on:
  push:
    branches:
      - main
      - feature/forgejo
  pull_request:
  schedule:
    - cron: "0,20,40 * * * *"

env:
  TZ: Europe/Berlin

jobs:
  build:
    runs-on: docker
    container:
      image: registry.gitlab.com/pages/hugo/hugo_extended:latest
    steps:
      - name: Pipeline info
        run: |
          echo "Run triggered by ${{ gitea.event_name }} on ref ${{ github.ref_name }}"

      - name: Install packages
        run: |
          apk update
          # For CI actions.
          apk add nodejs-current
          # For website build.
          apk add tzdata coreutils curl jq git

      - uses: actions/checkout@v4

      - name: Patch baseURL (staging only)
        if: github.ref_name != 'main'
        run: |
          sed -i "s#baseURL = 'https://hamburg.ccc.de/'#baseURL = 'https://staging.hamburg.ccc.de/pr${{ github.event.pull_request.number }}/'#" hugo.toml
          sed -i "s#index = true#index = false#" hugo.toml
          sed -i "s#follow = true#follow = false#" hugo.toml
      - name: Build website
        run: |
          ./fetch-calendar.sh
          hugo

      # TODO: Turn retention time down for scheduled runs
      - uses: actions/upload-artifact@v3
        with:
          name: website-build
          path: public/

  deploy:
    needs: [build]
    runs-on: docker
    container:
      image: alpine
    if: github.event_name == 'push'
    steps:
      - name: Install packages
        run: |
          apk update
          # For CI actions.
          apk add nodejs-current
          # For uploading.
          apk add rsync openssh

      - name: Deploy - Prepare keys
        if: github.event_name == 'pull_request'
        run: |
          echo "${{ secrets.SSH_DEPLOY_KEY }}" > deploykey.priv
          chmod 400 deploykey.priv
          echo "${{ secrets.SSH_KNOWN_HOSTS_FILE }}" > ./known_hosts

      - uses: actions/download-artifact@v3
        with:
          name: website-build

      - name: Deploy - Upload PR to staging
        if: github.event_name == 'pull_request'
        run: |
          echo "Deploying to staging.hamburg.ccc.de/pr${{ github.event.pull_request.number }}"
          rsync -v -r --delete -e "ssh -i deploykey.priv -o 'UserKnownHostsFile ./known_hosts'" public/ ccchh-website-deploy@public-web-static-intern.hamburg.ccc.de:/var/www/staging.hamburg.ccc.de/pr${{ github.event.pull_request.number }}/
      - name: Deploy - Upload to prod
        if: github.ref_name == 'main'
        run: |
          rsync -v -r --delete -e "ssh -i deploykey.priv -o 'UserKnownHostsFile ./known_hosts'" public/ ccchh-website-deploy@public-web-static-intern.hamburg.ccc.de:/var/www/hamburg.ccc.de/