name: Test

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

jobs:
  vet:
    runs-on: codeberg-small
    steps:
      - uses: https://data.forgejo.org/actions/checkout@v4

      - uses: https://data.forgejo.org/actions/setup-go@v5
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

      - name: gofmt
        # `gofmt -l` prints the names of unformatted files. An empty
        # output is the only acceptable result.
        run: gofmt -l cmd internal pkg

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

  test:
    runs-on: codeberg-small
    needs: vet
    steps:
      - uses: https://data.forgejo.org/actions/checkout@v4

      - uses: https://data.forgejo.org/actions/setup-go@v5
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

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

      - name: Coverage gate
        run: |
          go test -coverprofile=coverage.out ./...
          coverage=$(go tool cover -func=coverage.out | awk '/^total:/ { gsub("%",""); print $3 }')
          echo "Total coverage: ${coverage}%"
          awk -v c="$coverage" 'BEGIN { exit !(c+0 < 40) }' \
            && { echo "Coverage ${coverage}% is below 40% threshold"; exit 1; } \
            || echo "Coverage ${coverage}% OK (threshold: 40%)"

  fuzz:
    runs-on: codeberg-small
    needs: vet
    steps:
      - uses: https://data.forgejo.org/actions/checkout@v4

      - uses: https://data.forgejo.org/actions/setup-go@v5
        with:
          go-version: "1.26"

      - name: Download dependencies
        run: go mod download

      - name: go test -fuzz
        run: |
          for pkg in $(go list ./...); do
            fuzz_funcs=$(go test -list='Fuzz.*' "$pkg" 2>/dev/null | grep '^Fuzz' || true)
            if [ -n "$fuzz_funcs" ]; then
              echo "==> Fuzzing $pkg"
              for fn in $fuzz_funcs; do
                echo "    $fn …"
                go test -parallel=2 -timeout=5m -fuzz="^${fn}$" -fuzztime=8s "$pkg"
              done
            fi
          done