# -*- coding: utf-8 -*-


import unicodedata

import ox
import sqlalchemy as sa

import db
import state


def get_sort_name(name, sortname=None, commit=True):
    name = unicodedata.normalize('NFKD', name).strip()
    if name:
        person = Person.get(name)
        if not person:
            person = Person(name=name, sortname=sortname)
            person.save(update=False, commit=commit)
        sortname = unicodedata.normalize('NFKD', person.sortname)
    else:
        sortname = ''
    return sortname

class Person(db.Model):
    __tablename__ = 'person'

    name = sa.Column(sa.String(1024), primary_key=True)
    sortname = sa.Column(sa.String())
    numberofnames = sa.Column(sa.Integer())

    def __repr__(self):
        return self.name

    @classmethod
    def get(cls, name):
        return cls.query.filter_by(name=name).first()

    def save(self, update=True, commit=True):
        from .models import Item, Find
        if not self.sortname:
            self.sortname = ox.get_sort_name(self.name)
            self.sortname = unicodedata.normalize('NFKD', self.sortname)
        self.sortsortname = ox.sort_string(self.sortname)
        self.numberofnames = len(self.name.split(' '))
        state.db.session.add(self)
        if update:
            for i in Item.find({
                'query': {
                    'conditions': [{'key': 'author', 'value': self.name, 'operator': '=='}]
                }
            }):
                i.update_sort()
            Find.query.filter_by(key='author', value=self.name).update({
                'sortvalue': self.sortname.lower()
            })
        if commit:
            state.db.session.commit()

    def json(self, keys=None):
        r = {}
        r['name'] = self.name
        r['sortname'] = self.sortname
        r['numberofnames'] = self.numberofnames
        return r