1 files changed, 90 insertions, 0 deletions
diff --git a/src/list.rs b/src/list.rs
new file mode 100644
index 0000000..790c02f
--- /dev/null
+++ b/src/list.rs
@@ -0,0 +1,90 @@
+use anyhow::Result;
+use crossterm::{
+    event::{self, Event, KeyCode, KeyEventKind},
+    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+    ExecutableCommand,
+};
+use ratatui::{backend::CrosstermBackend, Terminal};
+use std::io;
+
+use crate::app_state::AppState;
+
+use self::state::{Filter, UiState};
+
+mod state;
+
+pub fn list(app_state: &mut AppState) -> Result<()> {
+    let mut stdout = io::stdout().lock();
+    stdout.execute(EnterAlternateScreen)?;
+    enable_raw_mode()?;
+
+    let mut terminal = Terminal::new(CrosstermBackend::new(&mut stdout))?;
+    terminal.clear()?;
+
+    let mut ui_state = UiState::new(app_state);
+
+    'outer: loop {
+        terminal.draw(|frame| ui_state.draw(frame).unwrap())?;
+
+        let key = loop {
+            match event::read()? {
+                Event::Key(key) => match key.kind {
+                    KeyEventKind::Press | KeyEventKind::Repeat => break key,
+                    KeyEventKind::Release => (),
+                },
+                // Redraw
+                Event::Resize(_, _) => continue 'outer,
+                // Ignore
+                Event::FocusGained | Event::FocusLost | Event::Mouse(_) | Event::Paste(_) => (),
+            }
+        };
+
+        ui_state.message.clear();
+
+        match key.code {
+            KeyCode::Char('q') => break,
+            KeyCode::Down | KeyCode::Char('j') => ui_state.select_next(),
+            KeyCode::Up | KeyCode::Char('k') => ui_state.select_previous(),
+            KeyCode::Home | KeyCode::Char('g') => ui_state.select_first(),
+            KeyCode::End | KeyCode::Char('G') => ui_state.select_last(),
+            KeyCode::Char('d') => {
+                let message = if ui_state.filter == Filter::Done {
+                    ui_state.filter = Filter::None;
+                    "Disabled filter DONE"
+                } else {
+                    ui_state.filter = Filter::Done;
+                    "Enabled filter DONE │ Press d again to disable the filter"
+                };
+
+                ui_state = ui_state.with_updated_rows();
+                ui_state.message.push_str(message);
+            }
+            KeyCode::Char('p') => {
+                let message = if ui_state.filter == Filter::Pending {
+                    ui_state.filter = Filter::None;
+                    "Disabled filter PENDING"
+                } else {
+                    ui_state.filter = Filter::Pending;
+                    "Enabled filter PENDING │ Press p again to disable the filter"
+                };
+
+                ui_state = ui_state.with_updated_rows();
+                ui_state.message.push_str(message);
+            }
+            KeyCode::Char('r') => {
+                ui_state = ui_state.with_reset_selected()?;
+            }
+            KeyCode::Char('c') => {
+                ui_state.selected_to_current_exercise()?;
+                ui_state = ui_state.with_updated_rows();
+            }
+            _ => (),
+        }
+    }
+
+    drop(terminal);
+    stdout.execute(LeaveAlternateScreen)?;
+    disable_raw_mode()?;
+
+    Ok(())
+}