name: Docs

on:
  push:
    branches:
      - main
    tags:
      - v*
    paths:
      - "docs/**"

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    env:
      AWS_ACCESS_KEY_ID: ${{ secrets.DOCS_AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.DOCS_AWS_SECRET_ACCESS_KEY }}
      AWS_DEFAULT_REGION: "eu-east-1"

    steps:
      - name: Set Tag Name
        id: vars
        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}

      # fetch-depth: '0' enables listing all tags for version selector
      - uses: actions/checkout@v2
        with:
          fetch-depth: "0"

      #################################################################
      #              BUILD SITE
      #################################################################

      # Install Node
      - uses: actions/setup-node@v2
        with:
          node-version: "14"
      - run: yarn --cwd ./tools/gendocs
      - name: Build Site
        run: yarn --cwd ./tools/gendocs build --prefix-paths
        env:
          VERSION: ${{steps.vars.outputs.tag}}

      #################################################################
      #              DEPLOY TO S3
      #################################################################

      # deploy the site in the right foder ( tag or main)
      - name: S3 Sync
        uses: ItsKarma/aws-cli@v1.70.0
        with:
          args: s3 sync --delete ./tools/gendocs/public/ s3://docs.dagger.io/${{steps.vars.outputs.tag}}/

      # list All Tags in json file for version selector
      # upload to /tags.json
      - name: Create tags.json
        run: echo "[" {\"tag\"':' \"$(git tag -l "v*" | tr '\n' '|' | sed -e 's/|/"}, {\"tag\"':' "/g')main\"} "]" > tags.json
      - name: Copy tags.json
        uses: ItsKarma/aws-cli@v1.70.0
        with:
          args: s3 cp ./tags.json s3://docs.dagger.io/

      # landing alway on latest tag
      # use S3 Rediret objet
      # upload to /docs/index.html
      - run: touch index.html
      - name: Redirect Latest tag on landing
        # FIXME
        # if: ${{ steps.vars.outputs.tag != 'main' }}
        uses: ItsKarma/aws-cli@v1.70.0
        with:
          # FIXME: `--website-redirect` uses a permanent redirect, therefore if
          # we use the latest version it will be in cache forever.
          # args: s3 cp --cache-control max-age=0 --website-redirect /docs/${{steps.vars.outputs.tag}}/ ./index.html s3://docs.dagger.io/docs/
          args: s3 cp --cache-control max-age=0 --website-redirect /main/ ./index.html s3://docs.dagger.io/