(1, ActiveLidarrBlock::Artists, ActiveLidarrBlock::History)]
   #[case(2, ActiveLidarrBlock::Downloads, ActiveLidarrBlock::RootFolders)]
   #[case(3, ActiveLidarrBlock::History, ActiveLidarrBlock::Indexers)]
-  #[case(4, ActiveLidarrBlock::RootFolders, ActiveLidarrBlock::Artists)]
+  #[case(4, ActiveLidarrBlock::RootFolders, ActiveLidarrBlock::System)]
+  #[case(5, ActiveLidarrBlock::Indexers, ActiveLidarrBlock::Artists)]
   fn test_lidarr_handler_change_tab_left_right_keys_alt_navigation(
     #[case] index: usize,
     #[case] left_block: ActiveLidarrBlock,
@@ -123,6 +125,7 @@ mod tests {
   #[case(2, ActiveLidarrBlock::History)]
   #[case(3, ActiveLidarrBlock::RootFolders)]
   #[case(4, ActiveLidarrBlock::Indexers)]
+  #[case(5, ActiveLidarrBlock::System)]
   fn test_lidarr_handler_change_tab_left_right_keys_alt_navigation_no_op_when_ignoring_quit_key(
     #[case] index: usize,
     #[case] block: ActiveLidarrBlock,
@@ -250,4 +253,23 @@ mod tests {
       active_sonarr_block
     );
   }
+
+  #[rstest]
+  fn test_delegates_system_blocks_to_system_handler(
+    #[values(
+      ActiveLidarrBlock::System,
+      ActiveLidarrBlock::SystemLogs,
+      ActiveLidarrBlock::SystemQueuedEvents,
+      ActiveLidarrBlock::SystemTasks,
+      ActiveLidarrBlock::SystemTaskStartConfirmPrompt,
+      ActiveLidarrBlock::SystemUpdates
+    )]
+    active_sonarr_block: ActiveLidarrBlock,
+  ) {
+    test_handler_delegation!(
+      LidarrHandler,
+      ActiveLidarrBlock::System,
+      active_sonarr_block
+    );
+  }
 }

src/handlers/lidarr_handlers/mod.rs

@@ -5,6 +5,7 @@ use library::LibraryHandler;
 use super::KeyEventHandler;
 use crate::handlers::lidarr_handlers::downloads::DownloadsHandler;
 use crate::handlers::lidarr_handlers::root_folders::RootFoldersHandler;
+use crate::handlers::lidarr_handlers::system::SystemHandler;
 use crate::models::Route;
 use crate::{
   app::App, event::Key, matches_key, models::servarr_data::lidarr::lidarr_data::ActiveLidarrBlock,
@@ -14,11 +15,12 @@ mod downloads;
 mod history;
 mod indexers;
 mod library;
+mod root_folders;
+mod system;
 
 #[cfg(test)]
 #[path = "lidarr_handler_tests.rs"]
 mod lidarr_handler_tests;
-mod root_folders;
 
 pub(super) struct LidarrHandler<'a, 'b> {
   key: Key,
@@ -46,6 +48,9 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveLidarrBlock> for LidarrHandler<'a, 'b
       _ if IndexersHandler::accepts(self.active_lidarr_block) => {
         IndexersHandler::new(self.key, self.app, self.active_lidarr_block, self.context).handle();
       }
+      _ if SystemHandler::accepts(self.active_lidarr_block) => {
+        SystemHandler::new(self.key, self.app, self.active_lidarr_block, self.context).handle();
+      }
       _ => self.handle_key_event(),
     }
   }
@@ -54,10 +59,6 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveLidarrBlock> for LidarrHandler<'a, 'b
     true
   }
 
-  fn ignore_special_keys(&self) -> bool {
-    self.app.ignore_special_keys_for_textbox_input
-  }
-
   fn new(
     key: Key,
     app: &'a mut App<'b>,
@@ -76,6 +77,10 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveLidarrBlock> for LidarrHandler<'a, 'b
     self.key
   }
 
+  fn ignore_special_keys(&self) -> bool {
+    self.app.ignore_special_keys_for_textbox_input
+  }
+
   fn is_ready(&self) -> bool {
     true
   }

src/handlers/lidarr_handlers/system/mod.rs

@@ -0,0 +1,135 @@
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::lidarr_handlers::handle_change_tab_left_right_keys;
+use crate::handlers::lidarr_handlers::system::system_details_handler::SystemDetailsHandler;
+use crate::handlers::{KeyEventHandler, handle_clear_errors};
+use crate::matches_key;
+use crate::models::servarr_data::lidarr::lidarr_data::ActiveLidarrBlock;
+use crate::models::{Route, Scrollable};
+
+mod system_details_handler;
+
+#[cfg(test)]
+#[path = "system_handler_tests.rs"]
+mod system_handler_tests;
+
+pub(super) struct SystemHandler<'a, 'b> {
+  key: Key,
+  app: &'a mut App<'b>,
+  active_lidarr_block: ActiveLidarrBlock,
+  context: Option<ActiveLidarrBlock>,
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveLidarrBlock> for SystemHandler<'a, 'b> {
+  fn handle(&mut self) {
+    match self.active_lidarr_block {
+      _ if SystemDetailsHandler::accepts(self.active_lidarr_block) => {
+        SystemDetailsHandler::new(self.key, self.app, self.active_lidarr_block, self.context)
+          .handle()
+      }
+      _ => self.handle_key_event(),
+    }
+  }
+
+  fn accepts(active_block: ActiveLidarrBlock) -> bool {
+    SystemDetailsHandler::accepts(active_block) || active_block == ActiveLidarrBlock::System
+  }
+
+  fn new(
+    key: Key,
+    app: &'a mut App<'b>,
+    active_block: ActiveLidarrBlock,
+    context: Option<ActiveLidarrBlock>,
+  ) -> SystemHandler<'a, 'b> {
+    SystemHandler {
+      key,
+      app,
+      active_lidarr_block: active_block,
+      context,
+    }
+  }
+
+  fn get_key(&self) -> Key {
+    self.key
+  }
+
+  fn ignore_special_keys(&self) -> bool {
+    self.app.ignore_special_keys_for_textbox_input
+  }
+
+  fn is_ready(&self) -> bool {
+    !self.app.is_loading
+      && !self.app.data.lidarr_data.logs.is_empty()
+      && !self.app.data.lidarr_data.queued_events.is_empty()
+      && !self.app.data.lidarr_data.tasks.is_empty()
+  }
+
+  fn handle_scroll_up(&mut self) {}
+
+  fn handle_scroll_down(&mut self) {}
+
+  fn handle_home(&mut self) {}
+
+  fn handle_end(&mut self) {}
+
+  fn handle_delete(&mut self) {}
+
+  fn handle_left_right_action(&mut self) {
+    if self.active_lidarr_block == ActiveLidarrBlock::System {
+      handle_change_tab_left_right_keys(self.app, self.key);
+    }
+  }
+
+  fn handle_submit(&mut self) {}
+
+  fn handle_esc(&mut self) {
+    handle_clear_errors(self.app)
+  }
+
+  fn handle_char_key_event(&mut self) {
+    if self.active_lidarr_block == ActiveLidarrBlock::System {
+      let key = self.key;
+      match self.key {
+        _ if matches_key!(refresh, key) => {
+          self.app.should_refresh = true;
+        }
+        _ if matches_key!(events, key) => {
+          self
+            .app
+            .push_navigation_stack(ActiveLidarrBlock::SystemQueuedEvents.into());
+        }
+        _ if matches_key!(logs, key) => {
+          self
+            .app
+            .push_navigation_stack(ActiveLidarrBlock::SystemLogs.into());
+          self
+            .app
+            .data
+            .lidarr_data
+            .log_details
+            .set_items(self.app.data.lidarr_data.logs.items.to_vec());
+          self.app.data.lidarr_data.log_details.scroll_to_bottom();
+        }
+        _ if matches_key!(tasks, key) => {
+          self
+            .app
+            .push_navigation_stack(ActiveLidarrBlock::SystemTasks.into());
+        }
+        _ if matches_key!(update, key) => {
+          self
+            .app
+            .push_navigation_stack(ActiveLidarrBlock::SystemUpdates.into());
+        }
+        _ => (),
+      }
+    }
+  }
+
+  fn app_mut(&mut self) -> &mut App<'b> {
+    self.app
+  }
+
+  fn current_route(&self) -> Route {
+    self.app.get_current_route()
+  }
+}

src/handlers/lidarr_handlers/system/system_details_handler.rs

@@ -0,0 +1,207 @@
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::{KeyEventHandler, handle_prompt_toggle};
+use crate::matches_key;
+use crate::models::lidarr_models::LidarrTaskName;
+use crate::models::servarr_data::lidarr::lidarr_data::{ActiveLidarrBlock, SYSTEM_DETAILS_BLOCKS};
+use crate::models::stateful_list::StatefulList;
+use crate::models::{Route, Scrollable};
+use crate::network::lidarr_network::LidarrEvent;
+
+#[cfg(test)]
+#[path = "system_details_handler_tests.rs"]
+mod system_details_handler_tests;
+
+pub(super) struct SystemDetailsHandler<'a, 'b> {
+  key: Key,
+  app: &'a mut App<'b>,
+  active_lidarr_block: ActiveLidarrBlock,
+  _context: Option<ActiveLidarrBlock>,
+}
+
+impl SystemDetailsHandler<'_, '_> {
+  fn extract_task_name(&self) -> LidarrTaskName {
+    self
+      .app
+      .data
+      .lidarr_data
+      .tasks
+      .current_selection()
+      .task_name
+  }
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveLidarrBlock> for SystemDetailsHandler<'a, 'b> {
+  fn accepts(active_block: ActiveLidarrBlock) -> bool {
+    SYSTEM_DETAILS_BLOCKS.contains(&active_block)
+  }
+
+  fn new(
+    key: Key,
+    app: &'a mut App<'b>,
+    active_block: ActiveLidarrBlock,
+    context: Option<ActiveLidarrBlock>,
+  ) -> SystemDetailsHandler<'a, 'b> {
+    SystemDetailsHandler {
+      key,
+      app,
+      active_lidarr_block: active_block,
+      _context: context,
+    }
+  }
+
+  fn get_key(&self) -> Key {
+    self.key
+  }
+
+  fn ignore_special_keys(&self) -> bool {
+    self.app.ignore_special_keys_for_textbox_input
+  }
+
+  fn is_ready(&self) -> bool {
+    !self.app.is_loading
+      && (!self.app.data.lidarr_data.log_details.is_empty()
+        || !self.app.data.lidarr_data.tasks.is_empty()
+        || !self.app.data.lidarr_data.updates.is_empty())
+  }
+
+  fn handle_scroll_up(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => self.app.data.lidarr_data.log_details.scroll_up(),
+      ActiveLidarrBlock::SystemTasks => self.app.data.lidarr_data.tasks.scroll_up(),
+      ActiveLidarrBlock::SystemUpdates => self.app.data.lidarr_data.updates.scroll_up(),
+      ActiveLidarrBlock::SystemQueuedEvents => self.app.data.lidarr_data.queued_events.scroll_up(),
+      _ => (),
+    }
+  }
+
+  fn handle_scroll_down(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => self.app.data.lidarr_data.log_details.scroll_down(),
+      ActiveLidarrBlock::SystemTasks => self.app.data.lidarr_data.tasks.scroll_down(),
+      ActiveLidarrBlock::SystemUpdates => self.app.data.lidarr_data.updates.scroll_down(),
+      ActiveLidarrBlock::SystemQueuedEvents => {
+        self.app.data.lidarr_data.queued_events.scroll_down()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_home(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => self.app.data.lidarr_data.log_details.scroll_to_top(),
+      ActiveLidarrBlock::SystemTasks => self.app.data.lidarr_data.tasks.scroll_to_top(),
+      ActiveLidarrBlock::SystemUpdates => self.app.data.lidarr_data.updates.scroll_to_top(),
+      ActiveLidarrBlock::SystemQueuedEvents => {
+        self.app.data.lidarr_data.queued_events.scroll_to_top()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_end(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => self.app.data.lidarr_data.log_details.scroll_to_bottom(),
+      ActiveLidarrBlock::SystemTasks => self.app.data.lidarr_data.tasks.scroll_to_bottom(),
+      ActiveLidarrBlock::SystemUpdates => self.app.data.lidarr_data.updates.scroll_to_bottom(),
+      ActiveLidarrBlock::SystemQueuedEvents => {
+        self.app.data.lidarr_data.queued_events.scroll_to_bottom()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_delete(&mut self) {}
+
+  fn handle_left_right_action(&mut self) {
+    let key = self.key;
+
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => match self.key {
+        _ if matches_key!(left, key) => {
+          self
+            .app
+            .data
+            .lidarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_right());
+        }
+        _ if matches_key!(right, key) => {
+          self
+            .app
+            .data
+            .lidarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_left());
+        }
+        _ => (),
+      },
+      ActiveLidarrBlock::SystemTaskStartConfirmPrompt => handle_prompt_toggle(self.app, self.key),
+      _ => (),
+    }
+  }
+
+  fn handle_submit(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemTasks => {
+        self
+          .app
+          .push_navigation_stack(ActiveLidarrBlock::SystemTaskStartConfirmPrompt.into());
+      }
+      ActiveLidarrBlock::SystemTaskStartConfirmPrompt => {
+        if self.app.data.lidarr_data.prompt_confirm {
+          self.app.data.lidarr_data.prompt_confirm_action =
+            Some(LidarrEvent::StartTask(self.extract_task_name()));
+        }
+
+        self.app.pop_navigation_stack();
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_esc(&mut self) {
+    match self.active_lidarr_block {
+      ActiveLidarrBlock::SystemLogs => {
+        self.app.data.lidarr_data.log_details = StatefulList::default();
+        self.app.pop_navigation_stack()
+      }
+      ActiveLidarrBlock::SystemQueuedEvents
+      | ActiveLidarrBlock::SystemTasks
+      | ActiveLidarrBlock::SystemUpdates => self.app.pop_navigation_stack(),
+      ActiveLidarrBlock::SystemTaskStartConfirmPrompt => {
+        self.app.pop_navigation_stack();
+        self.app.data.lidarr_data.prompt_confirm = false;
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_char_key_event(&mut self) {
+    if SYSTEM_DETAILS_BLOCKS.contains(&self.active_lidarr_block) && matches_key!(refresh, self.key)
+    {
+      self.app.should_refresh = true;
+    }
+
+    if self.active_lidarr_block == ActiveLidarrBlock::SystemTaskStartConfirmPrompt
+      && matches_key!(confirm, self.key)
+    {
+      self.app.data.lidarr_data.prompt_confirm = true;
+      self.app.data.lidarr_data.prompt_confirm_action =
+        Some(LidarrEvent::StartTask(self.extract_task_name()));
+      self.app.pop_navigation_stack();
+    }
+  }
+
+  fn app_mut(&mut self) -> &mut App<'b> {
+    self.app
+  }
+
+  fn current_route(&self) -> Route {
+    self.app.get_current_route()
+  }
+}

src/handlers/lidarr_handlers/system/system_handler_tests.rs

@@ -0,0 +1,580 @@
+#[cfg(test)]
+mod tests {
+  use rstest::rstest;
+  use strum::IntoEnumIterator;
+
+  use crate::app::App;
+  use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+  use crate::assert_navigation_pushed;
+  use crate::event::Key;
+  use crate::handlers::KeyEventHandler;
+  use crate::handlers::lidarr_handlers::system::SystemHandler;
+  use crate::models::lidarr_models::LidarrTask;
+  use crate::models::servarr_data::lidarr::lidarr_data::{
+    ActiveLidarrBlock, SYSTEM_DETAILS_BLOCKS,
+  };
+  use crate::models::servarr_models::QueueEvent;
+  use crate::test_handler_delegation;
+
+  mod test_handle_left_right_action {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+    use crate::assert_navigation_pushed;
+
+    #[rstest]
+    fn test_system_tab_left(#[values(true, false)] is_ready: bool) {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.is_loading = is_ready;
+      app.data.lidarr_data.main_tabs.set_index(5);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.left.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.lidarr_data.main_tabs.get_active_route(),
+        ActiveLidarrBlock::Indexers.into()
+      );
+      assert_navigation_pushed!(app, ActiveLidarrBlock::Indexers.into());
+    }
+
+    #[rstest]
+    fn test_system_tab_right(#[values(true, false)] is_ready: bool) {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.is_loading = is_ready;
+      app.data.lidarr_data.main_tabs.set_index(5);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.right.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.lidarr_data.main_tabs.get_active_route(),
+        ActiveLidarrBlock::Artists.into()
+      );
+      assert_navigation_pushed!(app, ActiveLidarrBlock::Artists.into());
+    }
+  }
+
+  mod test_handle_esc {
+
+    use super::*;
+    use crate::assert_navigation_popped;
+
+    const ESC_KEY: Key = DEFAULT_KEYBINDINGS.esc.key;
+
+    #[rstest]
+    fn test_default_esc(#[values(true, false)] is_loading: bool) {
+      let mut app = App::test_default();
+      app.is_loading = is_loading;
+      app.error = "test error".to_owned().into();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+
+      SystemHandler::new(ESC_KEY, &mut app, ActiveLidarrBlock::System, None).handle();
+
+      assert_navigation_popped!(app, ActiveLidarrBlock::System.into());
+      assert_is_empty!(app.error.text);
+    }
+  }
+
+  mod test_handle_key_char {
+    use pretty_assertions::{assert_eq, assert_str_eq};
+
+    use crate::models::HorizontallyScrollableText;
+
+    use super::*;
+
+    #[test]
+    fn test_update_system_key() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.update.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveLidarrBlock::SystemUpdates.into());
+    }
+
+    #[test]
+    fn test_update_system_key_no_op_if_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.update.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveLidarrBlock::System.into());
+    }
+
+    #[test]
+    fn test_queued_events_key() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.events.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveLidarrBlock::SystemQueuedEvents.into());
+    }
+
+    #[test]
+    fn test_queued_events_key_no_op_if_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.events.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveLidarrBlock::System.into());
+    }
+
+    #[test]
+    fn test_refresh_system_key() {
+      let mut app = App::test_default();
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveLidarrBlock::System.into());
+      assert!(app.should_refresh);
+    }
+
+    #[test]
+    fn test_refresh_system_key_no_op_if_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveLidarrBlock::System.into());
+      assert!(!app.should_refresh);
+    }
+
+    #[test]
+    fn test_logs_key() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.logs.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveLidarrBlock::SystemLogs.into());
+      assert_eq!(
+        app.data.lidarr_data.log_details.items,
+        app.data.lidarr_data.logs.items
+      );
+      assert_str_eq!(
+        app.data.lidarr_data.log_details.current_selection().text,
+        "test 2"
+      );
+    }
+
+    #[test]
+    fn test_logs_key_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.logs.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveLidarrBlock::System.into());
+      assert_is_empty!(app.data.lidarr_data.log_details);
+    }
+
+    #[test]
+    fn test_tasks_key() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.tasks.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveLidarrBlock::SystemTasks.into());
+    }
+
+    #[test]
+    fn test_tasks_key_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveLidarrBlock::System.into());
+      app.data.lidarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .lidarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .lidarr_data
+        .tasks
+        .set_items(vec![LidarrTask::default()]);
+
+      SystemHandler::new(
+        DEFAULT_KEYBINDINGS.tasks.key,
+        &mut app,
+        ActiveLidarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveLidarrBlock::System.into());
+    }
+  }
+
+  #[rstest]
+  fn test_delegates_system_details_blocks_to_system_details_handler(
+    #[values(
+      ActiveLidarrBlock::SystemLogs,
+      ActiveLidarrBlock::SystemQueuedEvents,
+      ActiveLidarrBlock::SystemTasks,
+      ActiveLidarrBlock::SystemTaskStartConfirmPrompt,
+      ActiveLidarrBlock::SystemUpdates
+    )]
+    active_lidarr_block: ActiveLidarrBlock,
+  ) {
+    test_handler_delegation!(
+      SystemHandler,
+      ActiveLidarrBlock::System,
+      active_lidarr_block
+    );
+  }
+
+  #[test]
+  fn test_system_handler_accepts() {
+    let mut system_blocks = vec![ActiveLidarrBlock::System];
+    system_blocks.extend(SYSTEM_DETAILS_BLOCKS);
+
+    ActiveLidarrBlock::iter().for_each(|active_lidarr_block| {
+      if system_blocks.contains(&active_lidarr_block) {
+        assert!(SystemHandler::accepts(active_lidarr_block));
+      } else {
+        assert!(!SystemHandler::accepts(active_lidarr_block));
+      }
+    })
+  }
+
+  #[rstest]
+  fn test_system_handler_ignore_special_keys(
+    #[values(true, false)] ignore_special_keys_for_textbox_input: bool,
+  ) {
+    let mut app = App::test_default();
+    app.ignore_special_keys_for_textbox_input = ignore_special_keys_for_textbox_input;
+    let handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveLidarrBlock::default(),
+      None,
+    );
+
+    assert_eq!(
+      handler.ignore_special_keys(),
+      ignore_special_keys_for_textbox_input
+    );
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_loading() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveLidarrBlock::System.into());
+    app.is_loading = true;
+
+    let system_handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveLidarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_logs_is_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveLidarrBlock::System.into());
+    app.is_loading = false;
+    app
+      .data
+      .lidarr_data
+      .tasks
+      .set_items(vec![LidarrTask::default()]);
+    app
+      .data
+      .lidarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveLidarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_tasks_is_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveLidarrBlock::System.into());
+    app.is_loading = false;
+    app.data.lidarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .lidarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveLidarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_queued_events_is_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveLidarrBlock::System.into());
+    app.is_loading = false;
+    app.data.lidarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .lidarr_data
+      .tasks
+      .set_items(vec![LidarrTask::default()]);
+
+    let system_handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveLidarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_ready_when_all_required_tables_are_not_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveLidarrBlock::System.into());
+    app.is_loading = false;
+    app.data.lidarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .lidarr_data
+      .tasks
+      .set_items(vec![LidarrTask::default()]);
+    app
+      .data
+      .lidarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::new(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveLidarrBlock::System,
+      None,
+    );
+
+    assert!(system_handler.is_ready());
+  }
+}