patterns/command/remoteundo/ceilingfan.d

module command.remoteundo.ceilingfan;

import std.stdio : writeln;

class CeilingFan
{
    private string location;
    private int level;

    static int HIGH = 2;
    static int MEDIUM = 1;
    static int LOW = 0;

    this(string location)
    {
        this.location = location;
    }
    
    void high()
    {
        level = HIGH;
        writeln(location ~ " ceiling fan is on high");
 
    } 

    void medium()
    {
        level = MEDIUM;
        writeln(location ~ " ceiling fan is on medium");
    }

    void low()
    {
        level = LOW;
        writeln(location ~ " ceiling fan is on low");
    }
 
    void off()
    {
        level = 0;
        writeln(location ~ " ceiling fan is off");
    }
 
    int getSpeed()
    {
        return level;
    }
}