// Name: Sean Smith
// Class and Section: CS 54, Section <n>
// Date: April 17, 2007
// Purpose: Implementation of the different bands for the templated Radio

#include "bands.h"

/* default AM constructor */
AM::AM()
{
  setFrequency(1337);
  setStereo(true);
}

/* initialization AM constructor */
AM::AM(int newFrequency, bool newStereo)
{
  /* set default values first in case passed in values are FUBAR */
  setFrequency(1337);
  setStereo(true);

  /* now set the passed in values; they will change if they're valid */
  setFrequency(newFrequency);
  setStereo(newStereo);
}

/* returns whether the broadcast is in stereo */
bool AM::inStereo() const
{
  return stereo;
}

/* returns the frequency the broadcast is on */
int AM::getFrequency() const
{
  return frequency;
}

/* prints information about the broadcast */
void AM::print() const
{
  cout << "Frequency: " << frequency << " kHz" << endl;
  cout << "Stereo   : ";
  if (stereo)
    cout << "yes" << endl;
  else
    cout << "no" << endl;
}

/* changes the frequency of the broadcast */
void AM::setFrequency(int newFrequency)
{
  if (newFrequency >= 530 && newFrequency <= 1710)
    frequency = newFrequency;
}

/* changes whether the broadcast is in stereo */
void AM::setStereo(bool newStereo)
{
  /* this trick will force the stereo value to strictly 0 or 1 */
  if (newStereo)
    stereo = true;
  else
    stereo = false;
}

/* default FM constructor */
FM::FM()
{
  setFrequency(89.7);
  setStereo(true);
}

/* initialization FM constructor */
FM::FM(double newFrequency, bool newStereo)
{
  /* set default values first in case passed in values are FUBAR */
  setFrequency(89.7);
  setStereo(true);

  /* now set the passed in values; they will change if they're valid */
  setFrequency(newFrequency);
  setStereo(newStereo);
}

/* returns whether the broadcast is in stereo */
bool FM::inStereo() const
{
  return stereo;
}

/* returns the frequency the broadcast is on */
double FM::getFrequency() const
{
  return frequency;
}

/* prints information about the broadcast */
void FM::print() const
{
  cout << "Frequency: " << frequency << " MHz" << endl;
  cout << "Stereo   : ";
  if (stereo)
    cout << "yes" << endl;
  else
    cout << "no" << endl;
}

/* changes the frequency of the broadcast */
void FM::setFrequency(double newFrequency)
{
  if (newFrequency > 87.7 && newFrequency < 108.0)
    frequency = newFrequency;
}

/* changes whether the broadcast is in stereo */
void FM::setStereo(bool newStereo)
{
  /* this trick will force the stereo value to strictly 0 or 1 */
  if (newStereo)
    stereo = true;
  else
    stereo = false;
}

/* default IceCast constructor */
IceCast::IceCast()
{
  setURL("http://web.umr.edu/~kmnr/raudio/kmnr.m3u");
  setBitRate(49152);
}

/* initialization IceCast constructor */
IceCast::IceCast(string newURL, int newBitRate)
{
  /* set default values first in case passed in values are FUBAR */
  setURL("http://web.umr.edu/~kmnr/raudio/kmnr.m3u");
  setBitRate(49152);

  /* now set the passed in values; they will change if they're valid */
  setURL(newURL);
  setBitRate(newBitRate);
}

/* returns the sampling rate of the IceCast */
int IceCast::getBitRate() const
{
  return bitRate;
}

/* returns the URL of the IceCast */
string IceCast::getURL() const
{
  return url;
}

/* prints information about the broadcast */
void IceCast::print() const
{
  cout << "Streaming From: " << url << endl
       << "Sampling Rate : " << bitRate << " bps" << endl;
}

/* sets the sampling rate of the IceCast */
void IceCast::setBitRate(int newBitRate)
{
  bool valid = false;
  unsigned short i;

  /* see if the new bit rate is valid */
  for (i = 0; i < NUM_BITRATES; i++)
    if (newBitRate == validBitRates[i])
    {
      valid = true;
      break;
    }

  /* if so, set it! */
  if (valid)
    bitRate = newBitRate;
}

/* sets the URL of the IceCast */
void IceCast::setURL(string newURL)
{
  url = newURL;
}