name: Backend CI

on:
  push:
    branches: [main]
    paths:
      - 'server/**'
      - '.gitea/workflows/backend.yml'
  pull_request:
    branches: [main]
    paths:
      - 'server/**'
      - '.gitea/workflows/backend.yml'

env:
  GO_VERSION: '1.21'

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4

      - name: Setup Go
        uses: https://github.com/actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: false

      - name: Tidy modules
        working-directory: ./server
        run: go mod tidy

      - name: Install golangci-lint
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.59.0

      - name: Download dependencies
        working-directory: ./server
        run: go mod download

      - name: Run linter
        working-directory: ./server
        run: |
          $(go env GOPATH)/bin/golangci-lint run ./... --timeout=5m

  build:
    name: Build
    needs: lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4

      - name: Setup Go
        uses: https://github.com/actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: false

      - name: Tidy modules
        working-directory: ./server
        run: go mod tidy

      - name: Download dependencies
        working-directory: ./server
        run: go mod download

      - name: Build binary
        working-directory: ./server
        run: |
          CGO_ENABLED=0 go build -o chat-switchboard-api -ldflags "-s -w"

  test:
    name: Test
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4

      - name: Setup Go
        uses: https://github.com/actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: false

      - name: Tidy modules
        working-directory: ./server
        run: go mod tidy

      - name: Download dependencies
        working-directory: ./server
        run: go mod download

      - name: Run tests
        working-directory: ./server
        run: |
          go test -v -cover -coverprofile=coverage.out ./...
          EXIT_CODE=$?
          echo "EXIT_CODE=$EXIT_CODE" >> $GITHUB_ENV

      - name: Fail if tests failed
        if: env.EXIT_CODE != '0'
        run: exit 1