/*
    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>

    This file is part of DCP-o-matic.

    DCP-o-matic 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.

    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/


#include "check_box.h"
#include "dcpomatic_button.h"
#include "job_view.h"
#include "message_dialog.h"
#include "static_text.h"
#include "wx_util.h"
#include "wx_variant.h"
#include "lib/analyse_audio_job.h"
#include "lib/config.h"
#include "lib/job.h"
#include "lib/job_manager.h"
#include "lib/send_notification_email_job.h"
#include "lib/transcode_job.h"
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <wx/wx.h>
LIBDCP_ENABLE_WARNINGS
#include <boost/algorithm/string.hpp>


using std::make_shared;
using std::min;
using std::shared_ptr;
using std::string;
using boost::bind;


JobView::JobView(shared_ptr<Job> job, wxWindow* parent, wxWindow* container, wxFlexGridSizer* table)
	: _job(job)
	, _table(table)
	, _parent(parent)
	, _container(container)
{

}


void
JobView::setup()
{
	int n = insert_position();

	_gauge_message = new wxBoxSizer(wxVERTICAL);
	_gauge = new wxGauge(_container, wxID_ANY, 100);
	/* This seems to be required to allow the gauge to shrink under OS X */
	_gauge->SetMinSize(wxSize(0, -1));
	_gauge_message->Add(_gauge, 0, wxEXPAND | wxLEFT | wxRIGHT);
	_message = new StaticText(_container, char_to_wx(" \n "), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_MIDDLE);
	_gauge_message->Add(_message, 1, wxEXPAND | wxALL, 6);
	_table->Insert(n, _gauge_message, 1, wxEXPAND | wxLEFT | wxRIGHT);
	++n;

	_buttons = new wxBoxSizer(wxHORIZONTAL);

	_cancel = new Button(_container, _("Cancel"));
	_cancel->Bind(wxEVT_BUTTON, &JobView::cancel_clicked, this);
	_buttons->Add(_cancel, 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_BUTTON_STACK_GAP);

	_details = new Button(_container, _("Details..."));
	_details->Bind(wxEVT_BUTTON, &JobView::details_clicked, this);
	_details->Enable(false);
	_buttons->Add(_details, 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_BUTTON_STACK_GAP);

	finish_setup(_container, _buttons);

	_controls = new wxBoxSizer(wxVERTICAL);
	_controls->Add(_buttons);
	_notify = new CheckBox(_container, _("Notify when complete"));
	_notify->bind(&JobView::notify_clicked, this);
	_notify->SetValue(Config::instance()->default_notify());
	_controls->Add(_notify, 0, wxTOP, DCPOMATIC_BUTTON_STACK_GAP);

	_table->Insert(n, _controls, 1, wxALIGN_CENTER_VERTICAL | wxALL, 3);

	_progress_connection = _job->Progress.connect(boost::bind(&JobView::progress, this));
	_finished_connection = _job->Finished.connect(boost::bind(&JobView::finished, this));

	progress();

	_table->Layout();
}


void
JobView::maybe_pulse()
{
	if (_gauge && _job->running()) {
		auto elapsed = _job->seconds_since_last_progress_update();
		if (!_job->progress() || !elapsed || *elapsed > 4) {
			_gauge->Pulse();
		}
	}
}


void
JobView::progress()
{
	string whole = "<b>" + _job->name() + "</b>\n";
	if (!_job->sub_name().empty()) {
		whole += _job->sub_name() + " ";
	}
	auto s = _job->status();
	/* Watch out for < > in the error string */
	boost::algorithm::replace_all(s, "<", "&lt;");
	boost::algorithm::replace_all(s, ">", "&gt;");
#ifdef DCPOMATIC_LINUX
	boost::algorithm::replace_all(s, "_", "__");
#endif
	whole += s;
	if (whole != _last_message) {
		_message->SetLabelMarkup(std_to_wx(whole));
		/* This hack fixes the size of _message on OS X */
		_message->InvalidateBestSize();
		_message->SetSize(_message->GetBestSize());
		_gauge_message->Layout();
		_last_message = whole;
	}
	if (_job->progress()) {
		_gauge->SetValue(min(100.0f, _job->progress().get() * 100));
	}
}


void
JobView::finished()
{
	progress();

	if (!_job->finished_cancelled()) {
		_gauge->SetValue(100);
	}

	_cancel->Enable(false);
	_notify->Enable(false);
	if (!_job->error_details().empty()) {
		_details->Enable(true);
	}

	if (_job->message()) {
		MessageDialog dialog(_parent, std_to_wx(_job->name()), std_to_wx(_job->message().get()));
		dialog.ShowModal();
	}

	if (_job->enable_notify() && _notify->GetValue()) {
		if (Config::instance()->notification(Config::MESSAGE_BOX)) {
			wxMessageBox(std_to_wx(_job->name() + ": " + _job->status()), variant::wx::dcpomatic(), wxICON_INFORMATION);
		}
		if (Config::instance()->notification(Config::EMAIL)) {
			string body = Config::instance()->notification_email();
			boost::algorithm::replace_all(body, "$JOB_NAME", _job->name());
			boost::algorithm::replace_all(body, "$JOB_STATUS", _job->status());
			JobManager::instance()->add_after(_job, make_shared<SendNotificationEmailJob>(body));
		}
	}
}


void
JobView::details_clicked(wxCommandEvent &)
{
	auto s = _job->error_summary();
	s[0] = toupper(s[0]);
	error_dialog(_parent, std_to_wx(s), std_to_wx(_job->error_details()));
}


void
JobView::cancel_clicked(wxCommandEvent &)
{
	if (confirm_dialog(_parent, _("Are you sure you want to cancel this job?"))) {
		_job->cancel();
	}
}


void
JobView::insert(int pos)
{
	_table->Insert(pos, _gauge_message, 1, wxEXPAND | wxLEFT | wxRIGHT);
	_table->Insert(pos + 1, _controls, 1, wxALIGN_CENTER_VERTICAL | wxALL, 3);
	_table->Layout();
}


void
JobView::detach()
{
	_table->Detach(_gauge_message);
	_table->Detach(_controls);
}


void
JobView::notify_clicked()
{
	Config::instance()->set_default_notify(_notify->GetValue());
}