# coding=utf-8

from django.db import models
from django.conf import settings
from apps.account.models import User
from apps.tenant.models import Tenant
from utils.exceptions import CustomError
from django.db import transaction

class Employee(models.Model):
    ENABLE = 1
    WORKING = 2
    DAY_OFF = 3
    DISABLE = 4
    STATUS_CHOICES = (
        (ENABLE, u'在用'),
        (WORKING, u'工作中'),
        (DAY_OFF, u'调休'),
        (DISABLE, u'禁用'),
    )

    SUPER = 1
    ADMIN = 2
    EMPLOYEE = 3
    REPAIR = 4
    TYPE_CHOICES = (
        (SUPER, u'平台管理员'),
        (ADMIN, u'管理者'),
        (EMPLOYEE, u'检修人'),
        (REPAIR, u'报修人'),
    )
    name = models.CharField(max_length=100, verbose_name=u"姓名")
    tel = models.CharField(max_length=50, verbose_name=u'电话')
    gender = models.PositiveSmallIntegerField(choices=settings.GENDER_CHOICES, verbose_name=u'性别', default=settings.MALE)
    status = models.PositiveSmallIntegerField(choices=STATUS_CHOICES, verbose_name=u'状态',default=ENABLE)
    user = models.OneToOneField(settings.AUTH_USER_MODEL, editable=False, related_name='employee',
                                on_delete=models.PROTECT, verbose_name=u'添加人', null=True)
    position = models.CharField(max_length=20, verbose_name=u'职位', null=True)
    create_user = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=u"创建人", on_delete=models.PROTECT,
                                    editable=False, related_name='create_user',null=True)
    face = models.CharField(max_length=200, verbose_name=u'头像', null=True)
    baoxiu_count = models.IntegerField(verbose_name='报修次数', default=0)
    tenant = models.ForeignKey(Tenant, verbose_name=u'企业', editable=False, on_delete=models.PROTECT,null=True)
    type = models.PositiveSmallIntegerField(verbose_name=u'人员类型', choices=TYPE_CHOICES, default=REPAIR)

    class Meta:
        db_table = "employee"
        verbose_name = u"用户管理"
        ordering = ['-id']
        index_together = (
            'name',
            'tel',
        )
        default_permissions = ()

    @staticmethod
    def create_super_admin(tenant,name, username, password):
        # 企业添加管理超级管理员
        user = User.objects.create_superuser_tenant(username, password)
        Employee.objects.create(
            name=name,
            tel=username,
            gender=settings.MALE,
            user=user,
            tenant=tenant,
            type=Employee.SUPER,
        )
        return user

    @staticmethod
    def get_instance_by_id(id, tenant):
        try:
            id = int(id)
        except:
            raise CustomError('无效的employee_id')
        instance = Employee.objects.filter(pk=id, tenant=tenant).first()
        if not instance:
            raise CustomError('未找到对应的员工实例')
        return instance

    @staticmethod
    def getOrRegister(user):
        # 小程序登录后，自动注册报修人
        customer = Employee.objects.filter(user=user).first()
        if customer:
            return customer
        with transaction.atomic():
            customer = Employee.objects.create(user=user,type=Employee.REPAIR, tel=user.username, name=user.username)
        return customer

    @staticmethod
    def checkSuper(tenant, id=None):
        #  检查超级管理员数量
        rows = Employee.objects.filter(type=Employee.SUPER, tenant=tenant)
        if id:
            rows = rows.exclude(id=id)
        return rows.count()

    @staticmethod
    def checkEmployee(tenant, id=None):
        #  检查超级管理员数量
        rows = Employee.objects.filter(type=Employee.EMPLOYEE, tenant=tenant)
        if id:
            rows = rows.exclude(id=id)
        return rows.count()