name: Release

on:
  push:
    branches: [main]

permissions:
  contents: write
  issues: write
  pull-requests: write
  packages: write

jobs:
  release:
    name: Semantic Release
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, '[skip ci]')"
    outputs:
      new_version: ${{ steps.check.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Run semantic-release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: npx semantic-release

      - name: Check for new release
        id: check
        run: |
          if [ -f .release-version ]; then
            echo "version=$(cat .release-version)" >> "$GITHUB_OUTPUT"
          fi

  docker:
    name: Docker (${{ matrix.tag }})
    needs: release
    if: needs.release.outputs.new_version != ''
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - tag: full
            variant: full
            gpu: "false"
            suffix: ""
            platforms: "linux/amd64,linux/arm64"
          - tag: lite
            variant: lite
            gpu: "false"
            suffix: "-lite"
            platforms: "linux/amd64,linux/arm64"
          - tag: cuda
            variant: full
            gpu: "true"
            suffix: "-cuda"
            platforms: "linux/amd64"
    steps:
      - name: Checkout release tag
        uses: actions/checkout@v4
        with:
          ref: v${{ needs.release.outputs.new_version }}

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

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

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            stirlingimage/stirling-image
            ghcr.io/${{ github.repository }}
          tags: |
            type=semver,pattern={{version}}${{ matrix.suffix }},value=v${{ needs.release.outputs.new_version }}
            type=semver,pattern={{major}}.{{minor}}${{ matrix.suffix }},value=v${{ needs.release.outputs.new_version }}
            type=semver,pattern={{major}}${{ matrix.suffix }},value=v${{ needs.release.outputs.new_version }}
            type=raw,value=${{ matrix.tag == 'full' && 'latest' || matrix.tag }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          push: true
          build-args: |
            VARIANT=${{ matrix.variant }}
            GPU=${{ matrix.gpu }}
          platforms: ${{ matrix.platforms }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ matrix.tag }}
          cache-to: type=gha,mode=max,scope=${{ matrix.tag }}