Another checkpoint moving to proto defined packets

decoder/formatter.go

@@ -1,5 +1,87 @@
 package decoder
 
-// This file has been intentionally left empty.
-// Removed formatter functions as they are no longer needed.
-// We now use protobuf serialization via protojson for formatting.
+import (
+	"fmt"
+	"strings"
+
+	meshtreampb "meshstream/generated/meshstream"
+)
+
+// FormatTopicAndPacket creates a human-readable representation of a topic and packet
+// for debugging purposes.
+func FormatTopicAndPacket(topic *meshtreampb.TopicInfo, data *meshtreampb.Data) string {
+	var sb strings.Builder
+
+	// Topic information
+	sb.WriteString("===== Topic Info =====\n")
+	sb.WriteString(fmt.Sprintf("Full Topic: %s\n", topic.FullTopic))
+	sb.WriteString(fmt.Sprintf("Region Path: %s\n", topic.RegionPath))
+	sb.WriteString(fmt.Sprintf("Version: %s\n", topic.Version))
+	sb.WriteString(fmt.Sprintf("Format: %s\n", topic.Format))
+	sb.WriteString(fmt.Sprintf("Channel: %s\n", topic.Channel))
+	sb.WriteString(fmt.Sprintf("User ID: %s\n", topic.UserId))
+
+	// Packet information
+	sb.WriteString("\n===== Packet Info =====\n")
+	
+	// Check if we have a decode error
+	if data.DecodeError != "" {
+		sb.WriteString(fmt.Sprintf("ERROR: %s\n", data.DecodeError))
+		return sb.String()
+	}
+
+	// Basic packet information
+	sb.WriteString(fmt.Sprintf("ID: %d\n", data.Id))
+	sb.WriteString(fmt.Sprintf("From: %d\n", data.From))
+	sb.WriteString(fmt.Sprintf("To: %d\n", data.To))
+	sb.WriteString(fmt.Sprintf("Channel ID: %s\n", data.ChannelId))
+	sb.WriteString(fmt.Sprintf("Gateway ID: %s\n", data.GatewayId))
+	sb.WriteString(fmt.Sprintf("Port: %s\n", data.PortNum.String()))
+	sb.WriteString(fmt.Sprintf("Hop Limit: %d\n", data.HopLimit))
+	sb.WriteString(fmt.Sprintf("Request ID: %d\n", data.RequestId))
+	
+	// Payload type-specific information
+	sb.WriteString("\n===== Payload Info =====\n")
+	
+	switch data.Payload.(type) {
+	case *meshtreampb.Data_TextMessage:
+		sb.WriteString(fmt.Sprintf("Type: Text Message\nContent: %s\n", data.GetTextMessage()))
+		
+	case *meshtreampb.Data_Position:
+		pos := data.GetPosition()
+		lat := float64(pos.GetLatitudeI()) / 10000000.0
+		lon := float64(pos.GetLongitudeI()) / 10000000.0
+		sb.WriteString(fmt.Sprintf("Type: Position\nLatitude: %.6f\nLongitude: %.6f\nAltitude: %d\n", 
+			lat, lon, pos.GetAltitude()))
+		
+	case *meshtreampb.Data_Telemetry:
+		telemetry := data.GetTelemetry()
+		sb.WriteString("Type: Telemetry\n")
+		if telemetry.GetEnvironmentMetrics() != nil {
+			env := telemetry.GetEnvironmentMetrics()
+			sb.WriteString(fmt.Sprintf("Environment: Temp %.1f°C, Rel Humidity %.1f%%\n", 
+				env.GetTemperature(), env.GetRelativeHumidity()))
+		}
+		if telemetry.GetDeviceMetrics() != nil {
+			dev := telemetry.GetDeviceMetrics()
+			sb.WriteString(fmt.Sprintf("Device: Battery %d%%, Voltage %.1fV\n", 
+				dev.GetBatteryLevel(), dev.GetVoltage()))
+		}
+		
+	case *meshtreampb.Data_NodeInfo:
+		user := data.GetNodeInfo()
+		sb.WriteString(fmt.Sprintf("Type: User Info\nID: %s\nLongName: %s\nShortName: %s\n", 
+			user.GetId(), user.GetLongName(), user.GetShortName()))
+		
+	case *meshtreampb.Data_MapReport:
+		sb.WriteString(fmt.Sprintf("Type: Map Report\n"))
+		
+	case *meshtreampb.Data_BinaryData:
+		sb.WriteString(fmt.Sprintf("Type: Binary Data\nLength: %d bytes\n", len(data.GetBinaryData())))
+		
+	default:
+		sb.WriteString("Type: Unknown\n")
+	}
+	
+	return sb.String()
+}