name: Docker

on:
  workflow_dispatch:

jobs:
  docker:
    name: Docker Build
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Extract version from Cargo.toml
        id: cargo-version
        run: |
          VERSION=v$(grep -m1 "^version" Cargo.toml | cut -d'"' -f2)
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Check there is no existing image with the same version
        run: |
          if docker manifest inspect ghcr.io/gyulyvgc/sniffnet:${{ env.VERSION }}; then
            echo "Image with version ${{ env.VERSION }} already exists"
            exit 1
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: GyulyVGC
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: |
            ghcr.io/gyulyvgc/sniffnet:latest
            ghcr.io/gyulyvgc/sniffnet:${{ env.VERSION }}