use self::super::kbd_defs::*;
use self::super::key::*;
use crate::arch::x86_64::io_port::*;

// this is the driver for keyboard controller
// not to confuse with the keyboard module.
// The later is an abstraction
// This one serves a the HW driver

// TODO
// [functions]
// Keyboard_Controller()
// get_ascii_code()
// key_decoded()
// key_hit()
// reboot()
// set_led(char led,bool on)
// set_repeat_rate(int speed,int delay)
pub struct KeyboardController {
    code: u8,
    prefix: u8,
    gather: Key,
    leds: u8,

    // two ports for keyboard controller
    ctrl_port: u16,
    data_port: u16,
    // status register bits
}

impl KeyboardController {

    pub fn new() -> Self {
        Self {
            code: 0,
            prefix: 9,
            gather: Key::new(),
            leds: 0,
            ctrl_port: 0x64,
            data_port: 0x60,
        }
    }

    pub fn key_hit(&mut self) -> Key {
        // for debugging only
        let mut invalid:Key = Key::new();
        invalid.set_raw(0xff);

        let status = inb(self.ctrl_port);

        // TODO here
    }
}