// settingswidget.cpp

#include <QPushButton>
#include <QLabel>
#include <QLayout>
#include <QIntValidator>

#include "settingswidget.h"

SettingsWidget::SettingsWidget(QWidget *parent)
:   QDialog(parent),
    max_iter(new QLineEdit("", this)),
    width(new QLineEdit("", this)),
    height(new QLineEdit("", this)),
    center_f_x(new QLineEdit("", this)),
    center_f_y(new QLineEdit("", this)),
    one(new QLineEdit("", this))
{
    static QStringList labels = {
        "max_iter", "width", "height", "x", "y", "one"
    };
    static QList<QLineEdit*> line_edits = {
        max_iter, width, height, center_f_x, center_f_y, one
    };
    QPushButton *apply_button = new QPushButton("Apply");
    QGridLayout *grid_layout = new QGridLayout(this);
    int i;
    setLayout(grid_layout);
    for (i = 0; i < line_edits.size(); i++) {
        grid_layout->addWidget(new QLabel(labels[i], this), i, 0);
        if (i == 0)
            line_edits[i]->setValidator(
                new QIntValidator(0, INT_MAX, line_edits[i])
            );
        else
            line_edits[i]->setReadOnly(true);
        line_edits[i]->setMinimumWidth(256);
        grid_layout->addWidget(line_edits[i], i, 1);
    }
    connect(
        apply_button,
        &QPushButton::clicked,
        this,
        &SettingsWidget::apply
    );
    grid_layout->addWidget(apply_button, i, 1);
}

void SettingsWidget::update_fields(
    const MandelParams &params, const bool is_finished
) {
    QSize size = params.get_size();
    MpzPoint center_f = params.get_center_f();
    max_iter->setText(QString::number(params.get_max_iter()));
    width->setText(QString::number(size.width()));
    height->setText(QString::number(size.height()));
    center_f_x->setText(QString::fromStdString(center_f.get_x().get_str()));
    center_f_y->setText(QString::fromStdString(center_f.get_y().get_str()));
    one->setText(QString::fromStdString(params.get_one().get_str()));
    set_finished(is_finished);
}

void SettingsWidget::apply() {
    if (is_finished)
        accept();
    else
        reject();
}