#include "AddCurveFileDlg.h"

#include <QFileDialog>
#include <QFileInfo>
#include <QMessageBox>

#include "ui_AddCurveFileDlg.h"

AddCurveFileDlg::AddCurveFileDlg(QWidget* parent)
    : BaseAddFileDlg(FileEntryType::Curve, parent)
    , ui(new Ui::AddCurveFileDlg) {
    
    ui->setupUi(this);
    SetTitle(getDialogTitle());
    setupSpecificUI();
}

AddCurveFileDlg::~AddCurveFileDlg() {
    delete ui;
}

void AddCurveFileDlg::setupSpecificUI() {
    ui->xColumnSpinBox->setValue(1);
    ui->yColumnSpinBox->setValue(2);
    ui->separatorComboBox->setCurrentIndex(0);
    ui->hasHeaderCheckBox->setChecked(true);
}

void AddCurveFileDlg::setupConnections() {
    connect(ui->selectFileBtn, &QToolButton::clicked, this, &AddCurveFileDlg::onSelectFileClicked);
    connect(ui->filePathEdit, &QLineEdit::textChanged, this, &AddCurveFileDlg::onFilePathChanged);
    connect(ui->addBtn, &QPushButton::clicked, this, &QDialog::accept);
    connect(ui->cancelBtn, &QPushButton::clicked, this, &QDialog::reject);
}

void AddCurveFileDlg::onSelectFileClicked() {
    QString fileName = QFileDialog::getOpenFileName(
        this,
        getDialogTitle(),
        QString(),
        getFileFilter()
    );
    
    if (!fileName.isEmpty()) {
        ui->filePathEdit->setText(fileName);
        updateFileInfo(fileName);
    }
}

void AddCurveFileDlg::onFilePathChanged() {
    QString filePath = ui->filePathEdit->text();
    if (!filePath.isEmpty()) {
        updateFileInfo(filePath);
    }
}

bool AddCurveFileDlg::validateSpecificParams() {
    if (ui->filePathEdit->text().trimmed().isEmpty()) {
        QMessageBox::warning(this, QStringLiteral("Warning"), 
                           QStringLiteral("Please select a curve data file."));
        return false;
    }
    
    QFileInfo fileInfo(ui->filePathEdit->text());
    if (!fileInfo.exists()) {
        QMessageBox::warning(this, QStringLiteral("Warning"), 
                           QStringLiteral("The selected file does not exist."));
        return false;
    }
    
    if (ui->xColumnSpinBox->value() == ui->yColumnSpinBox->value()) {
        QMessageBox::warning(this, QStringLiteral("Warning"), 
                           QStringLiteral("X and Y columns must be different."));
        return false;
    }
    
    return true;
}

QString AddCurveFileDlg::getFileFilter() const {
    return QStringLiteral("Curve Data Files (*.txt *.csv *.dat);;All Files (*.*)");
}

QString AddCurveFileDlg::getDialogTitle() const {
    return QStringLiteral("Add Curve Data File");
}

void AddCurveFileDlg::onDelimiterChanged() {
    // Handle delimiter change if needed
}

void AddCurveFileDlg::onHeaderToggled(bool hasHeader) {
    // Handle header toggle if needed
}

AddCurveFileDlg::CurveParams AddCurveFileDlg::getCurveParams() const {
    CurveParams params;
    params.xColumn = ui->xColumnSpinBox->value();
    params.yColumn = ui->yColumnSpinBox->value();
    
    // Get delimiter from combo box
    int index = ui->separatorComboBox->currentIndex();
    switch (index) {
        case 0: params.delimiter = ","; break;
        case 1: params.delimiter = "\t"; break;
        case 2: params.delimiter = " "; break;
        case 3: params.delimiter = ";"; break;
        default: params.delimiter = ","; break;
    }
    
    params.hasHeader = ui->hasHeaderCheckBox->isChecked();
    params.description = ui->descriptionEdit->toPlainText().trimmed();
    return params;
}