from django.db import models
from apps.system.models import CommonAModel, Dict, User, CommonBModel
from apps.certset.models import ImplementRule
from simple_history.models import HistoricalRecords
from rest_framework.exceptions import ParseError
from apps.crm.models import Enterprise
from django.contrib.postgres.fields import JSONField
# Create your models here.

class Project(CommonBModel):
    pass

class Application(CommonBModel):
    """
    认证申请
    """
    status_choices = (
        ('草稿', '草稿'),
        ('已申请', '已申请'),
        ('已受理', '已受理'),
        ('进行中', '进行中'),
        ('已中止', '已中止'),
        ('已完成', '已完成')
    )
    number = models.CharField('项目申请编号', max_length = 50)
    cert_field = models.ForeignKey(Dict, verbose_name='认证领域', related_name='application_cert_field')
    major = models.ForeignKey(Dict, verbose_name='涉及CCC/pv/cnas分类', related_name='application_major')
    applicant = JSONField(verbose_name='申请方')
    apply_date = models.DateField('申请日期', null=True, blank=True)
    accept_date = models.DateField('受理日期', null=True, blank=True)
    manufacturer = JSONField(verbose_name='制造商', blank=True)
    factory = JSONField(verbose_name='生产厂', blank=True)
    project = models.ForeignKey('归属项目', null=True, blank=True)

    class Meta:
        verbose_name = '认证申请'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.number

class Unit(CommonBModel):
    """
    认证单元
    """
    pass