_D='region'
_C='size'
_B=False
_A=None
import inspect,json,logging,os,re,shutil,zipfile
from enum import Enum
from typing import Any,Dict,List,Optional,Set,Tuple,Type,Union
from deepdiff import DeepDiff
from localstack.utils.common import json_safe,merge_recursive,mkdir,new_tmp_dir,rm_rf,to_str
from localstack.utils.generic.singleton_utils import SubtypesInstanceManager
from localstack_ext.bootstrap.pods.constants import COMPRESSION_FORMAT,METAMODELS_FILE,VERSION_SERVICE_INFO_FILE
from localstack_ext.bootstrap.pods.models import StateFileRef,Version
from localstack_ext.bootstrap.pods.object_storage import ObjectStorageProvider,get_object_storage_provider
from localstack_ext.bootstrap.pods.utils.common import PodsConfigContext,add_file_to_archive,read_file_from_archive
from localstack_ext.bootstrap.pods.utils.hash_utils import compute_file_hash,random_hash
from localstack_ext.bootstrap.state_utils import API_STATES_DIR,api_states_traverse,check_already_visited,get_object_dict,load_persisted_object
LOG=logging.getLogger(__name__)
CAPTURE_METAMODEL_SEPARATELY=_B
PLACEHOLDER_NO_CHANGE={'_meta_':'no-change'}
class MetamodelDeltaMethod(Enum):SIMPLE='simple';DEEP_DIFF='deepdiff'
class MetamodelDelta(SubtypesInstanceManager):
	def create_delta_for_state_files(G,sf1,sf2,config_context):
		E=config_context;B=sf2;A=sf1
		if A and B:
			if A.hash_ref==B.hash_ref:return PLACEHOLDER_NO_CHANGE
			else:C=load_persisted_object(E.get_obj_file_path(A.hash_ref));D=load_persisted_object(E.get_obj_file_path(B.hash_ref));return G.create_delta_json(C,D)
		if not A:D=load_persisted_object(E.get_obj_file_path(B.hash_ref));F=type(D);C=_infer_backend_init(F,B)
		else:C=load_persisted_object(E.get_obj_file_path(A.hash_ref));F=type(C);D=_infer_backend_init(F,A)
		H=G.create_delta_json(C,D);return H
	def create_delta_log(E,state_from,state_to,config_context):
		D=config_context;H=_filter_special_cases(state_from);O=H[0];P=H[1];Q=H[2];A=_filter_special_cases(state_to);L=A[0];R=A[1];S=A[2]
		def T(state_files):return{os.path.join(A.rel_path,A.file_name):A for A in state_files}
		C={};M=T(L)
		for B in O:
			I=C.setdefault(B.region,{});J=I.setdefault(B.service,{})
			if B.any_congruence(L):F=os.path.join(B.rel_path,B.file_name);U=M.pop(F);G=E.create_delta_for_state_files(B,U,D)
			else:G=E.create_delta_for_state_files(B,_A,D)
			J[B.file_name]=G
		for A in M.values():I=C.setdefault(A.region,{});J=I.setdefault(A.service,{});G=E.create_delta_for_state_files(_A,A,D);J[A.file_name]=G
		def N(service,sf_from,sf_to):
			P='name';K=service;L={};F={};M=get_object_storage_provider(D)
			for N in sf_from:
				A=N.region;G=L.setdefault(A,{});B=load_persisted_object(M.get_state_file_location_by_key(N.hash_ref))
				if hasattr(B,P):G[B.name]=B
			for O in sf_to:
				A=O.region;G=F.setdefault(A,{});B=load_persisted_object(M.get_state_file_location_by_key(O.hash_ref))
				if hasattr(B,P):G[B.name]=B
			for (A,Q) in L.items():H=F.pop(A,{});I=C.setdefault(A,{});J=E.create_delta_json(Q,H);I[K]=J
			for (A,H) in F.items():I=C.setdefault(A,{});J=E.create_delta_json({},H);I[K]=J
		N('sqs',Q,S);N('s3',P,R);K=os.path.join(D.get_delta_log_path(),random_hash());C=json_safe(C)
		with open(K,'w')as V:json.dump(C,V,indent=1)
		F=compute_file_hash(K);W=os.path.join(D.get_delta_log_path(),F);os.rename(K,W);return F
	def create_delta_json(A,state1,state2):raise NotImplementedError
class MetamodelDeltaDeepDiff(MetamodelDelta):
	@staticmethod
	def impl_name():return MetamodelDeltaMethod.DEEP_DIFF
	def create_delta_json(A,state1,state2):return DeepDiff(state1,state2).to_json()
class MetamodelDeltaSimple(MetamodelDelta):
	@staticmethod
	def impl_name():return MetamodelDeltaMethod.SIMPLE
	def create_delta_json(C,state1,state2):
		B=_create_metamodel_helper(state1)or{};A=_create_metamodel_helper(state2)or{}
		if B==A:return PLACEHOLDER_NO_CHANGE
		return A
class CommitMetamodelUtils:
	def __init__(A,config_context,object_storage=_A):
		B=object_storage;from localstack_ext.bootstrap.pods.object_storage import get_object_storage_provider as C;A.config_context=config_context;A.object_storage=B
		if B is _A:A.object_storage=C(A.config_context)
	def create_metadata_archive(A,version,delete_reference=_B,overwrite=_B,metamodels_file=_A):
		I=overwrite;E=metamodels_file;D=version;C=A.object_storage.get_revision_or_version_by_key(D.active_revision_ptr if I else D.incoming_revision_ptr);L=C.revision_number;B=A.config_context.metadata_dir(D.version_number);mkdir(B)
		if E:
			J=A.config_context.get_version_meta_archive_path(D.version_number)
			if os.path.isfile(J):
				with zipfile.ZipFile(J)as M:M.extractall(B)
		while C:
			F=C.assoc_commit
			if not F:break
			K=F.delta_log_ptr
			if K:
				G=A.object_storage.get_delta_file_by_key(K,A.config_context.get_delta_log_path())
				if not G:continue
				N=A.config_context.commit_metamodel_file(C.revision_number+1);O=os.path.join(A.config_context.pod_root_dir,B,N);shutil.copy(G,O)
				if delete_reference:os.remove(G)
			P=F.head_ptr if I else C.parent_ptr;C=A.object_storage.get_revision_by_key(P)
		Q,R=A.create_delta_metamodel_file(D.version_number,L)
		if CAPTURE_METAMODEL_SEPARATELY:
			E=E or METAMODELS_FILE;S=os.path.join(B,E)
			with open(S,'w')as H:json.dump(Q,H)
		T=os.path.join(B,VERSION_SERVICE_INFO_FILE)
		with open(T,'w')as H:json.dump(R,H,indent=1)
		shutil.make_archive(B,COMPRESSION_FORMAT,root_dir=B);rm_rf(B)
	def create_metamodel_from_state_files(E,version):
		A=new_tmp_dir();B=E.config_context.get_version_state_archive(version=version)
		if not B:return
		with zipfile.ZipFile(B)as F:F.extractall(A)
		G=os.path.join(A,API_STATES_DIR);C={};D={};api_states_traverse(api_states_path=G,side_effect=_metadata_create_func,mutables=[C,D]);rm_rf(A);return C,D
	@classmethod
	def get_metamodel_delta(L,prev_metamodel,this_metamodel):
		C=prev_metamodel;A=this_metamodel
		if not C:return A
		def H(prev_service_state,service_state):return service_state!=prev_service_state
		D={};A=A or{}
		for (E,I) in A.items():
			D[E]=F={};J=C.get(E)or{}
			for (B,G) in I.items():
				F[B]=PLACEHOLDER_NO_CHANGE;K=J.get(B)
				if H(K,G):F[B]=G
		return D
	def create_delta_metamodel_file(A,version,revision,store_to_zip=_B):
		F=store_to_zip;C=revision;B=version;D,G=A.create_metamodel_from_state_files(version=B);H=A.config_context.get_version_meta_archive_path(version=B);I=A.config_context.metamodel_file(revision=C)
		if C<=1:
			if F:add_file_to_archive(H,entry_name=I,content=json.dumps(D))
			return D,G
		E=_A
		if CAPTURE_METAMODEL_SEPARATELY:
			J=A.reconstruct_metamodel(version=B,revision=C-1);E=A.get_metamodel_delta(J,D)
			if F:add_file_to_archive(H,entry_name=I,content=json.dumps(E))
		return E,G
	def reconstruct_metamodel(D,version,revision=_A):
		E=version;B=revision
		if not B:B=infer_max_commit_diff(archive_path=D.config_context.get_version_meta_archive(E))
		A={}
		for I in range(1,B+1):
			F=D.get_version_metamodel(version=E,revision=I)
			if not F:return{}
			for (C,G) in F.items():
				if C not in A:A[C]=G;continue
				for (J,H) in G.items():
					if H==PLACEHOLDER_NO_CHANGE:continue
					A[C][J]=H
		return A
	def get_version_metamodel(A,version,revision=_A):
		B=A.config_context.get_version_meta_archive(version)
		if B:C=A.config_context.metamodel_file(revision=revision);D=read_file_from_archive(B,C);return json.loads(D)
	def get_commit_diff(B,version_no,commit_no):
		C=version_no;D=B.config_context.get_version_meta_archive(C)
		if not D:LOG.warning(f"No metadata found for version {C}");return
		E=B.config_context.commit_metamodel_file(commit_no);A=read_file_from_archive(archive_path=D,file_name=E);A=json.loads(to_str(A or'{}'));return A
def _infer_backend_init(clazz,sf):
	A=clazz
	if isinstance(A,dict):return{}
	D=getattr(A,'__init__',_A);C=inspect.getfullargspec(D)
	if _D in C.args:B=A(region=sf.region)
	elif'region_name'in C.args:B=A(region_name=sf.region)
	else:B=A()
	return B
def _filter_special_cases(state_files):
	B,C,D=[],[],[]
	for A in state_files:
		if A.service=='sqs':D.append(A)
		elif A.service=='s3':C.append(A)
		else:B.append(A)
	return B,C,D
def _metadata_create_func(**A):
	try:J=A.get('dir_name');B=A.get('account_id');K=A.get('fname');E=A.get(_D);F=A.get('service_name');G=A.get('mutables');C=G[0];C[B]=C.get(B)or{};H=os.path.join(J,K);L=load_persisted_object(H);M=_create_metamodel_helper(L)or{};I=C.get(B)[E]=C.get(B).get(E)or{};N=I[F]=I.get(F)or{};D=G[1];merge_recursive(source=M,destination=N);O=D.setdefault(E,{});D=O.setdefault(F,{});D[_C]=D.get(_C,0)+os.path.getsize(H)
	except Exception as P:LOG.exception(f"Unable to create metamodel for state object {A} : {P}")
def _create_metamodel_helper(obj,width=25,visited=_A):
	D=visited;C=width;A=obj
	if A is _A:return A
	F,D=check_already_visited(A,D)
	if F:return A
	E=get_object_dict(A);B=A=E if E is not _A else A
	if isinstance(A,dict):
		B=dict(B)
		for (G,H) in B.items():B[G]=_create_metamodel_helper(H,width=C,visited=D)
	elif isinstance(A,list):
		B=[_create_metamodel_helper(B,width=C,visited=D)for B in A]
		if len(B)>C:B={_C:len(B),'items':B[:C]}
	return B
def infer_max_commit_diff(archive_path):
	A=1
	with zipfile.ZipFile(archive_path)as D:
		for E in D.namelist():
			B=re.search('metamodel_commit_([0-9]+)\\.json',E)
			if not B:continue
			C=int(B.group(1))
			if C>A:A=C
	return A