name: 🔂 Surge PR Preview

on:
  pull_request_target:
    types: [opened, synchronize, reopened]

# Ensures that only one mirror task will run at a time.
concurrency:
  group: surge-sh

jobs:
  preview:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: write
      contents: write
    environment: preview
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: '0'
          ref: ${{github.event.pull_request.head.ref}}
          repository: ${{github.event.pull_request.head.repo.full_name}}
          ssh-key: ${{ secrets.ACTIONS_SSH_KEY }}
          submodules: 'true'

      - name: Set up Python runtime
        uses: actions/setup-python@v4
        with:
          python-version: '3.7'

      - name: Deploy to surge.sh
        uses: afc163/surge-preview@v1
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          surge_token: ${{ secrets.SURGE_TOKEN }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          dist: site
          failOnError: 'true'
          build: |
            pip install pipenv
            pipenv install
            pipenv run mkdocs build