#ifndef KEYBOARD_H
#define KEYBOARD_H

#include <interrupt/idt.h>
#include <interrupt/pic.h>
#include <keyboard/keys.h>
#include <memory/addresses.h>
#include <stdio.h>
#include <stdbool.h>

typedef struct {
    char character;
    bool shift;
} keyboardState_t;

keyboardState_t* keyboard = (keyboardState_t*)KEYBOARD_STATE_LOC;

__attribute__ ((interrupt))
void keyboardHandler(intFrame_t* iframe) { // TODO: Make this better and be able to read multi-byte scancode
    uint8_t scancode = inb(0x60);
    char c = US_Keyboard[keyboard->shift][scancode];

    if (scancode == LEFT_SHIFT_PRESS || scancode == RIGHT_SHIFT_PRESS) {
        keyboard->shift = true;
    } else if (scancode == LEFT_SHIFT_RELEASE || scancode == RIGHT_SHIFT_RELEASE) {
        keyboard->shift = false;
    }

    if (scancode & 0x80) { // Keyup
    } else if (c != '\0') {
        keyboard->character = c;
    }

    sendPicEOI(1);
}

void setupKeyboard() {
    idtSetGate(0x21, keyboardHandler, INT_GATE_FLAGS);
    unsetIrqMask(1);
}

#endif