name: Query Regression Nightly

# After a successful GreptimeDB Nightly Build, compare that commit against
# the previous successful nightly. The reusable Query Regression workflow
# still compiles both SHAs; this wrapper only resolves which two SHAs.

on:
  workflow_run:
    workflows:
      - GreptimeDB Nightly Build
    types:
      - completed
  workflow_dispatch:
    inputs:
      base_ref:
        description: Base ref/SHA (empty = previous successful nightly)
        required: false
        type: string
        default: ""
      candidate_ref:
        description: Candidate ref/SHA (empty = latest successful nightly)
        required: false
        type: string
        default: ""
      candidate_run_id:
        description: Nightly Build run id to treat as candidate (empty = latest)
        required: false
        type: string
        default: ""
      case:
        description: Query perf case path(s), all, or heavy
        required: false
        type: string
        default: all

permissions:
  contents: read
  actions: read

jobs:
  resolve-refs:
    name: Resolve previous vs current nightly SHAs
    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      skip: ${{ steps.refs.outputs.skip }}
      reason: ${{ steps.refs.outputs.reason }}
      base_sha: ${{ steps.refs.outputs.base_sha }}
      candidate_sha: ${{ steps.refs.outputs.candidate_sha }}
    steps:
      - name: Checkout ref resolver
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Resolve nightly SHAs
        id: refs
        env:
          GITHUB_TOKEN: ${{ github.token }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          CANDIDATE_RUN_ID: ${{ github.event_name == 'workflow_run' && github.event.workflow_run.id || inputs.candidate_run_id || '' }}
          BASE_REF: ${{ github.event_name == 'workflow_dispatch' && inputs.base_ref || '' }}
          CANDIDATE_REF: ${{ github.event_name == 'workflow_dispatch' && inputs.candidate_ref || '' }}
        run: python3 .github/scripts/query-regression-nightly-refs.py

      - name: Summarize comparison
        if: always()
        env:
          SKIP: ${{ steps.refs.outputs.skip }}
          REASON: ${{ steps.refs.outputs.reason }}
          BASE_SHA: ${{ steps.refs.outputs.base_sha }}
          CANDIDATE_SHA: ${{ steps.refs.outputs.candidate_sha }}
          BASE_RUN_URL: ${{ steps.refs.outputs.base_run_url }}
          CANDIDATE_RUN_URL: ${{ steps.refs.outputs.candidate_run_url }}
        run: |
          set -euo pipefail
          {
            if [[ "${SKIP}" == "true" ]]; then
              printf 'Skipping query-regression nightly: %s\n' "${REASON}"
            else
              printf 'Comparing previous nightly `%s` -> current nightly `%s`\n' \
                "${BASE_SHA}" "${CANDIDATE_SHA}"
              if [[ -n "${BASE_RUN_URL}" ]]; then
                printf -- '- Previous Nightly Build: %s\n' "${BASE_RUN_URL}"
              fi
              if [[ -n "${CANDIDATE_RUN_URL}" ]]; then
                printf -- '- Current Nightly Build: %s\n' "${CANDIDATE_RUN_URL}"
              fi
            fi
          } | tee -a "${GITHUB_STEP_SUMMARY}"

  query-regression:
    name: Query regression nightly
    needs: [resolve-refs]
    if: ${{ needs.resolve-refs.outputs.skip != 'true' && needs.resolve-refs.outputs.base_sha != '' && needs.resolve-refs.outputs.candidate_sha != '' }}
    uses: ./.github/workflows/query-regression.yml
    secrets: inherit
    with:
      case: ${{ github.event_name == 'workflow_dispatch' && inputs.case || 'all' }}
      base_ref: ${{ needs.resolve-refs.outputs.base_sha }}
      candidate_ref: ${{ needs.resolve-refs.outputs.candidate_sha }}
      cargo_profile: nightly
      runner: aliyun-ecs