name: Update md5

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

permissions:
  contents: write           # 'write' access to repository contents
  pull-requests: write      # 'write' access to pull requests

jobs:
  generate-md5:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout Code
        uses: actions/checkout@v7
        with:
          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
          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: Submit the 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
          
          git commit -a -m "Update md5"
          
      - name: Push changes
        uses: ad-m/github-push-action@master
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.ref }}
          # pull: rebase   # pull --rebase before push; also accepts: merge | ff-only | true