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use anyhow::Result;
use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
use crate::app::{App, FileOperation, FormatMode};
pub fn handle_normal_mode(app: &mut App, key: KeyEvent) -> Result<bool> {
// Handle file operation confirmation/prompt if active
if let Some(ref op) = app.file_op_pending.clone() {
return handle_file_operation(app, key, op);
}
// Handle substitute confirmation if active
if !app.substitute_confirmations.is_empty() {
match key.code {
KeyCode::Char('y') | KeyCode::Char('n') | KeyCode::Char('a') | KeyCode::Char('q') => {
if let KeyCode::Char(c) = key.code {
app.handle_substitute_confirmation(c);
}
return Ok(false);
}
KeyCode::Esc => {
app.handle_substitute_confirmation('q');
return Ok(false);
}
_ => return Ok(false),
}
}
// Handle explorer navigation if explorer has focus
if app.explorer_open && app.explorer_has_focus {
return handle_explorer_navigation(app, key);
}
// Main normal mode keyboard handling
match key.code {
KeyCode::Char('u') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.undo();
}
}
KeyCode::Char('v') => {
// Enter Visual/Select mode in View mode
if !app.showing_help && app.format_mode == FormatMode::View && !app.relf_entries.is_empty() {
app.visual_mode = true;
app.visual_start_index = app.selected_entry_index;
app.visual_end_index = app.selected_entry_index;
app.set_status("-- VISUAL --");
}
}
KeyCode::Char('?') => {
// Toggle help
app.toggle_help();
}
KeyCode::Char('q') | KeyCode::Esc | KeyCode::Char('[') => {
// Check for Ctrl+[ to exit Visual mode
if key.code == KeyCode::Char('[') && !key.modifiers.contains(KeyModifiers::CONTROL) {
// Not Ctrl+[, ignore
} else {
// Exit Visual mode if active, otherwise quit
if app.visual_mode {
app.visual_mode = false;
app.set_status("");
} else {
return Ok(true);
}
}
}
KeyCode::Char('w') => {
// Vim-like: move to start of next word (Edit mode)
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.move_to_next_word_start();
}
}
KeyCode::Char('e') => {
// Vim-like: move to end of next word (Edit mode)
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.move_to_next_word_end();
}
}
KeyCode::Char('b') => {
// Vim-like: move to start of previous word (Edit mode)
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.move_to_previous_word_start();
}
}
KeyCode::Char('r') => {
if !app.showing_help {
// Clear filter when toggling modes
if !app.filter_pattern.is_empty() {
app.filter_pattern.clear();
}
// Toggle between View and Edit only (not Help)
app.format_mode = match app.format_mode {
FormatMode::View => FormatMode::Edit,
FormatMode::Edit => FormatMode::View,
FormatMode::Help => FormatMode::View, // If somehow in Help, go to View
};
let mode_name = match app.format_mode {
FormatMode::View => "View",
FormatMode::Edit => "Edit",
FormatMode::Help => "Help",
};
if app.format_mode == FormatMode::View {
app.hscroll = 0;
}
app.convert_json();
app.set_status(&format!("{} mode", mode_name));
}
}
KeyCode::Char('i') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.input_mode = crate::app::InputMode::Insert;
app.ensure_cursor_visible();
app.set_status("-- INSERT --");
}
}
KeyCode::Char('x') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.delete_char();
app.is_modified = true;
}
}
KeyCode::Char('X') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.backspace();
app.is_modified = true;
}
}
KeyCode::Char(':') => {
// Allow command mode even when showing help (for :h to toggle)
app.input_mode = crate::app::InputMode::Command;
app.command_buffer = String::new();
app.command_history_index = None;
app.set_status(":");
}
KeyCode::Up | KeyCode::Char('k') => {
if app.showing_help {
// Allow scrolling in help mode (takes priority)
app.scroll_up();
} else if app.format_mode == FormatMode::Edit {
app.move_cursor_up();
} else if !app.relf_entries.is_empty() {
// Move selection up in card view
if app.selected_entry_index > 0 {
app.selected_entry_index -= 1;
// Reset horizontal scroll when changing cards
app.hscroll = 0;
// In Visual mode, extend selection
if app.visual_mode {
app.visual_end_index = app.selected_entry_index;
}
}
} else {
app.relf_jump_up();
}
}
KeyCode::Down | KeyCode::Char('j') => {
if app.showing_help {
// Allow scrolling in help mode (takes priority)
app.scroll_down();
} else if app.format_mode == FormatMode::Edit {
app.move_cursor_down();
} else if !app.relf_entries.is_empty() {
// Move selection down in card view
if app.selected_entry_index + 1 < app.relf_entries.len() {
app.selected_entry_index += 1;
// Reset horizontal scroll when changing cards
app.hscroll = 0;
// In Visual mode, extend selection
if app.visual_mode {
app.visual_end_index = app.selected_entry_index;
}
}
} else {
app.relf_jump_down();
}
}
KeyCode::Left | KeyCode::Char('h') => {
if !app.showing_help {
if app.format_mode == FormatMode::Edit {
app.move_cursor_left();
} else {
// Vertical scroll up in View mode (card context)
app.hscroll = app.hscroll.saturating_sub(1);
}
}
}
KeyCode::Right | KeyCode::Char('l') => {
if !app.showing_help {
if app.format_mode == FormatMode::Edit {
app.move_cursor_right();
} else {
// Vertical scroll down in View mode (card context)
// Calculate max scroll based on context field length
if !app.relf_entries.is_empty() && app.selected_entry_index < app.relf_entries.len() {
let entry = &app.relf_entries[app.selected_entry_index];
if let Some(context) = &entry.context {
let lines: Vec<&str> = context.lines().collect();
// Estimate visible lines: total height divided by number of visible cards
// Subtract 2 for card borders (top and bottom)
let visible_lines = (app.visible_height as usize / app.max_visible_cards).saturating_sub(2);
let max_scroll = lines.len().saturating_sub(visible_lines);
if (app.hscroll as usize) < max_scroll {
app.hscroll += 1;
}
}
}
}
}
}
KeyCode::Char('0') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
app.content_cursor_col = 0;
app.ensure_cursor_visible();
}
}
KeyCode::Char('$') => {
if !app.showing_help && app.format_mode == FormatMode::Edit {
let lines = app.get_json_lines();
if app.content_cursor_line < lines.len() {
app.content_cursor_col =
lines[app.content_cursor_line].chars().count();
app.ensure_cursor_visible();
}
}
}
KeyCode::PageUp => app.page_up(),
KeyCode::PageDown => app.page_down(),
KeyCode::Char('G') => {
if app.showing_help {
// Allow scrolling to bottom in help mode (takes priority)
app.scroll_to_bottom();
} else if app.format_mode == FormatMode::Edit {
app.scroll_to_bottom();
let lines = app.get_json_lines();
if !lines.is_empty() {
app.content_cursor_line = lines.len() - 1;
app.content_cursor_col = 0;
}
} else if !app.relf_entries.is_empty() {
// Jump to last card
app.selected_entry_index = app.relf_entries.len() - 1;
} else {
app.scroll_to_bottom();
}
}
KeyCode::Char('/') => {
if !app.showing_help {
app.start_search();
}
}
KeyCode::Char('n') => {
if !app.showing_help {
app.next_match();
}
}
KeyCode::Char('N') => {
if !app.showing_help {
app.prev_match();
}
}
KeyCode::Enter => {
// Open edit overlay for selected card
if !app.showing_help && !app.relf_entries.is_empty() {
app.start_editing_entry();
}
}
KeyCode::Char(c)
if c == 'g'
|| c == '-'
|| c == '+'
|| app.vim_buffer.starts_with('g') =>
{
// Allow gg in help mode for scrolling to top
app.handle_vim_input(c);
}
_ => {
// Reset dd count if any other key is pressed
if app.dd_count > 0 {
app.dd_count = 0;
app.vim_buffer.clear();
}
}
}
Ok(false)
}
fn handle_file_operation(app: &mut App, key: KeyEvent, op: &FileOperation) -> Result<bool> {
match op {
FileOperation::Delete(_) => {
// Waiting for yes/no confirmation
match key.code {
KeyCode::Esc => {
app.cancel_file_operation();
return Ok(false);
}
KeyCode::Enter => {
let input = app.file_op_prompt_buffer.trim().to_lowercase();
if input == "yes" {
app.handle_file_op_confirmation('y');
} else if input == "no" {
app.handle_file_op_confirmation('n');
} else {
app.set_status("Invalid input. Type 'yes' or 'no'");
app.file_op_prompt_buffer.clear();
}
return Ok(false);
}
KeyCode::Char(c) => {
app.file_op_prompt_buffer.push(c);
let path_display = if let FileOperation::Delete(path) = op {
let name = path.file_name().and_then(|n| n.to_str()).unwrap_or("unknown");
let item_type = if path.is_dir() { "directory" } else { "file" };
format!("Delete {} '{}'? (yes/no) {}", item_type, name, app.file_op_prompt_buffer)
} else {
String::new()
};
app.set_status(&path_display);
return Ok(false);
}
KeyCode::Backspace => {
if !app.file_op_prompt_buffer.is_empty() {
app.file_op_prompt_buffer.pop();
let path_display = if let FileOperation::Delete(path) = op {
let name = path.file_name().and_then(|n| n.to_str()).unwrap_or("unknown");
let item_type = if path.is_dir() { "directory" } else { "file" };
format!("Delete {} '{}'? (yes/no) {}", item_type, name, app.file_op_prompt_buffer)
} else {
String::new()
};
app.set_status(&path_display);
} else {
app.cancel_file_operation();
}
return Ok(false);
}
_ => return Ok(false),
}
}
FileOperation::Create | FileOperation::CreateDir | FileOperation::Copy(_) | FileOperation::Rename(_) => {
// Waiting for filename input
match key.code {
KeyCode::Esc => {
app.cancel_file_operation();
return Ok(false);
}
KeyCode::Enter => {
app.execute_file_operation();
return Ok(false);
}
KeyCode::Char(c) => {
app.file_op_prompt_buffer.push(c);
let prompt_msg = match op {
FileOperation::Create => "New file name (must end with .json):",
FileOperation::CreateDir => "New directory name:",
FileOperation::Copy(src) => {
let name = src.file_name().and_then(|n| n.to_str()).unwrap_or("unknown");
&format!("Copy '{}' to (must end with .json):", name)
}
FileOperation::Rename(path) => {
if path.is_dir() {
"Rename/Move directory to:"
} else {
"Rename/Move to (must end with .json):"
}
}
_ => "",
};
app.set_status(&format!("{} {}", prompt_msg, app.file_op_prompt_buffer));
return Ok(false);
}
KeyCode::Backspace => {
if !app.file_op_prompt_buffer.is_empty() {
app.file_op_prompt_buffer.pop();
let prompt_msg = match op {
FileOperation::Create => "New file name (must end with .json):",
FileOperation::CreateDir => "New directory name:",
FileOperation::Copy(src) => {
let name = src.file_name().and_then(|n| n.to_str()).unwrap_or("unknown");
&format!("Copy '{}' to (must end with .json):", name)
}
FileOperation::Rename(path) => {
if path.is_dir() {
"Rename/Move directory to:"
} else {
"Rename/Move to (must end with .json):"
}
}
_ => "",
};
app.set_status(&format!("{} {}", prompt_msg, app.file_op_prompt_buffer));
} else {
app.cancel_file_operation();
}
return Ok(false);
}
_ => return Ok(false),
}
}
}
}
fn handle_explorer_navigation(app: &mut App, key: KeyEvent) -> Result<bool> {
match key.code {
KeyCode::Char(':') => {
// Allow command mode from explorer
app.input_mode = crate::app::InputMode::Command;
app.command_buffer = String::new();
app.command_history_index = None;
app.set_status(":");
return Ok(false);
}
KeyCode::Char('j') | KeyCode::Down => {
app.explorer_move_down();
return Ok(false);
}
KeyCode::Char('k') | KeyCode::Up => {
app.explorer_move_up();
return Ok(false);
}
KeyCode::Enter => {
// Open file and move focus to right
app.explorer_select_entry();
return Ok(false);
}
KeyCode::Char('o') => {
// Check if this might be part of 'go'
if app.vim_buffer == "g" {
// Let handle_vim_input process 'go'
app.handle_vim_input('o');
} else {
// Standalone 'o' - open file
app.explorer_select_entry();
}
return Ok(false);
}
KeyCode::Char('q') => {
// Quit program
return Ok(true);
}
KeyCode::Char('g') => {
// Start of potential 'go' or 'gg'
app.handle_vim_input('g');
return Ok(false);
}
_ => {}
}
Ok(false)
}