version: 1

ruleTemplates:
  ohrt-upgradeCheck:
    label: openHAB Upgrade Check
    description: Runs at midnight and checks to see if the current version of OH differes from the latest release
    tags:
      - OHRT
      - Version_1.1
    configDescriptions:
      curr:
        label: Current Version Item
        description: Item that holds the current running verison of OH.
        context: item
        required: true
        type: TEXT
        filterCriteria:
          - name: type
            value: String
      latest:
        label: Latest Version Item
        description: Item that holds the latest published version of OH.
        context: item
        required: true
        type: TEXT
        filterCriteria:
          - name: type
            value: String
      up:
        label: Upgrade Available Item
        description: Item that will be set to ON when the upgrade is available
        context: item
        required: true
        type: TEXT
        filterCriteria:
          - name: type
            value: Switch
    triggers:
      - id: "midnight_trigger"
        label: Midnight
        description: Three minutes after midnight to avoid conflicts with other rules
        type: timer.TimeOfDayTrigger
        config:
          time: 00:03
    actions:
      - id: "update_check_action"
        label: "Update Check"
        description: Checks GitHub for the latest release and compares to running version
        type: Script
        config:
          type: javascript
          script: |
            'use wrapper=true'
            const loggerBase = 'org.openhab.automation.ohrt-upgradeCheck.'+ruleUID;
            console.loggerName = loggerBase;
            //osgi.getService('org.apache.karaf.log.core.LogService').setLevel(console.loggerName, 'DEBUG');

            // Current Version
            const currVersion = Java.type('org.openhab.core.OpenHAB').version;

            // Latest Release
            const releasePage =
            actions.HTTP.sendHttpGetRequest('https://api.github.com/repos/openhab/openhab-distro/releases/latest');
            const parsed = JSON.parse(releasePage);
            const latestVersion = parsed.tag_name;

            items['{{curr}}'].postUpdate(currVersion);
            items['{{latest}}'].postUpdate(latestVersion);
            const upgradeAvail = (currVersion == latestVersion) ? "OFF" : "ON"
            items['{{up}}'].postUpdate(upgradeAvail);
            
            if(upgradeAvail == "ON") console.info( 'A new version of openHAB is available! Curr Version: ' + currVersion + ' Latest Release: ' + latestVersion );
            else console.debug( 'You are on the latest version: ' + latestVersion );