name: Release

on:
  push:
    tags:
      - v*

jobs:
  release:
    name: Release Artifacts
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Build collection
        run: make archives

      - name: Create release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref }}
          release_name: pandoc-scholar ${{ github.ref }}
          draft: false
          prerelease: false

      - name: Add zip archive to release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./dist/pandoc-scholar.zip
          asset_name: pandoc-scholar.zip
          asset_content_type: application/zip

      - name: Add tar archive to release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./dist/pandoc-scholar.tar.gz
          asset_name: pandoc-scholar.tar.gz
          asset_content_type: application/x-gtar

  docker:
    name: Docker release
    runs-on: ubuntu-18.04
    strategy:
      fail-fast: false
      matrix:
        distro:
          - ubuntu
          - alpine
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Create Docker image
        run: |
          docker build \
              --tag pandocscholar/${{ matrix.distro }}:latest \
              --file docker/${{ matrix.distro }}.Dockerfile \
              .

      - name: Run Docker on example
        run: |
          docker run --rm \
                 --user "$(id -u):$(id -g)" \
                 --volume "$(pwd)/example:/data" \
                 pandocscholar/${{ matrix.distro }}:latest

      - name: Login to Docker Hub
        run: >-
          echo "${{ secrets.DOCKER_HUB_TOKEN }}" |
            docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} --password-stdin

      - name: Push image as latest
        run: docker push pandocscholar/${{ matrix.distro }}:latest

      - name: Push image as version
        run: |
          version=$(printf "${{ github.ref }}" | sed 's#.*v\(.*\)$#\1#')
          if [ -n "${version}" ]; then
              docker tag \
                  pandocscholar/${{ matrix.distro }}:latest \
                  pandocscholar/${{ matrix.distro }}:${version}
              docker push pandocscholar/${{ matrix.distro }}:${version}
          else
              printf "Could not determine version" >&2
              exit 1
          fi