name: Generate Build Info (Commit Hash)

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  release:
    types: [published]

jobs:
  build-info:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate build-info.php
        run: |
          SHORT_HASH=$(git rev-parse --short HEAD)
          BRANCH=$(git rev-parse --abbrev-ref HEAD)
          DATE=$(date -u '+%Y-%m-%d %H:%M:%S UTC')

          mkdir -p dapper   # Ensure folder exists

          cat > dapper/build-info.php << EOF
          <?php
          // Auto-generated build metadata - DO NOT EDIT manually
          // Generated on: $DATE
          return [
              'commit'  => '$SHORT_HASH',
              'branch'  => '$BRANCH',
              'built'   => '$DATE',
          ];
          EOF

          echo "Generated build-info.php with commit $SHORT_HASH"

      - name: Commit build-info.php if changed
        uses: https://github.com/stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "chore: update build-info.php [ci skip]"
          file_pattern: dapper/build-info.php
          skip_fetch: true
          skip_checkout: true
          commit_user_name: "Automated Build"
          commit_user_email: "ampedlease@ampedlease.com"
          commit_author: "Automated Build <ampedlease@ampedlease.com>"