#include "SettingsDialog.h"
#include "ui_SettingsDialog.h"
#include "Utils.h"

#include <QDir>

///////////////////////////////////////////////////////////////////////////////
SettingsDialog::SettingsDialog(QWidget *parent, Settings &_settings) :
	QDialog(parent, Qt::Sheet),
	ui(new Ui::SettingsDialog),
	settings(&_settings)
{
	ui->setupUi(this);

	CreateLangMap();

	ui->cmbDoubleClickAction->addItem(tr("Diff File"));
	ui->cmbDoubleClickAction->addItem(tr("Open File"));
	ui->cmbDoubleClickAction->addItem(tr("Open Containing Folder"));
	ui->cmbDoubleClickAction->addItem(tr("Custom Action %0").arg(1));

	ui->cmbFossilBrowser->addItem(tr("System"));
	ui->cmbFossilBrowser->addItem(tr("Internal"));

	// App Settings
	ui->lineFossilPath->setText(QDir::toNativeSeparators(settings->GetValue(FUEL_SETTING_FOSSIL_PATH).toString()));
	ui->cmbDoubleClickAction->setCurrentIndex(settings->GetValue(FUEL_SETTING_FILE_DBLCLICK).toInt());
	ui->cmbFossilBrowser->setCurrentIndex(settings->GetValue(FUEL_SETTING_WEB_BROWSER).toInt());

	// Initialize language combo
	foreach(const LangMap &m, langMap)
		ui->cmbActiveLanguage->addItem(m.name);

	QString lang = settings->GetValue(FUEL_SETTING_LANGUAGE).toString();
	// Select current language
	ui->cmbActiveLanguage->setCurrentIndex(
				ui->cmbActiveLanguage->findText(
					LangIdToName(lang)));


	lastActionIndex = 0;
	currentCustomActions = settings->GetCustomActions();

	ui->cmbCustomActionContext->addItem(tr("Files"));
	ui->cmbCustomActionContext->addItem(tr("Folders"));
	ui->cmbCustomActionContext->setCurrentIndex(0);

	GetCustomAction(0);

	for(int i=0; i<currentCustomActions.size(); ++i)
	{
		CustomAction &a = currentCustomActions[i];
		ui->cmbCustomAction->addItem(a.Id);
	}
	ui->cmbCustomAction->setCurrentIndex(0);
}

//-----------------------------------------------------------------------------
SettingsDialog::~SettingsDialog()
{
	delete ui;
}

//-----------------------------------------------------------------------------
bool SettingsDialog::run(QWidget *parent, Settings &settings)
{
	SettingsDialog dlg(parent, settings);
	return dlg.exec() == QDialog::Accepted;
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_buttonBox_accepted()
{
	settings->SetValue(FUEL_SETTING_FOSSIL_PATH, QDir::fromNativeSeparators(ui->lineFossilPath->text()));
	Q_ASSERT(ui->cmbDoubleClickAction->currentIndex()>=FILE_DLBCLICK_ACTION_DIFF && ui->cmbDoubleClickAction->currentIndex()<FILE_DLBCLICK_ACTION_MAX);
	settings->SetValue(FUEL_SETTING_FILE_DBLCLICK, ui->cmbDoubleClickAction->currentIndex());
	settings->SetValue(FUEL_SETTING_WEB_BROWSER, ui->cmbFossilBrowser->currentIndex());

	Q_ASSERT(settings->HasValue(FUEL_SETTING_LANGUAGE));
	QString curr_langid = settings->GetValue(FUEL_SETTING_LANGUAGE).toString();
	QString new_langid = LangNameToId(ui->cmbActiveLanguage->currentText());
	Q_ASSERT(!new_langid.isEmpty());
	settings->SetValue(FUEL_SETTING_LANGUAGE, new_langid);

	if(curr_langid != new_langid)
		QMessageBox::information(this, tr("Restart required"), tr("The language change will take effect after restarting the application"), QMessageBox::Ok);

	for(int i=0; i<currentCustomActions.size(); ++i)
	{
		CustomAction &a = currentCustomActions[i];
		a.Description = a.Description.trimmed();
		a.Command = QDir::fromNativeSeparators(a.Command.trimmed());
	}

	PutCustomAction(ui->cmbCustomAction->currentIndex());

	settings->GetCustomActions() = currentCustomActions;

	settings->ApplyEnvironment();
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_btnSelectFossil_clicked()
{
	QString path = SelectExe(this, tr("Select Fossil executable"));
	if(!path.isEmpty())
		ui->lineFossilPath->setText(QDir::toNativeSeparators(path));
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_btnClearMessageHistory_clicked()
{
	if(DialogQuery(this, tr("Clear Commit Message History"), tr("Are you sure you want to clear the commit message history?"))==QMessageBox::Yes)
		settings->SetValue(FUEL_SETTING_COMMIT_MSG, QStringList());
}

//-----------------------------------------------------------------------------
void SettingsDialog::CreateLangMap()
{
	langMap.append(LangMap("nl_NL", "Dutch (NL)"));
	langMap.append(LangMap("en_US", "English (US)"));
	langMap.append(LangMap("fr_FR", "French (FR)"));
	langMap.append(LangMap("de_DE", "German (DE)"));
	langMap.append(LangMap("el_GR", "Greek (GR)"));
	langMap.append(LangMap("it_IT", "Italian (IT)"));
	langMap.append(LangMap("ko_KR", "Korean (KO)"));
	langMap.append(LangMap("pt_PT", "Portuguese (PT)"));
	langMap.append(LangMap("ru_RU", "Russian (RU)"));
	langMap.append(LangMap("es_ES", "Spanish (ES)"));
}

//-----------------------------------------------------------------------------
QString SettingsDialog::LangIdToName(const QString &id)
{
	foreach(const LangMap &m, langMap)
	{
		if(m.id == id)
			return m.name;
	}

	return "";
}

//-----------------------------------------------------------------------------
QString SettingsDialog::LangNameToId(const QString &name)
{
	foreach(const LangMap &m, langMap)
	{
		if(m.name == name)
			return m.id;
	}

	return "";
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_btnSelectCustomFileActionCommand_clicked()
{
	QString path = SelectExe(this, tr("Select command"));
	if(!path.isEmpty())
		ui->lineCustomActionCommand->setText(QDir::toNativeSeparators(path));
}

//-----------------------------------------------------------------------------
void SettingsDialog::GetCustomAction(int index)
{
	Q_ASSERT(index>=0 && index < currentCustomActions.size());
	CustomAction &action = currentCustomActions[index];
	ui->lineCustomActionDescription->setText(action.Description);
	ui->lineCustomActionCommand->setText(action.Command);
	ui->cmbCustomActionContext->setCurrentIndex(action.Context-1);
	ui->chkCustomActionMultipleSelection->setChecked(action.MultipleSelection);
}

//-----------------------------------------------------------------------------
void SettingsDialog::PutCustomAction(int index)
{
	Q_ASSERT(index>=0 && index < currentCustomActions.size());
	CustomAction &action = currentCustomActions[index];
	action.Description = ui->lineCustomActionDescription->text().trimmed();
	action.Command = QDir::fromNativeSeparators(ui->lineCustomActionCommand->text().trimmed());
	action.Context = static_cast<CustomActionContext>(ui->cmbCustomActionContext->currentIndex()+1);
	action.MultipleSelection = ui->chkCustomActionMultipleSelection->isChecked();
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_cmbCustomAction_currentIndexChanged(int index)
{
	if(index != lastActionIndex)
		PutCustomAction(lastActionIndex);

	GetCustomAction(index);
	lastActionIndex = index;
}

//-----------------------------------------------------------------------------
void SettingsDialog::on_cmbCustomActionContext_currentIndexChanged(int index)
{
	int action_index = ui->cmbCustomAction->currentIndex();
	if(action_index<0)
		return;
	Q_ASSERT(action_index>=0 && action_index < currentCustomActions.size());
	currentCustomActions[action_index].Context = static_cast<CustomActionContext>(index+1);
}