Files
keydr/src/ui/components/skill_tree.rs

387 lines
14 KiB
Rust

use ratatui::buffer::Buffer;
use ratatui::layout::{Constraint, Direction, Layout, Rect};
use ratatui::style::{Modifier, Style};
use ratatui::text::{Line, Span};
use ratatui::widgets::{Block, Paragraph, Widget};
use crate::engine::key_stats::KeyStatsStore;
use crate::engine::skill_tree::{
BranchId, BranchStatus, DrillScope, SkillTree as SkillTreeEngine, get_branch_definition,
};
use crate::ui::theme::Theme;
pub struct SkillTreeWidget<'a> {
skill_tree: &'a SkillTreeEngine,
key_stats: &'a KeyStatsStore,
selected: usize,
detail_scroll: usize,
theme: &'a Theme,
}
impl<'a> SkillTreeWidget<'a> {
pub fn new(
skill_tree: &'a SkillTreeEngine,
key_stats: &'a KeyStatsStore,
selected: usize,
detail_scroll: usize,
theme: &'a Theme,
) -> Self {
Self {
skill_tree,
key_stats,
selected,
detail_scroll,
theme,
}
}
}
/// Get the list of selectable branch IDs (Lowercase first, then other branches).
pub fn selectable_branches() -> Vec<BranchId> {
vec![
BranchId::Lowercase,
BranchId::Capitals,
BranchId::Numbers,
BranchId::ProsePunctuation,
BranchId::Whitespace,
BranchId::CodeSymbols,
]
}
pub fn detail_line_count(branch_id: BranchId) -> usize {
let def = get_branch_definition(branch_id);
// 1 line branch header + for each level: 1 line level header + 1 line per key
1 + def
.levels
.iter()
.map(|level| 1 + level.keys.len())
.sum::<usize>()
}
impl Widget for SkillTreeWidget<'_> {
fn render(self, area: Rect, buf: &mut Buffer) {
let colors = &self.theme.colors;
let block = Block::bordered()
.title(" Skill Tree ")
.border_style(Style::default().fg(colors.accent()))
.style(Style::default().bg(colors.bg()));
let inner = block.inner(area);
block.render(area, buf);
// Layout: header (2), branch list (dynamic), separator (1), detail panel (dynamic), footer (2)
let branches = selectable_branches();
let branch_list_height = branches.len() as u16 * 2 + 1; // all branches * 2 lines + separator after Lowercase
let layout = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(branch_list_height.min(inner.height.saturating_sub(6))),
Constraint::Length(1),
Constraint::Min(4),
Constraint::Length(2),
])
.split(inner);
// --- Branch list ---
self.render_branch_list(layout[0], buf, &branches);
// --- Separator ---
let sep = Paragraph::new(Line::from(Span::styled(
"\u{2500}".repeat(layout[1].width as usize),
Style::default().fg(colors.border()),
)));
sep.render(layout[1], buf);
// --- Detail panel for selected branch ---
self.render_detail_panel(layout[2], buf, &branches);
// --- Footer ---
let footer_text = if self.selected < branches.len() {
let bp = self.skill_tree.branch_progress(branches[self.selected]);
if *self.skill_tree.branch_status(branches[self.selected]) == BranchStatus::Locked {
" Complete a-z to unlock branches [\u{2191}\u{2193}/jk] Navigate [PgUp/PgDn or Ctrl+U/Ctrl+D] Scroll [q] Back "
} else if bp.status == BranchStatus::Available || bp.status == BranchStatus::InProgress
{
" [Enter] Start Drill [\u{2191}\u{2193}/jk] Navigate [PgUp/PgDn or Ctrl+U/Ctrl+D] Scroll [q] Back "
} else {
" [\u{2191}\u{2193}/jk] Navigate [PgUp/PgDn or Ctrl+U/Ctrl+D] Scroll [q] Back "
}
} else {
" [\u{2191}\u{2193}/jk] Navigate [PgUp/PgDn or Ctrl+U/Ctrl+D] Scroll [q] Back "
};
let footer = Paragraph::new(Line::from(Span::styled(
footer_text,
Style::default().fg(colors.text_pending()),
)));
footer.render(layout[3], buf);
}
}
impl SkillTreeWidget<'_> {
fn render_branch_list(&self, area: Rect, buf: &mut Buffer, branches: &[BranchId]) {
let colors = &self.theme.colors;
let mut lines: Vec<Line> = Vec::new();
for (i, &branch_id) in branches.iter().enumerate() {
let bp = self.skill_tree.branch_progress(branch_id);
let def = get_branch_definition(branch_id);
let total_keys = def.levels.iter().map(|l| l.keys.len()).sum::<usize>();
let confident_keys = self
.skill_tree
.branch_confident_keys(branch_id, self.key_stats);
let is_selected = i == self.selected;
let (prefix, style) = match bp.status {
BranchStatus::Complete => (
"\u{2605} ",
Style::default()
.fg(colors.text_correct())
.add_modifier(Modifier::BOLD),
),
BranchStatus::InProgress => (
"\u{25b6} ",
Style::default()
.fg(colors.accent())
.add_modifier(Modifier::BOLD),
),
BranchStatus::Available => (" ", Style::default().fg(colors.fg())),
BranchStatus::Locked => (" ", Style::default().fg(colors.text_pending())),
};
let unlocked = self.skill_tree.branch_unlocked_count(branch_id);
let mastered_text = if confident_keys > 0 {
format!(" ({confident_keys} mastered)")
} else {
String::new()
};
let status_text = match bp.status {
BranchStatus::Complete => {
format!("{unlocked}/{total_keys} unlocked{mastered_text}")
}
BranchStatus::InProgress => {
if branch_id == BranchId::Lowercase {
format!("{unlocked}/{total_keys} unlocked{mastered_text}")
} else {
format!(
"Lvl {}/{} {unlocked}/{total_keys} unlocked{mastered_text}",
bp.current_level + 1,
def.levels.len()
)
}
}
BranchStatus::Available => format!("0/{total_keys} unlocked"),
BranchStatus::Locked => format!("Locked 0/{total_keys}"),
};
let sel_indicator = if is_selected { "> " } else { " " };
lines.push(Line::from(vec![
Span::styled(format!("{sel_indicator}{prefix}{}", def.name), style),
Span::styled(
format!(" {status_text}"),
Style::default().fg(colors.text_pending()),
),
]));
let (mastered_bar, unlocked_bar, empty_bar) =
dual_progress_bar_parts(confident_keys, unlocked, total_keys, 30);
lines.push(Line::from(vec![
Span::styled(" ", style),
Span::styled(mastered_bar, Style::default().fg(colors.text_correct())),
Span::styled(unlocked_bar, Style::default().fg(colors.accent())),
Span::styled(empty_bar, Style::default().fg(colors.text_pending())),
]));
// Add separator after Lowercase (index 0)
if branch_id == BranchId::Lowercase {
lines.push(Line::from(Span::styled(
" \u{2500}\u{2500} Branches (unlocked after a-z) \u{2500}\u{2500}",
Style::default().fg(colors.border()),
)));
}
}
let paragraph = Paragraph::new(lines);
paragraph.render(area, buf);
}
fn render_detail_panel(&self, area: Rect, buf: &mut Buffer, branches: &[BranchId]) {
let colors = &self.theme.colors;
if self.selected >= branches.len() {
return;
}
let branch_id = branches[self.selected];
let bp = self.skill_tree.branch_progress(branch_id);
let def = get_branch_definition(branch_id);
let mut lines: Vec<Line> = Vec::new();
// Branch title with level info
let level_text = if branch_id == BranchId::Lowercase {
let unlocked = self.skill_tree.branch_unlocked_count(BranchId::Lowercase);
let total = SkillTreeEngine::branch_total_keys(BranchId::Lowercase);
format!("Unlocked {unlocked}/{total} letters")
} else {
match bp.status {
BranchStatus::InProgress => {
format!("Level {}/{}", bp.current_level + 1, def.levels.len())
}
BranchStatus::Complete => {
format!("Level {}/{}", def.levels.len(), def.levels.len())
}
_ => format!("Level 0/{}", def.levels.len()),
}
};
lines.push(Line::from(vec![
Span::styled(
format!(" {}", def.name),
Style::default()
.fg(colors.accent())
.add_modifier(Modifier::BOLD),
),
Span::styled(
format!(" {level_text}"),
Style::default().fg(colors.text_pending()),
),
]));
// Per-level key breakdown with per-key mastery bars
let focused = self
.skill_tree
.focused_key(DrillScope::Branch(branch_id), self.key_stats);
// For Lowercase, determine which keys are unlocked
let lowercase_unlocked_keys: Vec<char> = if branch_id == BranchId::Lowercase {
self.skill_tree
.unlocked_keys(DrillScope::Branch(BranchId::Lowercase))
} else {
Vec::new()
};
for (level_idx, level) in def.levels.iter().enumerate() {
let level_status =
if bp.status == BranchStatus::Complete || level_idx < bp.current_level {
"complete"
} else if bp.status == BranchStatus::InProgress && level_idx == bp.current_level {
"in progress"
} else {
"locked"
};
// Level header
lines.push(Line::from(Span::styled(
format!(" L{}: {} ({level_status})", level_idx + 1, level.name),
Style::default().fg(colors.fg()),
)));
// Per-key mastery bars
for &key in level.keys {
let is_focused = focused == Some(key);
let confidence = self.key_stats.get_confidence(key).min(1.0);
let is_confident = confidence >= 1.0;
// For Lowercase, check if this specific key is unlocked
let is_locked = if branch_id == BranchId::Lowercase {
!lowercase_unlocked_keys.contains(&key)
} else {
level_status == "locked"
};
let display = if key == '\n' {
"\\n".to_string()
} else if key == '\t' {
"\\t".to_string()
} else {
format!(" {key}")
};
if is_locked {
lines.push(Line::from(vec![
Span::styled(
format!(" {display} "),
Style::default().fg(colors.text_pending()),
),
Span::styled("locked", Style::default().fg(colors.text_pending())),
]));
} else {
let bar_width = 10;
let filled = (confidence * bar_width as f64).round() as usize;
let empty = bar_width - filled;
let bar = format!("{}{}", "\u{2588}".repeat(filled), "\u{2591}".repeat(empty));
let pct_str = format!("{:>3.0}%", confidence * 100.0);
let focus_label = if is_focused { " in focus" } else { "" };
let key_style = if is_focused {
Style::default()
.fg(colors.bg())
.bg(colors.focused_key())
.add_modifier(Modifier::BOLD)
} else if is_confident {
Style::default().fg(colors.text_correct())
} else {
Style::default().fg(colors.fg())
};
let bar_color = if is_confident {
colors.text_correct()
} else {
colors.accent()
};
lines.push(Line::from(vec![
Span::styled(format!(" {display} "), key_style),
Span::styled(bar, Style::default().fg(bar_color)),
Span::styled(
format!(" {pct_str}"),
Style::default().fg(colors.text_pending()),
),
Span::styled(
focus_label,
Style::default()
.fg(colors.focused_key())
.add_modifier(Modifier::BOLD),
),
]));
}
}
}
let visible_height = area.height as usize;
if visible_height == 0 {
return;
}
let max_scroll = lines.len().saturating_sub(visible_height);
let scroll = self.detail_scroll.min(max_scroll);
let visible_lines: Vec<Line> = lines
.into_iter()
.skip(scroll)
.take(visible_height)
.collect();
let paragraph = Paragraph::new(visible_lines);
paragraph.render(area, buf);
}
}
fn dual_progress_bar_parts(
mastered: usize,
unlocked: usize,
total: usize,
width: usize,
) -> (String, String, String) {
if total == 0 {
return (String::new(), String::new(), "\u{2591}".repeat(width));
}
let mastered_cells = mastered * width / total;
let unlocked_cells = (unlocked * width / total).max(mastered_cells);
let empty_cells = width - unlocked_cells;
(
"\u{2588}".repeat(mastered_cells),
"\u{2593}".repeat(unlocked_cells - mastered_cells),
"\u{2591}".repeat(empty_cells),
)
}