from django.db import models
from django.contrib.auth.models import AbstractUser
from django.db.models.base import Model
import django.utils.timezone as timezone
from django.db.models.query import QuerySet

from utils.model import SoftModel, BaseModel
from simple_history.models import HistoricalRecords



class Customer(BaseModel):
    """
    客户信息
    """
    name = models.CharField('客户名称', max_length=50, unique=True)
    country = models.CharField('所属国家', max_length=20, blank=True, null=True)
    address = models.CharField('详细地址', max_length=20, blank=True, null=True)
    contact = models.CharField('联系人', max_length=20, blank=True, null=True)
    contactphone = models.CharField('联系电话', max_length=11,unique=True, blank=True, null=True)
    description = models.CharField('描述', max_length=200, blank=True, null=True)

    class Meta:
        verbose_name = '客户信息'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name

class Contact(BaseModel):
    """
    合同信息
    """
    name = models.CharField('合同名称', max_length=100)
    number = models.CharField('合同编号', max_length=100, unique=True, blank=True, null=True)
    money = models.IntegerField('合同金额', default=0, null=True, blank=True)
    customer = models.ForeignKey(Customer, verbose_name='关联客户', on_delete=models.CASCADE, related_name='contact_customer')
  #  contactuser = models.CharField('合同签订人', max_length=100, unique=True, blank=True, null=True)
    date = models.DateField('签订日期', null=True, blank=True)
    description = models.CharField('描述', max_length=200, blank=True, null=True)
    
    class Meta:
        verbose_name = '合同信息'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name

class Order(BaseModel):
    """
    订单信息
    """
    number = models.CharField('订单编号', max_length=100)
    class Meta:
        verbose_name = '订单信息'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name