module tuner;

import amplifier;
import std.stdio : writeln;
import std.conv : to;

class Tuner
{
    private string description;
    private Amplifier amplifier;
    private double frequency;

    this(string description, Amplifier amplifier)
    {
        this.description = description;
        this.amplifier = amplifier;
    }

    void on()
    {
        writeln(description ~ " on");
    }

    void off()
    {
        writeln(description ~ " off");
    }

    void setFrequency(double frequency)
    {
        writeln(description ~ " setting frequency to " ~ frequency.to!string);
        this.frequency = frequency;
    }

    void setAm()
    {
        writeln(description ~ " setting AM mode");
    }

    void setFm()
    {
        writeln(description ~ " setting FM mode");
    }

    override string toString() const
    {
        return description;
    }
}