name: Build & Push Docker Images (Standard & Tailscale in One Repo)

on:
  schedule:
    - cron: '15 19 * * *'  # Exécute automatiquement tous les jours à 19h15 UTC
  push:
    branches: [ "main" ]  # Se déclenche à chaque push sur main
    tags: [ 'v*.*.*' ]  # Publie les tags s'ils suivent un format semver (ex: v1.2.3)
  pull_request:
    branches: [ "main" ]  # Teste sur PR sans push

env:
  REGISTRY_GHCR: ghcr.io
  REGISTRY_DOCKERHUB: docker.io
  IMAGE_NAME: ripleybooya/ssh-tunnel  # Nom de l’image Docker

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write
      id-token: write  # Nécessaire pour la signature avec Cosign

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

      - name: Set up QEMU for multi-platform builds
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # 🔑 Connexion à GitHub Container Registry
      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_GHCR }}
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_TOKEN }}

      # 🔑 Connexion à Docker Hub
      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      # 🏗 Build et push de l'image standard (latest)
      - name: "Build and push standard Docker image (tag: latest)"
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          context: .  # Utilisation du répertoire courant
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.REGISTRY_GHCR }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY_DOCKERHUB }}/${{ env.IMAGE_NAME }}:latest
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # 🏗 Build et push de la version Tailscale
      - name: "Build and push Tailscale variant (tag: tailscale)"
        id: build-and-push-tailscale
        uses: docker/build-push-action@v5
        with:
          context: .  # Utilisation du répertoire courant
          file: Dockerfile.tailscale  # Utilisation du Dockerfile spécifique
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.REGISTRY_GHCR }}/${{ env.IMAGE_NAME }}:tailscale
            ${{ env.REGISTRY_DOCKERHUB }}/${{ env.IMAGE_NAME }}:tailscale
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # 🔒 Installer Cosign avant de signer les images
      - name: Install cosign
        uses: sigstore/cosign-installer@v3

      # 🔒 Signature des images après le push
      - name: Sign the published Docker images
        if: ${{ github.event_name != 'pull_request' }}
        env:
          TAGS: |
            ${{ env.REGISTRY_GHCR }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY_GHCR }}/${{ env.IMAGE_NAME }}:tailscale
            ${{ env.REGISTRY_DOCKERHUB }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY_DOCKERHUB }}/${{ env.IMAGE_NAME }}:tailscale
          DIGEST_LATEST: ${{ steps.build-and-push.outputs.digest }}
          DIGEST_TAILSCALE: ${{ steps.build-and-push-tailscale.outputs.digest }}
        run: |
          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST_LATEST}
          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST_TAILSCALE}

      # 🔹 Mise à jour automatique de la description du repository Docker Hub
      - name: Update Docker Hub Description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}
          repository: ripleybooya/ssh-tunnel  # Nom du repo Docker Hub
          readme-filepath: ./README.md  # Récupère la description depuis le README GitHub