/* === This file is part of Calamares - <https://github.com/calamares> ===
 *
 *   Copyright 2019-2020, Adriaan de Groot <groot@kde.org>
 *
 *   Calamares 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.
 *
 *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef WELCOME_CONFIG_H
#define WELCOME_CONFIG_H

#include <QObject>
#include <QUrl>
#include "modulesystem/Requirement.h"

#include "locale/LabelModel.h"

class RequirementsModel : public QAbstractListModel
{
    Q_OBJECT
    using QAbstractListModel::QAbstractListModel;
    Q_PROPERTY(bool satisfiedRequirements READ satisfiedRequirements NOTIFY satisfiedRequirementsChanged FINAL)

    Q_PROPERTY(bool satisfiedMandatory READ satisfiedMandatory NOTIFY satisfiedMandatoryChanged FINAL)

public:
    enum Roles : short
    {
        Name,
        Satisfied,
        Mandatory,
        Details,
        NegatedText,
        HasDetails
    };

    bool satisfiedRequirements() const
    {
        return m_satisfiedRequirements;
    }

    bool satisfiedMandatory() const
    {
        return m_satisfiedMandatory;
    }

    const Calamares::RequirementEntry& getEntry(const int& index) const
    {

        if(index > count() ||  index < 0)
            return *(new Calamares::RequirementEntry());

        return m_requierements.at(index);

    }

    void setRequirementsList( const Calamares::RequirementsList& requirements );
    int rowCount(const QModelIndex&) const override;
    int count() const
    {
        return m_requierements.count();
    }

    QVariant data(const QModelIndex& index, int role) const override;

protected:
    QHash<int, QByteArray> roleNames() const override;

private:
    Calamares::RequirementsList m_requierements;
    bool m_satisfiedRequirements = false;
    bool m_satisfiedMandatory = false;

signals:
    void satisfiedRequirementsChanged(bool value);
    void satisfiedMandatoryChanged();
};


class Config : public QObject
{
    Q_OBJECT
    Q_PROPERTY( CalamaresUtils::Locale::LabelModel* languagesModel READ languagesModel CONSTANT FINAL)
    Q_PROPERTY( RequirementsModel* requirementsModel MEMBER m_requirementsModel CONSTANT FINAL )

    Q_PROPERTY( QString languageIcon READ languageIcon CONSTANT FINAL )

    Q_PROPERTY( QString countryCode MEMBER m_countryCode NOTIFY countryCodeChanged FINAL )
    Q_PROPERTY (int localeIndex READ localeIndex WRITE setLocaleIndex NOTIFY localeIndexChanged)

    Q_PROPERTY( QString genericWelcomeMessage MEMBER m_genericWelcomeMessage NOTIFY genericWelcomeMessageChanged FINAL )
    Q_PROPERTY( QString warningMessage MEMBER m_warningMessage CONSTANT FINAL )

    Q_PROPERTY(QString supportUrl MEMBER m_supportUrl CONSTANT FINAL)
    Q_PROPERTY(QString knownIssuesUrl MEMBER m_knownIssuesUrl CONSTANT FINAL)
    Q_PROPERTY(QString releaseNotesUrl MEMBER m_releaseNotesUrl CONSTANT FINAL)
    Q_PROPERTY(QString donateUrl MEMBER m_donateUrl CONSTANT FINAL)

public:
    Config( QObject* parent = nullptr );
    void setCountryCode( const QString &countryCode );
    void setLanguageIcon( const QString &languageIcon );
    RequirementsModel& requirementsModel () const;

    void setIsNextEnabled( const bool& isNextEnabled );

    void setLocaleIndex(const int &index);
    int localeIndex() const { return m_localeIndex; }

    QString supportUrl() const;
    void setSupportUrl(const QString &url);

    QString knownIssuesUrl() const;
    void setKnownIssuesUrl(const QString &url);

    QString releaseNotesUrl() const;
    void setReleaseNotesUrl(const QString &url);

    QString donateUrl() const;
    void setDonateUrl(const QString &url);

public slots:
    CalamaresUtils::Locale::LabelModel* languagesModel() const;
    void retranslate();
    QString languageIcon() const;

private:
    void initLanguages();
    QVariantMap m_configurationMap;
    RequirementsModel* m_requirementsModel;
    QString m_languageIcon;
    QString m_countryCode;
    int m_localeIndex = 0;
    bool m_isNextEnabled = false;
    CalamaresUtils::Locale::LabelModel* m_languages;

    QString m_genericWelcomeMessage = tr("This program will ask you some questions and set up your installation");

    QString m_warningMessage = tr("This program does not satisfy the minimum requirements for installing.\nInstallation can not continue");

    QString m_supportUrl;
    QString m_knownIssuesUrl;
    QString m_releaseNotesUrl;
    QString m_donateUrl;

signals:
    void countryCodeChanged( QString countryCode );
    void localeIndexChanged( int localeIndex );
    void isNextEnabledChanged( bool isNextEnabled );
    void genericWelcomeMessageChanged();
};

#endif