#include <windows.h>
#include <xinput.h>

#include <limits.h>
#include <stdint.h>

#include "mai2io/mai2io.h"
#include "mai2io/config.h"

static struct mai2_io_config mai2_io_cfg;

uint16_t mai2_io_get_api_version(void)
{
    return 0x0100;
}

HRESULT mai2_io_init(void)
{
    mai2_io_config_load(&mai2_io_cfg, L".\\segatools.ini");
    return S_OK;
}

HRESULT mai2_io_poll(uint8_t *opbtn, uint8_t *player1, uint8_t *player2)
{
    uint8_t opts = 0;
    uint8_t p1 = 0;
    uint8_t p2 = 0;

    if (GetAsyncKeyState(mai2_io_cfg.vk_test) & 0x8000) {
        opts |= MAI2_IO_OPBTN_TEST;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_service) & 0x8000) {
        opts |= MAI2_IO_OPBTN_SERVICE;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_coin) & 0x8000) {
        opts |= MAI2_IO_OPBTN_COIN;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_start) & 0x8000) {
        opts |= MAI2_IO_P1_START;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_start) & 0x8000) {
        opts |= MAI2_IO_P2_START;
    }

    *opbtn = opts;

    if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[0]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_1;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[1]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_2;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[2]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_3;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[3]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_4;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[4]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_5;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[5]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_6;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[6]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_7;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p1_btn[7]) & 0x8000) {
        p1 |= MAI2_IO_GAMEBTN_8;
    }

    *player1 = p1;

    if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[0]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_1;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[1]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_2;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[2]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_3;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[3]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_4;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[4]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_5;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[5]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_6;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[6]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_7;
    }if (GetAsyncKeyState(mai2_io_cfg.vk_p2_btn[7]) & 0x8000) {
        p2 |= MAI2_IO_GAMEBTN_8;
    }

    *player2 = p2;
    return S_OK;
}