package meta

type Reader interface {
	ReadInt8(v *int8, field string) error
	ReadInt16(v *int16, field string) error
	ReadInt32(v *int32, field string) error
	ReadInt64(v *int64, field string) error

	ReadUint8(v *uint8, field string) error
	ReadUint16(v *uint16, field string) error
	ReadUint32(v *uint32, field string) error
	ReadUint64(v *uint64, field string) error

	ReadBool(v *bool, field string) error

	ReadFloat32(v *float32, field string) error
	ReadFloat64(v *float64, field string) error

	ReadString(v *string, field string) error
	ReadBytes(v *[]byte, field string) error

	BeginContainer(field string) error
	EndContainer() error

	BeginCollection(field string) error
	EndCollection() error

	ContainerSize() (int, error)
	IsContainerAssoc() (bool, error)

	Skip() error
	TryReadMask() (bool, FieldsMask, error)
}

type Writer interface {
	WriteInt8(v int8, field string) error
	WriteInt16(v int16, field string) error
	WriteInt32(v int32, field string) error
	WriteInt64(v int64, field string) error

	WriteUint8(v uint8, field string) error
	WriteUint16(v uint16, field string) error
	WriteUint32(v uint32, field string) error
	WriteUint64(v uint64, field string) error

	WriteBool(v bool, field string) error

	WriteFloat32(v float32, field string) error
	WriteFloat64(v float64, field string) error

	WriteString(v string, field string) error
	WriteBytes(v []byte, field string) error

	BeginCollection(length int, field string) error
	EndCollection() error

	BeginContainer(length int, field string) error
	EndContainer() error
}

type Class interface {
	ClassId() uint32
	ClassName() string
}

type Readable interface {
	Reset()
	Read(Reader) error
	ReadFields(Reader) error
}

type Writable interface {
	Write(Writer) error
	WriteFields(Writer) error
	FieldsCount() int
}

type Struct interface {
	Class
	Readable
	Writable
}

type StructFactory func(classId uint32) (Readable, error)

type Bitmasked interface {
	FieldChanged(index uint64) bool
	SetFieldChanged(index uint64)
	HasChangedFields() bool
	FieldsMask() FieldsMask
}

type WritableClass interface {
	Class
	Writable
}

type ReadableWritable interface {
	Readable
	Writable
}