#include "mycanvas.h"
#include <qpainter.h>
#include <qpen.h>
#include <qsize.h>
#include <qwidget.h>

void MyCanvas::ColorAxis(QPaintEvent *event, QPainter *painter, double step, double max) {
    double centerX = event->rect().width()/2;
    double centerY = event->rect().height()/2;
    painter->setPen(QPen(QColor(0,0,0)));
    painter->drawLine(QLineF(centerX, 0, centerX, event->rect().height()));
    painter->drawLine(QLineF(0, centerY, event->rect().width(), centerY));
    for (double x = 0; x<max; x+=step) {
        painter->drawText(transposePoint(x, 0, max, max),
                          QString::number(x, 'f', 2));
    }
    for (double x = 0; x>-max; x-=step) {
        painter->drawText(transposePoint(x, 0, max, max),
                          QString::number(x, 'f', 2));
    }
    for (double y = 0; y<max; y+=step) {
        painter->drawText(transposePoint(0, y, max, max),
                          QString::number(y, 'f', 2));
    }
    for (double y = 0; y>-max; y-=step) {
        painter->drawText(transposePoint(0, y, max, max),
                          QString::number(y, 'f', 2));
    }
}

MyCanvas::MyCanvas(QWidget *parent) : QWidget(parent) {
  // chart()->setTitle("Фазовое распределение антенных решеток");
  // chart()->legend()->hide();

  // QValueAxis *qAxisX = new QValueAxis();
  // QValueAxis *qAxisY = new QValueAxis();
  // qAxisX->setRange(-1, 1);
  // qAxisY->setRange(-1, 1);
  // chart()->addAxis(qAxisX, Qt::AlignLeft);
  // chart()->addAxis(qAxisY, Qt::AlignBottom);
}

void MyCanvas::drawState(ToPaintState state) {
  this->state = state;
  this->update();
}

void MyCanvas::paintEvent(QPaintEvent *event) {
  QPainter painter(this);
  painter.fillRect(event->rect(), QColor(255,255,255));


  switch (this->state.type) {
  case 1:
    for (int i = 0; i < this->radar.FIzlArray.size(); ++i) {

      int c = i % 4;
        painter.setPen(QPen(QColor(63 * c, 255 - 63 * c, 163 * c)));

      TIzl izls = radar.FIzlArray[i];
      QRectF rect = this->transposeRect(izls.IzPos.Z - 0.0085, izls.IzPos.Y - 0.0115, izls.IzPos.Z + 0.0085, izls.IzPos.Y + 0.0115, state.axisX, state.axisY);
      painter.drawRect(rect);
    }

  case 2:
    // IAmpIzls
    this->ColorAxis(event, &painter, state.axisX/5, state.axisX);

    for (int i = 0; i < this->radar.FIzlArray.size(); ++i) {

      TIzl izls = radar.FIzlArray[i];
      painter.setPen(QPen(QColor::fromHsvF(izls.Amplitude, 1, 1)));

      QRectF rect = this->transposeRect(izls.IzPos.Z - 0.008, izls.IzPos.Y - 0.011, izls.IzPos.Z + 0.008, izls.IzPos.Y + 0.011, state.axisX, state.axisY);
      painter.drawRect(rect);
    }
    break;
  case 3:
    // FazIzls
    this->ColorAxis(event, &painter, state.axisX/5, state.axisX);

    for (int i = 0; i < this->radar.FIzlArray.size(); ++i) {

      TIzl izls = radar.FIzlArray[i];
      double faz = frac(izls.Fase*0.5/M_PI)*2/M_PI;
      painter.setPen(QPen(QColor::fromHsvF(faz, 1,1)));

      QRectF rect = this->transposeRect(
          izls.IzPos.Z - 0.008, izls.IzPos.Y - 0.011, izls.IzPos.Z + 0.008, izls.IzPos.Y + 0.011,
          state.axisX, state.axisY);
      painter.drawRect(rect);
    }
    break;
  case 4:
    // DN
    this->ColorAxis(event, &painter, state.axisX/5, state.axisX);

    for (int i = 0; i < this->FDNMass.size(); ++i) {
      for (int j = 0; j < this->FDNMass[i].size(); ++j) {
          TColPoint mass = FDNMass[i][j];
          QPen pen = QPen(QColor(0,0,0));
          painter.setPen(pen);

          QPointF point = transposePoint(mass.x, mass.y, state.axisX, state.axisY);
          painter.drawPoint(point);
      }
    }
    break;
  }

  // chart()->addSeries(series1);
}



QPointF MyCanvas::transposePoint(double x, double y, double axisX, double axisY) {
  double cwidth = static_cast<double>(width())/(axisX*2);
  double cheight = static_cast<double>(height())/(axisY*2);

  double zeroX = width()/2;
  double zeroY = height()/2;

  QPointF point(zeroX + (x * cwidth), zeroY + (y * cheight));
  return point;
}

QRectF MyCanvas::transposeRect(double x, double y, double x2, double y2, double axisX, double axisY) {
  return  QRectF(transposePoint(x, y, axisX, axisY), transposePoint(x2, y2, axisX, axisY));
}