name: 'PR Skip Check'
description: 'Check if PR should skip CI based on file paths'
author: 'Paddle CI Team'

inputs:
  ignore-paths:
    description: 'Comma-separated paths to ignore (e.g., "skill/**,docs/**,**.md")'
    required: true
    default: '.agents/skills/**'
  base-ref:
    description: 'Base branch (defaults to PR target branch)'
    required: false
    default: ${{ github.event.pull_request.base.ref }}

outputs:
  should-skip:
    description: 'Whether CI should be skipped (true/false)'
    value: ${{ steps.check.outputs.should-skip }}
  is-pr:
    description: 'Whether it is a PR event'
    value: ${{ steps.check.outputs.is-pr }}
  changed-files:
    description: 'List of all changed files (newline separated)'
    value: ${{ steps.check.outputs.changed-files }}
  non-ignored-files:
    description: 'List of files not in ignored paths'
    value: ${{ steps.check.outputs.non-ignored-files }}
  total-count:
    description: 'Total number of changed files'
    value: ${{ steps.check.outputs.total-count }}

runs:
  using: 'composite'
  steps:
    - name: Checkout repository
      uses: actions/checkout@v6
      with:
        fetch-depth: 0

    - name: Run PR skip check script
      id: check
      shell: bash
      run: bash ${{ github.action_path }}/check_skip.sh
      env:
        IGNORE_PATHS: ${{ inputs.ignore-paths }}
        BASE_REF: ${{ inputs.base-ref }}
        GITHUB_EVENT_NAME: ${{ github.event_name }}