name: "Ntfy Notify"
description: "Sendet Build-Status-Benachrichtigungen an den internen Ntfy-Server (notify.data-it-solution.de)"
author: "data-it-solution"

inputs:
  status:
    description: "Build-Status: start, success, failure"
    required: true
  project:
    description: "Projekt-Name (erscheint im Titel)"
    required: true
  topic:
    description: "Ntfy-Topic (Default: vk-builds fuer alles)"
    required: false
    default: "vk-builds"
  message:
    description: "Frei waehlbarer Nachrichtentext (Default: Commit-Message)"
    required: false
    default: ""
  ntfy_auth:
    description: "Basic-Auth-Header-Wert (aus Secret NTFY_AUTH)"
    required: true
  ntfy_server:
    description: "Ntfy-Server-URL (Default: https://notify.data-it-solution.de)"
    required: false
    default: "https://notify.data-it-solution.de"
  run_number:
    description: "Workflow-Run-Nummer (fuer den Titel)"
    required: false
    default: ""
  click_url:
    description: "URL, die beim Klick auf die Benachrichtigung geoeffnet wird"
    required: false
    default: ""

runs:
  using: "composite"
  steps:
    - name: Send Ntfy Notification
      shell: sh
      env:
        NTFY_AUTH: ${{ inputs.ntfy_auth }}
        NTFY_SERVER: ${{ inputs.ntfy_server }}
        NTFY_TOPIC: ${{ inputs.topic }}
        STATUS: ${{ inputs.status }}
        PROJECT: ${{ inputs.project }}
        MSG: ${{ inputs.message }}
        RUN: ${{ inputs.run_number }}
        CLICK: ${{ inputs.click_url }}
      run: |
        # Status -> Title, Priority, Tags
        case "$STATUS" in
          start)
            TITLE="$PROJECT Build gestartet"
            PRIO="default"
            TAGS="hammer_and_wrench,$PROJECT"
            ;;
          success)
            TITLE="$PROJECT Build erfolgreich"
            PRIO="high"
            TAGS="white_check_mark,$PROJECT"
            ;;
          failure)
            TITLE="$PROJECT Build FEHLGESCHLAGEN"
            PRIO="urgent"
            TAGS="x,rotating_light,$PROJECT"
            ;;
          *)
            TITLE="$PROJECT ($STATUS)"
            PRIO="default"
            TAGS="information_source,$PROJECT"
            ;;
        esac

        # Default-Message = "#<run>: <commit-message>" falls leer
        if [ -z "$MSG" ]; then
          MSG="#$RUN"
        elif [ -n "$RUN" ]; then
          MSG="#$RUN: $MSG"
        fi

        # Header zusammenbauen (Click-URL optional)
        HDR_CLICK=""
        if [ -n "$CLICK" ]; then
          HDR_CLICK="--header=Click: $CLICK"
        fi

        # wget, weil in den meisten Runner-Images vorinstalliert.
        # `|| true` damit ein Ntfy-Ausfall den Build nicht rot macht.
        wget -q -O- \
          --header="Authorization: $NTFY_AUTH" \
          --header="Title: $TITLE" \
          --header="Priority: $PRIO" \
          --header="Tags: $TAGS" \
          $HDR_CLICK \
          --post-data="$MSG" \
          "$NTFY_SERVER/$NTFY_TOPIC" || true