#include "curve.h"


Curve::Curve(Marker* m, Sample* s, Playback* p) {
	marker = m;
	sample = s;
	playback = p;
	tempo = 90;
	selMarker = -1;
	beatResolution = 1;
	_showIntLine = false;
	_update = true;
}


Curve::~Curve() {
	delete[] sample;
	delete[] marker;
}


float Curve::get(float nn) {
	return sample->getOld(marker->new2old(marker->nnew2new(nn)));
}


float Curve::getMin(float nn, float l, int n) {
	float min = 1;
	for (int i = 0; i < n; ++i) {
		float g = get(nn + l * i / (float)n);
		if (g < min) {
			min = g;
		}
	}
	return min;
}


float Curve::getMax(float nn, float l, int n) {
	float max = -1;
	for (int i = 0; i < n; ++i) {
		float g = get(nn + l * i / (float)n);
		if (g > max) {
			max = g;
		}
	}
	return max;
}


float Curve::getSeeker() {
	return playback->getSeeker();
}


float Curve::getBars() {
	if (sample->sfinfo.samplerate != 0) {
		int beats = sample->getGuessedLength() / sample->sfinfo.samplerate;
		beats *= tempo / 60 / 4;
		if (beats != 0) {
			return beats;
		}
	}
	return 1;
}


void Curve::setTempo(int bpm) {
	tempo = bpm;
}


int Curve::getTempo() {
	return tempo;
}


void Curve::setBeatResolution(float n) {
	beatResolution = n;
}


float Curve::getBeatResolution() {
	return beatResolution;
}


void Curve::addMarker() {
	float n = marker->nnew2new(getSeeker());
	marker->add(marker->new2old(n),n);
	selMarker = marker->getAreaNew(n);
}


void Curve::removeMarker() {
	if (selMarker < 0) {
		return;
	}
	marker->remove(selMarker);
	selMarker = -1;
}


void Curve::setMarker(float nn) {
	if (selMarker < 0) {
		return;
	}
	int i = marker->getAreaNew(marker->nnew2new(nn));
	if (i != selMarker && i != selMarker - 1) {
		return;
	}
	marker->setNew(selMarker, marker->nnew2new(nn));
}


void Curve::selectMarker(int i) {
	selMarker = i;
}


int Curve::getMarkerLength() {
	return marker->getLength();
}


float Curve::getMarker(int i) {
	return marker->new2nnew(marker->getNew(i));
}


void Curve::clearMarker() {
	marker->reset();
}