name: Build distribution with Webpack

on:
  push:
    branches: [ "main" ]
    # Ignore changes in folders that are affected by the auto commit. (Node.js project)
    paths-ignore:
      - 'dist/**'
  # pull_request:
  #  branches: [ "main" ]

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      CI_COMMIT_MESSAGE: Continuous Integration - Build Distribution
      CI_COMMIT_AUTHOR: Continuous Integration

    strategy:
      matrix:
        node-version: [18.x]

    # Checkout Repository
    steps:
    - uses: actions/checkout@v3
      with:
        token: ${{ secrets.WORKFLOW_GIT_ACCESS_TOKEN }}

    # Build steps
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v3
      with:
        node-version: ${{ matrix.node-version }}

    - name: Node Install
      run: npm ci

    - name: Build Distribution
      run: |
        npm run build

    - name: Check for file changes
      id: checkDiff
      run: |
        git diff --quiet . || echo "changed=true" >> $GITHUB_OUTPUT

      # Commit and push all changed files.
    # Must only affect files that are listed in "paths-ignore".
    - name: GIT Commit Distribution Build
      # Only run on main branch push (e.g., pull request merge).
      if: github.event_name == 'push' && steps.checkDiff.outputs.changed == 'true'
      run: |
        git config --global user.name "${{ env.CI_COMMIT_AUTHOR }}"
        git config --global user.email "ci_activity@noreply.github.com"
        git add dist
        git commit -m "${{ env.CI_COMMIT_MESSAGE }}"
        git push