/*
    "ALLS.NET PRAS MULTI 3" (apm3) hook

    Devices

    USB:    837-15257-01 "Type 4" I/O Board
    USB:    838-20006 "WinTouch" Controller Board
    COM1:   200-6275 VFD GP1232A02A FUTABA Board
    COM2:   837-15093-06 LED Controller Board
    COM3:   837-15396 "Gen 3" Aime Reader
*/

#include <windows.h>

#include <stdlib.h>

#include "board/io4.h"
#include "board/sg-reader.h"
#include "board/vfd.h"

#include "hook/process.h"

#include "hooklib/dvd.h"
#include "hooklib/touch.h"
#include "hooklib/serial.h"
#include "hooklib/spike.h"

#include "apm3hook/config.h"
#include "apm3hook/io4.h"
#include "apm3hook/apm3-dll.h"

#include "platform/platform.h"

#include "unityhook/hook.h"

#include "util/dprintf.h"

static HMODULE apm3_hook_mod;
static process_entry_t apm3_startup;
static struct apm3_hook_config apm3_hook_cfg;

static DWORD CALLBACK apm3_pre_startup(void)
{
    HRESULT hr;

    dprintf("--- Begin apm3_pre_startup ---\n");

    /* Load config */

    apm3_hook_config_load(&apm3_hook_cfg, L".\\segatools.ini");

    /* Hook Win32 APIs */

    dvd_hook_init(&apm3_hook_cfg.dvd, apm3_hook_mod);
    touch_screen_hook_init(&apm3_hook_cfg.touch, apm3_hook_mod);
    serial_hook_init();

    /* Initialize emulation hooks */

    hr = platform_hook_init(
            &apm3_hook_cfg.platform,
            "SDEM",
            "ACA1",
            apm3_hook_mod);

    if (FAILED(hr)) {
        goto fail;
    }

    hr = apm3_dll_init(&apm3_hook_cfg.dll, apm3_hook_mod);

    if (FAILED(hr)) {
        goto fail;
    }

    hr = led15093_hook_init(&apm3_hook_cfg.led15093, 
        apm3_dll.led_init, apm3_dll.led_set_leds, 2, 1, 1, 2);

    if (FAILED(hr)) {
        return hr;
    }

    hr = sg_reader_hook_init(&apm3_hook_cfg.aime, 3, 1, apm3_hook_mod);

    if (FAILED(hr)) {
        goto fail;
    }

    hr = vfd_hook_init(&apm3_hook_cfg.vfd, 1);

    if (FAILED(hr)) {
        goto fail;
    }

    hr = apm3_io4_hook_init(&apm3_hook_cfg.io4);

    if (FAILED(hr)) {
        goto fail;
    }

    /* Initialize Unity native plugin DLL hooks

       There seems to be an issue with other DLL hooks if `LoadLibraryW` is
       hooked earlier in the `apm3hook` initialization. */

    unity_hook_init(&apm3_hook_cfg.unity, apm3_hook_mod);

    /* Initialize debug helpers */

    spike_hook_init(L".\\segatools.ini");

    dprintf("---  End  apm3_pre_startup ---\n");

    /* Jump to EXE start address */

    return apm3_startup();

fail:
    ExitProcess(EXIT_FAILURE);
}

BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
{
    HRESULT hr;

    if (cause != DLL_PROCESS_ATTACH) {
        return TRUE;
    }

    apm3_hook_mod = mod;

    hr = process_hijack_startup(apm3_pre_startup, &apm3_startup);

    if (!SUCCEEDED(hr)) {
        dprintf("Failed to hijack process startup: %x\n", (int) hr);
    }

    return SUCCEEDED(hr);
}