"""LCM type definitions
This file automatically generated by lcm.
DO NOT MODIFY BY HAND!!!!
"""

from io import BytesIO
import struct
import sys

from . import *
from .InteractiveMarker import InteractiveMarker


class InteractiveMarkerInit(object):
    msg_name = "InteractiveMarkerInit"

    __slots__ = ["markers_length", "server_id", "seq_num", "markers"]

    __typenames__ = ["int32_t", "string", "int64_t", "InteractiveMarker"]

    __dimensions__ = [None, None, None, ["markers_length"]]

    markers_length: "int32_t"
    server_id: "string"
    seq_num: "int64_t"
    markers: InteractiveMarker

    def __init__(self, markers_length=0, server_id="", seq_num=0, markers=[]):
        # LCM Type: int32_t
        self.markers_length = markers_length
        # LCM Type: string
        self.server_id = server_id
        # LCM Type: int64_t
        self.seq_num = seq_num
        # LCM Type: InteractiveMarker[markers_length]
        self.markers = markers

    def lcm_encode(self):
        buf = BytesIO()
        buf.write(InteractiveMarkerInit._get_packed_fingerprint())
        self._encode_one(buf)
        return buf.getvalue()

    def _encode_one(self, buf):
        buf.write(struct.pack(">i", self.markers_length))
        __server_id_encoded = self.server_id.encode("utf-8")
        buf.write(struct.pack(">I", len(__server_id_encoded) + 1))
        buf.write(__server_id_encoded)
        buf.write(b"\0")
        buf.write(struct.pack(">q", self.seq_num))
        for i0 in range(self.markers_length):
            assert (
                self.markers[i0]._get_packed_fingerprint()
                == InteractiveMarker._get_packed_fingerprint()
            )
            self.markers[i0]._encode_one(buf)

    @classmethod
    def lcm_decode(cls, data: bytes):
        if hasattr(data, "read"):
            buf = data
        else:
            buf = BytesIO(data)
        if buf.read(8) != cls._get_packed_fingerprint():
            raise ValueError("Decode error")
        return cls._decode_one(buf)

    @classmethod
    def _decode_one(cls, buf):
        self = cls()
        self.markers_length = struct.unpack(">i", buf.read(4))[0]
        __server_id_len = struct.unpack(">I", buf.read(4))[0]
        self.server_id = buf.read(__server_id_len)[:-1].decode("utf-8", "replace")
        self.seq_num = struct.unpack(">q", buf.read(8))[0]
        self.markers = []
        for i0 in range(self.markers_length):
            self.markers.append(cls._get_field_type("markers")._decode_one(buf))
        return self

    @classmethod
    def _get_field_type(cls, field_name):
        """Get the type for a field from annotations."""
        annotation = cls.__annotations__.get(field_name)
        if annotation is None:
            return None
        if isinstance(annotation, str):
            module = sys.modules[cls.__module__]
            if hasattr(module, annotation):
                return getattr(module, annotation)
            return None
        return annotation

    @classmethod
    def _get_hash_recursive(cls, parents):
        if cls in parents:
            return 0
        newparents = parents + [cls]
        tmphash = (
            0xD2AFAF11CFF61D9 + InteractiveMarker._get_hash_recursive(newparents)
        ) & 0xFFFFFFFFFFFFFFFF
        tmphash = (
            ((tmphash << 1) & 0xFFFFFFFFFFFFFFFF) + (tmphash >> 63)
        ) & 0xFFFFFFFFFFFFFFFF
        return tmphash

    _packed_fingerprint = None

    @classmethod
    def _get_packed_fingerprint(cls):
        if cls._packed_fingerprint is None:
            cls._packed_fingerprint = struct.pack(">Q", cls._get_hash_recursive([]))
        return cls._packed_fingerprint

    def get_hash(self):
        """Get the LCM hash of the struct"""
        return struct.unpack(">Q", cls._get_packed_fingerprint())[0]
