name: Release website

on:
  push:
    branches:
      - staging
      - production
  workflow_dispatch:

jobs:
  pages:
    runs-on: ubuntu-latest
    environment: staging
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Setup Hugo
        uses: peaceiris/actions-hugo@v2
        with:
          hugo-version: 'latest'
      - name: Build pages
        run: hugo $(cat .hugo-params)
      - uses: actions/upload-artifact@v3
        name: Upload pages
        with:
          name: pages
          path: public

  calendar:
    needs: [ pages ]
    runs-on: ubuntu-latest
    environment: staging
    steps:
      - name: Add de_DE.UTF-8 locale
        run: |
          apt-get update
          apt-get -y install locales
          locale-gen de_DE.UTF-8
      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          cache: 'pip' # caching pip dependencies
      - name: Install dependencies
        run: |
          pip install --upgrade pip setuptools wheel
          pip install -r requirements.txt
      - name: Download pages
        uses: actions/download-artifact@v3
        with:
          name: pages
          path: "."
      - name: Generate calendars
        run: python tools/merge_cals.py
      - name: Copy calendar to output dir
        run: cp static/all.ics public/all.ics
      - name: Update homepage with latest event
        run: upcoming="$(python tools/gen_upcoming.py static/all.ics 20 5 | tr '\n' ' ')" && sed -i "s#CALENDAR#$upcoming#g" public/index.html
      - uses: actions/upload-artifact@v3
        name: Upload pages
        with:
          name: enhanced_pages
          path: public

  staging:
    needs: [ calendar ]
    runs-on: ubuntu-latest
    environment: staging
    if: github.ref == 'refs/heads/staging' && github.event_name == 'push'
    steps:
      - name: Download pages
        uses: actions/download-artifact@v3
        with:
          name: enhanced_pages
          path: "."
      - name: Generate timestamp
        run: echo "timestamp=$(date --iso-8601=seconds)" >> $GITHUB_ENV
      - name: Create Release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
        with:
          tag_name: staging-${{ env.timestamp }}
          release_name: Staging release ${{ env.timestamp }}
          body: New Website staging version ${{ env.timestamp }}
          draft: false
          prerelease: false
  
  release:
    needs: [ calendar ]
    runs-on: ubuntu-latest
    environment: production
    if: github.ref == 'refs/heads/production' && github.event_name == 'push'
    steps:
      - name: Download pages
        uses: actions/download-artifact@v3
        with:
          name: enhanced_pages
          path: "."
      - name: Generate timestamp
        run: echo "timestamp=$(date --iso-8601=seconds)" >> $GITHUB_ENV
      - name: Create Release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
        with:
          tag_name: production-${{ env.timestamp }}
          release_name: Production release ${{ env.timestamp }}
          body: New Website production version ${{ env.timestamp }}
          draft: false
          prerelease: false