name: Build and Publish Docker Images
run-name: Build & Publish by @${{ github.actor }}

on:
  push:
    branches: [ "main" ]
    paths:
      - 'backend/**'
      - 'platform/**'
      - 'core/**'
      - 'frontend/**'
      - 'config/docker/**'
      - 'docker-compose.yaml'
      - '.gitea/workflows/docker-publish.yaml'

env:
  # Interner Registry-Endpunkt: direkter HTTP-Zugriff, umgeht Pangolin-Tunnel komplett
  REGISTRY_INTERNAL: 10.0.0.22:3000
  IMAGE_PREFIX: mocode-software/meldestelle
  JAVA_VERSION: "25"
  GRADLE_VERSION: "9.4.0"
  KEYCLOAK_IMAGE_TAG: "26.5.5"
  # Workers auf 4 limitiert: verhindert OOM auf dem 16GB Runner (VM 102)
  GRADLE_OPTS: "-Dorg.gradle.parallel=true -Dorg.gradle.workers.max=4"
  JVM_OPTS_ARM64: "-XX:ActiveProcessorCount=8 -XX:+UseZGC -XX:+UseTransparentHugePages"

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      # max-parallel: 1 → sequenzielle Ausführung verhindert RAM-OOM auf Zora (16GB VM)
      max-parallel: 1
      matrix:
        include:
          # Plan-B fokussiert: Nur Mail-Service + Web-App bauen/pushen (beschleunigt CI deutlich)
          - service: mail-service
            context: .
            dockerfile: backend/services/mail/Dockerfile
            image: mail-service
          - service: web-app
            context: .
            dockerfile: config/docker/caddy/web-app/Dockerfile
            image: web-app

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up JDK ${{ env.JAVA_VERSION }}
        uses: actions/setup-java@v4
        with:
          java-version: ${{ env.JAVA_VERSION }}
          distribution: "temurin"
          cache: gradle

      # --- SCHRITT 1: Build mit radikalem Clean (gegen die März-Leichen) ---
      - name: Build Frontend (Wasm JS)
        if: matrix.service == 'web-app'
        run: |
          chmod +x gradlew
          # Löscht alte Build-Stände komplett
          ./gradlew :frontend:shells:meldestelle-web:clean

          ./gradlew :frontend:shells:meldestelle-web:wasmJsBrowserDistribution \
            -Pproduction=true \
            --max-workers=4 \
            -Dkotlin.daemon.jvm.options="-Xmx4g"

      # --- SCHRITT 2: Staging ohne rsync (Fix für dein Log-Fehler) ---
      - name: Stage Web Assets for Docker build
        if: matrix.service == 'web-app'
        run: |
          set -e
          DIST_DIR="frontend/shells/meldestelle-web/build/dist/wasmJs/productionExecutable"
          TARGET_DIR="config/docker/caddy/web-app/_site"

          if [ ! -d "$DIST_DIR" ]; then
            echo "❌ Fehler: Build-Verzeichnis nicht gefunden!"
            exit 1
          fi

          # Ersetzt rsync durch sicheres Löschen & Kopieren
          rm -rf "$TARGET_DIR"
          mkdir -p "$TARGET_DIR"
          cp -r "$DIST_DIR"/. "$TARGET_DIR/"
          # Kopiere Turnier-Ausschreibungen (PDFs) für Plan-B
          cp docs/Neumarkt2026/*.pdf "$TARGET_DIR/" || true

          echo "✓ Assets für Docker vorbereitet (Stand: $(date))"

      # --- SCHRITT 3: Login & BuildX ---
      # NEU (sauber, nach daemon.json-Fix):
      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_INTERNAL }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      # BuildKit-Instanz mit HTTP-Unterstützung für die interne Registry konfigurieren.
      # KEIN sudo, KEIN systemctl, KEIN Neustart — rein konfigurativ.
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          config-inline: |
            [registry."10.0.0.22:3000"]
              http = true
              insecure = true

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_INTERNAL }}/${{ env.IMAGE_PREFIX }}/${{ matrix.image }}
          tags: |
            type=raw,value=latest
            type=sha,format=long

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: true
          platforms: linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false
          sbom: false
          build-args: |
            BUILD_DATE=${{ github.event.head_commit.timestamp || 'unknown' }}
            VERSION=${{ github.sha }}