name: live

on:
  push:
    branches:
      - live

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  build-and-upload-artifacts:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v6

    - name: Prepare Linux
      run: bash ./.github/workflows/build_steps.sh prepare_linux

    - name: Setup Emscripten
      run: bash ./.github/workflows/build_steps.sh setup_emsdk

    - name: Build MuJoCo Live
      env:
        CC: clang-18
        CXX: clang++-18
      run: bash ./.github/workflows/build_steps.sh build_mujoco_live

    - name: Prepare files for GitHub Pages
      run: |
        mkdir -p dist/bin
        cp -r build_wasm/bin/* dist/bin/
        cp src/experimental/studio/live.html dist/index.html
        cp src/experimental/studio/live.css dist/live.css
        cp src/experimental/studio/live.js dist/live.js
        COMMIT_HASH=$(git rev-parse HEAD 2>/dev/null || true)
        if [ -n "$COMMIT_HASH" ]; then
          sed -i "s/__COMMIT_HASH_PLACEHOLDER__/$COMMIT_HASH/g" dist/index.html
        fi

    - name: Upload GitHub Pages artifacts
      uses: actions/upload-pages-artifact@v3
      with:
        path: dist

  deploy-pages:
    needs: build-and-upload-artifacts
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
    - name: Deploy to GitHub Pages
      id: deployment
      uses: actions/deploy-pages@v4