# This is a basic workflow to help you get started with Actions

name: Links

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  #push:
  #  branches: [ main ]
  #pull_request:
  #  branches: [ main ]
  #schedule:
  #  - cron: "00 18 * * *"

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  linkChecker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Find all markdown files
        id: find_files
        run: echo "MD_FILES=$(find . -name '*.md' -type f | sed 's|^./||' | tr '\n' ' ')" >> $GITHUB_ENV
        
      - name: Link Checker
        id: lychee
        uses: lycheeverse/lychee-action@v1.2.0
        with:
          format: json
          args: --verbose --no-progress ${{ env.MD_FILES }}
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: Read Results
        if: ${{ steps.lychee.outputs.exit_code != 0 }}
        run: echo "FAILED_URLS=$(jq -r '.fail_map[] | .[] | .url' ./lychee/out.md)" >> $GITHUB_ENV
    
      - name: Slack Notification
        if: ${{ steps.lychee.outputs.exit_code != 0 }}
        uses: tokorom/action-slack-incoming-webhook@main
        env:
          INCOMING_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK }}
        with:
          blocks: |
            [
              {"type": "section", "text": {"type": "mrkdwn", "text": ":warning: Link Checker failure in github.com/allegroai/clearl-docs "}},
              {"type": "section", "text": {"type": "mrkdwn", "text": "$FAILED_URLS"}}
            ]