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


#include <QDebug>
#include <QStandardItemModel>

#include <QStandardItem>
#include <QStringListModel>


#include <QAbstractItemModel>
#include <QListView>
#include <QVariant>
#include "model.h"
#include <cstdlib>
#include <stdlib.h>

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

    testCmdAlternative();
}

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



int MainWindow::testCmdAlternative() {

    FILE *in;
    char buff[512];

    if(!(in = popen("export", "r"))){
        return 1;
    }


//   TableModel *model = new TableModel(4, 2, this);

//    ui->tableView->setModel(model);

//    ui->tableView->horizontalHeader()->setModel(model);

//    for (int row = 0; row < 4; ++row) {
//        for (int column = 0; column < 2; ++column) {
//            QModelIndex index = model->index(row, column, QModelIndex());
//            model->setData(index, QVariant(QString("(%1, %2)").arg(row).arg(column)));
//        }
//    }


    QStringList envVarNames;
    QStringList envVarPaths;

    int row = 1;

    while(fgets(buff, sizeof(buff), in)!=NULL){

        // cout << buff << "TEST " << endl;
        string envPathVar = buff;

        //        string envPathVar = cmdResultList.at(i).toLocal8Bit().data();
        //        // Convert to QString variable
        QString envPathVarQ = QString::fromStdString(envPathVar);

        //        // Split PATH=/path/to/lib at the = to get varName and varPath(s)
        QStringList nameSplitPath = envPathVarQ.split("=");

        qDebug() << "AT0" << nameSplitPath.at(0).toLocal8Bit().data();
        qDebug() << "AT0" << nameSplitPath.at(1).toLocal8Bit().data();

        //        // Add EnvPath name to list
        string envVarNameString = nameSplitPath.at(0).toLocal8Bit().data();
        QString envVarName = QString::fromStdString(envVarNameString);
        envVarNames.append(envVarName);

        //        // Add EnvPath path to list
        string envVarPathString = nameSplitPath.at(1).toAscii().data();
        QString envVarPath = QString::fromStdString(envVarPathString);
        envVarPaths.append(envVarPath);



        /********************8 Add Path name to list*****************/
        QString itemText = envVarName.replace("export",  "");
        QListWidgetItem *newItem = new QListWidgetItem;
        newItem->setText(itemText);

        ui->pathNameListWidget->insertItem(row, newItem);
        row++;

    }
    pclose(in);

    return 0;
}


void MainWindow::on_pathNameListWidget_currentRowChanged(int currentRow)
{
    QString currentVal = (ui->pathNameListWidget->currentIndex().data().toString());

    currentVal.trimmed();
    currentVal.remove(" ");
    // Convert QString to const char*
    QByteArray currentValByteArray = currentVal.toUtf8();
    const char *envVariable = currentValByteArray.data();


    const char *getEnvPaths = getenv(envVariable);

    qDebug() << "char " <<  strlen(envVariable);
    qDebug() << getEnvPaths;

    if(getEnvPaths == NULL){
        qDebug() << "getenv is null";
    }
    // Set table model
    TableModel *tableModel = new TableModel(5, 1, this);
    ui->tableView->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
    ui->tableView->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableView->setEditTriggers(QAbstractItemView::DoubleClicked);

    int row = 0;

    QModelIndex index = tableModel->index(row, 0, QModelIndex());
    // Set table column data
    tableModel->setData(index, getEnvPaths, Qt::ItemIsEditable);

    ui->tableView->setModel(tableModel);

}