syntax = "proto3";
package esriPBuffer;
option java_package = "com.esri.arcgis.protobuf";
option optimize_for = LITE_RUNTIME;

message FeatureCollectionPBuffer {
		// GeometryType
		enum GeometryType {
			esriGeometryTypePoint = 0;
			esriGeometryTypeMultipoint = 1;
			esriGeometryTypePolyline = 2;
			esriGeometryTypePolygon = 3;
			esriGeometryTypeMultipatch = 4;
			esriGeometryTypeNone = 127;
			esriGeometryTypeEnvelope = 5;
		}

		// FieldType
		enum FieldType {
			esriFieldTypeSmallInteger = 0;
			esriFieldTypeInteger = 1;
			esriFieldTypeSingle = 2;
			esriFieldTypeDouble = 3;
			esriFieldTypeString = 4;
			esriFieldTypeDate = 5;
			esriFieldTypeOID = 6;
			esriFieldTypeGeometry = 7;
			esriFieldTypeBlob = 8;
			esriFieldTypeRaster = 9;
			esriFieldTypeGUID = 10;
			esriFieldTypeGlobalID = 11;
			esriFieldTypeXML = 12;
			esriFieldTypeBigInteger = 13;
			esriFieldTypeDateOnly = 14;
			esriFieldTypeTimeOnly = 15;
			esriFieldTypeTimestampOffset = 16;
		}

		// FieldType
		enum SQLType {
			sqlTypeBigInt = 0;
			sqlTypeBinary = 1;
			sqlTypeBit = 2;
			sqlTypeChar = 3;
			sqlTypeDate = 4;
			sqlTypeDecimal = 5;
			sqlTypeDouble = 6;
			sqlTypeFloat = 7;
			sqlTypeGeometry = 8;
			sqlTypeGUID = 9;
			sqlTypeInteger = 10;
			sqlTypeLongNVarchar = 11;
			sqlTypeLongVarbinary = 12;
			sqlTypeLongVarchar = 13;
			sqlTypeNChar = 14;
			sqlTypeNVarchar = 15;
			sqlTypeOther = 16;
			sqlTypeReal = 17;
			sqlTypeSmallInt = 18;
			sqlTypeSqlXml = 19;
			sqlTypeTime = 20;
			sqlTypeTimestamp = 21;
			sqlTypeTimestamp2 = 22;
			sqlTypeTinyInt = 23;
			sqlTypeVarbinary = 24;
			sqlTypeVarchar = 25;
			sqlTypeTimestampWithTimezone = 26;
		}

		enum QuantizeOriginPostion {
			upperLeft = 0;
			lowerLeft = 1;
		}

		// SegmentType
		enum SegmentType {
			line = 0;
			arc = 1;
			bezier = 2;
			ellipticArc = 3;
		}

		message SpatialReference {
			uint32 wkid = 1;
			uint32 lastestWkid = 2;
			uint32 vcsWkid = 3;
			uint32 latestVcsWkid = 4;
			string wkt = 5;
			string wkt2 = 6;
		}

		message Field {
			string name = 1; 
			FieldType fieldType = 2;
			string alias = 3; 
			SQLType sqlType = 4;
			string domain = 5; 
			string defaultValue = 6;
		}

		message GeometryField {
			Field field = 1;
			GeometryType geometryType = 2;
		}

		message Envelope {
			double XMin = 1; 
			double YMin = 2; 
			double XMax = 3; 
			double YMax = 4; 
			SpatialReference SpatialReference = 5;
		}

		message Value {
			oneof value_type {
				// Exactly one of these values must be present in a valid message
				string string_value = 1;
				float  float_value = 2;
				double double_value = 3;
				sint32 sint_value = 4;
				uint32 uint_value = 5;
				int64  int64_value = 6;
				uint64 uint64_value = 7;
				sint64 sint64_value = 8;
				bool bool_value = 9;
				bool null_value = 10;
			}
			// This index represents the position of the field that this value is associated with in a list of field names.
			// It is currently used for mapping to the field name list present in QueryResponseSpbf.QueryResultHeader
			optional uint32 index = 11;
		}

		message Geometry {
			GeometryType geometryType = 1;
			repeated uint32 lengths = 2 [packed = true]; // coordinate structure in lengths
			repeated sint64 coords = 3 [packed = true]; // delta-encoded integer values
			repeated sint32 ids = 4 [packed = true]; // vertex ids
		}

 		message CurveGeometry {
			GeometryType         geometryType = 1;
 			repeated uint32      parts = 2;
			repeated SegmentSet  segmentSets = 3;
			repeated sint64      coords = 4  [packed = true];
 		}

	 	message SegmentSet {
			SegmentType         type = 1; 
			uint32              count = 2;
			repeated double     parameters = 3;
		}

	    message esriShapeBuffer {
			bytes bytes = 1;
		}

		message Feature {
			repeated Value attributes = 1;
			oneof compressed_geometry {
				Geometry geometry = 2;
				esriShapeBuffer shapeBuffer = 3;
				CurveGeometry curveGeometry = 7;	
			}
			Geometry centroid = 4;
			repeated Geometry aggregateGeometries = 5;              // Fields in oneofs must not have labels (required / optional / repeated).
		
			Envelope envelope = 6;
		}

		message UniqueIdField {
			string name = 1;
			bool isSystemMaintained = 2;
		}

		message GeometryProperties {
			string shapeAreaFieldName = 1;
			string shapeLengthFieldName = 2;
			string units = 3;
		}

		message ServerGens {
			uint64 minServerGen = 1; 
			uint64 serverGen = 2;
		}

		message Scale {
			double xScale = 1;
			double yScale = 2;
			double mScale = 3;
			double zScale = 4;
		}

		message Translate {
			double xTranslate = 1;
			double yTranslate = 2;
			double mTranslate = 3;
			double zTranslate = 4;
		}

		message Transform {
			QuantizeOriginPostion quantizeOriginPostion= 1;
			Scale scale = 2;
			Translate translate = 3;
		}

		message FeatureResult {
			string objectIdFieldName = 1;
			UniqueIdField uniqueIdField = 2;
			string globalIdFieldName = 3;
			string geohashFieldName = 4;
			GeometryProperties geometryProperties = 5;
			ServerGens serverGens = 6;
			GeometryType geometryType = 7; 
			SpatialReference spatialReference = 8;
			bool exceededTransferLimit = 9;
			bool hasZ = 10;
			bool hasM = 11;
			Transform transform = 12;
			repeated Field fields = 13;
			repeated Value values = 14;
			repeated Feature features = 15;
			repeated GeometryField geometryFields = 16;
		}

		message CountResult{
			uint64 count = 1;
		}

		message ObjectIdsResult {
			string objectIdFieldName = 1;
			ServerGens serverGens = 2;
			repeated uint64 objectIds = 3 [packed = true];
		}

		message ExtentCountResult {
			Envelope extent = 1;
			optional uint64 count = 2;
		}

		message QueryResult
		{
			oneof Results {
				FeatureResult featureResult = 1;
				CountResult countResult = 2;
				ObjectIdsResult idsResult = 3;
				ExtentCountResult extentCountResult = 4;
			}
		}

		// Any compliant implementation must first read the version
		// number encoded in this message and choose the correct
		// implementation for this version number before proceeding to
		// decode other parts of this message.
		string version = 1;
		QueryResult queryResult = 2;
}