# Test — Go. Runs on push and pull request to development. Never on main.
name: Test

on:
  push:
    branches: [development]
  pull_request:
    branches: [development]

jobs:
  vet:
    runs-on: fedora
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-go@v6
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

      - name: gofmt
        # gofmt -l prints unformatted files; an empty output is the only pass.
        run: |
          unformatted=$(gofmt -l .)
          if [ -n "$unformatted" ]; then
            echo "These files need gofmt:"
            echo "$unformatted"
            exit 1
          fi

      - name: go vet
        run: go vet ./...

  test:
    runs-on: fedora
    needs: vet
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-go@v6
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

      # The runner images have no gcc; the race detector needs CGO.
      - name: Install gcc
        run: dnf install -y gcc

      - name: go test -race
        run: go test -race -count=1 ./...

      # Coverage is measured over the library packages; cmd/ is thin glue.
      - name: Coverage gate — 80 % minimum
        run: |
          set -euo pipefail
          go test -coverprofile=coverage.out ./internal/... ./pkg/...
          coverage=$(go tool cover -func=coverage.out | awk '/^total:/ { gsub("%", "", $3); print $3 }')
          echo "Total coverage: ${coverage}%"
          if awk -v c="$coverage" 'BEGIN { exit !(c+0 < 80) }'; then
            echo "ERROR: coverage ${coverage}% is below the 80% threshold"
            exit 1
          fi

      - name: Build examples
        run: go build ./examples/...

  build:
    runs-on: fedora
    needs: test
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-go@v6
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

      - name: Build
        run: go build -ldflags="-s -w" -o bin/nuntius ./cmd/server

      - name: Smoke test
        run: ./bin/nuntius --version