#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "converttoseries.h"
#include <iostream>

using namespace QtCharts;

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    /*
    dataService = new DataService();
    dataService->moveToThread(&dataServiceThread);
    connect(&dataServiceThread, &QThread::finished, dataService, &QObject::deleteLater);
    connect(ui->goBtn, SIGNAL(clicked(bool)), dataService, SLOT(doWork()));
    connect(dataService, SIGNAL(resultReady()), this, SLOT(handleResult()));
    dataServiceThread.start();
    */
    connect(&dataQueue, SIGNAL(resultReady(QString)), this, SLOT(dataReady(QString)));
    //connect(&dataQueue, SIGNAL(finished()), &dataQueue, SLOT(deleteLater()));
    DataLoader *loader = new DataLoader();
    loader->moveToThread(&dataQueue);
    dataQueue.start();

    connect(ui->requestDataBtn, SIGNAL(clicked(bool)), this, SLOT(requestData()));
    file = nix::File::open("/home/grewe/zwischenlager/2017-08-17-af-invivo-1/2017-08-17-af-invivo-1.nix",
                           nix::FileMode::ReadOnly);

    //file = nix::File::open("/Users/jan/zwischenlager/threading_test/event_queue/DataService/data/2017-08-17-af-invivo-1.nix",
    //                      nix::FileMode::ReadOnly);
    nix::Block b = file.getBlock(0);
    this->voltage = b.getDataArray("V-1");
    this->eod = b.getDataArray("EOD");

    voltageChart = new QChart();
    voltageChart->legend()->hide();
    //voltageChart->createDefaultAxes();

    eodChart = new QChart();
    eodChart->legend()->hide();
    //eodChart->createDefaultAxes();


    chartMap.insert(std::pair<std::string, QChart*>(voltage.id(), voltageChart));
    chartMap.insert(std::pair<std::string, QChart*>(eod.id(), eodChart));

    voltageChart->setTitle(QString::fromStdString(this->voltage.name()));
    eodChart->setTitle(QString::fromStdString(this->eod.name()));
    QMargins margins = voltageChart->margins();
    int marg1 = margins.left();
    margins.setLeft(marg1 * 4);
    eodChart->setMargins(margins);
    voltageView = new QtCharts::QChartView(voltageChart);
    eodView = new QtCharts::QChartView(eodChart);

    voltageView->setRenderHint(QPainter::Antialiasing);
    eodView->setRenderHint(QPainter::Antialiasing);
    ui->vbox->addWidget(voltageView);
    ui->vbox->addWidget(eodView);
}


MainWindow::~MainWindow() {
    if (file) {
        file.close();
    }
    //dataServiceThread.quit();
    //dataServiceThread.wait();
    dataQueue.stop();
    dataQueue.quit();
    dataQueue.wait();
    delete ui;
}


void MainWindow::dataReady(QString requestId) {
    DataResult1D data = dataQueue.getData(requestId);
    if (data.id.empty()) {
        return;
    }
    ConvertToSeries *task = new ConvertToSeries();
    QLineSeries *series = new QLineSeries();
    task->setData(series, data);
    connect(task, SIGNAL(dataConverted(QLineSeries*,QString)), this, SLOT(dataConverted(QLineSeries*,QString)));
    QThreadPool::globalInstance()->start(task);
}


void MainWindow::dataConverted(QLineSeries *series, QString entityId) {
    QPen pen = series->pen();
    pen.setWidth(1);
    series->setPen(pen);
    chartMap[entityId.toStdString()]->addSeries(series);
}


void MainWindow::requestData() {
    if (voltage && eod) {
        nix::NDSize count(1, 10000);
        nix::NDSize start(1, 0);
        std::string vId, eodId;
        dataQueue.requestData(voltage, count, start, vId);
        dataQueue.requestData(eod, count, start, eodId);
    }
}