use ratatui::layout::{Constraint, Direction, Layout};
use ratatui::style::{Color, Modifier, Style};
use ratatui::text::{Line, Span};
use ratatui::widgets::canvas::{Canvas, Line as CanvasLine};
use ratatui::widgets::{Block, Borders, Paragraph, Wrap};
use crate::commands::shared::strength_label;
use crate::infrastructure::tui;
use crate::commands::dream::layout::{MIN_EDGE, bond_exists};
use crate::commands::dream::types::WebData;
#[allow(clippy::too_many_arguments)]
pub(in crate::commands::dream) fn ui_web(
f: &mut ratatui::Frame,
web: &WebData,
frame: u64,
selected: usize,
show_help: bool,
zoom: f64,
search_input: Option<&str>,
query: &str,
) {
let area = f.area();
let outer = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(1),
Constraint::Min(0),
Constraint::Length(3),
])
.split(area);
let strong = web.stars.iter().filter(|s| s.strength >= 2.0).count();
let linked = web
.stars
.iter()
.filter(|s| s.strength >= 1.5 && s.strength < 2.0)
.count();
let weak = web.stars.len() - strong - linked;
let matches = web.stars.iter().filter(|s| s.matches(query)).count();
let mut header = vec![
Span::styled(
" ✦ the web ",
Style::default()
.fg(Color::Cyan)
.add_modifier(Modifier::BOLD),
),
Span::styled(
format!(
"— {} memories · {} bonds · ",
web.stars.len(),
web.bonds.len()
),
Style::default().fg(Color::DarkGray),
),
Span::styled(
format!("{strong} strong "),
Style::default().fg(Color::White),
),
Span::styled(
format!("{linked} linked "),
Style::default().fg(Color::Cyan),
),
Span::styled(format!("{weak} weak"), Style::default().fg(Color::DarkGray)),
];
if let Some(buf) = search_input {
header.push(Span::styled(
format!(" /{buf}▌"),
Style::default()
.fg(Color::Yellow)
.add_modifier(Modifier::BOLD),
));
} else if !query.is_empty() {
header.push(Span::styled(
format!(" /{query} — {matches} lit (n next, Esc clear)"),
Style::default().fg(Color::Yellow),
));
}
if zoom > 1.0 {
header.push(Span::styled(
format!(" {zoom:.1}x"),
Style::default().fg(Color::Green),
));
}
header.push(Span::styled(
" [?] help [q] wake up",
Style::default().fg(Color::DarkGray),
));
f.render_widget(Paragraph::new(Line::from(header)), outer[0]);
let sel_star = &web.stars[selected];
let (cx, cy) = (
sel_star.x * (1.0 - 1.0 / zoom),
sel_star.y * (1.0 - 1.0 / zoom),
);
let tx = move |x: f64| (x - cx) * zoom;
let ty = move |y: f64| (y - cy) * zoom;
let searching = !query.is_empty();
let canvas = Canvas::default()
.block(
Block::default()
.borders(Borders::ALL)
.border_style(Style::default().fg(Color::DarkGray)),
)
.x_bounds([-100.0, 100.0])
.y_bounds([-75.0, 75.0])
.paint(move |ctx| {
for l in &web.links {
if bond_exists(&web.bonds, l.a, l.b) {
continue;
}
let (sa, sb) = (&web.stars[l.a], &web.stars[l.b]);
let touches_sel = l.a == selected || l.b == selected;
let faded = searching && !(sa.matches(query) || sb.matches(query));
let t = ((l.weight - MIN_EDGE) / (1.0 - MIN_EDGE)).clamp(0.0, 1.0);
let color = if faded {
Color::Rgb(18, 19, 23)
} else if touches_sel {
let v = (60.0 + 90.0 * t) as u8;
Color::Rgb(30, v, v)
} else {
let v = (26.0 + 34.0 * t) as u8;
Color::Rgb(v, v, (v as u16 + 8) as u8)
};
ctx.draw(&CanvasLine {
x1: tx(sa.x),
y1: ty(sa.y),
x2: tx(sb.x),
y2: ty(sb.y),
color,
});
}
for b in &web.bonds {
let (sa, sb) = (&web.stars[b.a], &web.stars[b.b]);
let touches_sel = b.a == selected || b.b == selected;
let faded = searching && !(sa.matches(query) || sb.matches(query));
let color = match (b.relation.as_str(), touches_sel) {
_ if faded => Color::Rgb(30, 32, 38),
("supersedes", true) => Color::Red,
("supersedes", false) => Color::Rgb(110, 40, 40),
(_, true) => Color::Cyan,
(_, false) => Color::Rgb(50, 70, 80),
};
ctx.draw(&CanvasLine {
x1: tx(sa.x),
y1: ty(sa.y),
x2: tx(sb.x),
y2: ty(sb.y),
color,
});
}
let breath = ((frame as f64 * 0.06).sin() + 1.0) / 2.0;
for (i, s) in web.stars.iter().enumerate() {
let is_sel = i == selected;
let is_match = s.matches(query);
let pulse = if s.recently_recalled { breath } else { 0.35 };
let lum =
(70.0 + 150.0 * (s.strength / 2.5).min(1.0) * (0.55 + 0.45 * pulse)) as u8;
let (glyph, color) = if s.provisional {
("◌", Color::Rgb(lum, 50, lum))
} else if s.strength >= 2.0 {
("✦", Color::Rgb(lum, lum, lum))
} else if s.strength >= 1.5 {
("✧", Color::Rgb(50, lum, lum))
} else {
(
"·",
Color::Rgb(lum / 2, lum / 2, (lum as u16 + 30).min(255) as u8),
)
};
let style = if is_sel {
Style::default()
.fg(Color::Yellow)
.add_modifier(Modifier::BOLD)
} else if searching && is_match {
Style::default()
.fg(Color::LightYellow)
.add_modifier(Modifier::BOLD)
} else if searching {
Style::default().fg(Color::Rgb(45, 45, 52))
} else {
Style::default().fg(color)
};
let text = if is_sel {
format!("{glyph} ◄")
} else {
glyph.to_string()
};
ctx.print(tx(s.x), ty(s.y), Line::from(Span::styled(text, style)));
}
});
f.render_widget(canvas, outer[1]);
let s = &web.stars[selected];
let bonds_of: Vec<String> = web
.bonds
.iter()
.filter_map(|b| {
if b.a == selected {
Some(format!("{} {}", b.relation, web.stars[b.b].label))
} else if b.b == selected {
Some(format!("⟵ {} {}", b.relation, web.stars[b.a].label))
} else {
None
}
})
.collect();
let mut foot = vec![Line::from(vec![
Span::styled(
format!("{} ", s.label),
Style::default()
.fg(Color::Yellow)
.add_modifier(Modifier::BOLD),
),
Span::styled(
format!(
"{} ({:.1}){} ",
strength_label(s.strength),
s.strength,
if s.provisional { " [provisional]" } else { "" }
),
Style::default().fg(Color::Cyan),
),
Span::styled(
format!("[{}] ", s.tags.join(", ")),
Style::default().fg(Color::Yellow),
),
Span::styled(s.title.clone(), Style::default().fg(Color::Gray)),
])];
foot.push(Line::from(Span::styled(
if bonds_of.is_empty() {
"no bonds — an isolated thought (Enter to dream into it)".to_string()
} else {
format!("bonds: {} (Enter to dream into it)", bonds_of.join(" · "))
},
Style::default().fg(Color::DarkGray),
)));
f.render_widget(
Paragraph::new(foot).wrap(Wrap { trim: true }).block(
Block::default()
.borders(Borders::ALL)
.border_style(Style::default().fg(Color::DarkGray)),
),
outer[2],
);
if show_help {
tui::render_help_overlay(
f,
"the web",
&[
("arrows", "move to the nearest star that way"),
("Tab / ⇧Tab", "cycle stars in order"),
("/", "search (label, tags, title, body)"),
("n / N", "next / previous match"),
("+ / - / 0", "zoom toward the selected star / reset"),
("Enter", "dream into the selected memory"),
("Esc", "zoom out of a dream / clear search / wake up"),
("q", "wake up"),
],
);
}
}