# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements; and to You under the Apache License, Version 2.0.

# Deployment using this manifest file creates following OpenWhisk components:
#   Package:    openwhisk-slack
#   Package:    openwhisk-alarms
#   Action:     send-message
#   Sequence:   post_message_slack_sequence
#   Trigger:    $TRIGGER_NAME
#   Rule:       $RULE_NAME

# This manifest file reads following env. variables:
#   SLACK_WEBHOOK_URL
#   ALARM_CRON
#   PACKAGE_NAME
#   TRIGGER_NAME
#   RULE_NAME

project:
    namespace: _
    inputs:
        PACKAGE_NAME:
            type: string
            description: "Slack User Name"
            required: false
            value: periodic-slack-reminder
        SLACK_WEBHOOK_URL:
            type: string
            description: "Slack Webhook URL"
            required: true
            value: $SLACK_WEBHOOK_URL
        ALARM_CRON:
            type: string
            description: "Alarm Cron Frequency"
            required: true
            # every day 8 AM
            value: "0 8 * * *"
        TRIGGER_NAME:
            type: string
            description: "Trigger Name"
            required: false
            value: "periodic-slack-reminder-trgr"
        RULE_NAME:
            type: string
            description: "Rule Name"
            required: false
            value: "post-to-slack-every-day"
    packages:
        $PACKAGE_NAME:
            dependencies:
                # binding alarms package named openwhisk-alarms and slack package openwhisk-slack
                openwhisk-slack:
                    location: /whisk.system/slack
                    inputs:
                        url: $SLACK_WEBHOOK_URL
                openwhisk-alarms:
                    location: /whisk.system/alarms
                    inputs:
                        cron: $ALARM_CRON
            triggers:
                # Creating trigger to fire events on alarm schedule
                $TRIGGER_NAME:
                    feed: openwhisk-alarms/alarm
                    inputs:
                        events: 'push'
            actions:
                # Creating action that is sending message to slack post action
                send-message:
                    code: |
                              function main(params) {
                                const message = 'Your scrum is starting now.  Time to find your team!';
                                return { text: message };
                              }
                              exports.main = main;
                    runtime: nodejs:6
            sequences:
                # Creating sequence to connect the send-message action with the slack post action
                post_message_slack_sequence:
                    actions: send-message, openwhisk-slack/post
            rules:
                # Creating rule that maps alarm trigger to sequence
                $RULE_NAME:
                    trigger: $TRIGGER_NAME
                    action: post_message_slack_sequence