#!/usr/bin/env python

import datetime
import getpass
import json
import mimetypes
import os
import re
import sqlite3
import unicodedata
import uuid

#~ import bcrypt

from settings import log, template_lookup, COMPANIES, DB_SAT


#~ def _get_hash(password):
    #~ return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()


#~ def validate_password(hashed, password):
    #~ return bcrypt.hashpw(password.encode(), hashed.encode()) == hashed.encode()


def get_pass():
    password = getpass.getpass('Introduce la contraseña: ')
    pass2 = getpass.getpass('Confirma la contraseña: ')

    if password != pass2:
        msg = 'Las contraseñas son diferentes'
        return False, msg
    password = password.strip()
    if not password:
        msg = 'La contraseña es necesaria'
        return False, msg

    return True, password


def get_value(arg):
    value = input('Introduce el {}: '.format(arg)).strip()
    if not value:
        msg = 'El {} es requerido'.format(arg)
        log.error(msg)
        return ''
    return value


def _get_args(rfc):
    con = sqlite3.connect(COMPANIES)
    cursor = con.cursor()
    sql = "SELECT con FROM names WHERE rfc=?"
    cursor.execute(sql, (rfc,))
    values = cursor.fetchone()
    if values is None:
        msg = 'No se encontró el RFC'
        log.error(msg)
        return ''

    cursor.close()
    con.close()
    return values[0]


def get_con(rfc=''):
    if not rfc:
        rfc = get_value('RFC').upper()
        if not rfc:
            return False

    args = _get_args(rfc.upper())
    if not args:
        return False
    return loads(args)


def get_rfcs():
    con = sqlite3.connect(COMPANIES)
    cursor = con.cursor()
    sql = "SELECT * FROM names"
    cursor.execute(sql)
    values = cursor.fetchall()
    cursor.close()
    con.close()
    return values


def get_sat_key(table, key):
    con = sqlite3.connect(DB_SAT)
    cursor = con.cursor()
    sql = 'SELECT key, description FROM {} WHERE key=?'.format(table)
    cursor.execute(sql, (key,))
    data = cursor.fetchone()
    cursor.close()
    con.close()
    if data is None:
        return {'ok': False, 'text': 'No se encontró la clave'}
    return {'ok': True, 'text': data[1]}


def now():
    return datetime.datetime.now()


def get_token():
    return _get_hash(uuid.uuid4().hex)


def get_mimetype(path):
    mt = mimetypes.guess_type(path)[0]
    return mt or 'application/octet-stream'


def is_file(path):
    return os.path.isfile(path)


def get_stream(path):
    return get_file(path), get_size(path)


def get_file(path):
    return open(path, 'rb')


def get_size(path):
    return os.path.getsize(path)


def get_template(name, data={}):
    #~ print ('NAME', name, data)
    template = template_lookup.get_template(name)
    return template.render(**data)


def dumps(data):
    return json.dumps(data, default=str)


def loads(data):
    return json.loads(data)


def clean(values):
    for k, v in values.items():
        if isinstance(v, str):
            values[k] = v.strip()
    return values


def parse_con(values):
    data = values.split('|')
    try:
        con = {'type': data[0]}
        if con['type'] == 'sqlite':
            con['name'] = data[1]
        else:
            if data[1]:
                con['host'] = data[1]
            if data[2]:
                con['port'] = data[2]
            con['name'] = data[3]
            con['user'] = data[4]
            con['password'] = data[5]
        return con
    except IndexError:
        return {}


def spaces(value):
    return ' '.join(value.split())


def to_slug(string):
    value = (unicodedata.normalize('NFKD', string)
        .encode('ascii', 'ignore')
        .decode('ascii').lower())
    return value