#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "path.h"

#include <QFileDialog>
#include <QMessageBox>


#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>


MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
    delete currentPath;

    for(Path* p : path) {
        delete p;
    }
}

void MainWindow::updatePathView()
{

}

void MainWindow::updateStepView(size_t num)
{

}

void MainWindow::onTextChanged()
{
    textChanged = true;
}

void MainWindow::loadPath()
{
    QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
    if(fileName.isEmpty()) return;
    QFile file(fileName);
    if(!file.open(QIODevice::ReadOnly | QFile::Text)) {
        QMessageBox::warning(this, "Warning", "Fichier non valide" + file.errorString());
        return;
    }

    file.close();
    Path* p = new Path(&file);
    currentPath = p;
    path.append(p);

    ui->titleEdit->setText(p->getName());
    ui->locEdit->setText(p->getCity());
    ui->diffSpin->setValue(p->getDifficulty());
    ui->lengthSpin->setValue(p->getLength());
    ui->durationSpin->setValue(p->getDuration());
    ui->imagePath->setText(p->getImage());
    ui->depSpin->setValue(p->getDepartement());

    loadImage(p->getImage());
}

void MainWindow::addNewPath()
{

}

void MainWindow::addNewStep()
{

}

void MainWindow::exportHTMLMap()
{

}

void MainWindow::loadImage(QString fileName) {

    QString ext[] = {"png", "jpeg", "jpg"};

    QFile file(fileName);
    if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
        QMessageBox::warning(this, "Warning", "Cannot open file: " +
                                                  file.errorString());
        return;
    }
    QString text = file.fileName();

    bool acceptedExt = false;
    for(QString e : ext) {
        if(text.endsWith(e)) acceptedExt = true;
    }

    if(!acceptedExt) {
        QMessageBox::warning(this, "Warning", "Format de fichier incorrect");
        return;
    }


    ui->imagePath->setText(text);


    QPixmap px(fileName);

    ui->imageLbl->setPixmap(px);

    file.close();

}

void MainWindow::on_pushButton_clicked()
{
    QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
    if (fileName.isEmpty()) return;
    this->loadImage(fileName);
}


void MainWindow::on_actionOpen_triggered()
{
    this->loadPath();
}

void MainWindow::on_toolButton_clicked()
{
    QString fileName = ui->imagePath->text();
    if(fileName.isEmpty()) return;
    loadImage(fileName);
}

void MainWindow::saveFile(){
    QString fileName;
    if (currentFile.isEmpty()) {
        fileName = QFileDialog::getSaveFileName(this, "Save");
        currentFile = fileName;
    } else {
        fileName = currentFile;
    }
    QFile file(fileName);
    if (!file.open(QIODevice::WriteOnly | QFile::Text)) {
        QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
        return;
    }
    setWindowTitle(fileName);
    QJsonObject json;
    json["name"] = ui->titleEdit->text();
    json["city"] =ui->locEdit->text();
    json["departement"] = ui->depSpin->text();
    json["difficulty"] = ui->diffSpin->value();
    json["duration"] = ui->durationSpin->value();
    json["length"] = ui->lengthSpin->value();
    json["image"] = ui->imagePath->text();

    QJsonArray steps;
    int cpt=0;
    for(Step step: currentPath->getStep()){
        cpt++;
        QJsonObject stepObject;
        stepObject["numero"] = cpt;
        stepObject["title"] = step.getTitle();
        stepObject["GPS"] = step.toGPSFormat();
        stepObject["reponse"] = step.getResponse();
        QJsonArray dialogues;
        for(int i=0; i<step.getListeDialogue().size(); i++){
            QJsonObject dialogueObject;
            dialogueObject["personnage"] = step.getListePersonnage()[i];
            dialogueObject["texte"] = step.getListeDialogue()[i];
            dialogues.append(dialogueObject);
        }
        stepObject["dialogue"] = dialogues;
        steps.append(stepObject);
    }
    json["steps"] = steps;

    QJsonDocument doc(json);
    file.write(doc.toJson());

    file.close();
}

void MainWindow::on_actionSave_triggered()
{
    this->saveFile();
}