name: Release

on:
  push:
    branches:
      - release/current
      - release/*.*.*

jobs:
  github-release:

    runs-on: ubuntu-latest

    outputs:
      RELEASE_VERSION: ${{ steps.bump-version.outputs.RELEASE_VERSION }}

    steps:
    - uses: actions/checkout@v2

    - name: Init Git
      run: |
        git config --local user.name "GitHub Action"
        git config --local user.email "info@weseek.co.jp"
        git remote set-url origin "https://$GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY"

    - name: Bump version
      id: bump-version
      run: |
        npm --no-git-tag-version version patch
        export RELEASE_VERSION=`npm run version --silent`
        sh ./bin/github-actions/update-readme.sh
        echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_ENV
        echo ::set-output name=RELEASE_VERSION::$RELEASE_VERSION

    - name: Checkout, Commit, Tag and Push
      run: |
        TMP_RELEASE_BRANCH=tmp/release-${{ env.RELEASE_VERSION }}
        git checkout -B $TMP_RELEASE_BRANCH
        git commit -am "Release v${{ env.RELEASE_VERSION }}"
        git tag -a v${{ env.RELEASE_VERSION }} -m "v${{ env.RELEASE_VERSION }}"
        git push --follow-tags origin $TMP_RELEASE_BRANCH
        git push --delete origin $TMP_RELEASE_BRANCH

    - name: Upload release notes
      uses: Roang-zero1/github-create-release-action@master
      with:
        created_tag: v${{ env.RELEASE_VERSION }}
        changelog_file: CHANGES.md
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}


  build-image:
    needs: github-release

    runs-on: ubuntu-latest

    strategy:
      matrix:
        flavor: [default, nocdn]

    steps:
    - uses: actions/checkout@v2

    - name: Checkout released tag
      run: |
        git fetch --tags
        git checkout refs/tags/v${{ needs.github-release.outputs.RELEASE_VERSION }}

    - name: Setup suffix
      id: suffix
      run: |
        [[ ${{ matrix.flavor }} = "nocdn" ]] && suffix="-nocdn" || suffix=""
        echo "::set-output name=SUFFIX::$suffix"

    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v3
      with:
        images: weseek/growi,ghcr.io/weseek/growi
        flavor: |
          suffix=${{ steps.suffix.outputs.SUFFIX }}
        tags: |
          type=raw,value=latest
          type=semver,value=${{ needs.github-release.outputs.RELEASE_VERSION }},pattern={{major}}
          type=semver,value=${{ needs.github-release.outputs.RELEASE_VERSION }},pattern={{major}}.{{minor}}
          type=semver,value=${{ needs.github-release.outputs.RELEASE_VERSION }},pattern={{major}}.{{minor}}.{{patch}}

    - name: Login to docker.io registry
      run: |
        echo ${{ secrets. DOCKER_REGISTRY_PASSWORD }} | docker login --username wsmoogle --password-stdin

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v1
      with:
        registry: ghcr.io
        username: wsmoogle
        password: ${{ secrets.DOCKER_REGISTRY_ON_GITHUB_PASSWORD }}

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1

    - name: Cache Docker layers
      uses: actions/cache@v2
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-app-${{ matrix.flavor }}-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-app-${{ matrix.flavor }}-
          ${{ runner.os }}-buildx-app-

    - name: Build and push
      uses: docker/build-push-action@v2
      with:
        context: .
        file: ./docker/Dockerfile
        platforms: linux/amd64
        push: true
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new
        tags: ${{ steps.meta.outputs.tags }}

    - name: Move cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache

    - name: Update Docker Hub Description
      uses: peter-evans/dockerhub-description@v2
      with:
        username: wsmoogle
        password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
        repository: weseek/growi
        readme-filepath: ./docker/README.md

    - name: Slack Notification
      uses: weseek/ghaction-release-slack-notification@master
      with:
        channel: '#release'
        url: ${{ secrets.SLACK_WEBHOOK_URL }}
        created_tag: 'v${{ needs.github-release.outputs.RELEASE_VERSION }}${{ steps.suffix.outputs.SUFFIX }}'

    - name: Check whether workspace is clean
      run: |
        STATUS=`git status --porcelain`
        if [ -z "$STATUS" ]; then exit 0; else exit 1; fi