name: Auto Update JS and JAR MD5

on:
  # 监听代码推送
  push:
    # 只有当 .js 文件发生变化时才触发，避免无意义运行
    paths:
      - '**.js'
      - '**.jar'
      - '.github/workflows/md5.yml'

permissions:
  contents: write

jobs:
  generate-md5:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout Code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0 # 获取完整历史，方便提交

      - name: Calculate & Update MD5
        run: |
          echo "Start scanning all .js and .jar files..."
          
          # Match both .js and .jar files
          find . -type f \( -name "*.js" -o -name "*.jar" \) -not -path '*/.git/*' | while read -r file; do
            
            currentMd5=$(md5sum "$file" | awk '{print $1}')
            targetFile="${file}.md5"

            echo "$currentMd5" > "$targetFile"
            
            echo "Updated: $targetFile -> $currentMd5"
          done

      - name: Commit & Push Changes
        run: |
          # Configure bot identity
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"

          # Stage both js and jar md5 files
          git add **/*.js.md5 **/*.jar.md5

          if ! git diff-index --quiet HEAD; then
            git commit -m "Update md5"
            git push
            echo "::notice::MD5 files updated and pushed."
          else
            echo "::notice::No changes in MD5 values, skipping commit."
          fi