sara-tasks 2.2.0

Sara — folder-aware task manager
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use ratatui::Frame;
use ratatui::layout::{Constraint, Layout, Rect};
use ratatui::text::{Line, Span};
use ratatui::widgets::Paragraph;

use super::theme::{GLYPH_PROMPT, Theme};

pub struct Chrome {
    pub header: Rect,
    pub body: Rect,
    pub footer: Rect,
}

pub fn chrome(area: Rect) -> Chrome {
    let [header, body, footer] = Layout::vertical([
        Constraint::Length(1),
        Constraint::Min(0),
        Constraint::Length(1),
    ])
    .areas(area);
    Chrome {
        header,
        body,
        footer,
    }
}

pub fn render_header(f: &mut Frame, area: Rect, theme: &Theme, title: &str, status: &[Span]) {
    let mut spans = vec![
        Span::styled(" sara ", theme.badge(super::theme::Tone::Accent)),
        Span::styled(format!(" {GLYPH_PROMPT} {title}"), theme.accent()),
    ];
    let left: usize = spans.iter().map(Span::width).sum();
    let right: usize = status.iter().map(Span::width).sum();
    let gap = (area.width as usize).saturating_sub(left + right);
    if gap > 0 && !status.is_empty() {
        spans.push(Span::raw(" ".repeat(gap)));
        spans.extend(status.iter().cloned());
    }
    f.render_widget(Paragraph::new(Line::from(spans)), area);
}

pub fn render_footer(f: &mut Frame, area: Rect, theme: &Theme, hints: &[(&str, &str)]) {
    let mut spans = Vec::new();
    for (i, (key, label)) in hints.iter().enumerate() {
        if i > 0 {
            spans.push(Span::styled("  ", theme.muted()));
        }
        spans.push(Span::styled(*key, theme.accent()));
        spans.push(Span::styled(format!(" {label}"), theme.muted()));
    }
    f.render_widget(Paragraph::new(Line::from(spans)), area);
}

#[cfg(test)]
#[path = "../../../tests/unit/infrastructure/tui/screen.rs"]
mod tests;