name: Claude Code Review

on:
  pull_request:
    types: [opened]
    # Optional: Only run on specific file changes
    # paths:
    #   - "src/**/*.py"
  workflow_dispatch:
    inputs:
      branch:
        description: 'Branch to run the review against'
        required: true
        default: 'develop'
        type: string

permissions:
  contents: read
  pull-requests: write

jobs:
  claude-review:
    # Optional: Filter by PR author
    # if: |
    #   github.event.pull_request.user.login == 'external-contributor' ||
    #   github.event.pull_request.user.login == 'new-developer' ||
    #   github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'
    
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: read
      issues: read
      id-token: write
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.branch || github.event.pull_request.head.ref }}
          fetch-depth: 0

      - name: Run Claude Code Review
        id: claude-review
        uses: anthropics/claude-code-action@v1
        with:
          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          prompt: |
            REPO: ${{ github.repository }}
            ${{ github.event_name == 'pull_request' && format('PR NUMBER: {0}', github.event.pull_request.number) || format('BRANCH: {0}', inputs.branch) }}

            Please review this ${{ github.event_name == 'pull_request' && 'pull request' || format('branch ({0})', inputs.branch) }} and provide feedback on:
            - Code quality and best practices
            - Potential bugs or issues
            - Performance considerations
            - Security concerns
            - Test coverage

            Use the repository's CLAUDE.md for guidance on style and conventions. Be constructive and helpful in your feedback.

            ${{ github.event_name == 'pull_request' && 'Use `gh pr comment` with your Bash tool to leave your review as a comment on the PR.' || 'Provide a summary of your findings.' }}
          
          # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
          # or https://docs.claude.com/en/docs/claude-code/sdk#command-line for available options
          claude_args: '--allowed-tools "Bash(gh issue view:*),Bash(gh search:*),Bash(gh issue list:*),Bash(gh pr comment:*),Bash(gh pr diff:*),Bash(gh pr view:*),Bash(gh pr list:*)"'