#include "alf/alf.h"

enum {
    ID_LBLHELLO,
    ID_LBL2,
    ID_LBL3,
    ID_ED1,
    ID_B1,
    ID_B2,
    ID_B3,
    ID_B4,
    ID_COMBO1,
    ID_LBL4,
    ID_COMBO2,
    ID_LBL5,
    ID_LBL6,
    ID__MAX
};

static HBRUSH red;
static HBRUSH green;
static HBRUSH blue;
static HBRUSH white;

LRESULT
handleMessage(void *closure, HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
    (void)closure;

    if (msg == WM_CTLCOLORSTATIC) {
        DWORD id = GetDlgCtrlID((HWND)lparam);
        HDC hdcStatic = (HDC)wparam;
        if (id == ID_LBLHELLO) {
            SetTextColor(hdcStatic, RGB(0,0,0));
            SetBkColor(hdcStatic, RGB(255,0,0));
            return (LRESULT)red;
        } else if (id == ID_LBL2) {
            SetTextColor(hdcStatic, RGB(0,0,0));
            SetBkColor(hdcStatic, RGB(0,255,0));
            return (LRESULT)green;
        } /*else if (id == ID_LBL3) {
            SetTextColor(hdcStatic, RGB(255,255,255));
            SetBkColor(hdcStatic, RGB(0,0,255));
            return (LRESULT)blue;
        } else {
            SetTextColor(hdcStatic, RGB(0,0,0));
            SetBkColor(hdcStatic, RGB(255,255,255));
            return (LRESULT)white;
        }*/
    }

    return ALF_DefWindowProc(hwnd, msg, wparam, lparam);
}

static LRESULT
handleCommand(void *closure, HWND window, WORD notificationcode, WORD sourceid, HWND control)
{
    (void)closure;

    if (notificationcode == CBN_SELCHANGE && sourceid == ID_COMBO2) {
        TCHAR *text = ALF_ComboBoxCurrentText(control);

        ALF_SetWidgetText(window, ID_LBL6, text);

        HeapFree(GetProcessHeap(), 0, text);
    }
    if (control != NULL && sourceid == ID_B4) {
        HWND combo = ALF_WidgetHwndById(window, ID_COMBO2);
        ALF_ComboBoxSetCurrentIndex(combo, -1);
    }
    if (control != NULL && sourceid == ID_B2) {
        MessageBox(window, TEXT("Hello World!"), TEXT("Hello"), MB_ICONASTERISK|MB_OK);
    }

    return 0;
}

int CALLBACK
#ifdef UNICODE
wWinMain
#else
WinMain
#endif
(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
    (void)hPrevInstance;
    (void)lpCmdLine;
    (void)nCmdShow;

    ALF_SetDpiAwareness(ALF_DPI_AWARENESS_PER_MONITOR_AWARE_V2);

    red = CreateSolidBrush(RGB(255,0,0));
    green = CreateSolidBrush(RGB(0,255,0));
    blue = CreateSolidBrush(RGB(0,0,255));
    white = CreateSolidBrush(RGB(255,255,255));

    ALFWindowClassParams cparams;
    ZeroMemory(&cparams, sizeof(cparams));

    //cparams.className = TEXT("DummyClass");
    cparams.vtbl.message = handleMessage;
    cparams.vtbl.command = handleCommand;

    ALFAPP app = ALF_CreateApplication(hInstance);

    LPCTSTR clazz = ALF_RegisterWindowClass(app, &cparams);

    HWND win = ALF_InstantiateWindow(app, clazz, NULL, NULL);

    ALF_AddLabel(win, ID_LBL2, 1, 0, TEXT("Hello, 2!\nblub"));

    HWND hwndLabel = CreateWindow(
                        TEXT("STATIC"),
                        TEXT("Hello World!"),
                        WS_CHILD | WS_VISIBLE | SS_LEFT,
                        0, 0, 50, 25,
                        win,
                        (HMENU)ID_LBLHELLO,
                        hInstance,
                        NULL);
    ALF_AddWidget(win, 0, 0, hwndLabel, 5000, 1000, ALF_MESSAGEFONT);

    ALF_AddLabel(win, ID_LBL3, 0, 1, TEXT("Good Morning my &Angel!"));

    ALF_AddEdit(win, ID_ED1, 1, 1, TEXT("Happy Birthday!"));

    ALF_AddButton(win, ID_B1, 2, 1, TEXT("&Go Go Go!"));
    ALF_AddButton(win, ID_B2, 0, 2, TEXT("Oh m&y god,\r\nwho the hell cares?"));

    ALF_AddLabel(win, ID_LBL4, 0, 3, TEXT("Editable Combo Box:"));
    HWND hwndCombo1 = ALF_AddEditableComboBox(win, ID_COMBO1, 1, 3, TEXT("Hello!"));
    ALF_AddButton(win, ID_B3, 2, 3, TEXT("Ok"));

    ALF_ComboBoxInsertString(hwndCombo1, 0, TEXT("Hello World!"));
    ALF_ComboBoxInsertString(hwndCombo1, -1, TEXT("Goodbye World!"));
    ALF_ComboBoxInsertString(hwndCombo1, 1, TEXT("The quick brown fox jumps over the lazy dog"));

    ALF_AddLabel(win, ID_LBL5, 0, 4, TEXT("Selection-Only Combo Box:"));
    HWND hwndCombo2 = ALF_AddSelectionOnlyComboBox(win, ID_COMBO2, 1, 4);
    ALF_AddButton(win, ID_B4, 2, 4, TEXT("Lol"));

    /*HWND b4 = ALF_WidgetAtLayoutPosition(win, 2, 4);
    ALF_SetWidgetLayoutSize(win, b4, 6427, 0);*/

    ALF_ComboBoxAddString(hwndCombo2, TEXT("Hello World!"));
    ALF_ComboBoxAddString(hwndCombo2, TEXT("Goodbye World!"));
    ALF_ComboBoxAddString(hwndCombo2, TEXT("The quick brown fox jumps over the lazy dog"));

    ALF_AddLabel(win, ID_LBL6, 0, 5, TEXT("[ComboBox2 value]"));

    ALF_RecalculateLayout(win);
    ALF_SetDefaultButton(win, ID_B2);

    ALF_ComboBoxSetText(hwndCombo2, TEXT("Goodbye World!"));


    EnableWindow(ALF_WidgetHwndById(win, ID_LBL3), FALSE);

    ALF_ResizeWindow(win, 1, 1);

    ALF_ShowModal(win);

    ALF_DestroyWindow(win);
    ALF_UnregisterWindowClass(app, clazz);
    ALF_TeardownApplication(app);

    return 0;
}

void
_entry(void)
{
    ExitProcess(
#ifdef UNICODE
wWinMain
#else
WinMain
#endif
        (GetModuleHandle(NULL), NULL, GetCommandLine(), SW_SHOW));
}