/* ScummVM Tools
 *
 * ScummVM Tools is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

/* List & description of all supported tools */

#include "wx/wxprec.h"

#ifdef __BORLANDC__
	#pragma hdrstop
#endif

#ifndef WX_PRECOMP
	#include "wx/wx.h"
#endif

#include <algorithm>

#include "../compress.h"
#include "gui_tools.h"

#include <wx/dir.h>
#include <wx/filename.h>

// Our global tools object, which holds all tools
ToolsGUI g_tools;

ToolsGUI::ToolsGUI() {
}

void ToolsGUI::init() {
	for (ToolList::iterator tool = _tools.begin(); tool != _tools.end(); ++tool)
		_toolmap[wxString((*tool)->getName().c_str(), wxConvUTF8)] = new ToolGUI(*tool);
}

ToolsGUI::~ToolsGUI() {
	for (std::map<wxString, ToolGUI *>::iterator iter = _toolmap.begin(); iter != _toolmap.end(); ++iter)
		delete iter->second;
}

wxArrayString ToolsGUI::getToolList(ToolType tt) const {
	wxArrayString l;
	for (std::map<wxString, ToolGUI *>::const_iterator iter = _toolmap.begin(); iter != _toolmap.end(); ++iter)
		if (tt == TOOLTYPE_ALL || iter->second->getType() == tt)
			l.Add(iter->first);
	l.Sort();
	std::unique(l.begin(), l.end());
	return l;
}

wxArrayString ToolsGUI::getToolList(const Common::Filename &filename, ToolType tt) const {
	ToolList choices = inspectInput(filename, tt, true);
	wxArrayString l;

	for (ToolList::const_iterator tool = choices.begin(); tool != choices.end(); ++tool)
		l.Add(wxString((*tool)->getName().c_str(), wxConvUTF8));

	l.Sort();
	std::unique(l.begin(), l.end());
	return l;
}

const ToolGUI &ToolsGUI::operator[](const wxString& name) const {
	std::map<wxString, ToolGUI *>::const_iterator iter = _toolmap.find(name);

	wxASSERT_MSG(iter != _toolmap.end(), wxT("All tools should be added, never try to access a tool that does not exist."));

	return *iter->second;
}

const ToolGUI *ToolsGUI::get(const wxString& name) const {
	std::map<wxString, ToolGUI *>::const_iterator iter = _toolmap.find(name);

	if (iter == _toolmap.end())
		return NULL;

	return iter->second;
}

// The Tool class

ToolGUI::ToolGUI(Tool *tool, ToolType type) {
	_backend = tool;
}

ToolGUI::~ToolGUI() {
	//The parent Tools client deletes the backends
	//delete _backend;
}

ToolInputs ToolGUI::getInputList() const {
	return _backend->_inputPaths;
}

wxString ToolGUI::getName() const {
	return wxString(_backend->getName().c_str(), wxConvUTF8);
}

wxString ToolGUI::getHelp() const {
	// Here we want the single line help from the tool, not the extended
	// help CompressionTool might for example give (and which would not
	// fit in the window).
	return wxString(_backend->Tool::getHelp().c_str(), wxConvUTF8);
}

wxString ToolGUI::getShortHelp() const {
	return wxString(_backend->getShortHelp().c_str(), wxConvUTF8);
}

ToolType ToolGUI::getType() const {
	return _backend->getType();
}

bool ToolGUI::supportsAudioFormat(AudioFormat format) const {
	// FIXME: This is a HACK!
	CompressionTool *compression = dynamic_cast<CompressionTool *>(_backend);
	return (compression->_supportedFormats & format) == format;
}

bool ToolGUI::supportsProgressBar() const {
	return _backend->_supportsProgressBar;
}

bool ToolGUI::outputToDirectory() const {
	return _backend->_outputToDirectory;
}

bool ToolGUI::supportsMultipleRuns() const {
	return _backend->_supportsMultipleRuns;
}

void ToolGUI::run(const Configuration &conf) const {
	CompressionTool *compression = dynamic_cast<CompressionTool *>(_backend);
	if (compression) {
		compression->_format               = conf.selectedAudioFormat;

		// mp3
		compression->setMp3LamePath       ( (const char *)conf.mp3LamePath.mb_str()        );
		compression->setMp3CompressionType( (const char *)conf.mp3CompressionType.mb_str() );
		compression->setMp3MpegQuality    ( (const char *)conf.mp3MpegQuality.mb_str()     );
		if (conf.mp3CompressionType == wxT("ABR")) {
			compression->setMp3TargetBitrate  ( (const char *)conf.mp3ABRBitrate.mb_str()      );
			compression->unsetMp3MinBitrate();
			compression->unsetMp3MaxBitrate();
		} else {
			compression->setMp3MinBitrate  ( (const char *)conf.mp3VBRMinBitrate.mb_str()   );
			compression->setMp3MaxBitrate  ( (const char *)conf.mp3VBRMaxBitrate.mb_str()   );
		}
		compression->setMp3VBRQuality     ( (const char *)conf.mp3VBRQuality.mb_str()      );

		// flac
		compression->setFlacCompressionLevel( (const char *)conf.flacCompressionLevel.mb_str() );
		compression->setFlacBlockSize       ( (const char *)conf.flacBlockSize.mb_str()        );

		// vorbis
		if (conf.useOggQuality)
			compression->setOggQuality    ( (const char *)conf.oggQuality.mb_str()    );
		else
			compression->setOggAvgBitrate ( (const char *)conf.oggAvgBitrate.mb_str() );
		if (conf.oggMinBitrate == wxT("None"))
			compression->unsetOggMinBitrate();
		else
			compression->setOggMinBitrate ( (const char *)conf.oggMinBitrate.mb_str() );
		if (conf.oggMaxBitrate == wxT("None"))
			compression->unsetOggMaxBitrate();
		else
			compression->setOggMaxBitrate ( (const char *)conf.oggMaxBitrate.mb_str() );
	}

	if (conf.multipleRuns && supportsMultipleRuns() && conf.inputFilePaths.size() == 1) {
		// Run on all the files with the same extension as the given input file
		wxFileName inputFile(conf.inputFilePaths[0]);
		wxArrayString fileList;
		if (wxDir::GetAllFiles(inputFile.GetPath(), &fileList, wxString::FromAscii("*.") + inputFile.GetExt(), wxDIR_FILES) == 0)
			_backend->error("No input file found!");
		for (wxArrayString::const_iterator iter = fileList.begin(); iter != fileList.end(); ++iter) {
			// Reset the output path for each run in case it is changed by the tool
			_backend->_outputPath = std::string(conf.outputPath.mb_str());

			// Set the input paths
			_backend->clearInputPaths();
			if (!_backend->addInputPath(std::string(iter->mb_str()))) {
				_backend->warning("Unexpected input file '%s'!", (const char*)iter->mb_str());
				continue;
			}

			_backend->run();
		}
	} else {
		// Set the output path
		_backend->_outputPath = std::string(conf.outputPath.mb_str());

		// Set the input paths
		_backend->clearInputPaths();
		if (conf.inputFilePaths.size() < _backend->_inputPaths.size())
			_backend->error("Too few input files!");
		for (wxArrayString::const_iterator iter = conf.inputFilePaths.begin(); iter != conf.inputFilePaths.end(); ++iter) {
			if (!_backend->addInputPath(std::string(iter->mb_str())))
				_backend->error("Unexpected input file '%s'!", (const char*)iter->mb_str());
		}
	
		_backend->run();
	}
}