//*********************************************************************************
//                               Movie.cc
//---------------------------------------------------------------------------------
//
//---------------------------------------------------------------------------------
// Hugo Mercier <hmercier31[at]gmail.com> (c) 2008
// Pino Toscano <pino@kde.org> (c) 2008
// Carlos Garcia Campos <carlosgc@gnome.org> (c) 2010
// Albert Astals Cid <aacid@kde.org> (c) 2010, 2017-2019, 2022
// Evgeny Stambulchik <fnevgeny@gmail.com> (c) 2019
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//*********************************************************************************

#include <cmath>
#include "Movie.h"
#include "FileSpec.h"

MovieActivationParameters::MovieActivationParameters()
{
    // default values
    floatingWindow = false;
    xPosition = 0.5;
    yPosition = 0.5;
    rate = 1.0;
    volume = 100;
    showControls = false;
    synchronousPlay = false;
    repeatMode = repeatModeOnce;
    start.units = 0;
    duration.units = 0;
    znum = 1;
    zdenum = 1;
}

MovieActivationParameters::~MovieActivationParameters() { }

void MovieActivationParameters::parseMovieActivation(const Object *aDict)
{
    Object obj1 = aDict->dictLookup("Start");
    if (obj1.isInt()) {
        // If it is representable as an integer (subject to the implementation limit for
        // integers, as described in Appendix C), it should be specified as such.

        start.units = obj1.getInt();
    } else if (obj1.isString()) {
        // If it is not representable as an integer, it should be specified as an 8-byte
        // string representing a 64-bit twos-complement integer, most significant
        // byte first.

        // UNSUPPORTED
    } else if (obj1.isArray()) {
        Array *a = obj1.getArray();

        Object tmp = a->get(0);
        if (tmp.isInt()) {
            start.units = tmp.getInt();
        }
        if (tmp.isString()) {
            // UNSUPPORTED
        }

        tmp = a->get(1);
        if (tmp.isInt()) {
            start.units_per_second = tmp.getInt();
        }
    }

    obj1 = aDict->dictLookup("Duration");
    if (obj1.isInt()) {
        duration.units = obj1.getInt();
    } else if (obj1.isString()) {
        // UNSUPPORTED
    } else if (obj1.isArray()) {
        Array *a = obj1.getArray();

        Object tmp = a->get(0);
        if (tmp.isInt()) {
            duration.units = tmp.getInt();
        }
        if (tmp.isString()) {
            // UNSUPPORTED
        }

        tmp = a->get(1);
        if (tmp.isInt()) {
            duration.units_per_second = tmp.getInt();
        }
    }

    obj1 = aDict->dictLookup("Rate");
    if (obj1.isNum()) {
        rate = obj1.getNum();
    }

    obj1 = aDict->dictLookup("Volume");
    if (obj1.isNum()) {
        // convert volume to [0 100]
        volume = int((obj1.getNum() + 1.0) * 50);
    }

    obj1 = aDict->dictLookup("ShowControls");
    if (obj1.isBool()) {
        showControls = obj1.getBool();
    }

    obj1 = aDict->dictLookup("Synchronous");
    if (obj1.isBool()) {
        synchronousPlay = obj1.getBool();
    }

    obj1 = aDict->dictLookup("Mode");
    if (obj1.isName()) {
        const char *name = obj1.getName();
        if (!strcmp(name, "Once")) {
            repeatMode = repeatModeOnce;
        } else if (!strcmp(name, "Open")) {
            repeatMode = repeatModeOpen;
        } else if (!strcmp(name, "Repeat")) {
            repeatMode = repeatModeRepeat;
        } else if (!strcmp(name, "Palindrome")) {
            repeatMode = repeatModePalindrome;
        }
    }

    obj1 = aDict->dictLookup("FWScale");
    if (obj1.isArray()) {
        // the presence of that entry implies that the movie is to be played
        // in a floating window
        floatingWindow = true;

        Array *scale = obj1.getArray();
        if (scale->getLength() >= 2) {
            Object tmp = scale->get(1);
            if (tmp.isInt()) {
                znum = tmp.getInt();
            }
            tmp = scale->get(1);
            if (tmp.isInt()) {
                zdenum = tmp.getInt();
            }
        }
    }

    obj1 = aDict->dictLookup("FWPosition");
    if (obj1.isArray()) {
        Array *pos = obj1.getArray();
        if (pos->getLength() >= 2) {
            Object tmp = pos->get(0);
            if (tmp.isNum()) {
                xPosition = tmp.getNum();
            }
            tmp = pos->get(1);
            if (tmp.isNum()) {
                yPosition = tmp.getNum();
            }
        }
    }
}

void Movie::parseMovie(const Object *movieDict)
{
    fileName = nullptr;
    rotationAngle = 0;
    width = -1;
    height = -1;
    showPoster = false;

    Object obj1 = movieDict->dictLookup("F");
    Object obj2 = getFileSpecNameForPlatform(&obj1);
    if (obj2.isString()) {
        fileName = obj2.getString()->copy();
    } else {
        error(errSyntaxError, -1, "Invalid Movie");
        ok = false;
        return;
    }

    obj1 = movieDict->dictLookup("Aspect");
    if (obj1.isArray()) {
        Array *aspect = obj1.getArray();
        if (aspect->getLength() >= 2) {
            Object tmp = aspect->get(0);
            if (tmp.isNum()) {
                width = (int)floor(tmp.getNum() + 0.5);
            }
            tmp = aspect->get(1);
            if (tmp.isNum()) {
                height = (int)floor(tmp.getNum() + 0.5);
            }
        }
    }

    obj1 = movieDict->dictLookup("Rotate");
    if (obj1.isInt()) {
        // round up to 90°
        rotationAngle = (((obj1.getInt() + 360) % 360) % 90) * 90;
    }

    //
    // movie poster
    //
    poster = movieDict->dictLookupNF("Poster").copy();
    if (!poster.isNull()) {
        if (poster.isRef() || poster.isStream()) {
            showPoster = true;
        } else if (poster.isBool()) {
            showPoster = poster.getBool();
            poster.setToNull();
        } else {
            poster.setToNull();
        }
    }
}

Movie::~Movie()
{
    delete fileName;
}

Movie::Movie(const Object *movieDict)
{
    ok = true;

    if (movieDict->isDict()) {
        parseMovie(movieDict);
    } else {
        ok = false;
    }
}

Movie::Movie(const Object *movieDict, const Object *aDict)
{
    ok = true;

    if (movieDict->isDict()) {
        parseMovie(movieDict);
        if (aDict->isDict()) {
            MA.parseMovieActivation(aDict);
        }
    } else {
        ok = false;
    }
}

Movie::Movie(const Movie &other)
{
    ok = other.ok;
    rotationAngle = other.rotationAngle;
    width = other.width;
    height = other.height;
    showPoster = other.showPoster;
    MA = other.MA;

    poster = other.poster.copy();

    if (other.fileName) {
        fileName = other.fileName->copy();
    } else {
        fileName = nullptr;
    }
}

void Movie::getFloatingWindowSize(int *widthA, int *heightA)
{
    *widthA = int(width * double(MA.znum) / MA.zdenum);
    *heightA = int(height * double(MA.znum) / MA.zdenum);
}

std::unique_ptr<Movie> Movie::copy() const
{
    return std::make_unique<Movie>(*this);
}