HelloWorldChallenge

// Sends a message to debug listeners
misty.Debug("The HelloWorld skill challenge is starting!")

// Global Variables for _breathingLED RGB values
_colorloop = 0;
_red = 140 / 10.0;
_green = 0 / 10.0;
_blue = 0 / 220.0;

// Changes RGB values depending on loop value for _breathingLED
function ledColor() {
    switch(_colorloop) {
        case 1: // Red
            _red = 220 / 10.0;
            _green = 0 / 10.0;
            _blue = 0 / 10.0;
            break;
        case 2: // Yellow
            _red = 220 / 10.0;
            _green = 220 / 10.0;
            _blue = 0 / 10.0;
            break;
        case 3: // Green
            _red = 0 / 10.0;
            _green = 220 / 10.0;
            _blue = 0 / 10.0;
            break;
        case 4: // Cyan
            _red = 0 / 10.0;
            _green = 220 / 10.0;
            _blue = 220 / 10.0;
            break;
        case 5: // Blue
            _red = 0 / 10.0;
            _green = 0 / 10.0;
            _blue = 220 / 10.0;
            break;
        default: // Purple                   
            _red = 140 / 10.0;
            _green = 0 / 10.0;
            _blue = 220 / 10.0;
    }
}


// Plays an audio file at max volume.
misty.PlayAudio("s_Amazement.wav", 100);
// Pauses for 3000 milliseconds before executing the next command.
misty.Pause(3000);

// Returns a random integer between min and max
function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

misty.RegisterTimerEvent("look_around", getRandomInt(5, 10) * 1000, false);

// The look_around timer event invokes this callback function.
function _look_around(repeat = true) {

    // Moves Misty's head to a random position. Adjust the min/max
    // values passed into getRandomInt() to change Misty's range of
    // motion when she calls this method.
    misty.MoveHeadDegrees(
        getRandomInt(-40, -10), // Random pitch position between -40 and 20
        getRandomInt(-20, 20), // Random roll position between -30 and 30
        getRandomInt(-25, 25), // Random yaw position between -40 and 40
        30); // Head movement velocity. Can increase up to 100.

        // If repeat is set to true, re-registers for the look_around
        // timer event, and Misty moves her head until the skill ends.
        if (repeat) misty.RegisterTimerEvent(
            "look_around",
            getRandomInt(5, 10) * 1000,
            false);
    
}


// Registers for a timer event called breathingLED, and invokes the
// _breathingLED() callback after 1 millisecond.
misty.RegisterTimerEvent("breathingLED", 1, false);

// The breathingLED timer event invokes this callback function.
function _breathingLED() {

    // calls function to update global color variable
    ledColor();

    // Incrementally DECREASES the intensity of each color in the LED
    for (var i = 10; i >= 0; i = i - 1) {
        misty.ChangeLED(
            Math.floor(i * _red), // red intensity ***CHANGED TO GLOBAL VAR***
            Math.floor(i * _green), // green intensity ***CHANGED TO GLOBAL VAR***
            Math.floor(i * _blue)); // blue intensity ***CHANGED TO GLOBAL VAR***
        // Pause before next iteration. Increase value for slower
        // breathing; decrease for faster breathing.
        misty.Pause(150);
    }

    // Goes to next color
    _colorloop = _colorloop + 1;

    // Resets list back to beginning if cycle complete
    if(_colorloop > 5) {
        _colorloop = 0;
    }

    // calls function to update global color variable
    ledColor();

    // Incrementally INCREASES the intensity of each color in the LED
    for (var i = 0; i <= 10; i = i + 1) {
        misty.ChangeLED(
            Math.floor(i * _red), // red intensity ***CHANGED TO GLOBAL VAR***
            Math.floor(i * _green), // green intensity ***CHANGED TO GLOBAL VAR***
            Math.floor(i * _blue)); // blue intensity ***CHANGED TO GLOBAL VAR***
        // Pause before next iteration. Increase value for slower
        // breathing; decrease for faster breathing.
        misty.Pause(150);
    }

    // Re-registers for the breathingLED timer event, so Misty's LED
    // continues breathing until the skill ends.
    misty.RegisterTimerEvent("breathingLED", 1, false);
}

// Registers for a timer event called breathingLED, and invokes the
// _breathingLED() callback after 1 millisecond.
misty.RegisterTimerEvent("breathingLED", 1, false);

// Waves Misty's right arm!
function waveRightArm() {
    misty.MoveArmDegrees("right", -80, 30); // Right arm up to wave
    misty.Pause(3000); // Pause with arm up for 3 seconds
    misty.MoveArmDegrees("both", 80, 30); // Both arms down
}

waveRightArm();

// Invoke this function to start Misty recognizing faces.
function _registerFaceRec() {
    // Cancels any face recognition that's currently underway
    misty.StopFaceRecognition();
    // Starts face recognition
    misty.StartFaceRecognition();
    // If a FaceRecognition event includes a "PersonName" property,
    // then Misty invokes the _FaceRec callback function.
    misty.AddPropertyTest("FaceRec", "PersonName", "exists", "", "string");
    // Registers for FaceRecognition events. Sets eventName to FaceRec,
    // debounceMs to 1000, and keepAlive to false.
    misty.RegisterEvent("FaceRec", "FaceRecognition", 1000, false);
}

// FaceRec events invoke this callback function.
function _FaceRec(data) {
    // Stores the value of the detected face
    var faceDetected = data.PropertyTestResults[0].PropertyValue;
    // Logs a debug message with the label of the detected face
    misty.Debug("Misty sees " + faceDetected);

    // Use the Command Center to train Misty to recognize your face.
    // Then, replace <Your-Name> below with your own name! If Misty
    // sees and recognizes you, she waves and looks happy.
    if (faceDetected == "Jeff") {
        misty.DisplayImage("e_Joy.jpg");
        misty.PlayAudio("SkillsDeveloper.mp3");
        waveRightArm();
    }
    if (faceDetected == "Tutu") {
        misty.DisplayImage("e_Joy.jpg");
        misty.PlayAudio("LookingGood.mp3");
        waveRightArm();
    }
    // If Misty sees someone she doesn't know, she raises her eyebrow
    // and plays a different sound.
    else if (faceDetected == "unknown person") {
        misty.DisplayImage("e_Contempt.jpg");
        misty.PlayAudio("RobotHater.mp3");
        misty.Pause(4000); // Pause with arm up for 4 seconds
        misty.PlayAudio("WeaponCharge.wav");
        misty.MoveArmDegrees("both", 0, 40); // Both arms out
        misty.Pause(4000); // Pause with arm up for 4 seconds
        misty.MoveArmDegrees("both", 80, 30); // Both arms down
    };

    misty.Pause(3000); // Pause for 3 seconds
    // Rest to default eyes
    misty.DisplayImage("e_DefaultContent.jpg");
  
    // Register for a timer event to invoke the _registerFaceRec
    // callback function loop through the _registerFaceRec() again
    // after 7000 milliseconds pass.
    misty.RegisterTimerEvent("registerFaceRec", 7000, false);
}
// Starts Misty recognizing faces!
_registerFaceRec();