leetrs 1.0.9

A command-line tool to interact with LeetCode.
Documentation 
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use crossterm::event::{KeyCode, KeyEvent};
use ratatui::{
    Frame,
    layout::{Constraint, Direction, Layout},
    style::{Color, Style},
    widgets::{Block, Borders, List, ListItem, Paragraph},
};

use crate::tui::{Action, screen::Screen, utils::create_split_item};
pub enum InputMode {
    Editing,
    Normal,
}

pub struct HelpScreen;

impl Screen for HelpScreen {
    fn render(&mut self, frame: &mut Frame) {
        let chunks = Layout::default()
            .direction(Direction::Vertical)
            .margin(1)
            .constraints([Constraint::Min(1), Constraint::Length(2)])
            .split(frame.area());

        let help_area = chunks[0];

        let mut items: Vec<ListItem> = Vec::new();

        // Section: Global
        items.push(create_split_item(
            "Global",
            "",
            Color::White,
            help_area.width,
        ));
        items.push(create_split_item(
            "Tab",
            "Switch between Problems and Help",
            Color::Cyan,
            help_area.width,
        ));
        items.push(create_split_item(
            "q / Esc",
            "Quit the application (from any tab)",
            Color::Cyan,
            help_area.width,
        ));

        items.push(create_split_item("", "", Color::White, help_area.width));

        // Section: Problems tab (Selection)
        items.push(create_split_item(
            "Problems",
            "",
            Color::White,
            help_area.width,
        ));
        items.push(create_split_item(
            "/",
            "Start searching problems",
            Color::Green,
            help_area.width,
        ));
        items.push(create_split_item(
            "j / k or ↓ / ↑",
            "Move selection down / up",
            Color::Green,
            help_area.width,
        ));
        items.push(create_split_item(
            "Enter",
            "Select the highlighted problem",
            Color::Green,
            help_area.width,
        ));
        items.push(create_split_item(
            "1 / 2 / 3 / 4",
            "Filter by difficulty (Easy / Med / Hard / All)",
            Color::Green,
            help_area.width,
        ));
        items.push(create_split_item(
            "Ctrl+j / Ctrl+k",
            "Move selection while searching",
            Color::Green,
            help_area.width,
        ));

        items.push(create_split_item("", "", Color::White, help_area.width));

        // Section: Search mode specifics
        items.push(create_split_item(
            "Search mode",
            "",
            Color::White,
            help_area.width,
        ));

        items.push(create_split_item(
            "Esc",
            "Return to list from search",
            Color::Yellow,
            help_area.width,
        ));

        let help_list = List::new(items).block(
            Block::default()
                .borders(Borders::ALL)
                .title(" Help - Key Bindings ")
                .border_style(Style::default().fg(Color::DarkGray)),
        );

        frame.render_widget(help_list, help_area);

        // Bottom hint bar
        let hint = Paragraph::new("Press Tab to return to Problems tab.")
            .style(Style::default().fg(Color::DarkGray));
        frame.render_widget(hint, chunks[1]);
    }

    fn event_loop(&mut self, key_event: &KeyEvent) -> Option<Action> {
        match key_event.code {
            KeyCode::Char('q') | KeyCode::Esc => Some(Action::Quit),
            _ => None,
        }
    }
}

impl HelpScreen {
    pub fn new() -> Self {
        Self
    }
}