name: Link Checker

on:
  schedule:
    - cron: '17 6 * * 1'
  workflow_dispatch:

permissions:
  contents: read
  issues: write

concurrency:
  group: link-check
  cancel-in-progress: false

jobs:
  link-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Lychee link checker
        uses: lycheeverse/lychee-action@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          args: >-
            --verbose
            --no-progress
            --accept 100,101,200,202,203,204,205,206,300,301,302,303,304,307,308,403,429
            --retry 3
            --retry-wait-time 5
            --timeout 20
            --max-redirects 5
            --exclude-loopback
            --exclude-mail
            --exclude 'github\.com/.*/(issues|pulls|actions)'
            README.md
          output: github
          fail: true