name: Update Swagger UI
on:
  schedule:
    - cron:  '0 10 * * *'
  repository_dispatch:
    types: [update-swagger-ui]
jobs:
  updateSwagger:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Get Latest Swagger UI Release
        id: swagger-ui
        run: |
          echo ::set-output name=release_tag::$(curl -sL https://api.github.com/repos/swagger-api/swagger-ui/releases/latest | jq -r ".tag_name")
          echo ::set-output name=current_tag::$(<docs/swagger-ui.version)
      - name: Update Swagger UI
        if: steps.swagger-ui.outputs.current_tag != steps.swagger-ui.outputs.release_tag
        env:
          RELEASE_TAG: ${{ steps.swagger-ui.outputs.release_tag }}
          SWAGGER_YAML: "tdlight-api-openapi.yaml"
          TITLE: "tdlight Telegram bot API docs"
        run: |
          # move to the docs directory
          cd docs
          # Delete the dist directory and index.html
          rm -fr dist index.html
          # Download the release
          curl -sL -o $RELEASE_TAG https://api.github.com/repos/swagger-api/swagger-ui/tarball/$RELEASE_TAG
          # Extract the dist directory
          tar -xzf $RELEASE_TAG --strip-components=1 $(tar -tzf $RELEASE_TAG | head -1 | cut -f1 -d"/")/dist
          rm $RELEASE_TAG
          # Move index.html to the root
          mv dist/index.html .
          # Fix references in index.html
          sed -i "s|https://petstore.swagger.io/v2/swagger.json|$SWAGGER_YAML|g" index.html
          sed -i "s|href=\"./|href=\"dist/|g" index.html
          sed -i "s|src=\"./|src=\"dist/|g" index.html
          sed -i "s|dist/favicon|icons/favicon|g" index.html
          sed -i "s|<title>.*</title>|<title>$TITLE</title>|g" index.html
          # Update current release
          echo ${{ steps.swagger-ui.outputs.release_tag }} > swagger-ui.version
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3
        with:
          commit-message: Update swagger-ui to ${{ steps.swagger-ui.outputs.release_tag }}
          title: Update SwaggerUI to ${{ steps.swagger-ui.outputs.release_tag }}
          body: |
            Updates [swagger-ui][1] to ${{ steps.swagger-ui.outputs.release_tag }}

            Auto-generated by [create-pull-request][2]

            [1]: https://github.com/swagger-api/swagger-ui
            [2]: https://github.com/peter-evans/create-pull-request
          labels: dependencies, automated pr
          branch: swagger-ui-updates