pumas 0.5.0

//! Startup screen.

use ratatui::{
    Frame,
    layout::{Alignment, Constraint, Direction, Layout, Rect},
    style::{Color, Style},
    text,
    widgets::{Paragraph, Wrap},
};

const LOGO2_HEIGHT: u16 = 17;
const LOGO2_WIDTH: u16 = 40;
const LOGO2_TOP_LEFT_HEIGHT: u16 = 9;
const LOGO2_TOP_LEFT_WIDTH: u16 = 15;
const LOGO2_TOP_RIGHT_WIDTH: u16 = 25;
const LOGO2_BOTTOM_HEIGHT: u16 = 8;
const PUMAS_TEXT_HEIGHT: u16 = 6;
const SPACER_HEIGHT: u16 = 2;

/// Draw the startup screen.
pub(crate) fn draw(f: &mut Frame) {
    let total_size = LOGO2_HEIGHT + SPACER_HEIGHT + PUMAS_TEXT_HEIGHT + SPACER_HEIGHT + 1;
    let centering_offset = f.area().height.saturating_sub(total_size) / 2;

    let vertical_chunks = Layout::default()
        .direction(Direction::Vertical)
        .constraints([
            Constraint::Length(centering_offset),
            Constraint::Length(LOGO2_HEIGHT + SPACER_HEIGHT + PUMAS_TEXT_HEIGHT),
            Constraint::Length(SPACER_HEIGHT),
            Constraint::Length(1),
        ])
        .split(f.area());
    let logo_area = vertical_chunks[1];
    let message_area = vertical_chunks[3];

    draw_logo(f, logo_area);

    let message = text::Text::from("Starting up...".to_string());
    let par = Paragraph::new(message)
        .alignment(Alignment::Center)
        .wrap(Wrap { trim: true });
    f.render_widget(par, message_area);
}

/// Draw the logo.
fn draw_logo(f: &mut Frame, area: Rect) {
    let horizontal_chunks = Layout::default()
        .direction(Direction::Horizontal)
        .constraints([
            Constraint::Length(f.area().width.saturating_sub(LOGO2_WIDTH) / 2), // to center
            Constraint::Length(LOGO2_WIDTH),
            // Constraint::Min(0),
        ])
        .split(area);
    let logo_area = horizontal_chunks[1];

    let logo_vertical_chunks = Layout::default()
        .direction(Direction::Vertical)
        .constraints([
            Constraint::Length(LOGO2_TOP_LEFT_HEIGHT),
            Constraint::Length(LOGO2_BOTTOM_HEIGHT),
            Constraint::Length(1),
            Constraint::Length(PUMAS_TEXT_HEIGHT),
        ])
        .split(logo_area);
    let logo_top_area = logo_vertical_chunks[0];
    let logo_bot_area = logo_vertical_chunks[1];
    let pumas_text_area = logo_vertical_chunks[3];

    let logo_horizontal_chunks = Layout::default()
        .direction(Direction::Horizontal)
        .constraints([
            Constraint::Length(LOGO2_TOP_LEFT_WIDTH),
            Constraint::Length(LOGO2_TOP_RIGHT_WIDTH),
        ])
        .split(logo_top_area);

    let logo_top_left =
        Paragraph::new(text::Text::from(LOGO2_TOP_LEFT)).style(Style::default().fg(Color::Blue));
    let logo_top_right =
        Paragraph::new(text::Text::from(LOGO2_TOP_RIGHT)).style(Style::default().fg(Color::Green));
    let logo_bottom =
        Paragraph::new(text::Text::from(LOGO2_BOTTOM)).style(Style::default().fg(Color::Magenta));
    let pumas_text = Paragraph::new(text::Text::from(PUMAS));

    f.render_widget(logo_top_left, logo_horizontal_chunks[0]);
    f.render_widget(logo_top_right, logo_horizontal_chunks[1]);
    f.render_widget(logo_bottom, logo_bot_area);
    f.render_widget(pumas_text, pumas_text_area);
}

/// Top-left logo, height: 9 lines
const LOGO2_TOP_LEFT: &str = "   ▓▓     ▓▓
   ██     ██
   ██     ██
▄▄▄▓▓▄▄▄▄▄██▄▄▄
▓▓▓▓▓▓▓▓███████
▓▓▓▓▓▓▓▓███████
▐▓▓▓▓▓▓▓██████▌
 ▀▓▓▓▓▓▓█████▀
   ▀▀▓▓▓██▀▀";

/// Top-right logo, height: 9 lines
const LOGO2_TOP_RIGHT: &str = "             ░░░░░░░░░░░▒
         ░░░░░░░░░░░░░▒▒▒
       ░░░░░░░░░░░░░▒▒▒▒▒
      ░░░░░░░░░░░▒▒▒▒▒▒▒▒
     ░░░░░░░░▒▓▒▒▒▒▒▒▒▒▒▒
     ░░░░░░▒▓▒▒▒▒▒▒▒▒▒▒▒▌
     ░░░░▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒
     ░▒▓▒▒▒▒▒▒▒▒▒▒▒▒▒▒
     ▓▒▒▒▒▒▒▒▒▒▒▒▒▀";

/// Bottom logo, height: 8 lines
const LOGO2_BOTTOM: &str = "      ▐▒▌          ▒▒
      ▐▒▌         ▐▒▌
      ▐▒▌          ▐▒▓▄
      ▐▒▌            ▀▀▒▓▓▓▓▓▓▓▓▓▓▓▓▒▄
      ▐▒▌                           ▀▓▓▄
       ▒▓                             ▒▒
       ▐▒▓▄                          ▓▒▌
         ▀▀▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▀";

// /// Full logo, height: 17 lines
// const LOGO2: &str = "
//    ▓▓     ▓▓                ░░░░░░░░░░░▒
//    ██     ██            ░░░░░░░░░░░░░▒▒▒
//    ██     ██          ░░░░░░░░░░░░░▒▒▒▒▒
// ▄▄▄▓▓▄▄▄▄▄██▄▄▄      ░░░░░░░░░░░▒▒▒▒▒▒▒▒
// ▓▓▓▓▓▓▓▓███████     ░░░░░░░░▒▓▒▒▒▒▒▒▒▒▒▒
// ▓▓▓▓▓▓▓▓███████     ░░░░░░▒▓▒▒▒▒▒▒▒▒▒▒▒▌
// ▐▓▓▓▓▓▓▓██████▌     ░░░░▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒
//  ▀▓▓▓▓▓▓█████▀      ░▒▓▒▒▒▒▒▒▒▒▒▒▒▒▒▒
//    ▀▀▓▓▓██▀▀        ▓▒▒▒▒▒▒▒▒▒▒▒▒▀
//       ▐▒▌          ▒▒
//       ▐▒▌         ▐▒▌
//       ▐▒▌          ▐▒▓▄
//       ▐▒▌            ▀▀▒▓▓▓▓▓▓▓▓▓▓▓▓▒▄
//       ▐▒▌                           ▀▓▓▄
//        ▒▓                             ▒▒
//        ▐▒▓▄                          ▓▒▌
//          ▀▀▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▀
// ";

const PUMAS: &str = r"
    _ __  _   _ _ __ ___   __ _ ___
   | '_ \| | | | '_ ` _ \ / _` / __|
   | |_) | |_| | | | | | | (_| \__ \
   | .__/ \__,_|_| |_| |_|\__,_|___/
   |_|";

// Old logo

// /// Top-left logo, height: 10 lines.
// const LOGO_17_TOP_LEFT: &str = "
//   .!~    :?^
//   ^G5.   ?&J
//   :G5    7&J
// .~7P5!~!!YB5!^
// ~P55555GGGGGG5
// ~555555PGGGGGY
// :Y55555PGGGGG7
//  :?5555PGGG5!
//    :~!J5?!^.";

// /// Top-right logo, height: 10 lines.
// const LOGO_17_TOP_RIGHT: &str = "
//           ............
//        ....:::::..::~~.
//      ..::.......:^~~~~.
//      .:......::^~~~~~~.
//     .:....:^77~~~~~~~~.
//     .:..:~7?7!~~~~~~~^
//     ..:~7?7!~~~~~~~~^
//     :!??7!~~~~~~~~^.
//    ^?7~^^^^^^^::..";

// /// Bottom logo, height: 8 lines.
// const LOGO_17_BOTTOM: &str = "      7?:       :?7.
//       7?:       :?7.
//       7?:        ~?7:.
//       7?:         :~777!!!!!!!!!!~.
//       7?:            .::::::::::^7?~
//       ~J~                        .??.
//        ~?7~:::::::::::::::::::::^!?~
//         .^!!!!!!!!!!!!!!!!!!!!!!!~:";

// /// Full logo, height: 17 lines.
// const LOGO_17_HEIGHT: &str = "
//   .!~    :?^            ............
//   ^G5.   ?&J         ....:::::..::~~.
//   :G5    7&J       ..::.......:^~~~~.
// .~7P5!~!!YB5!^     .:......::^~~~~~~.
// ~P55555GGGGGG5    .:....:^77~~~~~~~~.
// ~555555PGGGGGY    .:..:~7?7!~~~~~~~^
// :Y55555PGGGGG7    ..:~7?7!~~~~~~~~^
//  :?5555PGGG5!     :!??7!~~~~~~~~^.
//    :~!J5?!^.     ^?7~^^^^^^^::..
//       7?:       :?7.
//       7?:       :?7.
//       7?:        ~?7:.
//       7?:         :~777!!!!!!!!!!~.
//       7?:            .::::::::::^7?~
//       ~J~                        .??.
//        ~?7~:::::::::::::::::::::^!?~
//         .^!!!!!!!!!!!!!!!!!!!!!!!~:
// ";