package protocol

// 删除矩形区域
type T808_0x8603 struct {
	// 区域ID列表
	IDs []uint32
}

func (entity *T808_0x8603) MsgID() MsgID {
	return MsgT808_0x8603
}

func (entity *T808_0x8603) Encode() ([]byte, error) {
	writer := NewWriter()

	// 写入ID总数
	writer.WriteByte(byte(len(entity.IDs)))

	// 写入ID列表
	for _, id := range entity.IDs {
		writer.WriteUint32(id)
	}
	return writer.Bytes(), nil
}

func (entity *T808_0x8603) Decode(data []byte) (int, error) {
	if len(data) < 1 {
		return 0, ErrInvalidBody
	}

	count := int(data[0])
	reader := NewReader(data[1:])
	entity.IDs = make([]uint32, 0, count)
	for i := 0; i < count; i++ {
		id, err := reader.ReadUint32()
		if err != nil {
			return 0, err
		}
		entity.IDs = append(entity.IDs, id)
	}
	return len(data) - reader.Len() - 1, nil
}