extern crate core;

use cpuio;
use context;
// use vga::color::{Color, ColorCode};

pub static SCANCODE_TO_ASCII: [u8; 59] = *b"??1234567890-=??qwertyuiop[]\n?asdfghjkl;'`?\\zxcvbnm,./?*? ?"; 


pub fn kbd_callback(context: &mut context::Context) {
    // let terminal_two: vga::terminal::Terminal = vga::Screen::new();
    let control = unsafe { cpuio::inb(0x64) };
    if (control & 1) == 1 {
        let scancode = unsafe { cpuio::inb(0x60) };
        //TODO implement logic to translate scancode->ascii
        match self::SCANCODE_TO_ASCII.get(scancode as usize) {
            Some(&b'1') => {
                context.switch_term();
                context.current_term().flush();
            }
            Some(ascii) => {
                let mut terminal = context.current_term();
                terminal.keypress(*ascii);
            },
            None =>{},
            // None => println!("nokey ctrl {:x}", control),
        }
        // current_screen.flush();
    }
}