#include <QDomDocument>
#include <QFile>
#include <QMessageBox>
#include "fimtaskswidget.h"
#include "ui_fimtaskswidget.h"
#include "tasksAmmFim.h"

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

    loadTasksAmmFimFromXML();
    updateListWidget();
}

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

void FIMtasksWidget::loadTasksAmmFimFromXML()
{
    QDomDocument docTasksDOM;
    QString xmlFileName = "./tasksFIM.xml";
    QFile xmlInFile(xmlFileName);
    if (!xmlInFile.open(QFile::ReadOnly | QFile::Text))
    {
        QMessageBox::critical(nullptr, tr("Attention!"), tr("The file could not be opened ") + xmlFileName);
        return;
    }
    else
    {
        docTasksDOM.setContent(xmlInFile.readAll());
        xmlInFile.close();

        QDomElement RRJTasksElement = docTasksDOM.firstChildElement("RRJTasks");
        if(RRJTasksElement.isNull())
            return;

        QDomElement taskElement = RRJTasksElement.firstChildElement();
        if(taskElement.isNull())
            return;

        do
        {/*task*/
            QString name = taskElement.nodeName();
            QDomNamedNodeMap nodeMap = taskElement.attributes();

            if(name == "task")
            {
                TaskAmmFim task;

                task.initialize(nodeMap.namedItem("id").nodeValue().toInt(),
                                 nodeMap.namedItem("type").nodeValue(),
                                 nodeMap.namedItem("title").nodeValue(),
                                 nodeMap.namedItem("status").nodeValue(),
                                 nodeMap.namedItem("created").nodeValue(),
                                 nodeMap.namedItem("changed").nodeValue());

                QDomElement malfunctionElement = taskElement.firstChildElement();
                if(malfunctionElement.isNull())
                    break;

                do
                {/*malfunction*/
                    QString name = malfunctionElement.nodeName();
                    QDomNamedNodeMap nodeMap = malfunctionElement.attributes();

                    if(name == "malfunction")
                    {
                        Malfunction malfunction;

                        malfunction.initialize(nodeMap.namedItem("dmCode").nodeValue(),
                                               nodeMap.namedItem("num").nodeValue(),
                                               nodeMap.namedItem("description").nodeValue());

                        QDomElement signElement = malfunctionElement.firstChildElement();
                        if(signElement.isNull())
                            break;

                        do
                        {/*malfunctionSign*/
                            QString name = signElement.nodeName();
                            QDomNamedNodeMap nodeMap = signElement.attributes();

                            if(name == "malfunctionSign")
                            {
                                MalfunctionSign sign;

                                sign.initialize(nodeMap.namedItem("type").nodeValue().toInt(),
                                                nodeMap.namedItem("description").nodeValue());

                                malfunction.addMalfunctionSign(sign);
                            }

                        }while(! (signElement = signElement.nextSiblingElement()).isNull());

                        task.addMalfunction(malfunction);
                    }

                }while(! (malfunctionElement = malfunctionElement.nextSiblingElement()).isNull());

                listTaskAmmFim.append(task);
            }
        }while (! (taskElement = taskElement.nextSiblingElement()).isNull());
    }
}

void FIMtasksWidget::updateListWidget()
{
    for(TaskAmmFim taskFim : listTaskAmmFim)
    {
        addTaskFimToListWidget(taskFim);
    }
}

void FIMtasksWidget::addTaskFimToListWidget(TaskAmmFim taskFim)
{

}