git-iris 2.0.8

AI-powered Git workflow assistant for smart commits, code reviews, changelogs, and release notes
Documentation 
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//! Ref selector modal rendering

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

use crate::studio::state::RefSelectorTarget;
use crate::studio::theme;

pub fn render(
    frame: &mut Frame,
    area: Rect,
    input: &str,
    refs: &[String],
    selected: usize,
    target: RefSelectorTarget,
) {
    let title = match target {
        RefSelectorTarget::ReviewFrom => " Select Review From Ref ",
        RefSelectorTarget::ReviewTo => " Select Review To Ref ",
        RefSelectorTarget::PrFrom => " Select PR Base (From) ",
        RefSelectorTarget::PrTo => " Select PR Target (To) ",
        RefSelectorTarget::ChangelogFrom => " Select Changelog From ",
        RefSelectorTarget::ChangelogTo => " Select Changelog To ",
        RefSelectorTarget::ReleaseNotesFrom => " Select Release Notes From ",
        RefSelectorTarget::ReleaseNotesTo => " Select Release Notes To ",
    };

    let block = Block::default()
        .title(title)
        .borders(Borders::ALL)
        .border_style(Style::default().fg(theme::accent_secondary()));
    let inner = block.inner(area);
    frame.render_widget(block, area);

    // Filter refs based on input
    let filtered: Vec<_> = refs
        .iter()
        .filter(|r| input.is_empty() || r.to_lowercase().contains(&input.to_lowercase()))
        .collect();

    // Build lines
    let mut lines = vec![
        Line::from(vec![
            Span::styled("Filter: ", theme::dimmed()),
            Span::styled(input, Style::default().fg(theme::text_primary_color())),
            Span::styled("█", Style::default().fg(theme::accent_secondary())),
        ]),
        Line::from(""),
    ];

    // Show filtered refs
    for (idx, branch) in filtered.iter().take(inner.height as usize - 4).enumerate() {
        let is_selected = idx == selected;
        let prefix = if is_selected { "▸ " } else { "  " };
        let style = if is_selected {
            Style::default()
                .fg(theme::accent_secondary())
                .add_modifier(Modifier::BOLD)
        } else {
            Style::default().fg(theme::text_primary_color())
        };
        lines.push(Line::from(vec![
            Span::styled(prefix, style),
            Span::styled((*branch).clone(), style),
        ]));
    }

    if filtered.is_empty() {
        if input.is_empty() {
            lines.push(Line::from(Span::styled(
                "No matching refs",
                theme::dimmed(),
            )));
        } else {
            // Show that the custom input will be used
            lines.push(Line::from(vec![
                Span::styled("▸ ", Style::default().fg(theme::success_color())),
                Span::styled(
                    format!("Use custom ref: {input}"),
                    Style::default()
                        .fg(theme::success_color())
                        .add_modifier(Modifier::BOLD),
                ),
            ]));
        }
    }

    // Hint at bottom
    lines.push(Line::from(""));
    lines.push(Line::from(vec![
        Span::styled("↑↓", Style::default().fg(theme::accent_secondary())),
        Span::styled(" navigate  ", theme::dimmed()),
        Span::styled("Enter", Style::default().fg(theme::accent_secondary())),
        Span::styled(" select  ", theme::dimmed()),
        Span::styled("Esc", Style::default().fg(theme::accent_secondary())),
        Span::styled(" cancel", theme::dimmed()),
    ]));
    lines.push(Line::from(Span::styled(
        "Type any ref: branch, tag, HEAD~N, commit hash",
        theme::dimmed(),
    )));

    let paragraph = Paragraph::new(lines);
    frame.render_widget(paragraph, inner);
}