//  Template.cpp
//
//  Copyright (C) 2013-2016  Jaye Evins <evins@snaught.com>
//
//  This file is part of gLabels-qt.
//
//  gLabels-qt 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.
//
//  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
//


#include "Template.hpp"

#include "Db.hpp"
#include "FrameContinuous.hpp"
#include "StrUtil.hpp"

#include <QDebug>


namespace glabels::model
{

        Template::Template( const QString& brand,
                            const QString& part,
                            const QString& description,
                            const QString& paperId,
                            Distance       pageWidth,
                            Distance       pageHeight,
                            Distance       rollWidth,
                            const QString& fileName,
                            bool           isUserDefined )
                : mBrand(brand),
                  mPart(part),
                  mDescription(description),
                  mPaperId(paperId),
                  mPageWidth(pageWidth),
                  mPageHeight(pageHeight),
                  mRollWidth(rollWidth),
                  mFileName(fileName),
                  mIsUserDefined(isUserDefined)
        {
                mName = brandPartToName( brand, part );

                if ( Db::isPaperIdKnown( paperId ) )
                {
                        auto paper = Db::lookupPaperFromId( paperId );
                        mIsSizeIso = paper.isSizeIso();
                        mIsSizeUs  = paper.isSizeUs();
                }

                mIsRoll = (paperId == "roll");
        }


        Template::Template( const Template& other )
        {
                mBrand         = other.mBrand;
                mPart          = other.mPart;
                mDescription   = other.mDescription;
                mPaperId       = other.mPaperId;
                mPageWidth     = other.mPageWidth;
                mPageHeight    = other.mPageHeight;
                mRollWidth     = other.mRollWidth;
                mIsSizeIso     = other.mIsSizeIso;
                mIsSizeUs      = other.mIsSizeUs;
                mIsRoll        = other.mIsRoll;
                mEquivPart     = other.mEquivPart;
                mName          = other.mName;
                mProductUrl    = other.mProductUrl;
                mFileName      = other.mFileName;
                mIsUserDefined = other.mIsUserDefined;

                if ( other.mFrame )
                {
                        mFrame = other.mFrame->clone();
                }

                for ( auto& categoryId : other.mCategoryIds )
                {
                        addCategory( categoryId );
                }
        }


        Template& Template::operator=( const Template& other )
        {
                if ( this != &other )
                {
                        mBrand         = other.mBrand;
                        mPart          = other.mPart;
                        mDescription   = other.mDescription;
                        mPaperId       = other.mPaperId;
                        mPageWidth     = other.mPageWidth;
                        mPageHeight    = other.mPageHeight;
                        mRollWidth     = other.mRollWidth;
                        mIsSizeIso     = other.mIsSizeIso;
                        mIsSizeUs      = other.mIsSizeUs;
                        mIsRoll        = other.mIsRoll;
                        mEquivPart     = other.mEquivPart;
                        mName          = other.mName;
                        mProductUrl    = other.mProductUrl;
                        mFileName      = other.mFileName;
                        mIsUserDefined = other.mIsUserDefined;

                        if ( other.mFrame )
                        {
                                mFrame = other.mFrame->clone();
                        }

                        mCategoryIds.clear();
                        for ( auto& categoryId : other.mCategoryIds )
                        {
                                addCategory( categoryId );
                        }
                }

                return *this;
        }


        // From equivalent part number
        Template Template::fromEquiv( const QString& brand,
                                      const QString& part,
                                      const QString& equivPart )
        {
                if ( Db::isTemplateKnown( brand, equivPart ) )
                {
                        auto tmplate = Db::lookupTemplateFromBrandPart( brand, equivPart );

                        tmplate.mPart      = part;
                        tmplate.mEquivPart = equivPart;

                        tmplate.mName = brandPartToName( brand, part );

                        return tmplate;
                }
                else
                {
                        qWarning() << "Error: cannot create equivalent template for "
                                   << brand << ", " << equivPart
                                   << ". Forward references not supported.";
                        return Template();
                }
        }


        QString Template::brandPartToName( const QString& brand,
                                           const QString& part )
        {
                return QString( "%1 %2" ).arg( brand ).arg( part );
        }


        bool Template::isNull() const
        {
                return mBrand.isEmpty() || mPart.isEmpty();
        }


        QString Template::brand() const
        {
                return mBrand;
        }


        QString Template::part() const
        {
                return mPart;
        }


        QString Template::description() const
        {
                return mDescription;
        }


        QString Template::paperDescription( Units units ) const
        {
                if ( mPaperId == "other" )
                {
                        if ( units.toEnum() == Units::IN )
                        {
                                QString wStr = StrUtil::formatFraction( mPageWidth.in() );
                                QString hStr = StrUtil::formatFraction( mPageHeight.in() );

                                return QString("%1 x %2 %3").arg(wStr).arg(hStr).arg(units.toTrName());
                        }
                        else
                        {
                                return QString("%1 x %2 %3")
                                        .arg(mPageWidth.inUnits(units), 0, 'g', 5)
                                        .arg(mPageHeight.inUnits(units), 0, 'g', 5)
                                        .arg(units.toTrName());
                        }
                }

                return  Db::lookupPaperNameFromId( mPaperId );
        }


        QString Template::paperId() const
        {
                return mPaperId;
        }


        Distance Template::pageWidth() const
        {
                return mPageWidth;
        }


        Distance Template::pageHeight() const
        {
                // Adjust height if continuous tape
                if ( const auto* frameContinuous = dynamic_cast<const model::FrameContinuous*>( mFrame.get() ) )
                {
                        return frameContinuous->h();
                }
                else
                {
                        return mPageHeight;
                }
        }


        Distance Template::rollWidth() const
        {
                return mRollWidth;
        }


        bool Template::isSizeIso() const
        {
                return mIsSizeIso;
        }


        bool Template::isSizeUs() const
        {
                return mIsSizeUs;
        }


        bool Template::isSizeOther() const
        {
                return !mIsSizeIso && !mIsSizeUs;
        }


        bool Template::isRoll() const
        {
                return mIsRoll;
        }


        QString Template::fileName() const
        {
                return mFileName;
        }


        void Template::setFileName( const QString& value )
        {
                mFileName = value;
        }


        bool Template::isUserDefined() const
        {
                return mIsUserDefined;
        }


        void Template::setIsUserDefined( bool isUserDefined )
        {
                mIsUserDefined = isUserDefined;
        }


        QString Template::equivPart() const
        {
                return mEquivPart;
        }


        void Template::setEquivPart( const QString& value )
        {
                mEquivPart = value;
        }


        QString Template::productUrl() const
        {
                return mProductUrl;
        }


        void Template::setProductUrl( const QString& value )
        {
                mProductUrl = value;
        }


        QString Template::name() const
        {
                return mName;
        }


        const Frame* Template::frame( const QString& id ) const
        {
                return mFrame.get();
        }


        void Template::addCategory( const QString& categoryId )
        {
                mCategoryIds << categoryId;
        }


        void Template::addFrame( const Frame& frame )
        {
                mFrame = frame.clone();
        }


        bool Template::operator==( const Template& other ) const
        {
                return (mBrand == other.mBrand) && (mPart == other.mPart);
        }


        bool Template::hasCategory( const QString& categoryId ) const
        {
                for ( auto& testCategoryId : mCategoryIds )
                {
                        if ( categoryId == testCategoryId )
                        {
                                return true;
                        }
                }

                return false;
        }


        bool Template::isSimilarTo( const Template& other ) const
        {
                // Does page size match?
                if ( (mPaperId    != other.mPaperId)    ||
                     (mPageWidth  != other.mPageWidth ) ||
                     (mPageHeight != other.mPageHeight ) )
                {
                        return false;
                }

                // Are frames similar
                auto& frame1 = mFrame;
                auto& frame2 = other.mFrame;
                if ( !frame1->isSimilarTo( *frame2 ) )
                {
                        return false;
                }

                // Are they layed out similarly?
                for ( auto& layout1 : frame1->layouts() )
                {
                        bool matchFound = false;
                        for ( auto& layout2 : frame2->layouts() )
                        {
                                if ( layout1.isSimilarTo( layout2 ) )
                                {
                                        matchFound = true;
                                        break;
                                }
                        }
                        if ( !matchFound )
                        {
                                return false;
                        }
                }

                return true;
        }


        bool Template::setH( Distance h )
        {
                if ( mFrame )
                {
                        return mFrame->setH( h );
                }
                else
                {
                        return false;
                }
        }

}


QDebug operator<<( QDebug dbg, const glabels::model::Template& tmplate )
{
        QDebugStateSaver saver(dbg);

        dbg.nospace() << "Template{ "
                      << tmplate.brand() << "," << tmplate.part() << "," << tmplate.description() << ","
                      << tmplate.paperId() << ","
                      << tmplate.pageWidth() << ","
                      << tmplate.pageHeight() << ","
                      << tmplate.rollWidth() << ","
                      << tmplate.isSizeIso() << ","
                      << tmplate.isSizeUs() << ","
                      << tmplate.isSizeOther() << ","
                      << tmplate.isRoll() << ","
                      << *tmplate.frame() << ","
                      << " }";
        return dbg;
}