/* * * * * * * *\
	DIALOG.C -
		Copyright (c) 2023 freedom7341, Vortesys
	DESCRIPTION -
		Program Manager's dialogs and related
		common functions.
	LICENSE INFORMATION -
		MIT License, see LICENSE.txt in the root folder
\* * * * * * * */

/* Headers */
#include "progmgr.h"
#include "dialog.h"
#include "group.h"
#include "resource.h"
// #define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <Shlobj.h>

/* Functions */

/* * * *\
	NewGroupDlgProc -
		Dialog procedure for creating a group.
	RETURNS -
		TRUE if message is handled, FALSE otherwise.
\* * * */
BOOL CALLBACK NewGroupDlgProc(HWND hWndDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	BOOL bOKEnabled = FALSE;
	WCHAR szBuffer[] = { L"\0" };
	HICON hIconDef = NULL;
	HICON hIconDlg = NULL;
	WCHAR szIconPath[MAX_PATH] = { L"\0" };
	int iIconIndex = 0;

	switch (message)
	{

	case WM_INITDIALOG:
		// TODO:
		// Enable creation of common groups (enable the controls)
		// if permissions are available.
		
		// Populate the icon with the default path and index.
		GetModuleFileName(NULL, (LPWSTR)&szIconPath, MAX_PATH);
		iIconIndex = IDI_PROGGRP - 1;

		// Get the default hIcon so we can delete it later
		hIconDef = (HICON)SendDlgItemMessage(hWndDlg, IDD_STAT_ICON, STM_GETICON, 0, 0);

		// Set the icon in the dialog
		hIconDlg = ExtractIcon(hAppInstance, (LPWSTR)&szIconPath, iIconIndex);
		SendDlgItemMessage(hWndDlg, IDD_STAT_ICON, STM_SETICON, (WPARAM)hIconDlg, 0);

		// Set the maximum input length of the text boxes
		SendDlgItemMessage(hWndDlg, IDD_NAME, EM_LIMITTEXT, MAX_TITLE_LENGTH, 0);

		// Disable the OK button since we're starting with no text in the box.
		EnableWindow(GetDlgItem(hWndDlg, IDD_OK), bOKEnabled);

		break;

	case WM_COMMAND:
		switch (GET_WM_COMMAND_ID(wParam, lParam))
		{

		case IDD_CHICON:
			if (PickIconDlg(hWndDlg, (LPWSTR)&szIconPath, ARRAYSIZE(szIconPath), &iIconIndex) == TRUE)
			{
				// Since we've got the new icon...
				hIconDlg = ExtractIcon(hAppInstance, (LPWSTR)&szIconPath, iIconIndex);
				SendDlgItemMessage(hWndDlg, IDD_STAT_ICON, STM_SETICON, (WPARAM)hIconDlg, 0);
			}

			break;

		case IDD_OK:
			// Check that all the applicable fields are filled out
			bOKEnabled = GetDlgItemText(hWndDlg, IDD_NAME, (LPWSTR)&szBuffer, ARRAYSIZE(szBuffer));

			// Enable or disable the OK button based on the information
			EnableWindow(GetDlgItem(hWndDlg, IDD_OK), bOKEnabled);

			break;

		case IDD_CANCEL:
			EndDialog(hWndDlg, FALSE);
			break;

		default:
			break;
		}

	default:
		// Cleanup
		if (hIconDef)
			DestroyIcon(hIconDef);
		if (hIconDlg)
			DestroyIcon(hIconDlg);

		return FALSE;
	}

	return TRUE;
}

/* * * *\
	NewItemDlgProc -
		Dialog procedure for creating or modifying
		an item.
	RETURNS -
		TRUE if message is handled, FALSE otherwise.
\* * * */
BOOL CALLBACK NewItemDlgProc(HWND hWndDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{

	case WM_INITDIALOG:
		// Place message cases here. 
		break;

	case WM_COMMAND:
		switch (GET_WM_COMMAND_ID(wParam, lParam))
		{

		case IDD_CANCEL:
			EndDialog(hWndDlg, FALSE);
			break;

		default:
			break;
		}

	default:
		return FALSE;
	}

	return TRUE;
}