use std::io::{stdout, Write};
use std::thread::sleep;
use termimad::crossterm::{cursor, ExecutableCommand};
use termimad::{FmtText, MadSkin};
use termimad::crossterm::terminal::Clear;
use termimad::crossterm::terminal::ClearType::FromCursorDown;

const MARKDOWN_TEXT: &str = r#"
# Hello

This is inline code `print("hello")`.

// wrap the below line in a code block
print("hello")

Here ends it.
"#;

fn main() {
    let skin = MadSkin::default();
    stdout().execute(cursor::Hide).unwrap();
    let mut string_buffer = String::new();
    for (i, chunk) in MARKDOWN_TEXT.chars().enumerate() {
        stdout()
            .execute(cursor::SavePosition).unwrap()
            .execute(Clear(FromCursorDown)).unwrap();
        string_buffer.push(chunk);
        let formatted_text = FmtText::from(&skin, &string_buffer, None); // can have Some(width) to enable hard wrapping
        print!("{}", formatted_text);
        stdout().flush().unwrap();
        let is_last_one = i == MARKDOWN_TEXT.len() - 1;
        if !is_last_one {
            stdout().execute(cursor::RestorePosition).unwrap();
        }
        sleep(std::time::Duration::from_millis(100));
    }
    stdout().execute(cursor::Show).unwrap();
    sleep(std::time::Duration::from_millis(500));
}