name: Build and deploy

on:
  push:
    branches: [master]
  workflow_dispatch: {}

jobs:
  build-and-deploy:
    # Needs a self-hosted Gitea Actions runner with this label registered
    # against git.haemka.in — none exists yet, set one up before enabling this.
    runs-on: self-hosted
    container: python:3.12-slim
    steps:
      - name: Install system dependencies
        run: |
          apt-get update
          apt-get install -y --no-install-recommends git rsync openssh-client

      - name: Checkout (incl. theme submodule)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install Python dependencies
        run: pip install --no-cache-dir -r requirements.txt

      - name: Build site
        run: pelican -s publishconf.py

      - name: Deploy via rsync
        env:
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
          DEPLOY_PATH: ${{ secrets.DEPLOY_PATH }}
          DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
        run: |
          mkdir -p ~/.ssh
          printf '%s\n' "$DEPLOY_SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -H "$DEPLOY_HOST" >> ~/.ssh/known_hosts 2>/dev/null
          rsync -avz --delete \
            -e "ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=yes" \
            output/ "${DEPLOY_USER}@${DEPLOY_HOST}:${DEPLOY_PATH}"