name: Docker Image CI

on:
  # Se déclenche automatiquement quand tu publies une nouvelle "Release" sur GitHub
  release:
    types: [published]
  # Permet de lancer le script manuellement depuis l'interface GitHub (onglet Actions)
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  # On récupère le nom de ton dépôt (ex: nonobzh22/hydr-hacked)
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write # Nécessaire pour pousser l'image sur le GitHub Container Registry

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      # Cette étape met le nom de l'image en minuscules pour éviter les erreurs Docker
      - name: Lowercase the image name
        run: echo "IMAGE_NAME=$(echo ${{ env.IMAGE_NAME }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          # GitHub fournit automatiquement ces identifiants lors de l'exécution, pas besoin de les créer !
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=raw,value=latest,enable=${{ github.event_name == 'release' || github.ref == 'refs/heads/main' }}
            type=ref,event=branch

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}