uid: rules_tools:drive_time
label: Driving Time
description: When run it calculates the time and distance to drive between two fixed points.
configDescriptions:
  - description: Which Waze routing server to use. You will get an "Internal Error" if you choose the wrong one. Defaults to "US".
    label: Region
    name: region
    required: false
    defaultValue: US
    type: TEXT
    options:
      - label: 'AU or EU'
        value: 'row'
      - label: 'IL'
        value: 'il'
      - label: 'US'
        value: 'am'
    limitToOptions: true
  - description: Starting point latitude,longitude 
    label: Start
    name: startPoint
    required: true
    type: TEXT
    context: location
  - description: Ending point latitude,longitude 
    label: Destination
    name: destPoint
    required: true  
    type: TEXT
    context: location
  - name: timeItem
    label: Travel Time Item
    description: Item that stores the travel time.
    type: TEXT
    context: item
    filterCriteria:
      - name: type
        value: Number:Time
    required: true
  - name: distanceItem
    label: Travel Distance Item
    description: Item that stores the travel distance.
    type: TEXT
    context: item
    filterCriteria:
      - name: type
        value: Number:Length
    required: true
triggers: []
conditions: []
actions:
  - inputs: {}
    id: "1"
    configuration:
      type: application/javascript
      script: >
        // Version 0.4

        var loggerBase =
        'org.openhab.automation.rules_tools.DrivingTime.'+ruleUID;

        console.loggerName = loggerBase;

        //osgi.getService('org.apache.karaf.log.core.LogService').setLevel(console.loggerName,
        'DEBUG');


        // Rule Properties

        var FROM_COORD = "{{startPoint}}".split(',');

        var TO_COORD = "{{destPoint}}".split(',');

        var timeItem = items.{{timeItem}};

        var distanceItem = items.{{distanceItem}};

        var region = "{{region}}";


        // Locationms

        var FROM_LON = FROM_COORD[1].trim();

        var FROM_LAT = FROM_COORD[0].trim();

        var TO_LON = TO_COORD[1].trim();

        var TO_LAT = TO_COORD[0].trim();


        // URL

        var WAZE_URL = "https://routing-livemap-"+region+".waze.com/RoutingManager/routingRequest?";

        var URL = WAZE_URL
                  +"from=x%3A"+FROM_LON+"+y%3A"+FROM_LAT+"+bd%3Atrue"
                  +"&to=x%3A"+TO_LON+"+y%3A"+TO_LAT+"+bd%3Atrue"
                  +"&returnJSON=true&returnGeometries=true&returnInstructions=true&timeout=60000&nPaths=1"

        // Headers

        var headers = new Map();

        headers.set("User-Agent", "Mozilla/5.0");

        headers.set("referer", WAZE_URL);


        console.debug("Getting the distance and time to travel between " +
        FROM_COORD + " to " + TO_COORD + " using URL " + URL);



        var rawJSON = actions.HTTP.sendHttpGetRequest(URL, headers, 60000);

        console.trace("Results: \n" + rawJSON);


        var parsed = JSON.parse(rawJSON);


        if(parsed.response === undefined) {
          console.error('Failed to retrieve a parsable response from Waze. "Internal Error" may mean you selected the wrong region. Response:\n' + rawJSON);
        }

        else {
          // Calculate time and distance
          var time = parsed.response.results.map( r => Quantity(r.crossTime + ' s') ).reduce( (total, curr) => total.add(curr), Quantity('0 s') );
          var distance = parsed.response.results.map( d => Quantity( d['length'] + ' m' ) ).reduce( (total, curr) => total.add(curr), Quantity('0 m') );

          console.debug("Time is " + time.toUnit("min") + " and distance is " + distance.toUnit("mi"));
          timeItem.postUpdate(time);
          distanceItem.postUpdate(distance);
        }
    type: script.ScriptAction