// Renegade Map Selector
//
// Douglas Thrift
//
// RenegadeMapSelector.cpp

#ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#include "resource.h"
#endif

#include "RenegadeMapSelector.h"
#include "RenegadeConfig.h"

bool debug = false;
string program;
RenegadeConfig* config;

#ifndef _WIN32
inline string fix(const string& ansi) { return ansi; }
inline void munge(void) { return; }
#else
inline string fix(const wstring& wide)
{
	char* buffer = new char[wide.length() + 1];

	WideCharToMultiByte(CP_ACP, 0, wide.c_str(), -1, buffer, wide.length() + 1,
		NULL, NULL);

	string ansi = buffer;
	delete [] buffer;

	return ansi;
}

inline void munge(void)
{
	if (debug) return;

	AllocConsole();
	SetConsoleTitle("Renegade Map Selector");

	int hin = _open_osfhandle(long(GetStdHandle(STD_INPUT_HANDLE)), _O_TEXT);
	int hout = _open_osfhandle(long(GetStdHandle(STD_OUTPUT_HANDLE)), _O_TEXT);
	int herr = _open_osfhandle(long(GetStdHandle(STD_ERROR_HANDLE)), _O_TEXT);

	FILE* fin = _fdopen(hin, "r");
	FILE* fout = _fdopen(hout, "w");
	FILE* ferr = _fdopen(herr, "w");

	*stdin = *fin;
	*stdout = *fout;
	*stderr = *ferr;

	setvbuf(stdin, NULL, _IONBF, 0);
	setvbuf(stdout, NULL, _IONBF, 0);
	setvbuf(stderr, NULL, _IONBF, 0);

	cin.sync_with_stdio();
	cout.sync_with_stdio();
	cerr.sync_with_stdio();

	debug = true;
}
#endif

int CALLBACK selector(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR
	lpCmdLine, int nShowCmd)
{
	int argc;
	unsigned short** argv = CommandLineToArgvW(GetCommandLineW(), &argc);

	string error;
	string file = "svrcfg_cnc.ini";

	program = fix(argv[0]);

	for (int index = 1; index < argc; index++)
	{
		string arg = fix(argv[index]);

		if (arg == "-D")
		{
			munge();
		}
		else if (arg == "-file")
		{
			if (++index < argc)
			{
				file = fix(argv[index]);
			}
			else
			{
				error = "The argument -file must be followed by a filename.";

				MessageBox(NULL, error.c_str(), "Bad Arguments", MB_ICONERROR);
				return 1;
			}
		}
	}

	GlobalFree(argv);

	if (debug) cerr << "file = " << file << "\n";

	config = new RenegadeConfig(file);
	if (!config->load())
	{
		error = "Could not open " + file + ".";

		MessageBox(NULL, error.c_str(), "Bad File", MB_ICONERROR);
		return 1;
	}

	DialogBox(hInstance, MAKEINTRESOURCE(IDD_MAP_SELECTOR), NULL, selector);

	delete config;

	if (debug) cin.get();

	return 0;
}

int CALLBACK selector(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch (uMsg)
	{
	case WM_INITDIALOG:
		{
			RECT rc, rcDlg, rcDesktop;

			GetWindowRect(GetDesktopWindow(), &rcDesktop);
			GetWindowRect(hwndDlg, &rcDlg);
			CopyRect(&rc, &rcDesktop);

			OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
			OffsetRect(&rc, -rc.left, -rc.top);
			OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);

			SetWindowPos(hwndDlg, HWND_TOP, rcDesktop.left + (rc.right / 2),
				rcDesktop.top + (rc.bottom / 2), 0, 0, SWP_NOSIZE);
		}
		{
			char* directory = new char[MAX_PATH + 1];
			GetCurrentDirectory(MAX_PATH + 1, directory);
			if (debug) cerr << "directory = " << directory << "\n";

			char* data = new char[MAX_PATH + 1];
			sprintf(data, "%s\\data\\*.mix", directory);
			delete [] directory;
			if (debug) cerr << "data = " << data << "\n";

			DlgDirList(hwndDlg, data, IDC_AVAILABLE, 0, DDL_ARCHIVE);
			SetCurrentDirectory("..");

			delete [] data;
		}
		break;
	case WM_COMMAND:
		switch (LOWORD(wParam))
		{
		case IDOK:
			config->save();
		case IDCANCEL:
			EndDialog(hwndDlg, wParam);
			return true;
		}
		break;
	}

	return false;
}