from __future__ import annotations
_C=True
_B=False
_A=None
import inspect,json,logging,os
from copy import deepcopy
from typing import Any,Dict,Optional,Set,Type
from localstack.utils.common import ArbitraryAccessObj
from moto.s3.models import FakeBucket
from moto.sqs.models import Queue
from localstack_ext.bootstrap.state_utils import check_already_visited,check_already_visited_obj_id,get_object_dict
LOG=logging.getLogger(__name__)
def _merge_3way_dfs_on_key(current,injecting,ancestor,key,visited=_A):
	F=visited;D=ancestor;C=injecting;B=current;A=key;G=A in B;H=A in C;I=A in D if D else _B;K=I and not H and G;L=not I and H and not G;J=H and G and B[A]!=C[A];M=J and I and B[A]==D[A]
	if K:del B[A]
	elif L:B[A]=deepcopy(C[A])
	else:
		E=_A
		if M:E=C[A];B[A]=deepcopy(E)
		elif J:E=B[A]
		N,F=check_already_visited_obj_id(E,F)
		if not N:O=B[A];merge_3way(O,C.get(A,{}),D.get(A,{}),F)
def merge_3way(current,injecting,ancestor,visited=_A):
	B=injecting;A=current
	if isinstance(A,list):A.extend(B);return
	elif isinstance(A,set):A.update(B);return
	C=get_object_dict(A)
	if C is not _A:
		D=get_object_dict(B)or{};E=get_object_dict(ancestor)or{};F={*(C),*(D),*(E)}
		for G in F:_merge_3way_dfs_on_key(C,D,E,G,visited)
def merge_object_state(current,injecting,common_ancestor=_A):
	B=injecting;A=current
	if not A or not B:return A
	C=handle_special_case(A,B)
	if C:return A
	merge_3way(A,B,common_ancestor);add_missing_attributes(A);return A
def handle_special_case(current,injecting):
	B=current;A=injecting
	if isinstance(A,Queue):B.queues[A.name]=A;return _C
	elif isinstance(A,FakeBucket):C=B['global']if isinstance(B,dict)else B;C.buckets[A.name]=A;return _C
def add_missing_attributes(obj,safe=_C,visited=_A):
	C=visited;A=obj
	try:
		B=get_object_dict(A)
		if B is _A:return
		E,C=check_already_visited(A,C)
		if E:return
		for F in B.values():add_missing_attributes(F,safe=safe,visited=C)
		G=infer_class_attributes(type(A))
		for (D,H) in G.items():
			if D not in B:LOG.debug("Add missing attribute '%s' to state object of type %s"%(D,type(A)));B[D]=H
	except Exception as I:
		if not safe:raise
		LOG.warning('Unable to add missing attributes to persistence state object %s: %s',(A,I))
def infer_class_attributes(clazz):
	B=clazz
	if B in[list,dict]or not inspect.isclass(B)or B.__name__=='function':return{}
	C=getattr(B,'__init__',_A)
	if not C:return{}
	try:
		A=inspect.getfullargspec(C)
		def D(arg_name,arg_index=-1):
			C=arg_name;B=A.defaults or[];F=len(A.args or[])-len(B);D=arg_index-F
			if D in range(len(B)):return B[D]
			E=A.kwonlydefaults or{}
			if C in E:return E[C]
			return ArbitraryAccessObj()
		E=[];F={}
		for G in range(1,len(A.args)):E.append(D(A.args[G],arg_index=G))
		for H in A.kwonlyargs:F[H]=D(H)
		I=B(*(E),**F);J=dict(I.__dict__);return J
	except Exception:return{}
def merge_kinesis_state(path_dest,path_src):
	J='streams';E=path_src;D=path_dest;F='kinesis-data.json';B=os.path.join(D,F);G=os.path.join(E,F)
	if not os.path.isfile(B):LOG.info(f"Could not find statefile in path destination {D}");return _B
	if not os.path.isfile(G):LOG.info(f"Could not find statefile in path source {E}");return _B
	with open(B)as K,open(G)as L:
		H=json.load(K);M=json.load(L);I=H.get(J,[]);C=M.get(J,[])
		if len(C)>0:
			N=I.keys()
			for A in C:
				if A not in N:I[A]=C.get(A);LOG.debug(f"Copied state from stream {A}")
			with open(B,'w')as O:O.write(json.dumps(H))
			return _C
	return _B