name: Benchmark Mini Sysbench Performance on PR

on:
  pull_request:
    paths:
      - 'go/**'
    branches: [ main ]

jobs:
  performance:
    name: Trigger Mini Benchmark Latency K8s Workflow
    runs-on: ubuntu-22.04
    steps:
      - name: Build benchmark payload (main HEAD + PR HEAD)
        uses: actions/github-script@v7
        id: build_payload
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            // For PR benchmarks, use the PR base commit (the exact target commit this PR was opened/updated against),
            // not the moving HEAD of `main`.
            const fromSha = context.payload.pull_request.base.sha;

            // The latest commit on the PR branch.
            const toSha = context.payload.pull_request.head.sha;

            const payload = {
              from_server: "dolt",
              from_version: fromSha,
              to_server: "dolt",
              to_version: toSha,
              mode: "pullRequest",
              issue_number: String(context.issue.number),
              init_big_repo: "true",
              actor: context.actor,
              sysbench_test_time: "20",
              template_script: "./.github/scripts/performance-benchmarking/get-dolt-dolt-job-json.sh",
            };

            core.setOutput("from_sha", fromSha);
            core.setOutput("to_sha", toSha);
            core.setOutput("payload", JSON.stringify(payload));
      - name: Log benchmark versions
        shell: bash
        run: |
          echo "from_version_sha=${{ steps.build_payload.outputs.from_sha }}"
          echo "to_version_sha=${{ steps.build_payload.outputs.to_sha }}"
      - uses: peter-evans/repository-dispatch@v3
        with:
          token: ${{ secrets.REPO_ACCESS_TOKEN }}
          event-type: benchmark-latency
          client-payload: ${{ steps.build_payload.outputs.payload }}