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use std::collections::HashSet;
use ratatui::{
Frame,
layout::Rect,
style::Modifier,
text::{Line, Span},
widgets::{Block, Borders, Paragraph},
};
use crate::{gentoo::UseFlag, theme::Theme};
pub fn render_use_flags(
frame: &mut Frame,
area: Rect,
use_flags: Vec<&UseFlag>,
enabled_use_flags: HashSet<String>,
) {
let max_len = use_flags.iter().map(|f| f.name.len()).max().unwrap_or(1);
// width per column (+ padding between columns)
let col_width = max_len as u16 + 3;
let columns = (area.width / col_width).max(1) as usize;
let rows = use_flags.len().div_ceil(columns);
let mut lines = Vec::new();
for row in 0..rows {
let mut spans = Vec::new();
for col in 0..columns {
let idx = row * columns + col;
if let Some(flag) = use_flags.get(idx) {
let mut style = if enabled_use_flags.contains(&flag.name) {
Theme::success()
} else if flag.default {
Theme::info()
} else {
Theme::error()
};
if flag.default {
style = style.add_modifier(Modifier::ITALIC);
}
spans.push(Span::styled(
format!("{:<width$}", flag.name, width = max_len + 2),
style,
));
}
}
lines.push(Line::from(spans));
}
let paragraph = Paragraph::new(lines).block(
Block::default()
.borders(Borders::ALL)
.title("USE Flags")
.border_style(Theme::block()),
);
frame.render_widget(paragraph, area);
}
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