#include "AngleAdjTool.h"
#include "ui_AngleAdjTool.h"
#include "math.h"
#include <qgraphicsscene.h>
#include <qgraphicsitem.h>

#define PI 3.1415926

AngleAdjTool::AngleAdjTool(QWidget *parent) :
    QDialog(parent),
    Ang_UI(new Ui::AngleAdjTool)
{
    Ang_UI->setupUi(this);
	setWindowFlags(windowFlags()& ~Qt::WindowMaximizeButtonHint);
	setFixedSize(this->width(), this->height());
	this->setWindowFlags(this->windowFlags() |Qt::Dialog);
	this->setWindowModality(Qt::ApplicationModal);

	connect(Ang_UI->okButton, SIGNAL(clicked()), this, SLOT(accept()));
	connect(Ang_UI->cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
	connect(Ang_UI->cancelButton, SIGNAL(clicked()), this, SLOT(cancelAngle_SLOT()));

	maxSlider = 50;
	minSlider = -50;
	Ang_UI->headSlider->setMinimum(minSlider);
	Ang_UI->headSlider->setMaximum(maxSlider);
	Ang_UI->headSlider->setSingleStep(1);
	Ang_UI->tailSlider->setMinimum(minSlider);
	Ang_UI->tailSlider->setMaximum(maxSlider);
	Ang_UI->tailSlider->setSingleStep(1);
	Ang_UI->head_spinBox->setRange(minSlider, maxSlider);
	Ang_UI->tail_spinBox->setRange(minSlider, maxSlider);
	Ang_UI->head_spinBox->setValue(0);
	Ang_UI->tail_spinBox->setValue(0);
	connect(Ang_UI->head_spinBox, SIGNAL(valueChanged(int)), Ang_UI->headSlider, SLOT(setValue(int)));
    //connect(Ang_UI->headSlider, SIGNAL(valueChanged(int)), Ang_UI->head_spinBox, SLOT(setValue(int)));
	connect(Ang_UI->tail_spinBox, SIGNAL(valueChanged(int)), Ang_UI->tailSlider, SLOT(setValue(int)));
    connect(Ang_UI->tailSlider, SIGNAL(valueChanged(int)), Ang_UI->tail_spinBox, SLOT(setValue(int)));
	connect(Ang_UI->headSlider, SIGNAL(valueChanged(int)), this, SLOT(headAdd(int)));
	connect(Ang_UI->tailSlider, SIGNAL(valueChanged(int)), this, SLOT(tailAdd(int)));
	connect(Ang_UI->headSlider, SIGNAL(valueChanged(int)), this, SLOT(headLinkTail_SLOT(int)));
	connect(Ang_UI->headSlider, SIGNAL(valueChanged(int)), this, SLOT(calcuAngle()));
	connect(Ang_UI->tailSlider, SIGNAL(valueChanged(int)), this, SLOT(calcuAngle()));
	
	scene = new QGraphicsScene;	
	lineItem = new QGraphicsLineItem(0,0, 0,110);
	initGraph();
	scene->addItem(lineItem);
	Ang_UI->graphicsView->setScene(scene);

	connect(Ang_UI->head_lineEdit, SIGNAL(textChanged(QString)),this,SLOT(sdepChange_SLOT()));
	connect(Ang_UI->tail_lineEdit, SIGNAL(textChanged(QString)),this,SLOT(edepChange_SLOT()));
	
}

AngleAdjTool::~AngleAdjTool()
{
    delete Ang_UI;
	delete scene;
	//delete lineItem;
}

void AngleAdjTool::depCheck()
{
	if(Sdep < realSdep){Sdep = realSdep;Ang_UI->head_lineEdit->setText(QString("%1").arg(Sdep));}
	if(edep > realEdep){edep = realEdep;Ang_UI->tail_lineEdit->setText(QString("%1").arg(edep));}
	if(edep < Sdep)edep = Sdep;

}

void AngleAdjTool::setAngDep(float rsd, float red, float sd, float ed)
{
	realSdep = rsd; 
	realEdep = red;
	Sdep = sd; 
	edep = ed;

	depCheck();
	Ang_UI->head_lineEdit->setText(QString("%1").arg(Sdep));
	Ang_UI->tail_lineEdit->setText(QString("%1").arg(edep));
	
	Ang_UI->head_lineEdit->setValidator(new QIntValidator(-99999,99999,this));
	Ang_UI->tail_lineEdit->setValidator(new QIntValidator(-99999,99999,this));
}

void AngleAdjTool::setLineEditable()
{
	setHeadTailValue(0,0);
	Ang_UI->head_lineEdit->setEnabled(true);
	Ang_UI->tail_lineEdit->setEnabled(true);
}
void AngleAdjTool::setHeadTailValue(int head, int tail)
{
	Ang_UI->head_spinBox->setValue(head);
	Ang_UI->tail_spinBox->setValue(tail);
}

void AngleAdjTool::setEachSetValue(float value)
{
	eachSetValue = value;
}

void AngleAdjTool::calcuAngle()
{
	QString t = Ang_UI->head_lineEdit->text();
	float headsValue = t.toFloat();
	t = Ang_UI->tail_lineEdit->text();
	float tailsValue = t.toFloat();

	float headOffset = Ang_UI->head_spinBox->value() / 10.0;
	float tailOffset = Ang_UI->tail_spinBox->value() / 10.0;

	float x = tailsValue - headsValue;
	float y = tailOffset - headOffset;
	float angle = atan2(y, x)*180/PI;

	Ang_UI->Angle_lineEdit->setText(QString("%1").arg(angle));

	emit sendAngleData(headsValue, tailsValue, headOffset, tailOffset, angle);
}

void AngleAdjTool::setSliderRange(int value)
{
	maxSlider = value / 2 * 10;
	minSlider = -1 * (value / 2 * 10);
	Ang_UI->headSlider->setMinimum(minSlider);
	Ang_UI->headSlider->setMaximum(maxSlider);

	Ang_UI->tailSlider->setMinimum(minSlider);
	Ang_UI->tailSlider->setMaximum(maxSlider);

	Ang_UI->head_spinBox->setRange(minSlider, maxSlider);
	Ang_UI->tail_spinBox->setRange(minSlider, maxSlider);
}

void AngleAdjTool::cancelAngle_SLOT()
{
	emit cancelAngle();
}

void AngleAdjTool::headLinkTail_SLOT(int changeValue)
{
	Ang_UI->head_lineEdit->setEnabled(false);
	Ang_UI->tail_lineEdit->setEnabled(false);
	int value = changeValue - Ang_UI->head_spinBox->value();
	Ang_UI->head_spinBox->setValue(changeValue);
	int tailSpinValue = Ang_UI->tail_spinBox->value();
	int tailSpinValue_2 = tailSpinValue + value;
	Ang_UI->tail_spinBox->setValue(tailSpinValue_2);
}

bool AngleAdjTool::calcuCurAve(float m_value[], int N)
{
	if(N / 2 < 2) return false;

	float headSum, tailSum;
	headSum = 0;
	//tailSum = 0;
	for(int i = 0; i < N; i++)
		headSum += m_value[i];
	headAve = headSum / N;
	/*
	for(int i = N/2; i < N; i++)
		tailSum += m_value[i];
	tailAve = tailSum / (N - (N/2));
	*/

	QString t = Ang_UI->head_lineEdit->text();
	float headsValue = t.toFloat();
	t = Ang_UI->tail_lineEdit->text();
	float tailsValue = t.toFloat();

	float x = (tailsValue - headsValue) / 2;
	float y = headAve - m_value[0];
	float angle = atan2(y, x)*180/PI;

	Ang_UI->aveAngle_lineEdit->setText(QString("%1").arg(angle));

	QPainter paint;
	paint.begin(Ang_UI->graphicsView);
	paint.setBrush(Qt::black);
	paint.drawRect(rect());

	float xSet = 110 * cos(angle*PI/180.0f);
	float ySet = xSet * tan(angle*PI/180.0f);
	lineItem->setLine(0, 0, ySet, xSet);
	lineItem->setPen(QPen(Qt::blue));
	Ang_UI->graphicsView->show();

	return true;
}

void AngleAdjTool::initGraph()
{
	QGraphicsLineItem *lineItems[19];
	
	int angle = -90;
	for(int i = 0; i < 19; i++){
		lineItems[i] = new QGraphicsLineItem(0,0,0,0);
		float xSet = 130 * cos((angle + i*10) * PI / 180.0f);
		float ySet = xSet * tan((angle + i*10) * PI / 180.0f);
		lineItems[i]->setLine(0, 0, ySet, xSet);
		lineItems[i]->setPen(QPen(Qt::lightGray));
		scene->addItem(lineItems[i]);
	}
}

void AngleAdjTool::tailAdd(int v)
{
	Ang_UI->head_lineEdit->setEnabled(false);
	Ang_UI->tail_lineEdit->setEnabled(false);
	float addchange = v/10 * eachSetValue;
	Ang_UI->lineEdit_2->setText(QString("%1").arg(addchange));
}
void AngleAdjTool::headAdd(int v)
{
	float addchange = v/10 * eachSetValue;
	Ang_UI->lineEdit->setText(QString("%1").arg(addchange));
}

void AngleAdjTool::sdepChange_SLOT()
{
	QString t = Ang_UI->head_lineEdit->text();
	Sdep = t.toFloat();
	depCheck();
}
void AngleAdjTool::edepChange_SLOT()
{
	QString t = Ang_UI->tail_lineEdit->text();
	edep = t.toFloat();
	depCheck();
}