extern crate clipboard;
extern crate rustty;

use clipboard::ClipboardContext;

use rustty::{Terminal, Event, Cell, Color, Attr};
use rustty::ui::Painter;

use std::time::Duration;

struct Point {
    x: usize,
    y: usize,
}

fn strip_key(line: &str) -> &str {
    let strings: Vec<&str> = line.split(": ").collect();
    strings[1]
}

fn main() {
    let mut term = Terminal::new().unwrap();
    term.swap_buffers().unwrap();

    let knockout_cell = Cell::with_style(Color::Byte(0x07), Color::Black, Attr::Default);

    let mut selection = Point { x: 0, y: 2 };

    let mut clipboard_ctx = ClipboardContext::new().unwrap();

    loop {
        term.printline(0, 0, "Passextract (Press q or Ctrl-C to quit)");

        term.printline_with_cell(selection.x, selection.y, "->", knockout_cell);
        term.printline(5, 2, "test");

        let options = vec![
            "e: booya@kacha.ch",
            "u: booyakacha",
            "p: secret"
        ];

        for (i, s) in options.iter().enumerate() {
            term.printline(5, i + 3, s)
        }

        term.set_cursor(selection.x + 2, selection.y).unwrap();

        let evt = term.get_event(Duration::from_millis(100)).unwrap();
        if let Some(Event::Key(ch)) = evt {
            match ch {
                'q' | '\x03' => {
                    break;
                }
                'j' => {
                    if selection.y < options.len() + 2 {
                        term.printline(selection.x, selection.y, "  ");

                        selection.y = selection.y + 1;

                        term.printline_with_cell(selection.x, selection.y, "->", knockout_cell);
                        term.set_cursor(selection.x + 2, selection.y).unwrap();
                    }
                }
                'k' => {
                    if selection.y > 2 {
                        term.printline(selection.x, selection.y, "  ");

                        selection.y = selection.y - 1;

                        term.printline_with_cell(selection.x, selection.y, "->", knockout_cell);
                        term.set_cursor(selection.x + 2, selection.y).unwrap();
                    }
                }
                '\x0D' => {
                    clipboard_ctx.set_contents(strip_key(options[selection.y - 3]).to_owned()).unwrap()
                }
                c @ _ => {
                }
            }
        }

        term.swap_buffers().unwrap();
    }
}