#include "InstallerMain.h"

#include "InstallerUtil.h"

#include "SelectGame.h"

#include "GamesList.h"

#include "ChooseMethod.h"

#include "PerformInstall.h"

#include "LocalCopyMethod.h"

int selected_game_index = -1;

mod_info_t **game_sel_list = NULL;

unsigned int game_sel_count = 0;

void AppendSelectableGame(mod_info_t *mod)

{

	if (game_sel_list == NULL)

	{

		game_sel_list = 

			(mod_info_t **)malloc(sizeof(mod_info_t *) * (game_sel_count + 1));

	}

	else

	{

		game_sel_list = 

			(mod_info_t **)realloc(game_sel_list, 

			sizeof(mod_info_t *) * (game_sel_count + 1));

	}

	game_sel_list[game_sel_count++] = mod;

}

INT_PTR CALLBACK ChooseGameHandler(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)

{

	switch (message)

	{

	case WM_INITDIALOG:

		{

			HWND lbox = GetDlgItem(hDlg, IDC_SELGAME_LIST);

			for (unsigned int i = 0; i < g_mod_count; i++)

			{

				LRESULT res = SendMessage(lbox,

					LB_ADDSTRING,

					0,

					(LPARAM)g_mod_list[i].name);

				if (res == LB_ERR || res == LB_ERRSPACE)

				{

					continue;

				}

				AppendSelectableGame(&g_mod_list[i]);

			}

			UpdateWindow(lbox);

			SetToGlobalPosition(hDlg);

			return (INT_PTR)TRUE;

		}

	case WM_COMMAND:

		{

			if (LOWORD(wParam) == ID_SELGAME_EXIT

				|| LOWORD(wParam) == ID_CLOSE)

			{

				return AskToExit(hDlg);

			}

			else if (LOWORD(wParam) == ID_SELGAME_BACK)

			{

				UpdateGlobalPosition(hDlg);

				EndDialog(hDlg, (INT_PTR)DisplayChooseMethod);

				return (INT_PTR)TRUE;

			}

			else if (LOWORD(wParam) == IDC_SELGAME_LIST)

			{

				if (HIWORD(wParam) == LBN_SELCHANGE)

				{

					HWND lbox = (HWND)lParam;

					LRESULT cursel = SendMessage(lbox, LB_GETCURSEL, 0, 0);

					selected_game_index = -1;

					if (cursel == LB_ERR)

					{

						break;

					}

					if (cursel >= (LRESULT)g_mod_count)

					{

						break;

					}

					selected_game_index = (int)cursel;

					HWND button = GetDlgItem(hDlg, ID_SELGAME_NEXT);

					EnableWindow(button, TRUE);

				}

			}

			else if (LOWORD(wParam) == ID_SELGAME_NEXT)

			{

				if (selected_game_index == -1)

				{

					break;

				}

				g_LocalCopier.SetOutputPath(game_sel_list[selected_game_index]->mod_path);

				SetInstallMethod(&g_LocalCopier);

				UpdateGlobalPosition(hDlg);

				EndDialog(hDlg, (INT_PTR)DisplayPerformInstall);

				return (INT_PTR)TRUE;

			}

			break;

		}

	case WM_DESTROY:

		{

			ReleaseGamesList();

			free(game_sel_list);

			game_sel_list = NULL;

			game_sel_count = 0;

			break;

		}

	}

	return (INT_PTR)FALSE;

}

void *DisplaySelectGame(HWND hWnd)

{

	INT_PTR val;

	if ((val = DialogBox(

		g_hInstance, 

		MAKEINTRESOURCE(IDD_SELECT_GAME),

		hWnd,

		ChooseGameHandler)) == -1)

	{

		return NULL;

	}

	return (void *)val;

}