/* -*- c++ -*- */
/***************************************************************************
 *            viewer.cc
 *
 *  Sun Apr 24 09:04:57 CEST 2022
 *  Copyright 2022 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Qookie.
 *
 *  Qookie 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.
 *
 *  Qookie 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 Qookie; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "viewer.h"

#include <iostream>

#include <QtWidgets/QTextEdit>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QVBoxLayout>

#include "recipe.h"
#include "client.h"

Viewer::Viewer()
{
	setLayout(new QVBoxLayout());

	lineEdit = new QLineEdit();
	lineEdit->setVisible(false);
	layout()->addWidget(lineEdit);

	textEdit = new QTextEdit();
	textEdit->setReadOnly(true);
	textEdit->setVisible(false);
	layout()->addWidget(textEdit);
}

void Viewer::show(const Recipe& recipe)
{
	textEdit->setReadOnly(true);
	textEdit->setVisible(true);
	lineEdit->setVisible(false);

	title = QString::fromUtf8(recipe.title.data());
	auto instructions = QString::fromUtf8(recipe.instructions.data());
	instructions.replace("\n", "<br/>");

	QString ingredients;
	for(const auto& ingredient_group : recipe.ingredient_groups)
	{
		if(ingredient_group.title != "")
		{
			ingredients += "<h3>" + QString::fromUtf8(ingredient_group.title.data()) + "</h3>";
		}
		ingredients += "<ul>";
		for(const auto& ingredient : ingredient_group.ingredients)
		{
			if(ingredient.amount > 0)
			{
				ingredients +=
					"<li>" +
					QString::number(ingredient.amount) + " " +
					QString::fromUtf8(ingredient.unit.data()) + " " +
					QString::fromUtf8(ingredient.item.data()) +
					"</li>";
			}
			else
			{
				ingredients +=
					"<li>" +
					QString::fromUtf8(ingredient.item.data()) +
					"</li>";
			}
		}
		ingredients += "</ul>";
	}

	QByteArray image(recipe.image.data(), recipe.image.size());
	if(recipe.image.substr(0, 4) == "/9j/") // Image is base64 encoded
	{
		image = QByteArray::fromBase64(image);
	}

	QString db;
	switch(recipe.db)
	{
	case DatabaseSource::KRecipes:
		db = "KRecipes";
		break;
	case DatabaseSource::Gourmet:
		db = "Gourmet";
		break;
	case DatabaseSource::Qookie:
		db = "Qookie";
		break;
	}

	html =
		"<center><strong style=\"font-size:28px;\">" + QString::fromUtf8(recipe.title.data()) + "</strong></center><br/>"
		"<table>"
		"<tr>"
		"<td>"
		"<p>" + QString::fromUtf8(recipe.description.data()) + "</p>"
		"<p>"
		"Database: " + db + " (id:" + QString::number(recipe.id) + ")<br/>"
		"Source: " + QString::fromUtf8(recipe.source.data()) + "<br/>"
		"Cuisine: " + QString::fromUtf8(recipe.cuisine.data()) + "<br/>"
		"Cooktime: " + QString::number(recipe.cooktime / 60) + "min<br/>"
		"Preptime: " + QString::number(recipe.preptime / 60) + "min<br/>"
		"Yields: " + QString::number(recipe.yields) + " " + QString::fromUtf8(recipe.yield_unit.data()) + "<br/>"
		"Tags: " + QString::fromUtf8(recipe.tags[0].data()) + ""
		"</p>"
		"<h2>Ingredienser</h2>" + ingredients +
		"</td>"
		"<td>"
		"<img height=\"300\" src=\"data:image/png;base64," + image.toBase64() + "\"/>"
		"</td>"
		"</tr>"
		"</table>"
		"<h2>Instruktioner</h2>"
		"<p>" + instructions + "</p>"
		;
	textEdit->setHtml(html);
}

void Viewer::scratchPad()
{
	textEdit->setReadOnly(false);
	textEdit->setVisible(true);
	textEdit->setHtml("");

	lineEdit->setVisible(true);
	lineEdit->setText("");
}

const QString& Viewer::getTitle()
{
	if(lineEdit->isVisible())
	{
		title = lineEdit->text();
	}

	return title;
}

const QString& Viewer::getHtml()
{
	html = textEdit->toHtml();
	return html;
}