// Tnz6 includes

#include "colormodelviewer.h"

#include "menubarcommandids.h"

#include "floatingpanelcommand.h"

#include "tapp.h"

#include "pane.h"

#include "colormodelbehaviorpopup.h"

// TnzTools includes

#include "tools/cursormanager.h"

#include "tools/cursors.h"

#include "tools/stylepicker.h"

#include "tools/toolcommandids.h"

#include "tools/tool.h"

#include "tools/toolhandle.h"

#include "../tnztools/stylepickertool.h"

// TnzQt includes

#include "toonzqt/menubarcommand.h"

#include "toonzqt/viewcommandids.h"

#include "toonzqt/dvdialog.h"

#include "toonzqt/icongenerator.h"

#include "toonzqt/gutil.h"

#include "toonzqt/tselectionhandle.h"

#include "toonzqt/styleselection.h"

// TnzLib includes

#include "toonz/palettecmd.h"

#include "toonz/txshlevelhandle.h"

#include "toonz/tpalettehandle.h"

#include "toonz/tframehandle.h"

#include "toonz/tscenehandle.h"

#include "toonz/txsheethandle.h"

#include "toonz/tcolumnhandle.h"

#include "toonz/toonzscene.h"

#include "toonz/txsheet.h"

#include "toonz/palettecontroller.h"

#include "toonz/txshlevel.h"

#include "toonz/txshsimplelevel.h"

#include "toonz/txshcell.h"

// TnzCore includes

#include "tsystem.h"

#include "ttoonzimage.h"

// Qt includes

#include <qmimedata></qmimedata>

#include <qmouseevent></qmouseevent>

#include <qurl></qurl>

#include <qmenu></qmenu>

#define LINES "Lines"

#define AREAS "Areas"

#define ALL "Lines & Areas"

using namespace DVGui;

namespace {

TPaletteHandle *getPaletteHandle() {

  return TApp::instance()->getPaletteController()->getCurrentLevelPalette();

}

}  // namespace

//=============================================================================

/*! \class ColorModelViewer

                \brief The ColorModelViewer class is a flip book used to manage

   color model.

                Inherits \b FlipBook.

                This object show the reference image linked to current level

   palette.

*/

/*!	\fn void ColorModelViewer::resetImageViewer()

                Set current level to TLevelP() and image to "0".

*/

ColorModelViewer::ColorModelViewer(QWidget *parent)

    : FlipBook(parent, QString(tr("Color Model")),

               FlipConsole::cFullConsole &

                   (~(FlipConsole::eFilterRgbm | FlipConsole::cFilterGRgb |

                      FlipConsole::eRate | FlipConsole::eSound |

                      FlipConsole::eSaveImg | FlipConsole::eHisto |

                      FlipConsole::eCompare | FlipConsole::eCustomize |

                      FlipConsole::eSave | FlipConsole::eFilledRaster |

                      FlipConsole::eDefineLoadBox | FlipConsole::eUseLoadBox |

                      FlipConsole::eDefineSubCamera | FlipConsole::eLocator)),

               eDontKeepFilesOpened, true)

    , m_mode(0)

    , m_currentRefImgPath(TFilePath()) {

  setObjectName("colormodel");

  setToolCursor(m_imageViewer, ToolCursor::PickerCursor);

  // Do not call the special procedure for flipbook closures...

  disconnect(parentWidget(), SIGNAL(closeButtonPressed()), this,

             SLOT(onCloseButtonPressed()));

  bool ret = connect(this, SIGNAL(refImageNotFound()), this,

                     SLOT(onRefImageNotFound()), Qt::QueuedConnection);

  assert(ret);

  m_imageViewer->setMouseTracking(true);

}

//-----------------------------------------------------------------------------

ColorModelViewer::~ColorModelViewer() {}

//-----------------------------------------------------------------------------

/*! Accept event if current palette is not empty, event data has urls and each

                urls type are different from "src" and "tpl" .

*/

void ColorModelViewer::dragEnterEvent(QDragEnterEvent *event) {

  TPalette *palette = getPaletteHandle()->getPalette();

  if (!palette) return;

  const QMimeData *mimeData = event->mimeData();

  if (!acceptResourceDrop(mimeData->urls())) return;

  for (const QUrl &url : mimeData->urls()) {

    TFilePath fp(url.toLocalFile().toStdWString());

    std::string type = fp.getType();

    if (type == "scr" || type == "tpl") return;

  }

  event->acceptProposedAction();

}

//-----------------------------------------------------------------------------

/*! If event data has urls, convert each urls in path and set view and current

    palette reference image (recall loadImage() and setLevel()).

*/

void ColorModelViewer::dropEvent(QDropEvent *event) {

  const QMimeData *mimeData = event->mimeData();

  if (mimeData->hasUrls()) {

    for (const QUrl &url : mimeData->urls()) {

      TFilePath fp(url.toLocalFile().toStdWString());

      loadImage(fp);

      setLevel(fp);

    }

    event->acceptProposedAction();

  }

}

//-----------------------------------------------------------------------------

/*! Set current palette reference image to \b fp recall:

                \b PaletteCmd::loadReferenceImage().

*/

// This function will be called when drag & drop the file into the color model

// viewer

void ColorModelViewer::loadImage(const TFilePath &fp) {

  if (fp.isEmpty()) return;

  TPaletteHandle *paletteHandle = getPaletteHandle();

  TPalette *palette             = paletteHandle->getPalette();

  if (!palette || palette->isCleanupPalette()) {

    DVGui::error(QObject::tr("Cannot load Color Model in current palette."));

    return;

  }

  PaletteCmd::ColorModelLoadingConfiguration config;

  // if the palette is locked, replace the color model's palette with the

  // destination

  if (palette->isLocked()) {

    // do nothing as config will use behavior = ReplaceColorModelPlt by default

    // config.behavior = PaletteCmd::ReplaceColorModelPlt;

  } else {

    std::set<tfilepath> fpSet;</tfilepath>

    fpSet.insert(fp);

    ColorModelBehaviorPopup popup(fpSet, 0);

    int ret = popup.exec();

    if (ret == QDialog::Rejected) return;

    popup.getLoadingConfiguration(config);

  }

  ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();

  int isLoaded =

      PaletteCmd::loadReferenceImage(paletteHandle, config, fp, scene);

  if (0 != isLoaded) {

    std::cout << "loadReferenceImage Failed for some reason." << std::endl;

    return;

  }

  // no changes in the icon with replace (Keep the destination palette) option

  if (config.behavior != PaletteCmd::ReplaceColorModelPlt) {

    TXshLevel *level = TApp::instance()->getCurrentLevel()->getLevel();

    if (!level) return;

    std::vector<tframeid> fids;</tframeid>

    level->getFids(fids);

    invalidateIcons(level, fids);

  }

}

//-----------------------------------------------------------------------------

/*! Create and open the Right-click menu color model viewer.

*/

void ColorModelViewer::contextMenuEvent(QContextMenuEvent *event) {

  /*-- Levelが取得できない場合はMenuを出さない --*/

  TApp *app     = TApp::instance();

  TXshLevel *xl = app->getCurrentLevel()->getLevel();

  if (!xl) return;

  TXshSimpleLevel *sl = xl->getSimpleLevel();

  if (!sl) return;

  TPalette *currentPalette =

      app->getPaletteController()->getCurrentLevelPalette()->getPalette();

  if (!currentPalette) return;

  QMenu menu(this);

  menu.addAction(CommandManager::instance()->getAction(MI_LoadColorModel));

  QAction *loadCurrentFrame =

      new QAction(QString(tr("Use Current Frame")), this);

  connect(loadCurrentFrame, SIGNAL(triggered()), SLOT(loadCurrentFrame()));

  menu.addAction(loadCurrentFrame);

  if (!m_imageViewer->getImage()) {

    menu.exec(event->globalPos());

    return;

  }

  QAction *removeColorModel =

      new QAction(QString(tr("Remove Color Model")), this);

  connect(removeColorModel, SIGNAL(triggered()), SLOT(removeColorModel()));

  menu.addAction(removeColorModel);

  /* If there is at least one style with "picked pos" parameter, then enable

   * repick command */

  TRasterImageP ri = m_imageViewer->getImage();

  if (ri && currentPalette->hasPickedPosStyle()) {

    menu.addSeparator();

    QAction *repickFromColorModelAct = new QAction(

        QString(tr("Update Colors by Using Picked Positions")), this);

    connect(repickFromColorModelAct, SIGNAL(triggered()),

            SLOT(repickFromColorModel()));

    menu.addAction(repickFromColorModelAct);

  }

  menu.addSeparator();

  QString shortcut = QString::fromStdString(

      CommandManager::instance()->getShortcutFromId(V_ZoomReset));

  QAction *reset = menu.addAction(tr("Reset View") + "\t " + shortcut);

  connect(reset, SIGNAL(triggered()), m_imageViewer, SLOT(resetView()));

  shortcut = QString::fromStdString(

      CommandManager::instance()->getShortcutFromId(V_ZoomFit));

  QAction *fit = menu.addAction(tr("Fit to Window") + "\t" + shortcut);

  connect(fit, SIGNAL(triggered()), m_imageViewer, SLOT(fitView()));

  menu.exec(event->globalPos());

}

//-----------------------------------------------------------------------------

/*! If left button is pressed recall \b pick() in event pos.

*/

void ColorModelViewer::mousePressEvent(QMouseEvent *event) {

  if (event->button() == Qt::LeftButton) pick(event->pos() * getDevPixRatio());

}

//-----------------------------------------------------------------------------

/*! If left button is moved recall \b pick() in event pos.

*/

void ColorModelViewer::mouseMoveEvent(QMouseEvent *event) {

  if (event->buttons() & Qt::LeftButton) pick(event->pos() * getDevPixRatio());

}

//-----------------------------------------------------------------------------

/*! Pick color from image and set it as current style.

*/

void ColorModelViewer::pick(const QPoint &p) {

  TImageP img = m_imageViewer->getImage();

  if (!img) return;

  TPaletteHandle *ph =

      TApp::instance()->getPaletteController()->getCurrentLevelPalette();

  TPalette *currentPalette = ph->getPalette();

  if (!currentPalette) return;

  /*- 画面外ではPickできない -*/

  if (!m_imageViewer->rect().contains(p)) return;

  StylePicker picker(img, currentPalette);

  QPoint viewP = m_imageViewer->mapFrom(this, p);

  TPointD pos  = m_imageViewer->getViewAff().inv() *

                TPointD(viewP.x() - m_imageViewer->width() / 2,

                        -viewP.y() + m_imageViewer->height() / 2);

  /*---

          カレントToolに合わせてPickモードを変更

          0=Area, 1=Line, 2=Line&Areas(default)

  ---*/

  int styleIndex = picker.pickStyleId(pos, 1, m_mode);

  if (styleIndex < 0) return;

  /*-- pickLineモードのとき、取得Styleが0の場合 /

   * PurePaintの部分をクリックした場合 はカレントStyleを変えない --*/

  if (m_mode == 1) {

    if (styleIndex == 0) return;

    TToonzImageP ti = img;

    if (ti && picker.pickTone(pos) == 255) return;

  }

  /*- Paletteに存在しない色が取れた場合はreturn -*/

  TPalette::Page *page = currentPalette->getStylePage(styleIndex);

  if (!page) return;

  /*-- Styleを選択している場合は選択を解除する --*/

  TSelection *selection =

      TApp::instance()->getCurrentSelection()->getSelection();

  if (selection) {

    TStyleSelection *styleSelection =

        dynamic_cast<tstyleselection *="">(selection);</tstyleselection>

    if (styleSelection) styleSelection->selectNone();

  }

  /*

    if the Style Picker tool is current and "organize palette" is activated,

    then move the picked style to the first page of the palette.

  */

  TTool *tool = TApp::instance()->getCurrentTool()->getTool();

  if (tool->getName() == "T_StylePicker") {

    StylePickerTool *spTool = dynamic_cast<stylepickertool *="">(tool);</stylepickertool>

    if (spTool && spTool->isOrganizePaletteActive()) {

      TPoint point = picker.getRasterPoint(pos);

      int frame    = m_flipConsole->getCurrentFrame() - 1;

      PaletteCmd::organizePaletteStyle(

          ph, styleIndex, TColorStyle::PickedPosition(point, frame));

    }

  }

  ph->setStyleIndex(styleIndex);

}

//-----------------------------------------------------------------------------

void ColorModelViewer::hideEvent(QHideEvent *e) {

  TPaletteHandle *paletteHandle = getPaletteHandle();

  TXshLevelHandle *levelHandle  = TApp::instance()->getCurrentLevel();

  ToolHandle *toolHandle        = TApp::instance()->getCurrentTool();

  disconnect(paletteHandle, SIGNAL(paletteSwitched()), this,

             SLOT(showCurrentImage()));

  disconnect(paletteHandle, SIGNAL(paletteChanged()), this,

             SLOT(showCurrentImage()));

  disconnect(paletteHandle, SIGNAL(colorStyleChanged(bool)), this,

             SLOT(showCurrentImage()));

  disconnect(toolHandle, SIGNAL(toolSwitched()), this, SLOT(changePickType()));

  disconnect(toolHandle, SIGNAL(toolChanged()), this, SLOT(changePickType()));

  disconnect(levelHandle, SIGNAL(xshLevelViewChanged()), this,

             SLOT(updateViewer()));

}

//-----------------------------------------------------------------------------

void ColorModelViewer::showEvent(QShowEvent *e) {

  TPaletteHandle *paletteHandle = getPaletteHandle();

  TXshLevelHandle *levelHandle  = TApp::instance()->getCurrentLevel();

  ToolHandle *toolHandle        = TApp::instance()->getCurrentTool();

  bool ret = connect(paletteHandle, SIGNAL(paletteSwitched()), this,

                     SLOT(showCurrentImage()));

  ret = ret && connect(paletteHandle, SIGNAL(paletteChanged()), this,

                       SLOT(showCurrentImage()));

  ret = ret && connect(paletteHandle, SIGNAL(colorStyleChanged(bool)), this,

                       SLOT(showCurrentImage()));

  /*- ツールのTypeに合わせてPickのタイプも変え、カーソルも切り替える -*/

  ret = ret && connect(toolHandle, SIGNAL(toolSwitched()), this,

                       SLOT(changePickType()));

  ret = ret && connect(toolHandle, SIGNAL(toolChanged()), this,

                       SLOT(changePickType()));

  ret = ret && connect(levelHandle, SIGNAL(xshLevelViewChanged()), this,

                       SLOT(updateViewer()));

  assert(ret);

  changePickType();

  showCurrentImage();

}

//-----------------------------------------------------------------------------

/*- ツールのTypeに合わせてPickのタイプも変え、カーソルも切り替える -*/

void ColorModelViewer::changePickType() {

  TTool *tool = TApp::instance()->getCurrentTool()->getTool();

  if (tool->getName() == T_StylePicker) {

    StylePickerTool *stylePickerTool = dynamic_cast<stylepickertool *="">(tool);</stylepickertool>

    if (stylePickerTool->isOrganizePaletteActive()) {

      setToolCursor(m_imageViewer, ToolCursor::PickerCursorOrganize);

      return;

    }

  }

  TPropertyGroup *propGroup = tool->getProperties(0);

  /*- Propertyの無いツールの場合 -*/

  if (!propGroup) {

    m_mode = 2;

    setToolCursor(m_imageViewer, ToolCursor::PickerCursor);

    return;

  }

  /*- Mode: の無いツールの場合は0が返る -*/

  TProperty *modeProp = propGroup->getProperty("Mode:");

  if (!modeProp) {

    m_mode = 2;

    setToolCursor(m_imageViewer, ToolCursor::PickerCursor);

    return;

  }

  else {

    std::string var = modeProp->getValueAsString();

    if (var == LINES) {

      m_mode = 1;

      setToolCursor(m_imageViewer, ToolCursor::PickerCursorLine);

    } else if (var == AREAS) {

      m_mode = 0;

      setToolCursor(m_imageViewer, ToolCursor::PickerCursorArea);

    } else  // Line & Areas

    {

      m_mode = 2;

      setToolCursor(m_imageViewer, ToolCursor::PickerCursor);

    }

  }

}

//-----------------------------------------------------------------------------

/*! If current palette level exists reset image viewer and set current viewer

    to refences image path level.

*/

void ColorModelViewer::updateViewer() { getImageViewer()->repaint(); }

//------------------------------------------------------------------------------

void ColorModelViewer::showCurrentImage() {

  TPalette *palette = getPaletteHandle()->getPalette();

  if (!palette) {

    resetImageViewer();

    return;

  }

  TApp *app     = TApp::instance();

  TXshLevel *xl = app->getCurrentLevel()->getLevel();

  if (!xl) {

    resetImageViewer();

    return;

  }

  /*-- UseCurrentFrameの場合、paletteを差し替える --*/

  if (palette->getRefImgPath() == xl->getPath()) {

    TXshSimpleLevel *sl = xl->getSimpleLevel();

    if (!sl) {

      resetImageViewer();

      return;

    }

    /*- 同じTFrameIdだった場合、パレットを差し替える -*/

    if (m_currentRefImgPath == xl->getPath()) {

      TImageP refImg = m_imageViewer->getImage();

      if (!refImg) {

        resetImageViewer();

        return;

      }

      TImageP refImg_clone = refImg->cloneImage();

      refImg_clone->setPalette(palette);

      m_imageViewer->setImage(refImg_clone);

      return;

    }

    /*- UseCurrentFrameのLevelに移動してきた場合、Levelを入れ直す -*/

    else {

      reloadCurrentFrame();

      return;

    }

  }

  /*- 以下、通常のColorModelが読み込まれている場合 -*/

  resetImageViewer();

  ToonzScene *scene = TApp::instance()->getCurrentScene()->getScene();

  TFilePath fp      = scene->decodeFilePath(palette->getRefImgPath());

  if (TSystem::doesExistFileOrLevel(fp)) {

    setLevel(fp, palette);

  } else if (!fp.isEmpty())

    emit refImageNotFound();

}

//-----------------------------------------------------------------------------

/*! Clone current image and set it in viewer.

*/

void ColorModelViewer::loadCurrentFrame() {

  TApp *app     = TApp::instance();

  TXshLevel *xl = app->getCurrentLevel()->getLevel();

  if (!xl) return;

  TXshSimpleLevel *sl = xl->getSimpleLevel();

  if (!sl) return;

  /*- カレントフレームのFIdの取得 -*/

  TFrameId fid;

  if (app->getCurrentFrame()->isEditingLevel())

    fid = app->getCurrentFrame()->getFid();

  else if (app->getCurrentFrame()->isEditingScene()) {

    int columnIndex = app->getCurrentColumn()->getColumnIndex();

    TXsheet *xsh    = app->getCurrentXsheet()->getXsheet();

    if (!xsh) return;

    TXshColumn *column = xsh->getColumn(columnIndex);

    if (!column) return;

    int frame = app->getCurrentFrame()->getFrame();

    fid       = column->getCellColumn()->getCell(frame).getFrameId();

  }

  TImageP img = sl->getFrame(fid, true);

  TPalette *currentPalette =

      app->getPaletteController()->getCurrentLevelPalette()->getPalette();

  if (!img || !currentPalette) return;

  TImageP refImg = img->cloneImage();

  currentPalette->setRefImg(TImageP());

  /*--onPaletteSwitchedでRefImagePathを見て、自分自身のパスを参照していたらUpdateのルーチンを切り替える--*/

  currentPalette->setRefImgPath(xl->getPath());

  std::vector<tframeid> fids;</tframeid>

  fids.push_back(fid);

  currentPalette->setRefLevelFids(fids);

  m_currentRefImgPath = xl->getPath();

  m_levels.clear();

  m_levelNames.clear();

  m_framesCount = 1;

  m_palette     = 0;

  m_lr          = TLevelReaderP();

  m_dim         = TDimension(0, 0);

  m_loadbox     = TRect();

  m_loadboxes.clear();

  m_flipConsole->enableProgressBar(false);

  m_flipConsole->setProgressBarStatus(0);

  m_flipConsole->setFrameRange(1, 1, 1);

  m_title1 = m_viewerTitle + " :: " +

             m_currentRefImgPath.withoutParentDir().withFrame(fid);

  m_title = "  ::  <use current="" frame="">";</use>

  m_imageViewer->setImage(refImg);

}

//-----------------------------------------------------------------------------

/*--

 * UseCurrentFrameのLevelに移動してきたときに、改めてCurrentFrameを格納しなおす

 * --*/

void ColorModelViewer::reloadCurrentFrame() {

  TApp *app     = TApp::instance();

  TXshLevel *xl = app->getCurrentLevel()->getLevel();

  if (!xl) return;

  TXshSimpleLevel *sl = xl->getSimpleLevel();

  if (!sl) return;

  TPalette *currentPalette =

      app->getPaletteController()->getCurrentLevelPalette()->getPalette();

  if (!currentPalette) return;

  std::vector<tframeid> fids = currentPalette->getRefLevelFids();</tframeid>

  /*- CurrentFrameなので、1Frameのみのはず -*/

  if (fids.size() != 1) return;

  TImageP img = sl->getFrame(fids[0], true);

  if (!img) return;

  TImageP refImg = img->cloneImage();

  currentPalette->setRefImg(TImageP());

  currentPalette->setRefImgPath(xl->getPath());

  /*- currentRefImgPathの更新 -*/

  m_currentRefImgPath = xl->getPath();

  m_levels.clear();

  m_levelNames.clear();

  m_framesCount = 1;

  m_palette     = 0;

  m_lr          = TLevelReaderP();

  m_dim         = TDimension(0, 0);

  m_loadbox     = TRect();

  m_loadboxes.clear();

  m_flipConsole->enableProgressBar(false);

  m_flipConsole->setProgressBarStatus(0);

  m_flipConsole->setFrameRange(1, 1, 1);

  m_title1 = m_viewerTitle + " :: " +

             m_currentRefImgPath.withoutParentDir().withFrame(fids[0]);

  m_title = "  ::  <use current="" frame="">";</use>

  m_imageViewer->setImage(refImg);

}

//-----------------------------------------------------------------------------

/*! Remove reference image from current palette using

                \b PaletteCmd::removeReferenceImage() and reset image viewer.

*/

void ColorModelViewer::removeColorModel() {

  PaletteCmd::removeReferenceImage(getPaletteHandle());

  resetImageViewer();

  m_currentRefImgPath = TFilePath();

}

//-----------------------------------------------------------------------------

void ColorModelViewer::onRefImageNotFound() {

  DVGui::info(

      tr("It is not possible to retrieve the color model set for the current "

         "level."));

}

//-----------------------------------------------------------------------------

void ColorModelViewer::repickFromColorModel() {

  TImageP img = m_imageViewer->getImage();

  if (!img) return;

  TPaletteHandle *ph =

      TApp::instance()->getPaletteController()->getCurrentLevelPalette();

  PaletteCmd::pickColorByUsingPickedPosition(

      ph, img, m_flipConsole->getCurrentFrame() - 1);

}

//=============================================================================

OpenFloatingPanel openColorModelCommand(MI_OpenColorModel, "ColorModel",

                                        QObject::tr("Color Model"));