package meta

type Reader interface {
	ReadI8(v *int8, field string) error
	ReadU8(v *uint8, field string) error
	ReadI16(v *int16, field string) error
	ReadU16(v *uint16, field string) error
	ReadI32(v *int32, field string) error
	ReadU32(v *uint32, field string) error
	ReadI64(v *int64, field string) error
	ReadU64(v *uint64, field string) error
	ReadBool(v *bool, field string) error
	ReadFloat(v *float32, field string) error
	ReadDouble(v *float64, field string) error
	ReadString(v *string, field string) error
	ReadBlob(v *[]byte, field string) error
	BeginContainer(field string) error
	EndContainer() error
	GetContainerSize() (int, error)
	Skip() error
	TryReadMask() (bool, FieldsMask, error)
}

type Writer interface {
	WriteI8(v int8, field string) error
	WriteU8(v uint8, field string) error
	WriteI16(v int16, field string) error
	WriteU16(v uint16, field string) error
	WriteI32(v int32, field string) error
	WriteU32(v uint32, field string) error
	WriteU64(v uint64, field string) error
	WriteI64(v int64, field string) error
	WriteBool(v bool, field string) error
	WriteFloat(v float32, field string) error
	WriteDouble(v float64, field string) error
	WriteString(v string, field string) error
	WriteBlob(v []byte, field string) error
	BeginContainer(field string)
	EndContainer() error
	GetData() ([]byte, error)
}

type ClassFieldsProps map[string]map[string]string

type IClassProps interface {
	CLASS_ID() uint32
	CLASS_NAME() string
	CLASS_PROPS() *map[string]string
	CLASS_FIELDS() []string
	CLASS_FIELDS_PROPS() *ClassFieldsProps
}

type MetaFactory func(classId uint32) (IMetaStruct, error)

type IMetaStruct interface {
	IClassProps
	Read(reader Reader) error
	Write(writer Writer) error
	ReadFields(reader Reader) error
	WriteFields(writer Writer) error
	Reset()
}

type IMetaDataItem interface {
	IClassProps
	GetDbTableName() string
	GetDbFields() []string
	GetOwnerFieldName() string
	GetIdFieldName() string
	GetIdValue() uint64
	Import(interface{})
	Export([]interface{})
	NewInstance() IMetaDataItem
}

type IRemovedIds interface {
	GetList(classId uint32) []uint64
	Add(classId uint32, id uint64)
	HasList(classId uint32) bool
}

type IBitmasked interface {
	SetFieldChanged(index uint64)
	HasValue(index uint64) bool
	IsMaskFilled() bool
	GetMask() FieldsMask
}

type RPCFactory func(classId uint32) (IRPC, error)

type IRPC interface {
	GetCode() int32
	GetName() string
	GetRequest() IMetaStruct
	GetResponse() IMetaStruct
	SetError(int32, string)
	GetError() (int32, string)
	Execute(interface{}) error
}