name: Go Benchmark

on:
  push:
    branches:
      - main
      - development
    paths:
      - 'backend/**'
  pull_request:
    branches:
      - main
      - development
    paths:
      - 'backend/**'
  workflow_dispatch:

permissions:
  contents: write
  deployments: write

jobs:
  benchmark:
    name: Performance Regression Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.4'
          cache-dependency-path: backend/go.sum

      - name: Run Benchmark
        working-directory: backend
        run: go test -bench=. -benchmem ./... | tee output.txt

      - name: Store Benchmark Result
        uses: benchmark-action/github-action-benchmark@v1
        with:
          name: Go Benchmark
          tool: 'go'
          output-file-path: backend/output.txt
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
          # Show alert with commit comment on detection of performance regression
          alert-threshold: '150%'
          comment-on-alert: true
          fail-on-alert: false
          # Enable Job Summary for PRs
          summary-always: true