name: Update Record

on:
  # Create a scheduled task, in this example we run it at the first day of every month.
  schedule:
    - cron: "0 0 1 * *"
  # Enable manually executing.
  workflow_dispatch:

permissions:
  contents: write
  
jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    
    # Fetch record with Google Scholar ID
    - name: Get record with token
      uses: sxlllslgh/google-scholar-fetcher@v1
      id: record
      with:
        google-scholar-id: ${{ vars.GOOGLE_SCHOLAR_ID }}
        record-file: ${{ vars.RECORD_FILE }}
      
    - name: Make sure the record file is tracked
      run: git add ${{ vars.RECORD_FILE }}

    # If record file changed, return exit code 1, otherwise 0.
    - name: Judge if file changed
      id: changed
      continue-on-error: true
      run: git diff --exit-code ${{ vars.RECORD_FILE }}

    - name: Judge if staged file changed
      id: cached
      continue-on-error: true
      run: git diff --exit-code --cached ${{ vars.RECORD_FILE }}

    - name: Update record
      if: ${{ steps.changed.outcome == 'failure' || steps.cached.outcome == 'failure' }}
      run: |
          git config --global user.name '${{ vars.GIT_USERNAME }}'
          git config --global user.email '${{ vars.GIT_EMAIL }}'
          git commit -am "Automatically update record."
          git push