/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop 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.

It 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.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "lang.h"

#include "localstorage.h"

#include "connectionbox.h"
#include "mainwidget.h"
#include "mainwindow.h"

ConnectionBox::ConnectionBox() : AbstractBox(st::boxWidth)
, _hostInput(this, st::connectionHostInputField, lang(lng_connection_host_ph), cConnectionProxy().host)
, _portInput(this, st::connectionPortInputField, lang(lng_connection_port_ph), QString::number(cConnectionProxy().port))
, _userInput(this, st::connectionUserInputField, lang(lng_connection_user_ph), cConnectionProxy().user)
, _passwordInput(this, st::connectionPasswordInputField, lang(lng_connection_password_ph), cConnectionProxy().password)
, _autoRadio(this, qsl("conn_type"), dbictAuto, lang(lng_connection_auto_rb), (cConnectionType() == dbictAuto))
, _httpProxyRadio(this, qsl("conn_type"), dbictHttpProxy, lang(lng_connection_http_proxy_rb), (cConnectionType() == dbictHttpProxy))
, _tcpProxyRadio(this, qsl("conn_type"), dbictTcpProxy, lang(lng_connection_tcp_proxy_rb), (cConnectionType() == dbictTcpProxy))
, _tryIPv6(this, lang(lng_connection_try_ipv6), cTryIPv6(), st::defaultBoxCheckbox)
, _save(this, lang(lng_connection_save), st::defaultBoxButton)
, _cancel(this, lang(lng_cancel), st::cancelBoxButton) {

	connect(&_save, SIGNAL(clicked()), this, SLOT(onSave()));
	connect(&_cancel, SIGNAL(clicked()), this, SLOT(onClose()));

	connect(&_autoRadio, SIGNAL(changed()), this, SLOT(onChange()));
	connect(&_httpProxyRadio, SIGNAL(changed()), this, SLOT(onChange()));
	connect(&_tcpProxyRadio, SIGNAL(changed()), this, SLOT(onChange()));

	connect(&_hostInput, SIGNAL(submitted(bool)), this, SLOT(onSubmit()));
	connect(&_portInput, SIGNAL(submitted(bool)), this, SLOT(onSubmit()));
	connect(&_userInput, SIGNAL(submitted(bool)), this, SLOT(onSubmit()));
	connect(&_passwordInput, SIGNAL(submitted(bool)), this, SLOT(onSubmit()));

	prepare();
}

void ConnectionBox::hideAll() {
	_autoRadio.hide();
	_httpProxyRadio.hide();
	_tcpProxyRadio.hide();
	_tryIPv6.hide();

	_hostInput.hide();
	_portInput.hide();
	_userInput.hide();
	_passwordInput.hide();

	_save.hide();
	_cancel.hide();
}

void ConnectionBox::showAll() {
	_autoRadio.show();
	_httpProxyRadio.show();
	_tcpProxyRadio.show();
	_tryIPv6.show();

	int32 h = st::boxTitleHeight + st::boxOptionListPadding.top() + _autoRadio.height() + st::boxOptionListPadding.top() + _httpProxyRadio.height() + st::boxOptionListPadding.top() + _tcpProxyRadio.height() + st::boxOptionListPadding.top() + st::connectionIPv6Skip + _tryIPv6.height() + st::boxOptionListPadding.bottom() + st::boxPadding.bottom() + st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom();
	if (_httpProxyRadio.checked() || _tcpProxyRadio.checked()) {
		h += 2 * st::boxOptionListPadding.top() + 2 * _hostInput.height();
		_hostInput.show();
		_portInput.show();
		_userInput.show();
		_passwordInput.show();
	} else {
		_hostInput.hide();
		_portInput.hide();
		_userInput.hide();
		_passwordInput.hide();
	}

	_save.show();
	_cancel.show();

	setMaxHeight(h);
	resizeEvent(0);
}

void ConnectionBox::showDone() {
	if (!_hostInput.isHidden()) {
		_hostInput.setFocus();
	}
}

void ConnectionBox::paintEvent(QPaintEvent *e) {
	Painter p(this);
	if (paint(p)) return;

	paintTitle(p, lang(lng_connection_header));
}

void ConnectionBox::resizeEvent(QResizeEvent *e) {
	_autoRadio.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), st::boxTitleHeight + st::boxOptionListPadding.top());
	_httpProxyRadio.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _autoRadio.y() + _autoRadio.height() + st::boxOptionListPadding.top());

	int32 inputy = 0;
	if (_httpProxyRadio.checked()) {
		inputy = _httpProxyRadio.y() + _httpProxyRadio.height() + st::boxOptionListPadding.top();
		_tcpProxyRadio.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), inputy + st::boxOptionListPadding.top() + 2 * _hostInput.height() + st::boxOptionListPadding.top());
	} else {
		_tcpProxyRadio.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _httpProxyRadio.y() + _httpProxyRadio.height() + st::boxOptionListPadding.top());
		if (_tcpProxyRadio.checked()) {
			inputy = _tcpProxyRadio.y() + _tcpProxyRadio.height() + st::boxOptionListPadding.top();
		}
	}

	if (inputy) {
		_hostInput.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left() + st::defaultRadiobutton.textPosition.x() - st::defaultInputField.textMargins.left(), inputy);
		_portInput.moveToRight(st::boxPadding.right(), inputy);
		_userInput.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left() + st::defaultRadiobutton.textPosition.x() - st::defaultInputField.textMargins.left(), _hostInput.y() + _hostInput.height() + st::boxOptionListPadding.top());
		_passwordInput.moveToRight(st::boxPadding.right(), _userInput.y());
	}

	int32 tryipv6y = (_tcpProxyRadio.checked() ? (_userInput.y() + _userInput.height()) : (_tcpProxyRadio.y() + _tcpProxyRadio.height())) + st::boxOptionListPadding.top() + st::connectionIPv6Skip;
	_tryIPv6.moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), tryipv6y);

	_save.moveToRight(st::boxButtonPadding.right(), height() - st::boxButtonPadding.bottom() - _save.height());
	_cancel.moveToRight(st::boxButtonPadding.right() + _save.width() + st::boxButtonPadding.left(), _save.y());
}

void ConnectionBox::onChange() {
	showAll();
	if (_httpProxyRadio.checked() || _tcpProxyRadio.checked()) {
		_hostInput.setFocus();
		if (_httpProxyRadio.checked() && !_portInput.getLastText().toInt()) {
			_portInput.setText(qsl("80"));
			_portInput.updatePlaceholder();
		}
	}
	update();
}

void ConnectionBox::onSubmit() {
	if (_hostInput.hasFocus()) {
		if (!_hostInput.getLastText().trimmed().isEmpty()) {
			_portInput.setFocus();
		} else {
			_hostInput.showError();
		}
	} else if (_portInput.hasFocus()) {
		if (_portInput.getLastText().trimmed().toInt() > 0) {
			_userInput.setFocus();
		} else {
			_portInput.showError();
		}
	} else if (_userInput.hasFocus()) {
		_passwordInput.setFocus();
	} else if (_passwordInput.hasFocus()) {
		if (_hostInput.getLastText().trimmed().isEmpty()) {
			_hostInput.setFocus();
			_hostInput.showError();
		} else if (_portInput.getLastText().trimmed().toInt() <= 0) {
			_portInput.setFocus();
			_portInput.showError();
		} else {
			onSave();
		}
	}
}

void ConnectionBox::onSave() {
	if (_httpProxyRadio.checked() || _tcpProxyRadio.checked()) {
		ConnectionProxy p;
		p.host = _hostInput.getLastText().trimmed();
		p.user = _userInput.getLastText().trimmed();
		p.password = _passwordInput.getLastText().trimmed();
		p.port = _portInput.getLastText().toInt();
		if (p.host.isEmpty()) {
			_hostInput.setFocus();
			return;
		} else if (!p.port) {
			_portInput.setFocus();
			return;
		}
		if (_httpProxyRadio.checked()) {
			cSetConnectionType(dbictHttpProxy);
		} else {
			cSetConnectionType(dbictTcpProxy);
		}
		cSetConnectionProxy(p);
	} else {
		cSetConnectionType(dbictAuto);
		cSetConnectionProxy(ConnectionProxy());
#ifndef TDESKTOP_DISABLE_NETWORK_PROXY
		QNetworkProxyFactory::setUseSystemConfiguration(false);
		QNetworkProxyFactory::setUseSystemConfiguration(true);
#endif
	}
	if (cPlatform() == dbipWindows && cTryIPv6() != _tryIPv6.checked()) {
		cSetTryIPv6(_tryIPv6.checked());
		Local::writeSettings();
		cSetRestarting(true);
		cSetRestartingToSettings(true);
		App::quit();
	} else {
		cSetTryIPv6(_tryIPv6.checked());
		Local::writeSettings();
		MTP::restart();
		reinitImageLinkManager();
		reinitWebLoadManager();
		emit closed();
	}
}

AutoDownloadBox::AutoDownloadBox() : AbstractBox(st::boxWidth)
, _photoPrivate(this, lang(lng_media_auto_private_chats), !(cAutoDownloadPhoto() & dbiadNoPrivate), st::defaultBoxCheckbox)
, _photoGroups(this,  lang(lng_media_auto_groups), !(cAutoDownloadPhoto() & dbiadNoGroups), st::defaultBoxCheckbox)
, _audioPrivate(this, lang(lng_media_auto_private_chats), !(cAutoDownloadAudio() & dbiadNoPrivate), st::defaultBoxCheckbox)
, _audioGroups(this, lang(lng_media_auto_groups), !(cAutoDownloadAudio() & dbiadNoGroups), st::defaultBoxCheckbox)
, _gifPrivate(this, lang(lng_media_auto_private_chats), !(cAutoDownloadGif() & dbiadNoPrivate), st::defaultBoxCheckbox)
, _gifGroups(this, lang(lng_media_auto_groups), !(cAutoDownloadGif() & dbiadNoGroups), st::defaultBoxCheckbox)
, _gifPlay(this, lang(lng_media_auto_play), cAutoPlayGif(), st::defaultBoxCheckbox)
, _sectionHeight(st::boxTitleHeight + 2 * (st::defaultBoxCheckbox.height + st::setLittleSkip))
, _save(this, lang(lng_connection_save), st::defaultBoxButton)
, _cancel(this, lang(lng_cancel), st::cancelBoxButton) {

	setMaxHeight(3 * _sectionHeight + st::setLittleSkip + _gifPlay.height() + st::setLittleSkip + st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom());

	connect(&_save, SIGNAL(clicked()), this, SLOT(onSave()));
	connect(&_cancel, SIGNAL(clicked()), this, SLOT(onClose()));

	prepare();
}

void AutoDownloadBox::hideAll() {
	_photoPrivate.hide();
	_photoGroups.hide();
	_audioPrivate.hide();
	_audioGroups.hide();
	_gifPrivate.hide();
	_gifGroups.hide();
	_gifPlay.hide();

	_save.hide();
	_cancel.hide();
}

void AutoDownloadBox::showAll() {
	_photoPrivate.show();
	_photoGroups.show();
	_audioPrivate.show();
	_audioGroups.show();
	_gifPrivate.show();
	_gifGroups.show();
	_gifPlay.show();

	_save.show();
	_cancel.show();
}

void AutoDownloadBox::paintEvent(QPaintEvent *e) {
	Painter p(this);
	if (paint(p)) return;

	p.setPen(st::black);
	p.setFont(st::semiboldFont);
	p.drawTextLeft(st::boxTitlePosition.x(), st::boxTitlePosition.y(), width(), lang(lng_media_auto_photo));
	p.drawTextLeft(st::boxTitlePosition.x(), _sectionHeight + st::boxTitlePosition.y(), width(), lang(lng_media_auto_audio));
	p.drawTextLeft(st::boxTitlePosition.x(), 2 * _sectionHeight + st::boxTitlePosition.y(), width(), lang(lng_media_auto_gif));
}

void AutoDownloadBox::resizeEvent(QResizeEvent *e) {
	_photoPrivate.moveToLeft(st::boxTitlePosition.x(), st::boxTitleHeight + st::setLittleSkip);
	_photoGroups.moveToLeft(st::boxTitlePosition.x(), _photoPrivate.y() + _photoPrivate.height() + st::setLittleSkip);

	_audioPrivate.moveToLeft(st::boxTitlePosition.x(), _sectionHeight + st::boxTitleHeight + st::setLittleSkip);
	_audioGroups.moveToLeft(st::boxTitlePosition.x(), _audioPrivate.y() + _audioPrivate.height() + st::setLittleSkip);

	_gifPrivate.moveToLeft(st::boxTitlePosition.x(), 2 * _sectionHeight + st::boxTitleHeight + st::setLittleSkip);
	_gifGroups.moveToLeft(st::boxTitlePosition.x(), _gifPrivate.y() + _gifPrivate.height() + st::setLittleSkip);
	_gifPlay.moveToLeft(st::boxTitlePosition.x(), _gifGroups.y() + _gifGroups.height() + st::setLittleSkip);

	_save.moveToRight(st::boxButtonPadding.right(), height() - st::boxButtonPadding.bottom() - _save.height());
	_cancel.moveToRight(st::boxButtonPadding.right() + _save.width() + st::boxButtonPadding.left(), _save.y());
}

void AutoDownloadBox::onSave() {
	bool changed = false;
	int32 autoDownloadPhoto = (_photoPrivate.checked() ? 0 : dbiadNoPrivate) | (_photoGroups.checked() ? 0 : dbiadNoGroups);
	if (cAutoDownloadPhoto() != autoDownloadPhoto) {
		bool enabledPrivate = ((cAutoDownloadPhoto() & dbiadNoPrivate) && !(autoDownloadPhoto & dbiadNoPrivate));
		bool enabledGroups = ((cAutoDownloadPhoto() & dbiadNoGroups) && !(autoDownloadPhoto & dbiadNoGroups));
		cSetAutoDownloadPhoto(autoDownloadPhoto);
		if (enabledPrivate || enabledGroups) {
			const PhotosData &data(App::photosData());
			for (PhotosData::const_iterator i = data.cbegin(), e = data.cend(); i != e; ++i) {
				i.value()->automaticLoadSettingsChanged();
			}
		}
		changed = true;
	}
	int32 autoDownloadAudio = (_audioPrivate.checked() ? 0 : dbiadNoPrivate) | (_audioGroups.checked() ? 0 : dbiadNoGroups);
	if (cAutoDownloadAudio() != autoDownloadAudio) {
		bool enabledPrivate = ((cAutoDownloadAudio() & dbiadNoPrivate) && !(autoDownloadAudio & dbiadNoPrivate));
		bool enabledGroups = ((cAutoDownloadAudio() & dbiadNoGroups) && !(autoDownloadAudio & dbiadNoGroups));
		cSetAutoDownloadAudio(autoDownloadAudio);
		if (enabledPrivate || enabledGroups) {
			const DocumentsData &data(App::documentsData());
			for (DocumentsData::const_iterator i = data.cbegin(), e = data.cend(); i != e; ++i) {
				if (i.value()->voice()) {
					i.value()->automaticLoadSettingsChanged();
				}
			}
		}
		changed = true;
	}
	int32 autoDownloadGif = (_gifPrivate.checked() ? 0 : dbiadNoPrivate) | (_gifGroups.checked() ? 0 : dbiadNoGroups);
	if (cAutoDownloadGif() != autoDownloadGif) {
		bool enabledPrivate = ((cAutoDownloadGif() & dbiadNoPrivate) && !(autoDownloadGif & dbiadNoPrivate));
		bool enabledGroups = ((cAutoDownloadGif() & dbiadNoGroups) && !(autoDownloadGif & dbiadNoGroups));
		cSetAutoDownloadGif(autoDownloadGif);
		if (enabledPrivate || enabledGroups) {
			const DocumentsData &data(App::documentsData());
			for (DocumentsData::const_iterator i = data.cbegin(), e = data.cend(); i != e; ++i) {
				if (i.value()->isAnimation()) {
					i.value()->automaticLoadSettingsChanged();
				}
			}
		}
		changed = true;
	}
	if (cAutoPlayGif() != _gifPlay.checked()) {
		cSetAutoPlayGif(_gifPlay.checked());
		if (!cAutoPlayGif()) {
			App::stopGifItems();
		}
		changed = true;
	}
	if (changed) Local::writeUserSettings();
	onClose();
}