name: Post CI Comments

on:
  workflow_run:
    workflows: ['GraphQL and OpenAPI Breaking Changes Detection']
    types: [completed]

permissions:
  actions: read

jobs:
  dispatch-breaking-changes:
    if: github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Get PR number from workflow run
        id: pr-info
        uses: actions/github-script@v7
        with:
          script: |
            const runId = context.payload.workflow_run.id;
            const headSha = context.payload.workflow_run.head_sha;
            const headBranch = context.payload.workflow_run.head_branch;
            const headRepo = context.payload.workflow_run.head_repository;

            // workflow_run.pull_requests is empty for fork PRs,
            // so fall back to searching by head SHA
            let pullRequests = context.payload.workflow_run.pull_requests;
            let prNumber;

            if (pullRequests && pullRequests.length > 0) {
              prNumber = pullRequests[0].number;
            } else {
              core.info(`pull_requests is empty (likely a fork PR), searching by SHA ${headSha}`);
              const owner = context.repo.owner;
              const repo = context.repo.repo;
              const headLabel = `${headRepo.owner.login}:${headBranch}`;

              const { data: prs } = await github.rest.pulls.list({
                owner,
                repo,
                state: 'open',
                head: headLabel,
                per_page: 1,
              });

              if (prs.length > 0) {
                prNumber = prs[0].number;
              }
            }

            if (!prNumber) {
              core.info('No pull request found for this workflow run');
              core.setOutput('has_pr', 'false');
              return;
            }

            core.setOutput('pr_number', prNumber);
            core.setOutput('run_id', runId);
            core.setOutput('has_pr', 'true');
            core.info(`PR #${prNumber}, Run ID: ${runId}`);

      - name: Dispatch to ci-privileged
        if: steps.pr-info.outputs.has_pr == 'true'
        uses: peter-evans/repository-dispatch@v2
        with:
          token: ${{ secrets.CI_PRIVILEGED_DISPATCH_TOKEN }}
          repository: twentyhq/ci-privileged
          event-type: breaking-changes-report
          client-payload: '{"pr_number": ${{ toJSON(steps.pr-info.outputs.pr_number) }}, "run_id": ${{ toJSON(steps.pr-info.outputs.run_id) }}, "repo": ${{ toJSON(github.repository) }}, "branch_state": ${{ toJSON(github.event.workflow_run.head_branch) }}}'