name: notify teams
description: "Post a message to Teams"

inputs:
  teamsWebhookURI:
    description: "URI to send a message to the Teams channel"
    required: true
  title:
    description: "Title of the Teams notification"
    required: true
  assignee:
    description: "Assignee of the message"
    required: true
  additionalFields:
    description: "Additional fields to add to the Teams message (JSON formatted)"
    default: "[]"
  additionalButtons:
    description: "Additional Buttons to add to the Teams message (JSON formatted)"
    default: "[]"

runs:
  using: "composite"
  steps:
    - name: Notify Teams channel
      continue-on-error: true
      shell: bash
      run: |
        cp .github/teams_payload_template.json teams_payload.json

        # Add workflow name to the notification
        yq -oj -iP '.attachments[0].content.body[0].columns[1].items[0].text = "${{ inputs.title }}"' teams_payload.json
        yq -oj -iP '.attachments[0].content.body[0].columns[1].items[1].text = "${{ github.workflow }}"' teams_payload.json

        # Add additional fields
        yq -oj -iP '.attachments[0].content.body[0].columns[1].items[2].facts += ${{ inputs.additionalFields }} ' teams_payload.json

        # Remove everyone but the assignee from the JSON payload so the final message only contains the assignee
        filtered_entity=$(yq -oj '.attachments[0].content.msteams.entities[] | select(.text == "<at>${{ inputs.assignee }}</at>")' teams_payload.json)
        yq -oj -iP '.attachments[0].content.msteams.entities = [ '"$filtered_entity"' ]' teams_payload.json
        yq -oj -iP '.attachments[0].content.body[0].columns[1].items[2].facts += [ { "title": "Assignee", "value": "<at>${{ inputs.assignee }}</at>" } ]' teams_payload.json

        # Add clickable button which links to the workflow triggering this notification
        yq -oj -iP '.attachments[0].content.actions[0].url = "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"' teams_payload.json

        # Add additional buttons
        yq -oj -iP '.attachments[0].content.actions += ${{ inputs.additionalButtons }}' teams_payload.json

        cat teams_payload.json
        curl \
          -H "Content-Type: application/json" \
          -d @teams_payload.json \
          "${{ inputs.teamsWebhookURI }}"