/*
 * p1_keyboard.c — печать сырых событий getkey()/kbd_mod_state().
 */

#include <stdio.h>
#include <stdint.h>
#include <conio.h>
#include "p1_platform.h"

static uint8_t compact_modifiers(uint16_t state)
{
    uint8_t result = 0;
    if (state & (KBD_MOD_LSHIFT | KBD_MOD_RSHIFT)) result |= 0x01;
    if (state & (KBD_MOD_CTRL | KBD_MOD_LCTRL | KBD_MOD_RCTRL)) result |= 0x02;
    if (state & (KBD_MOD_ALT | KBD_MOD_LALT | KBD_MOD_RALT)) result |= 0x04;
    return result;
}

int p1_test_keyboard(void)
{
    uint8_t n = 0;

    p1_heading("Keyboard: raw event capture");
    cputs("Press navigation keys, F1..F10 and Ctrl combinations.\r\n");
    cputs("Esc finishes after its event is printed. Maximum: 24 events.\r\n\r\n");
    cputs(" n  key   ascii scan  live_mod compact\r\n");

    while (n < 24) {
        uint16_t key = getkey();
        uint16_t live = kbd_mod_state();
        uint8_t ascii = (uint8_t)key;
        uint8_t scan = (uint8_t)(key >> 8);
        uint8_t compact = compact_modifiers(live);
        char printable = (ascii >= 0x20 && ascii < 0x7F) ? (char)ascii : '.';

        printf("%2u   %c     %02X    %02X     %04X      %02X\n",
               (unsigned)n, printable, (unsigned)ascii, (unsigned)scan,
               (unsigned)live, (unsigned)compact);
        n++;
        if (ascii == 0x1B) break;
    }

    cputs("\r\nCompare the captured values with commander-keymap.md.\r\n");
    return 0;
}