#include<iostream.h>
#include"Thermtat.h"
#include"tstring.h"

//in this solution, the user merely uses the pre-set thermostat during its
//design stage.  It doesn't make sense that the user defines the thresh-hold
//of the thermostat, since there are fixed standards about the "Comfort Zone".

//class implementation
//the Thermostat temp is set to 23 deg, and has a tolerance of 1 deg.
Thermostat::Thermostat()
{
	tempSet=23;
	delta=1;
	switchMode=false;
}

//the switch is on for cold temperatures <=22, otherwise it's off
//for mild to hot temperatures.
void Thermostat::readTemp( double currenTemp)
{
	
	
	//since the switch is set off by default for 23 deg and above.  There is
	//no need to check the switch state, since the sensor triggers it on or of
	//for given temperatures
	if(currenTemp<(tempSet-delta))
		{
			switchMode=true;
		}

	else if(currenTemp<(tempSet+delta))
		{
			switchMode=false;
		}

}
//this fcn returns the state of the switch in 1 for true and 0 for false
bool Thermostat::switchState()
{
		return switchMode;
}




//main program
int main()
{
	
	String switchIt;
	double sensorTemp=14;	

	Thermostat test;// a test object is created	
		

	cout<<endl;
	cout<<" "<<" Room Tempertaure "<<'\t'<<" Switch Condition "<<endl;
	cout<<" "<<" ________________ "<<'\t'<<" ________________ "<<endl<<endl;
	
	
	//behaviour of the thermostat is studied from 14 to 32 degrees celsuis
	while((sensorTemp>=14) && (sensorTemp<=32))
	{		
		test.readTemp(sensorTemp);

		if(test.switchState()==true)
		{
			switchIt="on";
		}
		else
		{
			switchIt="off";
		}

		cout<<"     "<<sensorTemp<<'\t'<<'\t'<<'\t'<<'\t'<<switchIt<<endl;	
		sensorTemp++;
	}
	
		
	return 0;

}

/*
Run:

  Room Tempertaure       Switch Condition
  ________________       ________________

     14                         on
     15                         on
     16                         on
     17                         on
     18                         on
     19                         on
     20                         on
     21                         on
     22                         off
     23                         off
     24                         off
     25                         off
     26                         off
     27                         off
     28                         off
     29                         off
     30                         off
     31                         off
     32                         off
Press any key to continue

*/