name: Basalt Build Pipeline

on:
  push:
    branches:
      - main
    paths:
      - 'src/**'

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Setup Lua
      uses: leafo/gh-actions-lua@v8
      with:
        luaVersion: "5.4"

    # Step 1: Config Generation
    - name: Generate Config
      run: |
        lua tools/generate-config.lua

    # Step 2: Generate LuaLS Definitions
    - name: Generate LuaLS
      run: |
        lua tools/generate-annotations.lua src

    # Step 3: Bundle and Minify
    - name: Bundle and Minify
      run: |
        mkdir -p release
        lua tools/bundler.lua
    # Step 4: Prepare and Generate Documentation
    - name: Prepare docs directory
      run: |
        # Checkout gh-pages branch in a separate directory
        git worktree add gh-pages gh-pages
        
        # Only clean references directory
        rm -rf gh-pages/docs/references
        mkdir -p gh-pages/docs/references 

    - name: Generate Documentation
      run: |
        mkdir -p build_docs/docs/references
        lua tools/generate-docs.lua

        cp -r build_docs/docs/references/* gh-pages/docs/references/
    # Step 5: Deploy Documentation
    - name: Deploy Documentation
      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./gh-pages
        keep_files: true

    # Step 7: Generate Changelog
    #- name: Generate Changelog
    #  id: changelog
    #  uses: heinrichreimer/github-changelog-generator-action@v2.3
    #  with:
    #    token: ${{ secrets.GITHUB_TOKEN }}

    # Step 7: Commit all changes
    - name: Commit Changes
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
        git add config.lua BasaltLS.lua release/basalt-full.lua release/basalt-core.lua CHANGELOG.md
        git commit -m "Update config, BasaltLS definitions, full and core bundles, and changelog" || exit 0
        git push