#include "dialogimage.h"
#include "ui_dialogimage.h"
#include <iostream>
using namespace std;

DialogImage::DialogImage(Taquin *sdo, TaquinMain *tqm, QWidget *parent) :
    QDialog(parent),tqmain(tqm),sujet(sdo),ui(new Ui::DialogImage)
{
    grid = new QGridLayout();
    cout<<"taille grille "<<endl<<grid->count()<<endl;
    sujet->attacher(this);
    mapper = new QSignalMapper();
    rafraichir(sujet);
    connect(mapper, SIGNAL(mapped(int)), tqmain, SLOT(moveClick(int)));

    ui->setupUi(this);
}

void DialogImage::rafraichir(SujetDObservation *sdo){
    if(sdo != sujet) return;
    viderListe();
    for(int i=0;i<sujet->getSize();i++){
        for(int j=0;j<sujet->getSize();j++){
            Position pos{i,j};
            Piece a =sujet->getPiece(pos);
            if(a.isEmpty())
                tabButton.push_back(new QPushButton(""));
            else
                tabButton.push_back(new QPushButton());
            grid->addWidget(tabButton[tabButton.size()-1],i,j);
            connect(tabButton[tabButton.size()-1],SIGNAL(clicked()),mapper,SLOT(map()));
            mapper->setMapping(tabButton[tabButton.size()-1],grid->count()-1);
        }
    }

    cout<<"taille grille "<<endl<<grid->count()<<endl;
    ui->widget->setLayout(grid);
}

void DialogImage::viderListe(){
    QLayoutItem* item;
    while ((item= grid->takeAt(0)) != NULL )
    {
        item->widget()->deleteLater();
        delete item;
    }
    for (unsigned i;i<tabButton.size();i++){
        disconnect(tabButton[i],SIGNAL(clicked()),mapper,SLOT(map()));
        mapper->removeMappings(tabButton[i]);
        delete tabButton[i];
    }
    tabButton.clear();
}

DialogImage::~DialogImage() noexcept
{
    sujet->detacher(this);
    viderListe();
    delete img;
    delete ui;
}

void DialogImage::ouvrir(){
    QString m_FichierImage =QFileDialog::getOpenFileName(this, "Ouvrir un fichier", QString(),
                                                         "Images (*.png *.gif *.jpg *.jpeg *.bmp)");
    img = new QPixmap(m_FichierImage);
}