#!/usr/bin/env python

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

import bcrypt

from settings import template_lookup, PATH_CP


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, _get_hash(password)


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


def get_cp(cp):
    con = sqlite3.connect(PATH_CP)
    cursor = con.cursor()
    sql = """
        SELECT colonia, municipio, estado
        FROM colonias, municipios, estados
        WHERE colonias.id_municipio=municipios.id
            AND municipios.id_estado=estados.id
            AND cp=?
        ORDER BY colonia"""
    cursor.execute(sql, (cp,))
    data = cursor.fetchall()
    cursor.close()
    con.close()
    return data