/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001-2006 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"

#include "wince-sdl.h"

#include "CELauncherDialog.h"

#include "base/engine.h"

#include "gui/newgui.h"
#include "gui/widget.h"
#include "gui/browser.h"
#include "gui/message.h"

#include "common/config-manager.h"

using namespace GUI;
using namespace Common;

class CEAboutDialog : public Dialog {
public:
	CEAboutDialog::CEAboutDialog()
	: Dialog(10, 60, 300, 77) {
		char tempo[100];

		addButton(this,(_w - kButtonWidth) / 2, 45, "OK", kCloseCmd, '\r');	// Close dialog - FIXME

		Common::String videoDriver("Using SDL driver ");
		SDL_VideoDriverName(tempo, sizeof(tempo));
		videoDriver += tempo;
		new StaticTextWidget(this, 0, 10, _w, kLineHeight, videoDriver, kTextAlignCenter);
		Common::String displayInfos("Display ");
		sprintf(tempo, "%dx%d (real %dx%d)", GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN), OSystem_WINCE3::getScreenWidth(), OSystem_WINCE3::getScreenHeight());
		displayInfos += tempo;
		new StaticTextWidget(this, 0, 20, _w, kLineHeight, displayInfos, kTextAlignCenter);
	}
};

class CEConflictDialog : public Dialog {
public:
	CEConflictDialog::CEConflictDialog(const Common::String &name)
	: Dialog(10, 60, 300, 77) {

		addButton(this,(_w - kButtonWidth) / 2, 45, "OK", kCloseCmd, '\r');	// Close dialog - FIXME

		Common::String conflict("Too many matches for directory ");
		conflict += name;
		new StaticTextWidget(this, 0, 10, _w, kLineHeight, conflict, kTextAlignCenter);
		new StaticTextWidget(this, 0, 20, _w, kLineHeight, "Please fix this :)", kTextAlignCenter);
	}
};


CELauncherDialog::CELauncherDialog() : GUI::LauncherDialog() {
}

void CELauncherDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
	LauncherDialog::handleCommand(sender, cmd, data);
	if (cmd == 'ABOU') {
		CEAboutDialog about;
		about.runModal();
	}
}

void CELauncherDialog::addCandidate(String &path, DetectedGameList &candidates) {
	int idx = -1;
	DetectedGame result;

	if (candidates.empty())
		return;

	if (candidates.size() == 1)
		idx = 0;
	else {
			char candidateName[100];
			unsigned int i;
			for (i=path.size() - 2; i && path[i] != '\\'; i--);
			strcpy(candidateName, &path[i + 1]);
			candidateName[strlen(candidateName) - 1] = '\0';
			for (i=0; i<candidates.size(); i++) {
				if (scumm_stricmp(candidateName, candidates[i].description) == 0) {
					idx = i;
					break;
				}
			}
			if (idx == -1) {
				CEConflictDialog conflict(candidateName);
				conflict.runModal();
			}
	}

	if (idx < 0)
		return;

	// FIXME : factor that
	result = candidates[idx];

	// The auto detector or the user made a choice.
	// Pick a domain name which does not yet exist (after all, we
	// are *adding* a game to the config, not replacing).
	String domain(result.description);
	if (ConfMan.hasGameDomain(domain)) {
		char suffix = 'a';
		domain += suffix;
		while (ConfMan.hasGameDomain(domain)) {
			assert(suffix < 'z');
			domain.deleteLastChar();
			suffix++;
			domain += suffix;
		}
		ConfMan.set("gameid", result.description, domain);
		ConfMan.set("description", result.description, domain);
	}
	ConfMan.set("path", path, domain);

	// Set language if specified
	if (result.language != Common::UNK_LANG)
		ConfMan.set("language", Common::getLanguageCode(result.language), domain);

	// Set platform if specified
	if (result.platform != Common::kPlatformUnknown)
		ConfMan.set("platform", Common::getPlatformCode(result.platform), domain);
}

void CELauncherDialog::automaticScanDirectory(const FilesystemNode &node) {
	// First check if we have a recognized game in the current directory
	FSList files;
	node.listDir(files, FilesystemNode::kListFilesOnly);
	DetectedGameList candidates(PluginManager::instance().detectGames(files));
	addCandidate(node.path(), candidates);
	// Then recurse on the subdirectories
	FSList dirs;
	node.listDir(dirs, FilesystemNode::kListDirectoriesOnly);
	for (FSList::const_iterator currentDir = dirs.begin(); currentDir != dirs.end(); ++currentDir)
		automaticScanDirectory(*currentDir);

}

void CELauncherDialog::addGame() {
	MessageDialog alert("Do you want to perform an automatic scan ?", "Yes", "No");
	if (alert.runModal() == kMessageOK && _browser->runModal() > 0) {
			// Clear existing domains
			ConfigManager::DomainMap &domains = (ConfigManager::DomainMap&)ConfMan.getGameDomains();
			domains.clear();
			ConfMan.flushToDisk();
			automaticScanDirectory(_browser->getResult());
			ConfMan.flushToDisk();
			updateListing();
			draw();
	}
	else
		GUILauncherDialog::addGame();
}