name: Budibase Release Selfhost

on:
 workflow_dispatch:

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Fail if not a tag
        run: |
          if [[ $GITHUB_REF != refs/tags/* ]]; then 
            echo "Workflow Dispatch can only be run on tags" 
            exit 1 
          fi

      - uses: actions/checkout@v2
        with: 
          fetch_depth: 0

      - name: Fail if tag is not in master
        run: |
          if ! git merge-base --is-ancestor ${{ github.sha }} origin/master; then
            echo "Tag is not in master. This pipeline can only execute tags that are present on the master branch"
            exit 1
          fi

      - name: Use Node.js 14.x
        uses: actions/setup-node@v1
        with:
          node-version: 14.x

      - name: Get the latest budibase release version
        id: version
        run: |
          release_version=$(cat lerna.json | jq -r '.version')
          echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV

      - name: Tag and release Docker images (Self Host)
        run: | 
          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD

          release_tag=v${{ env.RELEASE_VERSION }}

          # Pull apps and worker images
          docker pull budibase/apps:$release_tag
          docker pull budibase/worker:$release_tag
          docker pull budibase/proxy:$release_tag

          # Tag apps and worker images
          docker tag budibase/apps:$release_tag budibase/apps:$SELFHOST_TAG
          docker tag budibase/worker:$release_tag budibase/worker:$SELFHOST_TAG
          docker tag budibase/proxy:$release_tag budibase/proxy:$SELFHOST_TAG
          
          # Push images
          docker push budibase/apps:$SELFHOST_TAG
          docker push budibase/worker:$SELFHOST_TAG
          docker push budibase/proxy:$SELFHOST_TAG
        env:
          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
          SELFHOST_TAG: latest

      - name: Bootstrap and build (CLI)
        run: |
          yarn
          yarn bootstrap
          yarn build

      - name: Build OpenAPI spec
        run: |
          pushd packages/server
          yarn
          yarn specs
          popd
      
      - name: Setup Helm 
        uses: azure/setup-helm@v1
        id: helm-install

      # due to helm repo index issue: https://github.com/helm/helm/issues/7363
      # we need to create new package in a different dir, merge the index and move the package back
      - name: Build and release helm chart
        run: | 
          git config user.name "Budibase Helm Bot"
          git config user.email "<>"
          git reset --hard
          git fetch
          mkdir sync
          echo "Packaging chart to sync dir"
          helm package charts/budibase --version "$RELEASE_VERSION" --app-version "$RELEASE_VERSION" --destination sync
          echo "Packaging successful"
          git checkout gh-pages
          echo "Indexing helm repo"
          helm repo index --merge docs/index.yaml sync
          mv -f sync/* docs
          rm -rf sync
          echo "Pushing new helm release"
          git add -A
          git commit -m "Helm Release: ${{ env.RELEASE_VERSION }}"
          git push
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Perform Github Release
        uses: softprops/action-gh-release@v1
        with:
          name: v${{ env.RELEASE_VERSION }}
          tag_name: v${{ env.RELEASE_VERSION }}
          generate_release_notes: true
          files: |
            packages/cli/build/cli-win.exe
            packages/cli/build/cli-linux
            packages/cli/build/cli-macos 
            packages/server/specs/openapi.yaml
            packages/server/specs/openapi.json

      - name: Discord Webhook Action
        uses: tsickert/discord-webhook@v4.0.0
        with:
          webhook-url: ${{ secrets.PROD_DEPLOY_WEBHOOK_URL }}
          content: "Self Host Deployment Complete: ${{ env.RELEASE_VERSION }} deployed to Self Host."
          embed-title: ${{ env.RELEASE_VERSION }}