name: Broken Links Report

on:
  schedule:
    - cron: "0 2 * * 6"
  workflow_dispatch:

concurrency:
  group: broken-links-${{ github.ref }}
  cancel-in-progress: false

jobs:
  check-links:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: read
      issues: write

    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6

      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # ratchet:actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Build
        run: go build -o awesome-docker ./cmd/awesome-docker

      - name: Run Link Check
        id: link_check
        run: ./awesome-docker ci broken-links --issue-file broken_links_issue.md --github-output "$GITHUB_OUTPUT"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create/Update Issue for Broken Links
        if: steps.link_check.outputs.has_errors == 'true'
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # ratchet:actions/github-script@v8
        with:
          script: |
            const fs = require('fs');
            const issueBody = fs.readFileSync('broken_links_issue.md', 'utf8');

            const issues = await github.rest.issues.listForRepo({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              labels: 'broken-links',
              per_page: 1
            });

            if (issues.data.length > 0) {
              await github.rest.issues.update({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issues.data[0].number,
                body: issueBody
              });
            } else {
              await github.rest.issues.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: 'Broken Links Detected',
                body: issueBody,
                labels: ['broken-links', 'bug']
              });
            }

      - name: Close Issue if No Errors
        if: steps.link_check.outputs.has_errors == 'false'
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # ratchet:actions/github-script@v8
        with:
          script: |
            const issues = await github.rest.issues.listForRepo({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              labels: 'broken-links',
              per_page: 1
            });
            if (issues.data.length > 0) {
              await github.rest.issues.update({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issues.data[0].number,
                state: 'closed',
                state_reason: 'completed'
              });
            }