add processor to generator random float

internal/processor/float-random.go

@@ -0,0 +1,71 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"math/rand/v2"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type FloatRandom struct {
+	BitSize int
+	Min     float64
+	Max     float64
+	config  config.ProcessorConfig
+}
+
+func (fr *FloatRandom) Process(ctx context.Context, payload any) (any, error) {
+	if fr.BitSize == 32 {
+		payloadFloat := rand.Float32()*(float32(fr.Max)-float32(fr.Min)) + float32(fr.Min)
+		return payloadFloat, nil
+	}
+	if fr.BitSize == 64 {
+		payloadFloat := rand.Float64()*(fr.Max-fr.Min) + fr.Min
+		return payloadFloat, nil
+	}
+	return nil, errors.New("float.random bitSize error: must be 32 or 64")
+}
+
+func (fr *FloatRandom) Type() string {
+	return fr.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "float.random",
+		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
+			params := processorConfig.Params
+
+			bitSizeInt, err := params.GetInt("bitSize")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					bitSizeInt = 32
+				} else {
+					return nil, fmt.Errorf("float.random bitSize error: %w", err)
+				}
+			}
+
+			if bitSizeInt != 32 && bitSizeInt != 64 {
+				return nil, errors.New("float.random bitSize error: must be 32 or 64")
+			}
+
+			minFloat, err := params.GetFloat64("min")
+			if err != nil {
+				return nil, fmt.Errorf("float.random min error: %w", err)
+			}
+
+			maxFloat, err := params.GetFloat64("max")
+			if err != nil {
+				return nil, fmt.Errorf("float.random max error: %w", err)
+			}
+
+			if maxFloat < minFloat {
+				return nil, errors.New("float.random max must be greater than min")
+			}
+
+			return &FloatRandom{config: processorConfig, Min: minFloat, Max: maxFloat, BitSize: bitSizeInt}, nil
+		},
+	})
+}