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

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

    treeWidget = new QTreeWidget();
    ui->horizontalLayout_1->addWidget(treeWidget);

    preparationTreeWidget();
}

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

void FIMtasksWidget::loadTasksAmmFimFromXML(QByteArray array)
{
    listTaskAmmFim.clear();

    QDomDocument docTasksDOM;

    docTasksDOM.setContent(array);

    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())
            {
                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())
                        {
                            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());

    return;
}

void FIMtasksWidget::fillTree()
{
    for(int i = 0; i < listTaskAmmFim.count(); i++)
    {/*Задачи*/
        TaskAmmFim task = listTaskAmmFim.at(i);

        QTreeWidgetItem* itemTask = new QTreeWidgetItem();

        itemTask->setText(0, task.title);
        itemTask->setText(1, QString::number(task.id));
        itemTask->setFlags(itemTask->flags() | Qt::ItemIsUserCheckable);
        itemTask->setCheckState(0, Qt::Checked);
        itemTask->setIcon(0, QIcon(":/resources/icons/procedure.png"));

        treeWidget->addTopLevelItem(itemTask);

        for (int j = 0; j < task.malfunctionList.count(); j++)
        {/*Неисправности*/
            Malfunction malfunction = task.malfunctionList.at(j);

            QTreeWidgetItem* itemMalfunction = new QTreeWidgetItem();

            itemMalfunction->setText(0, malfunction.description);
            itemMalfunction->setFlags(itemMalfunction->flags() | Qt::ItemIsUserCheckable);
            itemMalfunction->setCheckState(0, Qt::Checked);
            itemMalfunction->setIcon(0, QIcon(":/resources/icons/malfunction.png"));

            itemTask->addChild(itemMalfunction);

            for (int k = 0; k < malfunction.malfunctionSigns.count(); k++)
            {/*Сигнализация*/
                MalfunctionSign sign = malfunction.malfunctionSigns.at(k);

                QTreeWidgetItem* itemSign = new QTreeWidgetItem();

                itemSign->setText(0, sign.description);
                //itemSign->setFlags(itemSign->flags() | Qt::ItemIsUserCheckable);
                //itemSign->setCheckState(0, Qt::Checked);
                itemSign->setIcon(0, QIcon(":/resources/icons/sign.png"));

                itemMalfunction->addChild(itemSign);
            }
        }
    }
}

void FIMtasksWidget::preparationTreeWidget()
{
    treeWidget->setColumnCount(2);

    reSetHeadTreeWidget();

    treeWidget->setColumnWidth(ColumnsTree::clmn_ID, 20);
    treeWidget->setColumnWidth(ColumnsTree::clmn_Title, 500);

    //treeWidget->setColumnHidden(ColumnsTree::clmn_ID, true);
}

void FIMtasksWidget::reSetHeadTreeWidget()
{
    QStringList listHeaders = {tr("Title"), tr("ID")};
    treeWidget->setHeaderLabels(listHeaders);
}

void FIMtasksWidget::slot_NeedUpdateUI()
{
    loadTasksFIM();
}

void FIMtasksWidget::loadTasksFIM()
{
    //Обновление дерева
    treeWidget->clear();

    QByteArray array = connectorToServer->getListTaskFimArray();
    loadTasksAmmFimFromXML(array);

    //собственно обновление дерева
    fillTree();
}

void FIMtasksWidget::on_btnUpdateTasks_clicked()
{
    connectorToServer->sendQueryTasksXML("fim");
}