/* LibraryItem.cpp */

/* Copyright (C) 2011-2024 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * 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/>.
 */

#include "Utils/MetaData/LibraryItem.h"
#include "Utils/Utils.h"
#include "Utils/Algorithm.h"

#include <QString>

#include <utility>

namespace
{
	UniqueId static_unique_id = 1;
}

struct CustomField::Private
{
	QString displayName;
	QString value;
	QString id;

	Private(const QString& id, const QString& display_name, const QString& value) :
		displayName(display_name),
		value(value),
		id(id) {}

	~Private() = default;
	Private(const Private& other) = default;
	Private(Private&& other) noexcept = default;
	Private& operator=(const Private& other) = default;
	Private& operator=(Private&& other) noexcept = default;
};

CustomField::CustomField(const QString& id, const QString& displayName, const QString& value) :
	m {Pimpl::make<Private>(id, displayName, value)} {}

CustomField::CustomField(const CustomField& other) :
	m {Pimpl::make<Private>(*other.m)} {}

CustomField::CustomField(CustomField&& other) noexcept :
	m {Pimpl::make<Private>(std::move(*other.m))} {}

CustomField& CustomField::operator=(const CustomField& other)
{
	*m = *other.m;
	return *this;
}

CustomField& CustomField::operator=(CustomField&& other) noexcept
{
	*m = std::move(*other.m);
	return *this;
}

CustomField::~CustomField() = default;

QString CustomField::id() const { return m->id; }

QString CustomField::displayName() const { return m->displayName; }

QString CustomField::value() const { return m->value; }

struct LibraryItem::Private
{
	CustomFieldList additionalData;
	QStringList coverDownloadUrls;
	UniqueId uniqueId {++static_unique_id};
};

LibraryItem::LibraryItem() :
	m {Pimpl::make<Private>()} {}

LibraryItem::LibraryItem(const LibraryItem& other) :
	m {Pimpl::make<Private>(*other.m)}
{
	m->uniqueId = ++static_unique_id;
}

LibraryItem::LibraryItem(LibraryItem&& other) noexcept :
	m {Pimpl::make<Private>(std::move(*other.m))} {}

LibraryItem& LibraryItem::operator=(const LibraryItem& other)
{
	*m = *other.m;
	m->uniqueId = ++static_unique_id;

	return *this;
}

LibraryItem& LibraryItem::operator=(LibraryItem&& other) noexcept
{
	*m = std::move(*other.m);
	return *this;
}

LibraryItem::~LibraryItem() = default;

void LibraryItem::addCustomField(const CustomField& field)
{
	m->additionalData.push_back(field);
}

void LibraryItem::addCustomField(const QString& id, const QString& display_name, const QString& value)
{
	m->additionalData.push_back(CustomField(id, display_name, value));
}

void LibraryItem::replaceCustomField(const QString& id, const QString& displayName, const QString& value)
{
	for(int i = m->additionalData.size() - 1; i >= 0; i--)
	{
		const auto field = m->additionalData.at(i);
		if(field.id() == id)
		{
			m->additionalData.removeAt(i);
		}
	}

	this->addCustomField(id, displayName, value);
}

const CustomFieldList& LibraryItem::customFields() const { return m->additionalData; }

QString LibraryItem::customField(const QString& id) const
{
	const auto it = Util::Algorithm::find(m->additionalData, [&id](const auto& field) {
		return field.id().toLower() == id.toLower();
	});

	return (it != m->additionalData.end())
	       ? it->value()
	       : QString {};
}

QString LibraryItem::customField(const int idx) const
{
	return (idx >= 0 && idx < static_cast<int>(m->additionalData.size()))
	       ? m->additionalData[idx].value()
	       : QString {};
}

QStringList LibraryItem::coverDownloadUrls() const { return m->coverDownloadUrls; }

void LibraryItem::setCoverDownloadUrls(const QStringList& url) { m->coverDownloadUrls = url; }

UniqueId LibraryItem::uniqueId() const { return m->uniqueId; }

QHash<HashValue, QString>& LibraryItem::albumPool()
{
	static QHash<HashValue, QString> pool;
	return pool;
}

QHash<HashValue, QString>& LibraryItem::artistPool()
{
	static QHash<HashValue, QString> pool;
	return pool;
}
