name: Check Broken Docs Links in github/github

# **What it does**: This checks for any broken docs.github.com links in github/github
# **Why we have it**: Make sure all docs in github/github are up to date
# **Who does it impact**: Docs engineering, people on GitHub

on:
  workflow_dispatch:
  schedule:
    - cron: '20 16 * * 1' # Run every Monday at 16:20 UTC / 8:20 PST

permissions:
  contents: read

jobs:
  check_github_github_links:
    if: github.repository == 'github/docs-internal'
    runs-on: ubuntu-latest
    env:
      # need to use a token from a user with access to github/github for this step
      GITHUB_TOKEN: ${{ secrets.DOCS_BOT_PAT_BASE }}
      REPORT_AUTHOR: docs-bot
      REPORT_LABEL: github github broken link report,workflow-generated
      REPORT_REPOSITORY: github/docs-content
    steps:
      - name: Checkout
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
        with:
          # To prevent issues with cloning early access content later
          persist-credentials: 'false'

      - uses: ./.github/actions/node-npm-setup

      - uses: ./.github/actions/get-docs-early-access
        with:
          token: ${{ secrets.DOCS_BOT_PAT_BASE }}

      - name: Build server
        run: npm run build

      - name: Start server in the background
        env:
          NODE_ENV: production
          PORT: 4000
          ENABLED_LANGUAGES: en
        run: |

          npm run start &
          sleep 5
          curl --retry-connrefused --retry 3 -I http://localhost:4000/

      - name: Run broken github/github link check
        run: |
          npm run check-github-github-links -- broken_github_github_links.md

      - name: Get title for issue
        # If the file 'broken_github_github_links.md' got created,
        # the hash of it will not be an empty string. That means if found
        # broken links, we want to create an issue.
        if: ${{ hashFiles('broken_github_github_links.md') != '' }}
        id: check
        run: echo "title=$(head -1 broken_github_github_links.md)" >> $GITHUB_OUTPUT

      - name: Create issue from file
        if: ${{ hashFiles('broken_github_github_links.md') != '' }}
        id: github-github-broken-link-report
        uses: peter-evans/create-issue-from-file@fca9117c27cdc29c6c4db3b86c48e4115a786710
        with:
          token: ${{ env.GITHUB_TOKEN }}
          title: ${{ steps.check.outputs.title }}
          content-filepath: ./broken_github_github_links.md
          repository: ${{ env.REPORT_REPOSITORY }}
          labels: ${{ env.REPORT_LABEL }}

      - uses: ./.github/actions/slack-alert
        if: ${{ failure() && github.event_name != 'workflow_dispatch' }}
        with:
          slack_channel_id: ${{ secrets.DOCS_ALERTS_SLACK_CHANNEL_ID }}
          slack_token: ${{ secrets.SLACK_DOCS_BOT_TOKEN }}