# cython: embedsignature=True
from cpython.ref cimport Py_INCREF
from cymem.cymem cimport Pool
from murmurhash.mrmr cimport hash64

from libc.string cimport memset

from .orth cimport word_shape
from .typedefs cimport attr_t, flags_t
import numpy

from .attrs cimport IS_ALPHA, IS_ASCII, IS_DIGIT, IS_LOWER, IS_PUNCT, IS_SPACE
from .attrs cimport IS_TITLE, IS_UPPER, LIKE_URL, LIKE_NUM, LIKE_EMAIL, IS_STOP
from .attrs cimport IS_OOV


memset(&EMPTY_LEXEME, 0, sizeof(LexemeC))


cdef class Lexeme:
    """An entry in the vocabulary.  A Lexeme has no string context --- it's a
    word-type, as opposed to a word token.  It therefore has no part-of-speech
    tag, dependency parse, or lemma (lemmatization depends on the part-of-speech
    tag).
    """
    def __init__(self, Vocab vocab, int orth):
        self.vocab = vocab
        self.orth = orth
        self.c = <LexemeC*><void*>vocab.get_by_orth(vocab.mem, orth)
        assert self.c.orth == orth

    def py_set_flag(self, attr_id_t flag_id):
        Lexeme.set_flag(self.c, flag_id, True)
    
    def py_check_flag(self, attr_id_t flag_id):
        return True if Lexeme.check_flag(self.c, flag_id) else False

    property orth_:
        def __get__(self):
            return self.vocab.strings[self.c.orth]

    property lower:
        def __get__(self): return self.c.lower
        def __set__(self, int x): self.c.lower = x
    
    property norm:
        def __get__(self): return self.c.norm
        def __set__(self, int x): self.c.norm = x

    property shape:
        def __get__(self): return self.c.shape
        def __set__(self, int x): self.c.shape = x

    property prefix:
        def __get__(self): return self.c.prefix
        def __set__(self, int x): self.c.prefix = x

    property suffix:
        def __get__(self): return self.c.suffix
        def __set__(self, int x): self.c.suffix = x
    
    property cluster:
        def __get__(self): return self.c.suffix
        def __set__(self, int x): self.c.suffix = x
 
    property prob:
        def __get__(self): return self.c.suffix
        def __set__(self, int x): self.c.suffix = x

    property lower_:
        def __get__(self): return self.vocab.strings[self.c.lower]
        def __set__(self, unicode x): self.c.lower = self.vocab.strings[x]
 
    property norm_:
        def __get__(self): return self.c.norm
        def __set__(self, unicode x): self.c.norm = self.vocab.strings[x]
    
    property shape_:
        def __get__(self): return self.vocab.strings[self.c.shape]
        def __set__(self, unicode x): self.c.shape = self.vocab.strings[x]

    property prefix_:
        def __get__(self): return self.c.prefix
        def __set__(self, unicode x): self.c.prefix = self.vocab.strings[x]

    property suffix_:
        def __get__(self): return self.c.suffix
        def __set__(self, unicode x): self.c.suffix = self.vocab.strings[x]

    property flags:
        def __get__(self): return self.c.flags
        def __set__(self, flags_t x): self.c.flags = x

    property is_oov:
        def __get__(self): return Lexeme.check_flag(self.c, IS_OOV)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_OOV, x)

    property is_alpha:
        def __get__(self): return Lexeme.check_flag(self.c, IS_ALPHA)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_ALPHA, x)
    
    property is_ascii:
        def __get__(self): return Lexeme.check_flag(self.c, IS_ASCII)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_ASCII, x)

    property is_digit:
        def __get__(self): return Lexeme.check_flag(self.c, IS_DIGIT)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_DIGIT, x)

    property is_lower:
        def __get__(self): return Lexeme.check_flag(self.c, IS_LOWER)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_LOWER, x)

    property is_title:
        def __get__(self): return Lexeme.check_flag(self.c, IS_TITLE)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_TITLE, x)

    property is_punct:
        def __get__(self): return Lexeme.check_flag(self.c, IS_PUNCT)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_PUNCT, x)

    property is_space: 
        def __get__(self): return Lexeme.check_flag(self.c, IS_SPACE)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, IS_SPACE, x)

    property like_url:
        def __get__(self): return Lexeme.check_flag(self.c, LIKE_URL)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, LIKE_URL, x)
    
    property like_num:
        def __get__(self): return Lexeme.check_flag(self.c, LIKE_NUM)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, LIKE_NUM, x)

    property like_email:
        def __get__(self): return Lexeme.check_flag(self.c, LIKE_EMAIL)
        def __set__(self, attr_id_t x): Lexeme.set_flag(self.c, LIKE_EMAIL, x)