import uuid

from django.db import models
from django.contrib.auth.validators import UnicodeUsernameValidator
from django.utils.translation import gettext_lazy as _
from django.conf import settings


def generate_org_slug():
    return uuid.uuid4().hex


class Organization(models.Model):

    slug = models.CharField(
        max_length=64,
        unique=True,
        default=generate_org_slug)
    name = models.CharField(
        max_length=150,
        unique=True,
        validators=(UnicodeUsernameValidator(),),
        help_text='Required. 150 characters or fewer.'
                  'Letters, digits and @/./+/-/_ only.',
        error_messages={
            'unique': _('An organization with that name already exists.'),
        },
    )
    logo = models.URLField(
        default='https://img2.pingcap.com/forms/d/d/ddfb57e828afbc459fece3848da3ef5bd5911683.png')
    introduction = models.CharField(max_length=255, blank=True, null=True)
    company_name = models.CharField(max_length=150, blank=True, null=True)
    industry_type_code = models.CharField(max_length=64, blank=True, null=True)
    industry_type_text = models.CharField(max_length=64, blank=True, null=True)
    member_range_code = models.CharField(max_length=64, blank=True, null=True)
    member_range_text = models.CharField(max_length=64, blank=True, null=True)
    job_title_code = models.CharField(max_length=64, blank=True, null=True)
    job_title_text = models.CharField(max_length=64, blank=True, null=True)
    company_base_code = models.CharField(max_length=64, blank=True, null=True)
    company_base_text = models.CharField(max_length=64, blank=True, null=True)
    incumbency_cert = models.ForeignKey(
        'pingcap_sso.Upload',
        blank=True,
        null=True,
        on_delete=models.DO_NOTHING
    )
    contact_phone = models.CharField(
        max_length=32,
        null=True,
        blank=True,
        help_text='Phone number is required.',
        error_messages={
            'unique': 'A user with that phone number already exists'
        }
    )
    contact_email = models.EmailField(null=True, blank=True)
    topic_daily_urgency_times = models.IntegerField(default=1)
    user_count = models.IntegerField(default=0)
    topic_urgency_count = models.IntegerField(default=0)
    created_by_user = models.ForeignKey(
        settings.AUTH_USER_MODEL, on_delete=models.DO_NOTHING)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = 'pingcap_organization'
        permissions = (
            ('manage_org_system', 'Manage organization'),
        )

    def __str__(self):
        return self.name