terminal.rs huge changes

client/src/tui/terminal/core.rs

@@ -0,0 +1,65 @@
+// src/tui/terminal/core.rs
+
+use crossterm::{
+    execute,
+    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+    cursor::{SetCursorStyle, EnableBlinking, Show, MoveTo},
+    event::Event,
+};
+use ratatui::{backend::CrosstermBackend, Terminal};
+use std::io::{self, stdout, Write};
+
+pub struct TerminalCore {
+    terminal: Terminal<CrosstermBackend<io::Stdout>>,
+}
+
+impl TerminalCore {
+    pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
+        enable_raw_mode()?;
+        let mut stdout = stdout();
+        execute!(
+            stdout,
+            EnterAlternateScreen,
+            SetCursorStyle::SteadyBlock,
+            EnableBlinking
+        )?;
+        let backend = CrosstermBackend::new(stdout);
+        let terminal = Terminal::new(backend)?;
+        Ok(Self { terminal })
+    }
+
+    pub fn draw<F>(&mut self, f: F) -> Result<(), Box<dyn std::error::Error>>
+    where
+        F: FnOnce(&mut ratatui::Frame),
+    {
+        self.terminal.draw(f)?;
+        Ok(())
+    }
+
+    pub fn cleanup(&mut self) -> Result<(), Box<dyn std::error::Error>> {
+        let mut stdout = stdout();
+        execute!(stdout, Show)?;
+        execute!(stdout, SetCursorStyle::DefaultUserShape)?;
+        execute!(stdout, LeaveAlternateScreen)?;
+        disable_raw_mode()?;
+        stdout.flush()?;
+        execute!(
+            stdout,
+            crossterm::terminal::Clear(crossterm::terminal::ClearType::All),
+            MoveTo(0, 0)
+        )?;
+        Ok(())
+    }
+
+    pub fn set_cursor_style(
+        &mut self,
+        style: SetCursorStyle,
+    ) -> Result<(), Box<dyn std::error::Error>> {
+        execute!(
+            self.terminal.backend_mut(),
+            style,
+            EnableBlinking,
+        )?;
+        Ok(())
+    }
+}