// thalamus_screen.rs — F5: attention routing / daemon status
//
// Shows poc-daemon status: presence detection, idle timer,
// notification routing, activity level.

use ratatui::{
    layout::Rect,
    style::{Color, Style},
    text::Line,
    widgets::{Block, Borders, Paragraph, Wrap},
    Frame,
};

use super::{App, SCREEN_LEGEND};

fn fetch_daemon_status() -> Vec<String> {
    std::process::Command::new("poc-daemon")
        .arg("status")
        .output()
        .ok()
        .and_then(|o| {
            if o.status.success() {
                String::from_utf8(o.stdout).ok()
            } else {
                None
            }
        })
        .map(|s| s.lines().map(String::from).collect())
        .unwrap_or_else(|| vec!["daemon not running".to_string()])
}

impl App {
    pub(crate) fn draw_thalamus(&self, frame: &mut Frame, size: Rect) {
        let status_lines = fetch_daemon_status();
        let section = Style::default().fg(Color::Yellow);

        let mut lines: Vec<Line> = Vec::new();
        lines.push(Line::styled("── Thalamus ──", section));
        lines.push(Line::raw(""));

        for line in &status_lines {
            lines.push(Line::raw(format!("  {}", line)));
        }

        let block = Block::default()
            .title_top(Line::from(SCREEN_LEGEND).left_aligned())
            .title_top(Line::from(" thalamus ").right_aligned())
            .borders(Borders::ALL)
            .border_style(Style::default().fg(Color::Cyan));

        let para = Paragraph::new(lines)
            .block(block)
            .wrap(Wrap { trim: false })
            .scroll((self.debug_scroll, 0));

        frame.render_widget(para, size);
    }
}