name: Docker Release

on:
  push:
    branches:
      - main
    tags:
      - "v*"

jobs:
  # Determine tags to use for all platforms
  determine-tags:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      tags: ${{ steps.determine_tags.outputs.tags }}
      image_name: ${{ steps.determine_tags.outputs.image_name }}
    steps:
      - name: Determine tags
        id: determine_tags
        run: |
          IMAGE_NAME=ghcr.io/${{ github.repository_owner }}/clawdbot
          
          if [[ $GITHUB_REF == refs/heads/main ]]; then
            echo "tags=${IMAGE_NAME}:latest" >> $GITHUB_OUTPUT
            echo "image_name=${IMAGE_NAME}" >> $GITHUB_OUTPUT
          elif [[ $GITHUB_REF == refs/tags/v* ]]; then
            VERSION=$(echo ${GITHUB_REF#refs/tags/v})
            echo "tags=${IMAGE_NAME}:${VERSION},${IMAGE_NAME}:latest" >> $GITHUB_OUTPUT
            echo "image_name=${IMAGE_NAME}" >> $GITHUB_OUTPUT
          fi

  # Build amd64 image
  build-amd64:
    runs-on: ubuntu-latest
    needs: determine-tags
    permissions:
      packages: write
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: false

      - name: Checkout submodules (retry)
        run: |
          set -euo pipefail
          git submodule sync --recursive
          for attempt in 1 2 3 4 5; do
            if git -c protocol.version=2 submodule update --init --force --depth=1 --recursive; then
              exit 0
            fi
            echo "Submodule update failed (attempt $attempt/5). Retrying…"
            sleep $((attempt * 10))
          done
          exit 1

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push amd64 image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: ${{ needs.determine-tags.outputs.tags }}-amd64
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # Build arm64 image
  build-arm64:
    runs-on: ubuntu-latest-arm64
    needs: determine-tags
    permissions:
      packages: write
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: false

      - name: Checkout submodules (retry)
        run: |
          set -euo pipefail
          git submodule sync --recursive
          for attempt in 1 2 3 4 5; do
            if git -c protocol.version=2 submodule update --init --force --depth=1 --recursive; then
              exit 0
            fi
            echo "Submodule update failed (attempt $attempt/5). Retrying…"
            sleep $((attempt * 10))
          done
          exit 1

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push arm64 image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/arm64
          push: true
          tags: ${{ needs.determine-tags.outputs.tags }}-arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # Create multi-platform manifest
  create-manifest:
    runs-on: ubuntu-latest
    needs: [determine-tags, build-amd64, build-arm64]
    permissions:
      packages: write
      contents: read
    steps:
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create and push manifest
        run: |
          # Split tags string into array
          IFS=',' read -r -a TAGS <<<"${{ needs.determine-tags.outputs.tags }}"
          IMAGE_NAME="${{ needs.determine-tags.outputs.image_name }}"
          
          for TAG in "${TAGS[@]}"; do
            # Create manifest
            docker manifest create ${TAG} \
              ${TAG}-amd64 \
              ${TAG}-arm64
            
            # Annotate manifest
            docker manifest annotate ${TAG} ${TAG}-amd64 --os linux --arch amd64
            docker manifest annotate ${TAG} ${TAG}-arm64 --os linux --arch arm64 --variant v8
            
            # Push manifest
            docker manifest push ${TAG}
          done