name: Monthly check GitHub usernames

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 1 * *"

jobs:
  check-usernames:
    runs-on: ubuntu-latest
    steps:
    - name: Restore lychee cache
      id: restore-cache
      uses: actions/cache/restore@v4
      with:
        path: .lycheecache
        key: cache-lychee-${{ github.sha }}
        restore-keys: cache-lychee-

    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - run: |
        cat .github/CODEOWNERS | grep -o "@[a-zA-Z0-9_-]\+" | sort -u | sed 's/@/https:\/\/api.github.com\/users\//' > usernames.txt
        cat MAINTAINERS.md | grep -o "\*\*.*@[a-zA-Z0-9_-]\+.*\*\*" | grep -o "@[a-zA-Z0-9_-]\+" | sort -u | sed 's/@/https:\/\/api.github.com\/users\//' >> usernames.txt
        sort -u usernames.txt -o usernames.txt

    - name: Lychee URL checker
      uses: lycheeverse/lychee-action@v2
      id: lychee
      continue-on-error: true
      with:
        args: >-
          --cache 
          --verbose 
          --no-progress 
          --max-concurrency 25
          usernames.txt
      env:
        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

    - name: Find the last report issue open
      uses: micalevisk/last-issue-action@v2
      id: last-issue
      with:
        state: open
        labels: check usernames
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Update last report open issue created
      if: ${{ env.lychee_exit_code != 0 }}
      uses: peter-evans/create-issue-from-file@v5
      with:
        title: GitHub usernames with errors
        content-filepath: lychee/out.md
        issue-number: ${{ steps.last-issue.outputs.issue-number }}
        labels: check usernames

    - name: Close last report open issue
      if: ${{ env.lychee_exit_code == 0 && steps.last-issue.outputs.has-found == 'true' }}
      run: gh issue close ${{ steps.last-issue.outputs.issue-number }}

    - name: Save lychee cache
      uses: actions/cache/save@v4
      if: always()
      with:
        path: .lycheecache
        key: ${{ steps.restore-cache.outputs.cache-primary-key }}