name: CI

on:
  push:
    branches: [develop, main]
  pull_request:
    branches: [develop, main]

permissions:
  contents: read

jobs:
  go:
    name: Go
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Detect Go module
        id: detect
        run: |
          if [ -f go.mod ]; then
            echo "has_go=true" >> "$GITHUB_OUTPUT"
          else
            echo "has_go=false" >> "$GITHUB_OUTPUT"
            echo "::notice::No go.mod yet — skipping Go checks until implementation lands."
          fi

      - name: Setup Go
        if: steps.detect.outputs.has_go == 'true'
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: go vet
        if: steps.detect.outputs.has_go == 'true'
        run: go vet ./...

      - name: go test
        if: steps.detect.outputs.has_go == 'true'
        run: go test -race -count=1 ./...

      - name: go build
        if: steps.detect.outputs.has_go == 'true'
        run: go build ./...