use std::{collections::HashMap, default, time::Duration};
use color_eyre::{eyre::Result, owo_colors::OwoColorize};
use crossterm::event::{KeyCode, KeyEvent};
use ratatui::{
prelude::*,
style::Stylize,
widgets::{block::Title, *},
};
use serde::{Deserialize, Serialize};
use tokio::sync::mpsc::UnboundedSender;
use tui_input::{backend::crossterm::EventHandler, Input};
use super::{Component, Frame};
use crate::{
action::AppAction,
components::search_result,
config::{Config, KeyBindings},
layout::get_layout,
redux::{
action::Action,
state::{FocusedScreen, SearchResultState, State},
thunk::ThunkAction,
},
tabs::Tab,
};
const DEBOUNCE_DURATION: Duration = Duration::from_millis(300);
#[derive(Default)]
pub struct SearchResult {
command_tx: Option<UnboundedSender<AppAction>>,
config: Config,
state: ListState,
match_counts: Vec<String>,
search_input: Input,
is_searching: bool,
search_matches: Vec<usize>,
current_match_index: usize,
}
impl SearchResult {
pub fn new() -> Self {
Self::default()
}
fn delete_file(&mut self, state: &State) {
if let Some(selected_index) = self.state.selected() {
if selected_index < state.search_result.list.len() {
let remove_file_from_list_thunk = AppAction::Thunk(ThunkAction::RemoveFileFromList(selected_index));
self.command_tx.as_ref().unwrap().send(remove_file_from_list_thunk).unwrap();
if state.search_result.list.len() > 1 {
if selected_index >= state.search_result.list.len() - 1 {
self.state.select(Some(state.search_result.list.len() - 2));
} else {
self.state.select(Some(selected_index));
}
} else {
self.state.select(None);
}
self.update_selected_result(state);
}
}
}
fn next(&mut self, state: &State) {
if state.search_result.list.is_empty() {
return;
}
let new_index = match self.state.selected() {
Some(i) => {
if i >= state.search_result.list.len() - 1 {
0
} else {
i + 1
}
},
None => 0,
};
self.state.select(Some(new_index));
self.update_selected_result(state);
}
fn previous(&mut self, state: &State) {
if state.search_result.list.is_empty() {
return;
}
let new_index = match self.state.selected() {
Some(i) => {
if i == 0 {
state.search_result.list.len() - 1
} else {
i - 1
}
},
None => state.search_result.list.len() - 1,
};
self.state.select(Some(new_index));
self.update_selected_result(state);
}
fn update_selected_result(&mut self, state: &State) {
if let Some(selected_index) = self.state.selected() {
if let Some(selected_result) = state.search_result.list.get(selected_index) {
let action = AppAction::Action(Action::SetSelectedResult {
result: SearchResultState {
index: Some(selected_index),
path: selected_result.path.clone(),
matches: selected_result.matches.clone(),
total_matches: selected_result.total_matches,
},
});
self.command_tx.as_ref().unwrap().send(action).unwrap();
} else {
let action = AppAction::Action(Action::SetSelectedResult { result: SearchResultState::default() });
self.command_tx.as_ref().unwrap().send(action).unwrap();
self.state.select(None);
}
} else {
let action = AppAction::Action(Action::SetSelectedResult { result: SearchResultState::default() });
self.command_tx.as_ref().unwrap().send(action).unwrap();
}
}
fn set_selected_result(&mut self, state: &State) {
if state.search_result.list.is_empty() {
self.state.select(None);
return;
}
if let Some(selected_index) = self.state.selected() {
if selected_index >= state.search_result.list.len() {
self.state.select(Some(state.search_result.list.len() - 1));
}
} else {
self.state.select(Some(0));
}
self.update_selected_result(state);
}
fn top(&mut self, state: &State) {
if state.search_result.list.is_empty() {
return;
}
self.state.select(Some(0));
let selected_result = state.search_result.list.first().unwrap();
let action = AppAction::Action(Action::SetSelectedResult {
result: SearchResultState {
index: selected_result.index,
path: selected_result.path.clone(),
matches: selected_result.matches.clone(),
total_matches: selected_result.total_matches,
},
});
self.command_tx.as_ref().unwrap().send(action).unwrap();
}
fn bottom(&mut self, state: &State) {
if state.search_result.list.is_empty() {
return;
}
let i = state.search_result.list.len() - 1;
self.state.select(Some(i));
let selected_result = state.search_result.list.get(i).unwrap();
let action = AppAction::Action(Action::SetSelectedResult {
result: SearchResultState {
index: selected_result.index,
path: selected_result.path.clone(),
matches: selected_result.matches.clone(),
total_matches: selected_result.total_matches,
},
});
self.command_tx.as_ref().unwrap().send(action).unwrap();
}
fn calculate_total_matches(&mut self, search_result_state: &SearchResultState) -> &str {
let total_matches: usize = search_result_state.matches.iter().map(|m| m.submatches.len()).sum();
let total_matches_str = total_matches.to_string();
self.match_counts.push(total_matches_str);
self.match_counts.last().unwrap()
}
fn replace_single_file(&mut self, state: &State) {
if let Some(selected_index) = self.state.selected() {
if selected_index < state.search_result.list.len() {
let process_single_file_replace_thunk = AppAction::Thunk(ThunkAction::ProcessSingleFileReplace(selected_index));
self.command_tx.as_ref().unwrap().send(process_single_file_replace_thunk).unwrap();
}
}
}
fn handle_local_key_events(&mut self, key: KeyEvent, state: &State) {
match (key.code, key.modifiers) {
(KeyCode::Char('d'), _) => {
self.delete_file(state);
},
(KeyCode::Char('g') | KeyCode::Char('h') | KeyCode::Left, _) => {
self.top(state);
},
(KeyCode::Char('G') | KeyCode::Char('l') | KeyCode::Right, _) => {
self.bottom(state);
},
(KeyCode::Char('j') | KeyCode::Down, _) => {
self.next(state);
},
(KeyCode::Char('k') | KeyCode::Up, _) => {
self.previous(state);
},
(KeyCode::Char('r'), _) => {
self.replace_single_file(state);
},
(KeyCode::Esc, _) => {
self.is_searching = false;
self.search_matches.clear();
self.search_input.reset();
self.current_match_index = 0;
},
(KeyCode::Enter, _) => {
let action = AppAction::Action(Action::SetActiveTab { tab: Tab::Preview });
self.command_tx.as_ref().unwrap().send(action).unwrap();
},
(KeyCode::Char('n'), _) => {
self.next_match(state);
},
(KeyCode::Char('p'), _) => {
self.previous_match(state);
},
_ => {},
}
}
fn handle_search_input(&mut self, key: KeyEvent, state: &State) {
match key.code {
KeyCode::Esc | KeyCode::Enter => {
self.is_searching = false;
},
_ => {
self.search_input.handle_event(&crossterm::event::Event::Key(key));
self.perform_search(state);
},
}
}
fn perform_search(&mut self, state: &State) {
let search_term = self.search_input.value().to_lowercase();
self.search_matches.clear();
self.current_match_index = 0;
for (index, result) in state.search_result.list.iter().enumerate() {
if result.path.to_lowercase().contains(&search_term) {
let result_index = result.index.unwrap();
self.search_matches.push(result_index);
}
}
log::info!("111Search matches: {:?}", self.search_matches);
if !self.search_matches.is_empty() {
self.state.select(Some(self.search_matches[0]));
self.update_selected_result(state);
}
}
fn next_match(&mut self, state: &State) {
log::info!("Next match");
log::info!("Search matches: {:?}", self.search_matches);
if !self.search_matches.is_empty() {
self.current_match_index = (self.current_match_index + 1) % self.search_matches.len();
let next_index = self.search_matches[self.current_match_index];
self.state.select(Some(next_index));
self.update_selected_result(state);
}
}
fn previous_match(&mut self, state: &State) {
if !self.search_matches.is_empty() {
self.current_match_index = (self.current_match_index + self.search_matches.len() - 1) % self.search_matches.len();
let prev_index = self.search_matches[self.current_match_index];
self.state.select(Some(prev_index));
self.update_selected_result(state);
}
}
}
impl Component for SearchResult {
fn register_action_handler(&mut self, tx: UnboundedSender<AppAction>) -> Result<()> {
self.command_tx = Some(tx);
Ok(())
}
fn register_config_handler(&mut self, config: Config) -> Result<()> {
self.config = config;
Ok(())
}
fn handle_key_events(&mut self, key: KeyEvent, state: &State) -> Result<Option<AppAction>> {
if state.focused_screen == FocusedScreen::SearchResultList {
match key.code {
KeyCode::Char('/') => {
self.is_searching = true;
self.search_input.reset();
Ok(None)
},
_ if self.is_searching => {
self.handle_search_input(key, state);
Ok(None)
},
_ => {
self.handle_local_key_events(key, state);
Ok(None)
},
}
} else {
Ok(None)
}
}
fn draw(&mut self, f: &mut Frame<'_>, area: Rect, state: &State) -> Result<()> {
let layout = get_layout(area);
let block =
Block::bordered().border_type(BorderType::Rounded).title(Title::from("Result List").alignment(Alignment::Left));
let block = if state.focused_screen == FocusedScreen::SearchResultList {
block.border_style(Style::default().fg(Color::Green).add_modifier(Modifier::BOLD))
} else {
block
};
let project_root = state.project_root.to_string_lossy();
let results_to_display = &state.search_result.list;
let search_term = self.search_input.value().to_lowercase();
let list_items: Vec<ListItem> = results_to_display
.iter()
.enumerate()
.map(|(index, s)| {
let path = s.path.strip_prefix(format!("{}/", project_root).as_str()).unwrap_or(&s.path);
let mut spans = Vec::new();
let mut start = 0;
if !search_term.is_empty() {
for (idx, _) in path.to_lowercase().match_indices(&search_term) {
if start < idx {
spans.push(Span::raw(&path[start..idx]));
}
spans.push(Span::styled(
&path[idx..idx + search_term.len()],
Style::default().bg(Color::Yellow).fg(Color::Black),
));
start = idx + search_term.len();
}
}
if start < path.len() {
spans.push(Span::raw(&path[start..]));
}
spans.push(Span::raw(" ("));
spans.push(Span::styled(s.total_matches.to_string(), Style::default().fg(Color::Yellow)));
spans.push(Span::raw(")"));
ListItem::new(Line::from(spans))
})
.collect();
let internal_selected = self.state.selected().unwrap_or(0);
let details_widget = List::new(list_items)
.style(Style::default().fg(Color::White))
.highlight_style(Style::default().bg(Color::Blue))
.block(block);
f.render_stateful_widget(details_widget, layout.search_details, &mut self.state);
if self.is_searching {
let search_input = Paragraph::new(self.search_input.value())
.style(Style::default().fg(Color::White))
.block(Block::default().borders(Borders::ALL).title("Search"));
let input_area = Rect::new(
layout.search_details.x,
layout.search_details.y + layout.search_details.height - 3,
layout.search_details.width,
3,
);
f.render_widget(search_input, input_area);
f.set_cursor(input_area.x + self.search_input.cursor() as u16 + 1, input_area.y + 1);
}
Ok(())
}
}