# pylint:disable=no-member
import logging

l = logging.getLogger(name=__name__)

from ..protos.primitives_pb2 import Edge


_CFG_JUMPKINDS = {
    None: Edge.UnknownJumpkind,
    'Ijk_Boring': Edge.Boring,
    'Ijk_Call': Edge.Call,
    'Ijk_Ret': Edge.Return,
    'Ijk_FakeRet': Edge.FakeReturn,
    'Ijk_Syscall': Edge.Syscall,
    'Ijk_Sys_syscall': Edge.Sys_syscall,
    'Ijk_Sys_int128': Edge.Sys_int128,
    'Ijk_NoDecode': Edge.NoDecode,
    'Ijk_EmWarn': Edge.EmWarn,
    'Ijk_SigFPE_IntDiv': Edge.SigFPE_IntDiv,
    'Ijk_SigTRAP': Edge.SigTRAP,
    'Ijk_SigSEGV': Edge.SigSEGV,
    'Ijk_MapFail': Edge.MapFail,
    'Ijk_NoRedir': Edge.NoRedir,
    'Ijk_ClientReq': Edge.ClientReq,
    'Ijk_Exception': Edge.Exception,
}


_PB_TO_CFG_JUMPKINDS = { }
for k, v in _CFG_JUMPKINDS.items():
    _PB_TO_CFG_JUMPKINDS[v] = k


_FUNCTION_EDGETYPES = {
    None: Edge.UnknownJumpkind,
    'transition': Edge.Boring,
    'call': Edge.Call,
    'return': Edge.Return,
    'fake_return': Edge.FakeReturn,
    'syscall': Edge.Syscall,
    'exception': Edge.Exception,
}


_PB_TO_FUNCTION_EDGETYPES = { }
for k, v in _FUNCTION_EDGETYPES.items():
    _PB_TO_FUNCTION_EDGETYPES[v] = k


def cfg_jumpkind_to_pb(jk):
    try:
        return _CFG_JUMPKINDS[jk]
    except KeyError:
        l.error("Unsupported CFG jumpkind %s in cfg_jumpkind_to_pb. Please report it on GitHub.", jk)
        return None


def func_edge_type_to_pb(jk):
    try:
        return _FUNCTION_EDGETYPES[jk]
    except KeyError:
        l.error("Unsupported function edge type %s in func_edge_type_to_pb. Please report it on GitHub.", jk)
        return None


def cfg_jumpkind_from_pb(pb):
    try:
        return _PB_TO_CFG_JUMPKINDS[pb]
    except KeyError:
        l.error("Unsupported protobuf jumpkind %s in cfg_jumpkind_from_pb. Please report it on GitHub.", pb)
        return None


def func_edge_type_from_pb(pb):
    try:
        return _PB_TO_FUNCTION_EDGETYPES[pb]
    except KeyError:
        l.error("Unsupported protobuf jumpkind %s in func_edge_type_to_pb. Please report it on GitHub.", pb)
        return None
