name: Backend - Build and Test

permissions:
  contents: read

on:
  push:
    branches:
      - main
      - notebooks-v2
      - v*-branch
  pull_request:
    paths:
      - workspaces/backend/**
      ## NOTE: we also test on changes to the controller as the backend depends on the controller
      - workspaces/controller/**
    branches:
      - main
      - notebooks-v2
      - v*-branch

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: workspaces/backend/go.mod
          check-latest: true
          cache-dependency-path: workspaces/backend/go.sum

      - name: Lint
        working-directory: workspaces/backend
        run: make lint

      - name: Build
        working-directory: workspaces/backend
        run: make build

      - name: Check if there are uncommitted file changes
        working-directory: workspaces/backend
        run: |
          clean=$(git status --porcelain)
          if [[ -z "$clean" ]]; then
              echo "Empty git status --porcelain: $clean"
          else
              echo "Uncommitted file changes detected: $clean"
              git diff
              exit 1
          fi

  unit-tests:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: workspaces/backend/go.mod
          check-latest: true
          cache-dependency-path: workspaces/backend/go.sum

      - name: Run unit tests
        working-directory: workspaces/backend
        run: make test