upgrades

monster.html

@@ -15,6 +15,10 @@
 	          samplingtime: { value: 0 },
 	          minvolume: { value: 5 },
           maxweight: { value: 22 },
+          nominalFlowMin: { value: 0 },
+          flowMax: { value: 0 },
+          maxRainRef: { value: 10 },
+          minSampleIntervalSec: { value: 60 },
           emptyWeightBucket: { value: 3 },
           aquon_sample_name: { value: "" },
 
@@ -64,8 +68,95 @@
       document.getElementById("node-input-samplingtime");
       document.getElementById("node-input-minvolume");
       document.getElementById("node-input-maxweight");
+      document.getElementById("node-input-nominalFlowMin");
+      document.getElementById("node-input-flowMax");
+      document.getElementById("node-input-maxRainRef");
+      document.getElementById("node-input-minSampleIntervalSec");
       document.getElementById("node-input-emptyWeightBucket");
-      document.getElementById("node-input-aquon_sample_name");
+      const aquonSelect = document.getElementById("node-input-aquon_sample_name");
+
+      if (aquonSelect) {
+        const menuData = window.EVOLV?.nodes?.monster?.menuData?.aquon || {};
+        const options = menuData.samples || [];
+        const specs = menuData.specs || {};
+        const defaultSpec = specs.defaults || {};
+        const specMap = specs.bySample || {};
+
+        const setReadOnly = () => {};
+
+        const applySpec = (spec) => {
+          const merged = {
+            samplingtime: defaultSpec.samplingtime,
+            minvolume: defaultSpec.minvolume,
+            maxweight: defaultSpec.maxweight,
+            emptyWeightBucket: defaultSpec.emptyWeightBucket,
+            ...(spec || {})
+          };
+
+          const samplingTimeEl = document.getElementById("node-input-samplingtime");
+          const minVolumeEl = document.getElementById("node-input-minvolume");
+          const maxWeightEl = document.getElementById("node-input-maxweight");
+          const nominalFlowMinEl = document.getElementById("node-input-nominalFlowMin");
+          const flowMaxEl = document.getElementById("node-input-flowMax");
+          const maxRainEl = document.getElementById("node-input-maxRainRef");
+          const minSampleIntervalEl = document.getElementById("node-input-minSampleIntervalSec");
+          const emptyWeightEl = document.getElementById("node-input-emptyWeightBucket");
+
+          if (samplingTimeEl && merged.samplingtime !== undefined) {
+            samplingTimeEl.value = merged.samplingtime;
+          }
+          if (minVolumeEl && merged.minvolume !== undefined) {
+            minVolumeEl.value = merged.minvolume;
+          }
+          if (maxWeightEl && merged.maxweight !== undefined) {
+            maxWeightEl.value = merged.maxweight;
+          }
+          if (nominalFlowMinEl && merged.nominalFlowMin !== undefined) {
+            nominalFlowMinEl.value = merged.nominalFlowMin;
+          }
+          if (flowMaxEl && merged.flowMax !== undefined) {
+            flowMaxEl.value = merged.flowMax;
+          }
+          if (maxRainEl && merged.maxRainRef !== undefined) {
+            maxRainEl.value = merged.maxRainRef;
+          }
+          if (minSampleIntervalEl && merged.minSampleIntervalSec !== undefined) {
+            minSampleIntervalEl.value = merged.minSampleIntervalSec;
+          }
+          if (emptyWeightEl && merged.emptyWeightBucket !== undefined) {
+            emptyWeightEl.value = merged.emptyWeightBucket;
+          }
+
+        };
+
+        aquonSelect.innerHTML = "";
+
+        const emptyOption = document.createElement("option");
+        emptyOption.value = "";
+        emptyOption.textContent = "Select sample...";
+        aquonSelect.appendChild(emptyOption);
+
+        options.forEach((option) => {
+          const optionElement = document.createElement("option");
+          optionElement.value = option.code;
+          optionElement.textContent = `${option.code} - ${option.description}`;
+          optionElement.title = option.description || option.code;
+          aquonSelect.appendChild(optionElement);
+        });
+
+        if (this.aquon_sample_name) {
+          aquonSelect.value = this.aquon_sample_name;
+        }
+
+        aquonSelect.addEventListener("change", () => {
+          const selected = aquonSelect.value;
+          if (!selected) {
+            return;
+          }
+          const selectedSpec = specMap[selected] || {};
+          applySpec(selectedSpec);
+        });
+      }
 
     },
     oneditsave: function() {
@@ -84,9 +175,17 @@
         window.EVOLV.nodes.monster.positionMenu.saveEditor(this);
       }
 
-      ["samplingtime", "minvolume", "maxweight", "emptyWeightBucket"].forEach((field) => {
+      const normalizeNumber = (value) => {
+        if (typeof value !== "string") {
+          return value;
+        }
+        return value.replace(",", ".");
+      };
+
+      ["samplingtime", "minvolume", "maxweight", "nominalFlowMin", "flowMax", "maxRainRef", "minSampleIntervalSec", "emptyWeightBucket"].forEach((field) => {
         const element = document.getElementById(`node-input-${field}`);
-        const value = parseFloat(element?.value) || 0;
+        const rawValue = normalizeNumber(element?.value || "");
+        const value = parseFloat(rawValue) || 0;
         console.log(`----------------> Saving ${field}: ${value}`);
         node[field] = value;
       });
@@ -105,7 +204,8 @@
 <!-- Main UI Template -->
 <script type="text/html" data-template-name="monster">
 
-  <!-- speficic input -->
+  <!-- specific input -->
+  <h3>Sampling constraints</h3>
   <div class="form-row">
     <label for="node-input-samplingtime"><i class="fa fa-clock-o"></i> Sampling time (h)</label>
     <input type="number" id="node-input-samplingtime" style="width:60%;" />
@@ -118,13 +218,33 @@
     <label for="node-input-maxweight"><i class="fa fa-clock-o"></i> Max weight (kg)</label>
     <input type="number" id="node-input-maxweight" style="width:60%;" />
   </div>
+  <h3>Hydraulic bounds</h3>
+  <div class="form-row">
+    <label for="node-input-nominalFlowMin"><i class="fa fa-clock-o"></i> Nominal min flow (m3/h)</label>
+    <input type="number" id="node-input-nominalFlowMin" style="width:60%;" />
+  </div>
+  <div class="form-row">
+    <label for="node-input-flowMax"><i class="fa fa-clock-o"></i> Max flow (m3/h)</label>
+    <input type="number" id="node-input-flowMax" style="width:60%;" />
+  </div>
+  <h3>Rain scaling</h3>
+  <div class="form-row">
+    <label for="node-input-maxRainRef"><i class="fa fa-cloud-rain"></i> Max rain reference (mm)</label>
+    <input type="number" id="node-input-maxRainRef" style="width:60%;" />
+  </div>
+  <div class="form-row">
+    <label for="node-input-minSampleIntervalSec"><i class="fa fa-hourglass"></i> Min sample interval (s)</label>
+    <input type="number" id="node-input-minSampleIntervalSec" style="width:60%;" />
+  </div>
+  <h3>Bucket</h3>
   <div class="form-row">
     <label for="node-input-emptyWeightBucket"><i class="fa fa-clock-o"></i> Empty weight of bucket (kg)</label>
     <input type="number" id="node-input-emptyWeightBucket" style="width:60%;" />
   </div>
+  <h3>Aquon</h3>
   <div class="form-row">
     <label for="node-input-aquon_sample_name"><i class="fa fa-clock-o"></i> Aquon sample name</label>
-    <input type="text" id="node-input-aquon_sample_name" style="width:60%;" />
+    <select id="node-input-aquon_sample_name" style="width:60%;"></select>
   </div>
 
   <!-- Asset fields injected here -->
@@ -141,6 +261,6 @@
 <script type="text/html" data-help-name="monster">
   <p><b>Monster node</b>: Configure a monster asset.</p>
   <ul>
-   
+    <li><b>Beta note:</b> values load from specs but remain editable in the editor for testing.</li>
   </ul>
 </script>

monster.js

@@ -16,7 +16,7 @@ module.exports = function(RED) {
   // Serve /monster/menu.js
   RED.httpAdmin.get(`/${nameOfNode}/menu.js`, (req, res) => {
     try {
-      const script = menuMgr.createEndpoint(nameOfNode, ['logger','position']);
+      const script = menuMgr.createEndpoint(nameOfNode, ['logger', 'position', 'aquon']);
       res.type('application/javascript').send(script);
     } catch (err) {
       res.status(500).send(`// Error generating menu: ${err.message}`);

package.json

@@ -4,7 +4,7 @@
   "description": "Control module Monsternamekast",
   "main": "monster.js",
   "scripts": {
-    "test": "node monster.js"
+    "test": "node test/monster.specific.test.js"
   },
   "repository": {
     "type": "git",

src/nodeClass.js

@@ -4,7 +4,7 @@
  * Encapsulates all node logic in a reusable class. In future updates we can split this into multiple generic classes and use the config to specifiy which ones to use.
  * This allows us to keep the Node-RED node clean and focused on wiring up the UI and event handlers.
  */
-const { outputUtils, configManager } = require('generalFunctions');
+const { outputUtils, configManager, convert } = require('generalFunctions');
 const Specific = require("./specificClass");
 
 class nodeClass {
@@ -69,6 +69,10 @@ class nodeClass {
         samplingtime: Number(uiConfig.samplingtime),
         minVolume: Number(uiConfig.minvolume),
         maxWeight: Number(uiConfig.maxweight),
+        nominalFlowMin: Number(uiConfig.nominalFlowMin),
+        flowMax: Number(uiConfig.flowMax),
+        maxRainRef: Number(uiConfig.maxRainRef),
+        minSampleIntervalSec: Number(uiConfig.minSampleIntervalSec),
       },
       functionality: {
         positionVsParent: uiConfig.positionVsParent || 'atEquipment',
@@ -110,20 +114,33 @@ try{
           const bucketVol = m.bucketVol;
           const maxVolume = m.maxVolume;
           const state = m.running;
-          const mode = "AI" ; //m.mode;
+          const mode = "AI"; //m.mode;
+          const flowMin = m.nominalFlowMin;
+          const flowMax = m.flowMax;
 
-          let status;
+          if (m.invalidFlowBounds) {
-
+            return {
-          switch (state) {
+              fill: "red",
-            case false:
+              shape: "ring",
-              status = { fill: "red", shape: "dot", text: `${mode}: OFF` };
+              text: `Config error: nominalFlowMin (${flowMin}) >= flowMax (${flowMax})`
-              break;
+            };
-            case true:
-              status = { fill: "green", shape: "dot", text: `${mode}: ON => ${bucketVol} | ${maxVolume}` };
-              break;
           }
 
-          return status;
+          if (state) {
+            const levelText = `${bucketVol}/${maxVolume} L`;
+            const cooldownMs = typeof m.getSampleCooldownMs === 'function'
+              ? m.getSampleCooldownMs()
+              : 0;
+
+            if (cooldownMs > 0) {
+              const cooldownSec = Math.ceil(cooldownMs / 1000);
+              return { fill: "yellow", shape: "ring", text: `SAMPLING (${cooldownSec}s) ${levelText}` };
+            }
+
+            return { fill: "green", shape: "dot", text: `${mode}: RUNNING ${levelText}` };
+          }
+
+          return { fill: "grey", shape: "ring", text: `${mode}: IDLE` };
       } catch (error) {
         this.node.error("Error in updateNodeStatus: " + error);
         return { fill: "red", shape: "ring", text: "Status Error" };
@@ -182,6 +199,28 @@ try{
       const m = this.source;
       try {
         switch(msg.topic) {
+          case 'input_q': {
+            const value = Number(msg.payload?.value);
+            const unit = msg.payload?.unit;
+            if (!Number.isFinite(value) || !unit) {
+              this.node.warn('input_q payload must include numeric value and unit.');
+              break;
+            }
+            let converted = value;
+            try {
+              converted = convert(value).from(unit).to('m3/h');
+            } catch (error) {
+              this.node.warn(`input_q unit conversion failed: ${error.message}`);
+              break;
+            }
+            m.handleInput('input_q', { value: converted, unit: 'm3/h' });
+            break;
+          }
+          case 'i_start':
+          case 'monsternametijden':
+          case 'rain_data':
+            m.handleInput(msg.topic, msg.payload);
+            break;
           case 'registerChild': {
             const childId = msg.payload;
             const childObj = this.RED.nodes.getNode(childId);

src/specificClass.js

@@ -20,9 +20,19 @@ class Monster{
     // -------------------------------------- fetch dependencies --------------------------
     //this.math = require('mathjs');
 
-    //place holders for output data
+    //measurements
-    this.output             = {}      ; // object to place all relevant outputs in and preform event change check on
+    this.measurements = new MeasurementContainer({
+      autoConvert: true,
+      windowSize: 50,
+      defaultUnits: {
+        flow: 'm3/h',
+        volume: 'm3'
+      }
+    }, this.logger);
+
+    //child registration
     this.child              = {}        ; // register childs
+    this.childRegistrationUtils = new childRegistrationUtils(this);
 
     //Specific object info
     this.aquonSampleName    = "112100"      ;  // aquon sample name to start automatic sampling on the basis of the document
@@ -32,6 +42,9 @@ class Monster{
     this.sumRain            = 0       ;  // total sum of rain over time window + n hours and - n hours
     this.avgRain            = 0       ; // total divided by number of locations to get average over total time
     this.daysPerYear        = 0       ;  // how many days remaining for this year
+    this.lastRainUpdate     = 0       ;  // timestamp of last rain data update
+    this.rainMaxRef         = 10      ;  // mm reference for scaling linear prediction
+    this.rainStaleMs        = 2 * 60 * 60 * 1000; // 2 hours
 
     // outputs
     this.pulse              = false;    // output pulse to sampling machine
@@ -41,10 +54,14 @@ class Monster{
     this.bucketWeight       = 0;        // actual weight of bucket
     
     //inputs 
-    this.q                  = 0;        // influent flow in m3/h
+    this.q                  = 0;        // influent flow in m3/h (effective)
+    this.manualFlow         = null;     // manual flow override value in m3/h
     this.i_start            = false     // when true, the program gets kicked off calculating what it needs to take samples
     this.sampling_time      = config.constraints.samplingtime;       // time expressed in hours over which the sampling will run (currently 24) 
     this.emptyWeightBucket  = config.asset.emptyWeightBucket;        // empty weight of the bucket
+    this.nominalFlowMin     = config.constraints.nominalFlowMin;     // nominal dry-day flow in m3/h
+    this.flowMax            = config.constraints.flowMax;            // max inflow in m3/h
+    this.minSampleIntervalSec = config.constraints.minSampleIntervalSec || 60; // min seconds between samples
 
     // internal vars
     this.temp_pulse         = 0;        // each interval pulses send out 1 and then reset
@@ -63,6 +80,10 @@ class Monster{
     this.m3PerTick          = 0;        // actual measured flow in m3 per second
     this.m3Total            = 0;        // total measured flow over sampling time in m3
     this.running            = false;    // define if sampling is running or not
+    this.invalidFlowBounds  = false;    // whether nominalFlowMin/flowMax are invalid
+    this.lastSampleTime     = 0;        // last sample (pulse) timestamp
+    this.lastSampleWarnTime = 0;        // last warning timestamp for cooldown
+    this.missedSamples      = 0;        // count blocked samples due to cooldown
 
     this.qLineRaw           = {};   // see example
     this.minSeen            = {};   // keeps track of minimum ever seen so far in a time period for each hour (over totals not every value)
@@ -89,6 +110,9 @@ class Monster{
     this.timeLeft           = 0; // time in seconds
     this.currHour           = new Date().getHours(); // on init define in which hour we are 0 - 23
 
+    if (Number.isFinite(config?.constraints?.maxRainRef)) {
+      this.rainMaxRef = config.constraints.maxRainRef;
+    }
 
     this.init               = true;     // end of constructor
 
@@ -98,129 +122,247 @@ class Monster{
 
 	  }
 
-	  _syncOutput() {
+  /*-------------------               INPUT HANDLING               -------------------*/
-	    this.output = this.output || {};
+  handleInput(topic, payload) {
-	    this.output.pulse = this.pulse;
+    switch (topic) {
-	    this.output.running = this.running;
+      case 'i_start':
-	    this.output.bucketVol = this.bucketVol;
+        this.i_start = Boolean(payload);
-	    this.output.bucketWeight = this.bucketWeight;
+        break;
-	    this.output.sumPuls = this.sumPuls;
+      case 'monsternametijden':
-	    this.output.predFlow = this.predFlow;
+        this.updateMonsternametijden(payload);
-	    this.output.predM3PerSec = this.predM3PerSec;
+        break;
-	    this.output.timePassed = this.timePassed;
+      case 'rain_data':
-	    this.output.timeLeft = this.timeLeft;
+        this.updateRainData(payload);
-	    this.output.m3Total = this.m3Total;
+        break;
-	    this.output.q = this.q;
+      case 'input_q':
-	    this.output.maxVolume = this.maxVolume;
+        this.updateManualFlow(payload);
-	    this.output.minVolume = this.minVolume;
+        break;
-	    this.output.nextDate = this.nextDate;
+      default:
-	    this.output.daysPerYear = this.daysPerYear;
+        break;
+    }
   }
 
-	  getOutput() {
+  updateMonsternametijden(value) {
-	    this._syncOutput();
+    if (!this.init || !value || Object.keys(value).length === 0) {
-	    return this.output;
+      return;
     }
 
-	  /*-------------------               GETTER/SETTERS Dynamics               -------------------*/
+    if (
-	  set monsternametijden(value){
+      typeof value[0]?.SAMPLE_NAME !== 'undefined' &&
-
+      typeof value[0]?.DESCRIPTION !== 'undefined' &&
-    if(this.init){
+      typeof value[0]?.SAMPLED_DATE !== 'undefined' &&
-      if(Object.keys(value).length > 0){
+      typeof value[0]?.START_DATE !== 'undefined' &&
-
+      typeof value[0]?.END_DATE !== 'undefined'
-        //check if push is in valid format and not null
+    ) {
-        if(
+      this.monsternametijden = value;
-          typeof value[0].SAMPLE_NAME !== 'undefined'
-          &&
-          typeof value[0].DESCRIPTION !== 'undefined'
-          &&
-          typeof value[0].SAMPLED_DATE !== 'undefined'
-          &&
-          typeof value[0].START_DATE !== 'undefined'
-          &&
-          typeof value[0].END_DATE !== 'undefined'
-          ){
-    
-            //each time this changes we load the next date applicable for this function
-            this._monsternametijden = value;
-
-            //fetch dates
       this.regNextDate(value);
-    
-          }
-          else{
-            // Monsternametijden object Wrong format contact AQUON
-          }
-        }
-        else{
-          // Monsternametijden object Wrong format contact AQUON
-        }
     }
   }
 
-  get monsternametijden(){
+  updateRainData(value) {
-    return this._monsternametijden;
+    this.rain_data = value;
-  }
+    this.lastRainUpdate = Date.now();
 
-  set rain_data(value){
+    if (this.init && !this.running) {
-   
-    //retrieve precipitation expected during the coming day and precipitation of yesterday
-    this._rain_data = value;
-
-    //only update after init and is not running. 
-    if(this.init && !this.running){
       this.updatePredRain(value);
     }
-
   }
 
-  get rain_data(){
+  updateBucketVol(val) {
-    return this._rain_data;
+    this.bucketVol = val;
-  }
-
-  set bucketVol(val){
-    
-    //Put val in local var
-    this._bucketVol = val;
-
-    //Place into output object
-    this.output.bucketVol = val;
-
-    // update bucket weight
     this.bucketWeight = val + this.emptyWeightBucket;
   }
 
-  get bucketVol(){
+  getSampleCooldownMs() {
-    return this._bucketVol;
+    if (!this.lastSampleTime) {
+      return 0;
+    }
+    const remaining = (this.minSampleIntervalSec * 1000) - (Date.now() - this.lastSampleTime);
+    return Math.max(0, remaining);
   }
 
-  set minVolume(val){
+  validateFlowBounds() {
-    
+    const min = Number(this.nominalFlowMin);
-    //Protect against 0
+    const max = Number(this.flowMax);
-    val == 0 ? val = 1 : val = val;
+    const valid = Number.isFinite(min) && Number.isFinite(max) && min >= 0 && max > 0 && min < max;
-
+    this.invalidFlowBounds = !valid;
-    this._minVolume = val;
+    if (!valid) {
-
+      this.logger.warn(`Invalid flow bounds. nominalFlowMin=${this.nominalFlowMin}, flowMax=${this.flowMax}`);
-    //Place into output object
+    }
-    this.output.minVolume = val;
+    return valid;
   }
 
-  get minVolume(){
+  getRainIndex() {
-    return this._minVolume;
+    if (!this.lastRainUpdate) {
+      return 0;
+    }
+    if (Date.now() - this.lastRainUpdate > this.rainStaleMs) {
+      return 0;
+    }
+    return Number.isFinite(this.avgRain) ? this.avgRain : 0;
   }
 
-  set q(val){
+  getPredictedFlowRate() {
-    
+    const min = Number(this.nominalFlowMin);
-    //Put val in local var
+    const max = Number(this.flowMax);
-    this._q = val;
+    if (!Number.isFinite(min) || !Number.isFinite(max) || min < 0 || max <= 0 || min >= max) {
-
+      return 0;
-    //Place into output object
+    }
-    this.output.q = val;
+    const rainIndex = this.getRainIndex();
-
+    const scale = Math.max(0, Math.min(1, this.rainMaxRef > 0 ? rainIndex / this.rainMaxRef : 0));
+    return min + (max - min) * scale;
   }
 
-  get q(){
+
-    return this._q;
+  updateManualFlow(payload = {}) {
+    const value = Number(payload.value);
+    if (!Number.isFinite(value)) {
+      return;
+    }
+
+    const unit = payload.unit || 'm3/h';
+    this.manualFlow = value;
+    this.measurements
+      .type('flow')
+      .variant('manual')
+      .position('atequipment')
+      .value(value, Date.now(), unit);
+  }
+
+  handleMeasuredFlow(eventData) {
+    const value = Number(eventData?.value);
+    if (!Number.isFinite(value)) {
+      return;
+    }
+
+    const position = String(eventData.position || 'atequipment').toLowerCase();
+    const unit = eventData.unit || 'm3/h';
+    this.measurements
+      .type('flow')
+      .variant('measured')
+      .position(position)
+      .value(value, eventData.timestamp || Date.now(), unit);
+  }
+
+  getMeasuredFlow() {
+    const positions = ['upstream', 'downstream', 'atequipment'];
+    const values = [];
+
+    positions.forEach((position) => {
+      const measured = this.measurements
+        .type('flow')
+        .variant('measured')
+        .position(position)
+        .getCurrentValue();
+
+      if (Number.isFinite(measured)) {
+        values.push(measured);
+      }
+    });
+
+    if (!values.length) {
+      return null;
+    }
+
+    const sum = values.reduce((total, curr) => total + curr, 0);
+    return sum / values.length;
+  }
+
+  getManualFlow() {
+    const manual = this.measurements
+      .type('flow')
+      .variant('manual')
+      .position('atequipment')
+      .getCurrentValue();
+
+    return Number.isFinite(manual) ? manual : null;
+  }
+
+  getEffectiveFlow() {
+    const measured = this.getMeasuredFlow();
+    const manual = this.getManualFlow();
+
+    if (measured != null && manual != null) {
+      return (measured + manual) / 2;
+    }
+
+    if (measured != null) {
+      return measured;
+    }
+
+    if (manual != null) {
+      return manual;
+    }
+
+    return 0;
+  }
+
+  registerChild(child, softwareType) {
+    if (softwareType !== 'measurement' || !child?.measurements?.emitter) {
+      return;
+    }
+
+    const childType = child?.config?.asset?.type;
+    if (childType && childType !== 'flow') {
+      return;
+    }
+
+    const handler = (eventData) => this.handleMeasuredFlow(eventData);
+    child.measurements.emitter.on('flow.measured.upstream', handler);
+    child.measurements.emitter.on('flow.measured.downstream', handler);
+    child.measurements.emitter.on('flow.measured.atequipment', handler);
+  }
+
+  getOutput() {
+    const output = this.measurements.getFlattenedOutput();
+    const flowRate = Number(this.q) || 0;
+    const m3PerPulse = Number(this.m3PerPuls) || 0;
+    const pulseFraction = Number(this.temp_pulse) || 0;
+    const targetVolumeM3 = Number(this.targetVolume) > 0 ? this.targetVolume / 1000 : 0;
+    const flowToNextPulseM3 = m3PerPulse > 0 ? Math.max(0, (1 - pulseFraction) * m3PerPulse) : 0;
+    const timeToNextPulseSec = flowRate > 0 && flowToNextPulseM3 > 0
+      ? Math.round((flowToNextPulseM3 / (flowRate / 3600)) * 100) / 100
+      : 0;
+    const targetProgressPct = targetVolumeM3 > 0
+      ? Math.round((this.m3Total / targetVolumeM3) * 10000) / 100
+      : 0;
+    const targetDeltaM3 = targetVolumeM3 > 0
+      ? Math.round((this.m3Total - targetVolumeM3) * 10000) / 10000
+      : 0;
+
+    output.pulse = this.pulse;
+    output.running = this.running;
+    output.bucketVol = this.bucketVol;
+    output.bucketWeight = this.bucketWeight;
+    output.sumPuls = this.sumPuls;
+    output.predFlow = this.predFlow;
+    output.predM3PerSec = this.predM3PerSec;
+    output.timePassed = this.timePassed;
+    output.timeLeft = this.timeLeft;
+    output.m3Total = this.m3Total;
+    output.q = this.q;
+    output.nominalFlowMin = this.nominalFlowMin;
+    output.flowMax = this.flowMax;
+    output.invalidFlowBounds = this.invalidFlowBounds;
+    output.minSampleIntervalSec = this.minSampleIntervalSec;
+    output.missedSamples = this.missedSamples;
+    output.sampleCooldownMs = this.getSampleCooldownMs();
+    output.maxVolume = this.maxVolume;
+    output.minVolume = this.minVolume;
+    output.nextDate = this.nextDate;
+    output.daysPerYear = this.daysPerYear;
+    output.m3PerPuls = this.m3PerPuls;
+    output.m3PerPulse = this.m3PerPuls;
+    output.pulsesRemaining = Math.max(0, (this.targetPuls || 0) - (this.sumPuls || 0));
+    output.pulseFraction = pulseFraction;
+    output.flowToNextPulseM3 = flowToNextPulseM3;
+    output.timeToNextPulseSec = timeToNextPulseSec;
+    output.targetVolumeM3 = targetVolumeM3;
+    output.targetProgressPct = targetProgressPct;
+    output.targetDeltaM3 = targetDeltaM3;
+    output.predictedRateM3h = this.getPredictedFlowRate();
+
+    return output;
   }
 
   /*-------------------               FUNCTIONS               -------------------*/
@@ -357,15 +499,15 @@ class Monster{
 }
 
 
-get_model_prediction(){
+  get_model_prediction(){
-  // Offline-safe fallback: assume constant inflow `q` during `sampling_time`.
+  // Linear predictor based on rain index with flow bounds.
-  // `q` is in m3/h; `sampling_time` is in hours; result is total predicted volume in m3.
   const samplingHours = Number(this.sampling_time) || 0;
-  const flowM3PerHour = Number(this.q) || 0;
+  const predictedRate = this.getPredictedFlowRate();
+  const fallbackRate = this.getEffectiveFlow();
+  const flowM3PerHour = predictedRate > 0 ? predictedRate : fallbackRate;
   const fallback = Math.max(0, flowM3PerHour * samplingHours);
 
   this.predFlow = fallback;
-  this._syncOutput();
   return this.predFlow;
 }
 
@@ -488,12 +630,18 @@ async model_loader(inputs){
     // ------------------ Run once on conditions and start sampling
     if( ( (this.i_start ) || ( Date.now() >= this.nextDate ) )  && !this.running ){
 
+      if (!this.validateFlowBounds()) {
+        this.running = false;
+        this.i_start = false;
+        return;
+      }
+      
       this.running = true;
 
       // reset persistent vars
       this.temp_pulse   = 0;
       this.pulse        = false;
-      this.bucketVol    = 0;
+      this.updateBucketVol(0);
       this.sumPuls      = 0;
       this.m3Total      = 0;      
       this.timePassed   = 0;      // time in seconds
@@ -534,14 +682,30 @@ async model_loader(inputs){
 
       // check if we need to send out a pulse (stop sending pulses if capacity is reached)
       if(this.temp_pulse >= 1 && this.sumPuls < this.absMaxPuls){
+        const now = Date.now();
+        const cooldownMs = this.minSampleIntervalSec * 1000;
+        const blocked = this.lastSampleTime && (now - this.lastSampleTime) < cooldownMs;
+
+        if (blocked) {
+          this.missedSamples++;
+          this.pulse = false;
+          this.temp_pulse = Math.min(this.temp_pulse, 1);
+
+          if (!this.lastSampleWarnTime || (now - this.lastSampleWarnTime) > cooldownMs) {
+            this.lastSampleWarnTime = now;
+            this.logger.warn(`Sampling too fast. Cooldown active for ${Math.ceil((cooldownMs - (now - this.lastSampleTime)) / 1000)}s.`);
+          }
+        } else {
           // reset
           this.temp_pulse += -1;
           // send out a pulse and add to count
           this.pulse = true;
+          this.lastSampleTime = now;
           // count pulses
           this.sumPuls++;
-        // update bucket volume each puls
+          // update bucket volume each pulse
-        this.bucketVol = Math.round(this.sumPuls * this.volume_pulse * 100) / 100;
+          this.updateBucketVol(Math.round(this.sumPuls * this.volume_pulse * 100) / 100);
+        }
 
       }
       else{
@@ -566,7 +730,7 @@ async model_loader(inputs){
         this.m3PerPuls   = 0;
         this.temp_pulse   = 0;
         this.pulse        = false;
-        this.bucketVol    = 0;
+        this.updateBucketVol(0);
         this.sumPuls     = 0;      
         this.timePassed   = 0;      // time in seconds
         this.timeLeft     = 0;      // time in seconds
@@ -600,6 +764,9 @@ async model_loader(inputs){
     // ------------------ 1.0 Main program loop ------------------
     this.logger.debug('Monster tick running');
 
+    //resolve effective flow in m3/h
+    this.q = this.getEffectiveFlow();
+
     //calculate flow based on input
     this.flowCalc();
 
@@ -608,8 +775,6 @@ async model_loader(inputs){
 
     //logQ for predictions / forecasts
     this.logQoverTime();
-
-    this._syncOutput();
   }
 
   regNextDate(monsternametijden){
@@ -707,11 +872,11 @@ const mConfig={
   },
 }
 
-const monster = new Monster(mConfig);
+if (require.main === module) {
-(async () => {
+  const monster = new Monster(mConfig);
+  (async () => {
     const intervalId = setInterval(() => {
-    monster.tick()
+      monster.tick();
-    ;},1000)
+    }, 1000);
-  
+  })();
-})();
+}
-

test/monster.specific.test.js

@@ -0,0 +1,256 @@
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+const Monster = require('../src/specificClass');
+const { MeasurementContainer } = require('generalFunctions');
+
+function test(name, fn) {
+  try {
+    fn();
+    console.log(`ok - ${name}`);
+  } catch (err) {
+    console.error(`not ok - ${name}`);
+    console.error(err);
+    process.exitCode = 1;
+  }
+}
+
+function withMockedDate(iso, fn) {
+  const RealDate = Date;
+  let now = new RealDate(iso).getTime();
+
+  class MockDate extends RealDate {
+    constructor(...args) {
+      if (args.length === 0) {
+        super(now);
+      } else {
+        super(...args);
+      }
+    }
+
+    static now() {
+      return now;
+    }
+  }
+
+  global.Date = MockDate;
+  try {
+    return fn({
+      advance(ms) {
+        now += ms;
+      }
+    });
+  } finally {
+    global.Date = RealDate;
+  }
+}
+
+function buildConfig(overrides = {}) {
+  return {
+    general: {
+      name: 'Monster Test',
+      logging: { enabled: false, logLevel: 'error' }
+    },
+    asset: {
+      emptyWeightBucket: 3
+    },
+    constraints: {
+      samplingtime: 1,
+      minVolume: 5,
+      maxWeight: 23,
+      nominalFlowMin: 1,
+      flowMax: 10
+    },
+    ...overrides
+  };
+}
+
+function parseMonsternametijdenCsv(filePath) {
+  const raw = fs.readFileSync(filePath, 'utf8').trim();
+  const lines = raw.split(/\r?\n/);
+  const header = lines.shift();
+  const columns = header.split(',');
+
+  return lines
+    .filter((line) => line && !line.startsWith('-----------'))
+    .map((line) => {
+      const parts = [];
+      let cur = '';
+      let inQ = false;
+      for (let i = 0; i < line.length; i++) {
+        const ch = line[i];
+        if (ch === '"') {
+          inQ = !inQ;
+          continue;
+        }
+        if (ch === ',' && !inQ) {
+          parts.push(cur);
+          cur = '';
+        } else {
+          cur += ch;
+        }
+      }
+      parts.push(cur);
+      const obj = {};
+      columns.forEach((col, idx) => {
+        obj[col] = parts[idx];
+      });
+      return obj;
+    });
+}
+
+test('measured + manual flow averages into effective flow', () => {
+  withMockedDate('2024-10-15T00:00:00Z', ({ advance }) => {
+    const monster = new Monster(buildConfig());
+
+    const child = {
+      config: {
+        general: { id: 'child-1', name: 'FlowSensor' },
+        asset: { type: 'flow' }
+      },
+      measurements: new MeasurementContainer({
+        autoConvert: true,
+        defaultUnits: { flow: 'm3/h' }
+      })
+    };
+
+    monster.registerChild(child, 'measurement');
+
+    child.measurements
+      .type('flow')
+      .variant('measured')
+      .position('downstream')
+      .value(60, Date.now(), 'm3/h');
+
+    monster.handleInput('input_q', { value: 20, unit: 'm3/h' });
+
+    advance(1000);
+    monster.tick();
+
+    assert.strictEqual(monster.q, 40);
+  });
+});
+
+test('invalid flow bounds prevent sampling start', () => {
+  const monster = new Monster(buildConfig({
+    constraints: {
+      samplingtime: 1,
+      minVolume: 5,
+      maxWeight: 23,
+      nominalFlowMin: 10,
+      flowMax: 5
+    }
+  }));
+
+  monster.handleInput('i_start', true);
+  monster.sampling_program();
+
+  assert.strictEqual(monster.invalidFlowBounds, true);
+  assert.strictEqual(monster.running, false);
+  assert.strictEqual(monster.i_start, false);
+});
+
+test('flowCalc uses elapsed time to compute m3PerTick', () => {
+  withMockedDate('2024-10-15T00:00:00Z', ({ advance }) => {
+    const monster = new Monster(buildConfig());
+    monster.q = 36; // m3/h
+
+    monster.flowCalc();
+    assert.strictEqual(monster.m3PerTick, 0);
+
+    advance(10000);
+    monster.flowCalc();
+
+    const expected = 0.1; // 36 m3/h -> 0.01 m3/s over 10s
+    assert.ok(Math.abs(monster.m3PerTick - expected) < 1e-6);
+  });
+});
+
+test('prediction fallback uses nominalFlowMin * sampling_time when rain is stale', () => {
+  const monster = new Monster(buildConfig());
+  monster.nominalFlowMin = 4;
+  monster.flowMax = 10;
+  monster.rainMaxRef = 8;
+  monster.sampling_time = 24;
+  monster.lastRainUpdate = 0;
+  const pred = monster.get_model_prediction();
+  assert.strictEqual(pred, 96);
+});
+
+test('pulses increment when running with manual flow and zero nominalFlowMin', () => {
+  withMockedDate('2024-10-15T00:00:00Z', ({ advance }) => {
+    const monster = new Monster(buildConfig({
+      constraints: {
+        samplingtime: 1,
+        minVolume: 5,
+        maxWeight: 23,
+        nominalFlowMin: 0,
+        flowMax: 6000,
+        minSampleIntervalSec: 60,
+        maxRainRef: 10
+      }
+    }));
+
+    monster.handleInput('input_q', { value: 200, unit: 'm3/h' });
+    monster.handleInput('i_start', true);
+
+    for (let i = 0; i < 80; i++) {
+      advance(1000);
+      monster.tick();
+    }
+
+    assert.ok(monster.sumPuls > 0);
+    assert.ok(monster.bucketVol > 0);
+    assert.ok(monster.missedSamples > 0);
+    assert.ok(monster.getSampleCooldownMs() > 0);
+  });
+});
+
+test('rain data aggregation produces totals', () => {
+  const monster = new Monster(buildConfig());
+  const rainPath = path.join(__dirname, 'seed_data', 'raindataFormat.json');
+  const rainData = JSON.parse(fs.readFileSync(rainPath, 'utf8'));
+
+  monster.updateRainData(rainData);
+
+  assert.ok(Object.keys(monster.aggregatedOutput).length > 0);
+  assert.ok(monster.sumRain >= 0);
+  assert.ok(monster.avgRain >= 0);
+});
+
+test('monsternametijden schedule sets next date', () => {
+  withMockedDate('2024-10-15T00:00:00Z', () => {
+    const monster = new Monster(buildConfig());
+    const csvPath = path.join(__dirname, 'seed_data', 'monsternametijden.csv');
+    const rows = parseMonsternametijdenCsv(csvPath);
+
+    monster.aquonSampleName = '112100';
+    monster.updateMonsternametijden(rows);
+
+    const nextDate = monster.nextDate instanceof Date
+      ? monster.nextDate.getTime()
+      : Number(monster.nextDate);
+
+    assert.ok(Number.isFinite(nextDate));
+    assert.ok(nextDate > Date.now());
+  });
+});
+
+test('output includes pulse and flow fields', () => {
+  const monster = new Monster(buildConfig());
+  const output = monster.getOutput();
+
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'pulse'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'q'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'm3PerPuls'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'm3PerPulse'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'pulsesRemaining'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'pulseFraction'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'flowToNextPulseM3'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'timeToNextPulseSec'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'targetVolumeM3'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'targetProgressPct'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'targetDeltaM3'));
+  assert.ok(Object.prototype.hasOwnProperty.call(output, 'predictedRateM3h'));
+});