reworked almost the whole project - everything should work now as expected

config.json

@@ -12,11 +12,13 @@
       "description": "show this page"
     },
     "post": {
-      "mode": {
+      "endpoints": [
-        "available": "set, morph, pulse",
+        "/set",
-        "default": "set",
+        "/morph",
-        "description": "specifies the color change mode"
+        "/blink",
-      },
+        "/pulse",
+        "/poweroff"
+      ],
       "color": {
         "available": "random, hex color codes (#ffffff), rgb color codes (255, 255, 255)",
         "default": "random",
@@ -24,8 +26,8 @@
       },
       "index": {
         "available": "number values",
-        "default": "undefined",
+        "default": "all",
-        "description": "specifies the led index"
+        "description": "specifies the led index / defaults to all leds"
       },
       "duration": {
         "available": "number values",
@@ -35,13 +37,19 @@
       "steps": {
         "available": "number values",
         "default": "[duration] / 10",
-        "description": "specifies the amount of steps for the color change"
+        "description": "specifies the number of steps for the color change"
       },
-      "pulses": {
+      "repeats": {
-        "restrictions": "pulse",
+        "restrictions": "blink, pulse",
         "available": "number values",
         "default": "0 (infinite)",
-        "description": "specifies the number of pulses"
+        "description": "specifies the number of blinks/pulses"
+      },
+      "delay": {
+        "restrictions": "blink",
+        "available": "number values",
+        "default": "500",
+        "description": "delay between blinks in milliseconds "
       }
     }
   }

libs/blinkstick.js

@@ -1,109 +1,123 @@
-// requirements
 const logger = require('./logger');
-const config = require('../config.json');
-const util = require('util');
-
-// third party requirements
 const blinkstick = require('blinkstick');
-const hexcolor = require('hex-color-regex');
 
-// constants
+const LED_ANIMATED = 0;
-// const LEDS = [0, 1, 2, 3, 4, 5, 6, 7];
+
-const LEDS_ALL = 'index_all';
+const LEDS_ALL = 'all';
-const RANDOM = 'random';
-const ANIMATION_STATE_INPROGRESS = 1;
-const ANIMATION_STATE_FINISH = 0;
 
 const MODE_SET = 'set';
 const MODE_MORPH = 'morph';
+const MODE_BLINK = 'blink';
 const MODE_PULSE = 'pulse';
 const MODE_POWEROFF = 'poweroff';
 
-// variables
-let led;
 const LEDS = new Map();
 
+let stop = false;
+
+// find a connected blinkstick
 function findBlinkstick() {
     return new Promise((resolve, reject) => {
-        led = blinkstick.findFirst();
+        let led = blinkstick.findFirst();
-        if (led !== undefined && led !== null) {
+        if (led === undefined) {
-            return resolve(led);
+            reject('could not find any blinkstick');
         }
-        return reject('could not find any blinkstick');
+        resolve(led);
     });
 }
 
-// light it up
+// simple animation (set the color / morph to color)
-async function illuminate(blinkstickConfig) {
+async function simple(config) {
-    led = await findBlinkstick();
-    let indices = getIndices(blinkstickConfig);
-    for (let index = 0; index < indices.length; index++) {
     try {
-            await setLedState(indices[index], ANIMATION_STATE_INPROGRESS);
+        await forceStop();
-            await singleAnimation(JSON.parse(JSON.stringify(blinkstickConfig)), indices[index]);
+        config.timestamp = new Date().getTime();
-            blinkstickConfig.options.pulse++;
-            if (maxPulsesReached(blinkstickConfig)) {
-                return;
-            }
-        } catch (err) {
-            logger.error(err);
-        }
-    }
-    if (!maxPulsesReached(blinkstickConfig)) {
-        return illuminate(blinkstickConfig);
-    }
-}
-
-function maxPulsesReached(blinkstickConfig) {
-    if (blinkstickConfig.mode !== MODE_PULSE) {
-        return true;
-    }
-    return (blinkstickConfig.options.pulse.max === 0 || blinkstickConfig.options.pulse.done > blinkstickConfig.options.pulse.max);
-}
-
-// turn the blinkstick or specified led off
-async function powerOff(index) {
-    led = await findBlinkstick();
-    // check for NaN
-    if (index !== index) {
-        index = LEDS_ALL;
-    }
-    let config = {color: '#000000', mode: MODE_POWEROFF, options: {index: index}};
         let indices = getIndices(config);
         for (let index = 0; index < indices.length; index++) {
-        try {
+            await setLedState(indices[index], LED_ANIMATED);
             await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
+            await clearLedState(indices[index]);
+        }
+        return {
+            status: 'ok',
+            color: config.color,
+            indices: indices,
+            time: (new Date().getTime() - config.timestamp) + 'ms'
+        };
     } catch (err) {
         logger.error(err);
+        return err;
     }
 }
-    if (index !== LEDS_ALL) {
+
-        logger.info('led \'' + index + '\' powered off');
+// complex animation (pulse / blink)
-        return;
+async function complex(config) {
+    try {
+        if (config.timestamp === undefined) {
+            await powerOff({id: Math.random(), mode: MODE_POWEROFF, color: '#000000', options: {index: LEDS_ALL}});
+            config.timestamp = new Date().getTime();
         }
-    led.stop();
+        let indices = getIndices(config);
-    led.turnOff();
+        for (let index = 0; index < indices.length; index++) {
+            if (shouldLedFinish(config)) {
+                return {status: 'ok', time: (new Date().getTime() - config.timestamp) + 'ms'};
+            }
+            await setLedState(indices[index], LED_ANIMATED);
+            await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
+            await clearLedState(indices[index]);
+            config.repetitions.done++;
+        }
+        return complex(config);
+    } catch (err) {
+        logger.error(err);
+        return err;
+    }
+}
+
+// power the blinkstick (or just a specific led) off
+async function powerOff(config) {
+    try {
+        await forceStop();
+        config.timestamp = new Date().getTime();
+        let indices = getIndices(config);
+        for (let index = 0; index < indices.length; index++) {
+            await singleAnimation(JSON.parse(JSON.stringify(config)), indices[index]);
+            logger.info('led \'' + indices[index] + '\' powered off');
+        }
+        if (config.options.index === LEDS_ALL) {
+            const blinkstick = await findBlinkstick();
+            blinkstick.stop();
+            blinkstick.turnOff();
             logger.info('blinkstick powered off');
         }
+        return {status: 'ok', indices: indices, time: (new Date().getTime() - config.timestamp) + 'ms'};
+    } catch (err) {
+        return err;
+    }
+}
 
 // animations
-function singleAnimation(config, index) {
+async function singleAnimation(config, index) {
-    return new Promise((resolve, reject) => {
+    try {
         config.options.index = index;
+        const blinkstick = await findBlinkstick();
+        return await new Promise((resolve, reject) => {
             logger.debug('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' (mode: ' + config.mode + ')...');
             switch (config.mode) {
                 case MODE_MORPH:
-                led.morph(config.color, config.options, callback);
+                    blinkstick.morph(config.color, config.options, callback);
+                    break;
+                case MODE_BLINK:
+                    blinkstick.blink(config.color, config.options, callback);
                     break;
                 case MODE_PULSE:
-                led.pulse(config.color, config.options, callback);
+                    blinkstick.pulse(config.color, config.options, callback);
                     break;
                 default:
-                led.setColor(config.color, config.options, callback);
+                    blinkstick.setColor(config.color, config.options, callback);
+                    break;
             }
 
             function callback(err) {
-            clearLedState(config.options.index);
                 if (err) {
                     reject('changing color of led \'' + config.options.index + '\' to \'' + config.color + '\' encountered an error > ' + err);
                 }
@@ -111,45 +125,31 @@ function singleAnimation(config, index) {
                 resolve();
             }
         });
+    } catch (err) {
+        return err;
+    }
 }
 
-// TODO: IMPLEMENT FUNCTION
+async function forceStop() {
-function continousAnimation(config, index) {
-
-}
-
-// start pulsing
-function startPulsing(blinkstickConfig) {
     return new Promise((resolve, reject) => {
-        let animation = getAnimation(blinkstickConfig);
+        stop = true;
-        if (animation?.state === ANIMATION_STATE_FINISH || (blinkstickConfig.options.pulse.max > 0 && animation.done === blinkstickConfig.options.pulse.max)) {
+        waitForAllAnimationsEnd(() => {
-            clearAnimationProperties(blinkstickConfig);
+            stop = false;
-            return resolve('finished pulsing \'' + blinkstickConfig.color + '\'');
+            resolve();
-        }
-        let currentAnimation = getAnimationByIndex(blinkstickConfig?.options?.index);
-        if (currentAnimation !== undefined && currentAnimation.id !== blinkstickConfig.id) {
-            stopAnimation(currentAnimation)
-                .then(logger.info)
-                .then(() => {
-                    startPulsing(blinkstickConfig, resolve, reject)
-                })
-                .catch(logger.error);
-            return;
-        }
-        animation = setAnimationProperties(blinkstickConfig);
-        led.pulse(blinkstickConfig.color, blinkstickConfig.options, (err) => {
-            if (err) {
-                clearAnimationProperties(blinkstickConfig);
-                return reject('error pulsing ' + msg + ' > ' + err);
-            }
-            animation.done++;
-            logger.debug('pulsed ' + msg + ' ' + animation.done + '/' + blinkstickConfig.options.pulse.max + ' times');
-            startPulsing(blinkstickConfig)
-                .catch(reject);
         });
     });
 }
 
+function shouldLedFinish(config) {
+    if (stop) {
+        return true;
+    }
+    if (config.mode === MODE_BLINK && config.mode === MODE_PULSE) {
+        return config.repetitions.max !== 0 && config.repetitions.done >= config.repetitions.max
+    }
+    return false;
+}
+
 // led / index helper functions
 function getIndices(blinkstickConfig) {
     if (blinkstickConfig.options.index === LEDS_ALL) {
@@ -164,7 +164,10 @@ async function setLedState(index, state) {
 }
 
 function clearLedState(index) {
+    return new Promise((resolve, reject) => {
         LEDS.delete(index);
+        resolve();
+    });
 }
 
 function isLedAnimated(index) {
@@ -188,71 +191,35 @@ function waitForAnimationEnd(index, callback) {
     }, 100);
 }
 
-// color / parser functions
+function waitForAllAnimationsEnd(callback) {
-function parseColor(value) {
+    if (LEDS.size === 0) {
-    if (!value || value === RANDOM) {
+        return callback();
-        return RANDOM;
     }
-    let parsedColor = parseRGBColor(value);
+    setTimeout(() => {
-    if (!parsedColor) {
+        waitForAllAnimationsEnd(callback);
-        parsedColor = parseHexColor(value);
+    }, 100);
-    }
-    return parsedColor || function () {
-        logger.warn('could not parse color value \'' + value + '\', defaulting to \'' + config.api.post.color.default + '\'');
-        return config.api.post.color.default;
-    }();
 }
 
-function parseRGBColor(value) {
+function isInfiniteAnimation(config) {
-    if (value.indexOf(',') === -1 && isRGBValue(value)) {
+    if (config.mode !== MODE_BLINK && config.mode !== MODE_PULSE) {
-        return convertRGBToHex(parseInt(value) || 0, 0, 0);
+        return false;
-    } else {
-        const splittedValues = value.split(',');
-        let color = {};
-        for (let index = 0; index < splittedValues.length; index++) {
-            const value = splittedValues[index];
-            if (index === 0) {
-                color.red = parseInt(value) || 0;
-            } else if (index === 1) {
-                color.green = parseInt(value) || 0;
-            } else if (index === 2) {
-                color.blue = parseInt(value) || 0;
     }
+    if (config.options.index === LEDS_ALL) {
+        return config.repetitions.max === 0;
     }
-        if (isRGBValue(color.red) && isRGBValue(color.green) && isRGBValue(color.blue)) {
+    return config.options.repeats === 0;
-            return convertRGBToHex(color.red, color.green, color.blue);
-        }
-    }
-}
-
-function isRGBValue(value) {
-    return value !== undefined && !isNaN(value) && value >= 0 && value <= 255;
-}
-
-function convertRGBToHex(red, green, blue) {
-    return '#' + ((1 << 24) + (red << 16) + (green << 8) + blue).toString(16).slice(1);
-}
-
-function parseHexColor(value) {
-    if (value[0] !== '#') {
-        value = '#' + value;
-    }
-    if (value.length === 4) {
-        value = (value[0] + value[1] + value[1] + value[2] + value[2] + value[3] + value[3]);
-    }
-    if (hexcolor({strict: true}).test(value)) {
-        return value;
-    }
 }
 
 // exports
 module.exports = {
-    parseColor,
+    simple,
-    illuminate,
+    complex,
     powerOff,
+    isInfiniteAnimation,
     LEDS_ALL,
     MODE_SET,
     MODE_MORPH,
+    MODE_BLINK,
     MODE_PULSE,
     MODE_POWEROFF
 };

libs/index.js

@@ -0,0 +1,66 @@
+const packageJSON = require('../package.json');
+const config = require('../config.json');
+
+function get() {
+    let html =
+        '<html>' +
+        '<head>' +
+        '<title>' + packageJSON.name + ' ' + packageJSON.version + '</title>' +
+        '<style>' +
+        'body { background: #2a2a2a; color: #f1f1f1; margin: 1.25% }' +
+        'th, td { border: 1px solid #919191; padding: 6px; text-align: left }' +
+        '</style>' +
+        '</head>' +
+        '<body>' +
+        '<div>' +
+        '<h1>' + packageJSON.name + ' ' + packageJSON.version + '</h1>' +
+        '</div>' +
+        '<hr>';
+    html +=
+        '<div>' +
+        '<h2>get:</h2>' +
+        '<p>' + config.api.get.description + '</p>' +
+        '</div>';
+
+    html +=
+        '<div>' +
+        '<h2>post:</h2>' +
+        '<h3>endpoints: </>';
+    for (let index = 0; index < config.api.post.endpoints.length; index++) {
+        if (index > 0) {
+            html += ', ';
+        }
+        html += config.api.post.endpoints[index];
+    }
+    html += '</h3>' +
+        '<table style=\'width:100%\'>' +
+        '<th>argument</th>' +
+        '<th>available values</th>' +
+        '<th>default</th>' +
+        '<th>restrictions</th>' +
+        '<th>description</th>';
+    Object.keys(config.api.post).forEach((argument) => {
+        if (argument === 'endpoints') {
+            return;
+        }
+        let restrictions = config.api.post[argument].restrictions || '';
+        html +=
+            '<tr>' +
+            '<td>' + argument + '</td>' +
+            '<td>' + config.api.post[argument].available + '</td>' +
+            '<td>' + config.api.post[argument].default + '</td>' +
+            '<td>' + restrictions + '</td>' +
+            '<td>' + config.api.post[argument].description + '</td>' +
+            '</tr>';
+    });
+    html +=
+        '</table>' +
+        '</div>' +
+        '</body>' +
+        '</html>';
+    return html;
+}
+
+module.exports = {
+    get
+};

libs/logger.js

@@ -52,7 +52,7 @@ function getTimestamp() {
     if (global.config !== undefined && global.config.log !== undefined && global.config.log.format !== undefined) {
         return global.config.log.timestamp;
     }
-    return "DD.MM.YYYY HH:mm:ss:SS";
+    return 'DD.MM.YYYY HH:mm:ss:SS';
 }
 
 // log a http request

libs/parser.js

@@ -0,0 +1,188 @@
+const logger = require('./logger.js');
+const hexcolor = require('hex-color-regex');
+
+const LEDS_ALL = require('./blinkstick.js').LEDS_ALL;
+const MODE_SET = require('./blinkstick.js').MODE_SET;
+const MODE_MORPH = require('./blinkstick.js').MODE_MORPH;
+const MODE_BLINK = require('./blinkstick.js').MODE_BLINK;
+const MODE_PULSE = require('./blinkstick.js').MODE_PULSE;
+const MODE_POWEROFF = require('./blinkstick.js').MODE_POWEROFF;
+
+const DURATION_DEFAULT = require('../config.json').api.post.duration.default || 1000;
+const DELAY_DEFAULT = require('../config.json').api.post.delay.default || 500;
+
+const COLOR_RANDOM = 'random';
+
+// parse a http post and return an object with sane defaults
+function parseRequest(requestBody, mode) {
+    if (mode === undefined) {
+        mode = MODE_SET;
+    }
+    let config = {
+        'id': Math.random(),
+        'mode': mode,
+        'options': {
+            'index': parseIndex(requestBody.index),
+        }
+    };
+    if (config.mode === MODE_POWEROFF) {
+        config.color = '#000000';
+        return config;
+    } else {
+        config.color = parseColor(requestBody.color);
+    }
+    switch (config.mode) {
+        case MODE_MORPH:
+            config.options.duration = parseDuration(requestBody.duration, config.options.index);
+            config.options.steps = parseSteps(requestBody.steps, config.options.duration);
+            break;
+        case MODE_BLINK:
+            config.options.repeats = parseRepeats(requestBody.repeats, config.options.index);
+            config.repetitions = parseRepetitions(requestBody.repeats, config.options.index);
+            config.options.delay = parseDelay(requestBody.delay);
+            break;
+        case MODE_PULSE:
+            config.options.duration = parseDuration(requestBody.duration, config.options.index, MODE_PULSE);
+            config.options.steps = parseSteps(requestBody.steps, config.options.duration);
+            config.options.repeats = parseRepeats(requestBody.repeats, config.options.index);
+            config.repetitions = parseRepetitions(requestBody.repeats, config.options.index);
+            break;
+    }
+    return config;
+}
+
+// parse the index
+function parseIndex(index) {
+    if (index === undefined) {
+        return LEDS_ALL;
+    }
+    index = parseInt(index);
+    if (index !== index) {
+        return LEDS_ALL;
+    }
+    if (index < 0) {
+        index = 0;
+    } else if (index > 7) {
+        index = 7;
+    }
+    return index;
+}
+
+// parse the duration
+function parseDuration(duration, index, mode) {
+    if (duration === undefined) {
+        duration = DURATION_DEFAULT;
+    }
+    if (index === LEDS_ALL && mode !== MODE_PULSE) {
+        duration = duration / 8;
+    }
+    if (duration < 100) {
+        duration = 100;
+    }
+    return duration;
+}
+
+// parse the steps
+function parseSteps(steps, duration) {
+    if (duration === undefined) {
+        duration = DURATION_DEFAULT;
+    }
+    if (steps === undefined || steps === 0) {
+        steps = duration / 10;
+    }
+    return steps;
+}
+
+// parse the repeats
+function parseRepeats(repeats, index) {
+    if (index === LEDS_ALL) {
+        return 1;
+    }
+    repeats = parseInt(repeats);
+    if (repeats !== repeats) {
+        return 0;
+    }
+    return repeats;
+}
+
+// parse the repetitions
+function parseRepetitions(repeats, index) {
+    if (index !== LEDS_ALL) {
+        return {done: 0, max: 1};
+    }
+    repeats = parseInt(repeats);
+    if (repeats !== repeats) {
+        repeats = 0;
+    }
+    return {done: 0, max: repeats};
+}
+
+// parse the delay
+function parseDelay(delay) {
+    if (delay === undefined) {
+        delay = DELAY_DEFAULT;
+    }
+    return delay;
+}
+
+// color / parser functions
+function parseColor(value) {
+    if (value === undefined || value === COLOR_RANDOM) {
+        return COLOR_RANDOM;
+    }
+    let parsedColor = parseRGBColor(value);
+    if (!parsedColor) {
+        parsedColor = parseHexColor(value);
+    }
+    return parsedColor || function () {
+        logger.warn('could not parse color value \'' + value + '\', defaulting to \'' + COLOR_RANDOM + '\'');
+        return COLOR_RANDOM;
+    }();
+}
+
+function parseRGBColor(value) {
+    if (value.indexOf(',') === -1 && isRGBValue(value)) {
+        return convertRGBToHex(parseInt(value) || 0, 0, 0);
+    } else {
+        const splittedValues = value.split(',');
+        let color = {};
+        for (let index = 0; index < splittedValues.length; index++) {
+            const value = splittedValues[index];
+            if (index === 0) {
+                color.red = parseInt(value) || 0;
+            } else if (index === 1) {
+                color.green = parseInt(value) || 0;
+            } else if (index === 2) {
+                color.blue = parseInt(value) || 0;
+            }
+        }
+        if (isRGBValue(color.red) && isRGBValue(color.green) && isRGBValue(color.blue)) {
+            return convertRGBToHex(color.red, color.green, color.blue);
+        }
+    }
+}
+
+function isRGBValue(value) {
+    return value !== undefined && !isNaN(value) && value >= 0 && value <= 255;
+}
+
+function convertRGBToHex(red, green, blue) {
+    return '#' + ((1 << 24) + (red << 16) + (green << 8) + blue).toString(16).slice(1);
+}
+
+function parseHexColor(value) {
+    if (value[0] !== '#') {
+        value = '#' + value;
+    }
+    if (value.length === 4) {
+        value = (value[0] + value[1] + value[1] + value[2] + value[2] + value[3] + value[3]);
+    }
+    if (hexcolor({strict: true}).test(value)) {
+        return value;
+    }
+}
+
+// exports
+module.exports = {
+    parseRequest,
+};

libs/server.js

@@ -1,139 +1,133 @@
-// requirements
 const path = require('path');
 const config = require('../config');
 const packageJSON = require('../package.json');
 const logger = require('./logger');
 const blinkstick = require('./blinkstick');
-// third party requirements
+const parser = require('./parser.js');
+
 const express = require('express');
 const favicon = require('serve-favicon');
-const parser = require('body-parser');
+const bodyparser = require('body-parser');
 
-// setup express, blinkstick and other stuff
 const app = express();
-app.use(favicon(path.join(path.dirname(__dirname), "public", "favicon.ico")));
+app.use(favicon(path.join(path.dirname(__dirname), 'public', 'favicon.ico')));
-app.use(parser.json());
+app.use(bodyparser.json());
-app.use(parser.urlencoded({ extended: true }));
+app.use(bodyparser.urlencoded({extended: true}));
 
-// get the html content for get requests
+const MODE_SET = require('./blinkstick.js').MODE_SET;
-// TODO: replace with template engine (vue.js)
+const MODE_MORPH = require('./blinkstick.js').MODE_MORPH;
-function getHTML() {
+const MODE_BLINK = require('./blinkstick.js').MODE_BLINK;
-    let welcomeMessage =
+const MODE_PULSE = require('./blinkstick.js').MODE_PULSE;
-        "<html>" +
+const MODE_POWEROFF = require('./blinkstick.js').MODE_POWEROFF;
-        "<head>" +
+
-        "<title>" + packageJSON.name + " " + packageJSON.version + "</title>" +
+const html = require('./index.js').get();
-        "<style>" +
-        "body { background: #2a2a2a; color: #f1f1f1; margin: 1.25% }" +
-        "th, td { border: 1px solid #919191; padding: 6px; text-align: left }" +
-        "</style>" +
-        "</head>" +
-        "<body>" +
-        "<div>" +
-        "<h1>" + packageJSON.name + " " + packageJSON.version + "</h1>" +
-        "</div>" +
-        "<hr>";
-    welcomeMessage +=
-        "<div>" +
-        "<h2>get:</h2>" +
-        "<p>" + config.api.get.description + "</p>" +
-        "</div>";
-    welcomeMessage +=
-        "<div>" +
-        "<h2>post:</h2>" +
-        "<table style=\"width:100%\">" +
-        "<th>argument</th>" +
-        "<th>available values</th>" +
-        "<th>default</th>" +
-        "<th>restrictions</th>" +
-        "<th>description</th>";
-    Object.keys(config.api.post).forEach(function (argument) {
-        let restrictions = config.api.post[argument].restrictions || "";
-        welcomeMessage +=
-            "<tr>" +
-            "<td>" + argument + "</td>" +
-            "<td>" + config.api.post[argument].available + "</td>" +
-            "<td>" + config.api.post[argument].default + "</td>" +
-            "<td>" + restrictions + "</td>" +
-            "<td>" + config.api.post[argument].description + "</td>" +
-            "</tr>";
-    });
-    welcomeMessage +=
-        "</table>" +
-        "</div>" +
-        "</body>" +
-        "</html>";
-    return welcomeMessage;
-}
 
 // run the express http server and handle gets/posts
 function start() {
     return new Promise(function (resolve, reject) {
         app.listen(config.server.port, config.server.listen)
-            .on("listening", function () {
+            .on('listening', function () {
-                return resolve("server listening on " + config.server.listen + ":" + config.server.port + "...")
+                return resolve('server listening on ' + config.server.listen + ':' + config.server.port + '...')
             })
-            .on("error", function (err) {
+            .on('error', function (err) {
-                return reject("error starting server (" + err + ")");
+                return reject('error starting server (' + err + ')');
             });
     });
 }
 
-function handleRequests() {
+async function handleRequests() {
-    // GET methods
+    // GET html page
     app.get('*', (request, response) => {
         logger.http(request);
-        response.send(getHTML());
+        response.send(html);
         response.end();
     });
-    app.post('/off', (request, response) => {
+    // POST '/set'
+    app.post('/' + MODE_SET, (request, response) => {
         logger.http(request);
-        response.end();
+        blinkstick.simple(parser.parseRequest(request.body, MODE_SET))
-        blinkstick.powerOff(parseInt(request.body.index));
+            .then((result) => {
+                response.end(JSON.stringify(result));
+            })
+            .catch((err) => {
+                response.status(500);
+                response.end({status: 'error', error: err});
             });
-    // POST methods
+    });
-    app.post('*', (request, response) => {
+    // POST '/morph'
+    app.post('/' + MODE_MORPH, (request, response) => {
         logger.http(request);
-        response.end();
+        blinkstick.simple(parser.parseRequest(request.body, MODE_MORPH))
-        blinkstick.illuminate(parseRequest(request.body))
+            .then((result) => {
-            .then(logger.info)
+                response.end(JSON.stringify(result));
-            .catch(logger.error);
+            })
+            .catch((err) => {
+                response.status(500);
+                response.end({status: 'error', error: err});
+            });
+    });
+    // POST '/blink'
+    app.post('/' + MODE_BLINK, (request, response) => {
+        logger.http(request);
+        const config = parser.parseRequest(request.body, MODE_BLINK);
+        if (blinkstick.isInfiniteAnimation(config)) {
+            response.end(JSON.stringify({status: 'ok'}));
+            response = undefined;
+        }
+        blinkstick.complex(config)
+            .then((result) => {
+                if (response === undefined) {
+                    return;
+                }
+                response.end(JSON.stringify(result));
+            })
+            .catch((err) => {
+                if (response === undefined) {
+                    return;
+                }
+                response.status(500);
+                response.end({status: 'error', error: err});
+            });
+    });
+    // POST '/pulse'
+    app.post('/' + MODE_PULSE, (request, response) => {
+        logger.http(request);
+        const config = parser.parseRequest(request.body, MODE_PULSE);
+        if (blinkstick.isInfiniteAnimation(config)) {
+            response.end(JSON.stringify({status: 'ok'}));
+            response = undefined;
+        }
+        blinkstick.complex(config)
+            .then((result) => {
+                if (response === undefined) {
+                    return;
+                }
+                response.end(JSON.stringify(result));
+            })
+            .catch((err) => {
+                if (response === undefined) {
+                    return;
+                }
+                response.status(500);
+                response.end({status: 'error', error: err});
+            });
+    });
+    // POST '/poweroff'
+    app.post('/' + MODE_POWEROFF, (request, response) => {
+        logger.http(request);
+        blinkstick.powerOff(parser.parseRequest(request.body, MODE_POWEROFF))
+            .then((result) => {
+                response.end(JSON.stringify(result));
+            })
+            .catch((err) => {
+                response.status(500);
+                response.end({status: 'error', error: err});
+            });
     });
 }
 
-// parse the request and return an object with sane defaults
+function checkForInfiniteAnimation(response, config) {
-function parseRequest(data) {
+
-    let blinkstickConfig = {
-        "id": Math.random(),
-        "mode": data.mode || config.api.post.mode.default,
-        "color": blinkstick.parseColor(data.color),
-        "options": {
-            "index": blinkstick.LEDS_ALL,
-            "steps": data.steps,
-            "duration": data.duration || config.api.post.duration.default,
-            "pulse": {
-                "done": 0,
-                "max": data.pulses || 0
-            }
-        }
-    };
-    if (data.index !== undefined) {
-        blinkstickConfig.options.index = parseInt(data.index);
-        if (blinkstickConfig.options.index < 0) {
-            blinkstickConfig.options.index = 0;
-        } else if (blinkstickConfig.options.index > 7) {
-            blinkstickConfig.options.index = 7;
-        }
-    }
-    if (blinkstickConfig.options.duration < 100) {
-        blinkstickConfig.options.duration = 100;
-    }
-    if (blinkstickConfig.options.index === blinkstick.LEDS_ALL && blinkstickConfig.mode === blinkstick.MODE_MORPH) {
-        blinkstickConfig.options.duration = blinkstickConfig.options.duration / 8;
-    }
-    if (blinkstickConfig.options.steps === undefined || blinkstickConfig.options.steps === 0) {
-        blinkstickConfig.options.steps = blinkstickConfig.options.duration / 10;
-    }
-    return blinkstickConfig;
 }
 
 // exports