name: Trigger Vercel Rebuild

# Trigger when all important CI workflows complete
on:
  workflow_run:
    workflows:
      - "Storybook and Chromatic CI"
      - "Tests CI"
    types:
      - completed
    branches-ignore:
      - main

jobs:
  check-and-trigger:
    name: Trigger Vercel Rebuild
    runs-on: ubuntu-latest
    # Only run on PRs and only on success
    if: |
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'

    steps:
      - name: Get PR branch
        id: pr
        uses: actions/github-script@v7
        with:
          script: |
            const { data: pullRequests } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              head: `${context.repo.owner}:${context.payload.workflow_run.head_branch}`,
              state: 'open'
            });

            if (pullRequests.length === 0) {
              console.log('No open PR found for this branch');
              return null;
            }

            return pullRequests[0].number;

      - name: Check all required workflows completed
        id: check
        uses: actions/github-script@v7
        with:
          script: |
            if (!${{ steps.pr.outputs.result }}) {
              console.log('No PR found, skipping');
              return false;
            }

            const requiredWorkflows = [
              'Storybook and Chromatic CI',
              'Tests CI'
            ];

            const { data: workflowRuns } = await github.rest.actions.listWorkflowRunsForRepo({
              owner: context.repo.owner,
              repo: context.repo.repo,
              branch: context.payload.workflow_run.head_branch,
              per_page: 100
            });

            // Get the latest run for each required workflow
            const latestRuns = {};
            for (const run of workflowRuns.workflow_runs) {
              const workflowName = run.name;
              if (requiredWorkflows.includes(workflowName)) {
                if (!latestRuns[workflowName] || run.created_at > latestRuns[workflowName].created_at) {
                  latestRuns[workflowName] = run;
                }
              }
            }

            // Check if all required workflows have completed successfully
            const allComplete = requiredWorkflows.every(name => {
              const run = latestRuns[name];
              return run && run.conclusion === 'success';
            });

            console.log('Workflow status:');
            requiredWorkflows.forEach(name => {
              const run = latestRuns[name];
              console.log(`  ${name}: ${run ? run.conclusion : 'not found'}`);
            });

            console.log(`All workflows complete: ${allComplete}`);
            return allComplete;

      - name: Trigger Vercel Deploy Hook
        if: steps.check.outputs.result == 'true'
        run: |
          echo "🚀 All CI workflows completed successfully"
          echo "📦 Triggering Vercel rebuild with fresh artifacts..."

          curl -X POST "${{ secrets.VERCEL_DEPLOY_HOOK_URL }}" \
            -H "Content-Type: application/json" \
            -d '{
              "ref": "${{ github.event.workflow_run.head_branch }}",
              "reason": "All CI workflows completed"
            }'

          echo "✅ Vercel rebuild triggered"

      - name: Comment on PR
        if: steps.check.outputs.result == 'true' && steps.pr.outputs.result
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = ${{ steps.pr.outputs.result }};
            const branch = '${{ github.event.workflow_run.head_branch }}';

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: prNumber,
              body: `🔄 **Vercel Rebuild Triggered**

All CI workflows completed successfully. Vercel is rebuilding with fresh artifacts:
- ✅ Storybook
- ✅ E2E Test Reports
- ✅ Vitest Reports

Your branch status page will update shortly with the latest test results.

Preview URL: \`https://${branch}-comfyui-frontend-reports.vercel.app\`
              `
            });

      - name: Skip rebuild
        if: steps.check.outputs.result != 'true'
        run: |
          echo "⏭️ Skipping Vercel rebuild - not all workflows complete yet"