name: Deploy Docs

on:
  push:
    branches:
      - 'master'
      - 'Stable*'
    tags:
      - 'v*'
    paths:
      - docs/**
  pull_request:
    branches:
      - '*'
    paths:
      - docs/**

  workflow_dispatch:

env:
  BRANCH_NAME: ${{ github.head_ref || github.ref_name }}

jobs:
  # Build job
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # Not needed if lastUpdated is not enabled
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: 18
          cache: npm
      - name: Install dependencies
        run: npm ci
      - name: Build with VitePress
        run: |
          npm run docs:build
          touch docs/.vitepress/dist/.nojekyll

      - name: Upload artifact
        if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.merged) }}
        uses: actions/upload-artifact@v3
        with:
          name: qgc_docs_build
          path: docs/.vitepress/dist/
          retention-days: 1

  deploy:
    if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.merged) }}
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Download Artifact
        uses: actions/download-artifact@v3
        with:
          name: qgc_docs_build
          path: ~/_book
        
      - name: Deploy
        run: |
          git clone https://${{ secrets.PX4BUILDBOT_USER }}:${{ secrets.PX4BUILDBOT_ACCESSTOKEN }}@github.com/mavlink/docs.qgroundcontrol.com.git
          rm -rf docs.qgroundcontrol.com/${BRANCH_NAME}
          mkdir -p docs.qgroundcontrol.com/${BRANCH_NAME}
          cp -r ~/_book/* docs.qgroundcontrol.com/${BRANCH_NAME}/
          cd docs.qgroundcontrol.com
          git config user.email "bot@px4.io"
          git config user.name "PX4BuildBot"
          git add ${BRANCH_NAME}
          git commit -a -m "QGC docs build update `date`"
          git push origin master
          
        env:
          GIT_USER: ${{ secrets.PX4BUILDBOT_USER }}
          GIT_PASS: ${{ secrets.PX4BUILDBOT_PASS }}