/*

Assignment 3- Classes
  
radio_orz.cpp

Tom Orzechowski
	orzecht1@lasalle.edu

This is the cpp file for the radio class

*/

#include "radio_orz.h"

//constructors for the class
Radio::Radio() : station(101.1), volume(2), on(false)	{
	for(int count=0; count<6; count++)
		preset[count]=0;
	
}


Radio:: Radio(bool onstart, double stationstart, int volumestart) : on(onstart) ,station(stationstart), volume(volumestart) 	{
	for(int count=0; count<6; count++)
		preset[count]=0;
	
}


void Radio::TogglePower(){
			//toggles between the power being on off
if(on)
	on=false;
else
	on=true;
}


bool Radio::TuneUp(){
			//goes up a radio station by .4
			//and reports whether not it was successfull
	if(station+.4<=108.9){//checks to make sure that the station can be tuned up further
		station+=.4;
		return true;
	}
	return false;
}


bool Radio::TuneDown(){
			//goes down a radio station by .4
			//and reports whether not it was successfull
	if(station-.4>=87.8){//checks to make sure that the station can be tuned down further
		station-=.4;
		return true;
	}
	return false;
}


bool Radio::VolumeUp(){
			// increases volume by 1 (max 10)
			//and reports whether not it was successfull
	if(volume+1<=10){//checks to make sure that the volume can be increased
		volume++;
		return true;
	}
	else
		return false;
}


bool Radio::VolumeDown(){
			// decreases volume by 1 (min 0)
			//and reports whether not it was successfull
	if(volume-1>=0){//checks to make sure that the volume can be reduced
		volume=volume-1;
		return true;
	}
	else
		return false;
}


bool Radio::Preset(int number){
			//presets current station (buttons 1-6)
			//and reports if it was successfull
	if(number>0 && number<=6){//checks that the number sent is valid
		preset[number-1]=station;
		return true;
	}
	return false;
}


bool Radio::GoPreset(int number){
			//goes to preset station and reports whether or not it
			//was successfull
	if(number>0 && number<=6){//checks for valid input
		if(preset[number-1]!=0){//checks that the preset station has a value
			station=preset[number-1];
			return true;
		}
	}
	return false;
}

//the following are simple functions used to return the station, volume, and on values 
double Radio::GetStation(){
	return station;
}

int Radio::GetVolume(){
	return volume;
}

bool Radio::GetStatus(){
	return on;
}

ostream& operator << (ostream & strOut, Radio & myRadio){//allows for the class to be used with cout
	if(myRadio.GetStatus()){
		strOut<<"Power: ON   Station: "<<myRadio.GetStation()<<" Volume: "<<myRadio.GetVolume()<<endl;
		return strOut;
	}
	else{
		strOut<<"Power: OFF  Station: ------- Volume: --------"<<endl;
		return strOut;
	}
}