#ifdef _WIN32

#include <windows.h>

#include "internal.h"
#include "pltf/pltf.h"

#define PLTF_KEYS_X(lower, upper)                  \
    case PLTF_KEY_##upper:                         \
        if (pltf_state.key_##lower##_cb != NULL) { \
           pltf_state.key_##lower##_cb(action);         \
        }                                          \
        break;

static void handle_key(const WPARAM key, const PltfKeyAction action) {
    const PltfKey pltf_key = vk_to_pltf_key(key);

    if (pltf_state.key_cb != NULL) {
        pltf_state.key_cb(pltf_key, action);
    }
}

#undef PLTF_KEYS_X

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    WinState* pState = NULL;
    if (uMsg == WM_CREATE) {
        CREATESTRUCT* pCreate = (CREATESTRUCT*) lParam;
        pState = (WinState*) pCreate->lpCreateParams;
        SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) pState);
    } else {
        LONG_PTR ptr = GetWindowLongPtr(hwnd, GWLP_USERDATA);
        pState = (WinState*) ptr;
    }

    switch (uMsg) {
        // case WM_LBUTTONDOWN: {
        //     printf("State: msg: %s, num: %d\n", pState->msg, pState->num);
        //
        //     printf("lParam: %llx\n", lParam);
        //     int mouse_x = GET_X_LPARAM(lParam);
        //     printf("mouse_x: %x\n", mouse_x);
        //     int mouse_y = GET_Y_LPARAM(lParam);
        //     printf("mouse_y: %x\n", mouse_y);
        //     printf("x: %d y: %d\n", mouse_x, mouse_y);
        //
        //     return 0;
        // }

        // case WM_CREATE: {
        //     return 0;
        // }

    case WM_KEYDOWN:
        handle_key(wParam, PLTF_KEY_DOWN);
        return 0;

    case WM_KEYUP:
        handle_key(wParam, PLTF_KEY_UP);
        return 0;

    case WM_CLOSE:
        // if (MessageBox(hwnd, L"Really quit?", L"My Application", MB_OKCANCEL) == IDOK) {
        // }
        PostMessage(hwnd, WM_DESTROY, 0, 0);
        return 0;
    }
    return DefWindowProc(hwnd, uMsg, wParam, lParam);
}

#endif // _WIN32