from django.db import models
from apps.user.models import MyUser
from apps.goods.models import Goods


# Create your models here.

class Cart(models.Model):
    """
    购物车模型
    """
    user = models.ForeignKey(verbose_name='用户', to=MyUser, on_delete=models.DO_NOTHING, null=True, blank=True)
    goods = models.ForeignKey(verbose_name='商品', to=Goods, on_delete=models.DO_NOTHING, null=True, blank=True)
    goods_num = models.IntegerField(verbose_name='购物车中的商品数量', default=1)

    def __str__(self):
        return str(self.goods.id)

    class Meta:
        verbose_name = '购物车信息'
        verbose_name_plural = '购物车信息'
        managed = True
        db_table = 'd_cart'


class Order(models.Model):
    ORDER_STATUS = (
        ('paying', '待支付'),
        ('paid', '已支付'),
        ('shipping', '配送中'),
        ('complete', '订单结束'),
        ('cancel', '订单取消'),
    )
    order_id = models.CharField(verbose_name='订单号', max_length=50, null=True, blank=True)
    order_total = models.IntegerField(verbose_name='商品总件数', default=0)
    order_price = models.DecimalField(verbose_name='订单中金额', max_digits=10, decimal_places=2, default=0)
    address = models.CharField(verbose_name='收货地址', max_length=100, default='')
    contact_name = models.CharField(verbose_name='联系人', max_length=20, default='')
    contact_mobile = models.CharField(verbose_name='联系电话', max_length=11, default='')
    pay_method = models.IntegerField(verbose_name='支付方式', default=0)
    memo = models.CharField(verbose_name='订单备注', max_length=200, default='')
    order_status = models.IntegerField(verbose_name='用户', choices=ORDER_STATUS, max_length=20)
    user = models.ForeignKey(verbose_name='用户', to=MyUser, on_delete=models.DO_NOTHING)
    create_time = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)

    class Meta:
        verbose_name = '订单信息'
        verbose_name_plural = '订单信息'
        managed = True
        db_table = 'd_order'


class OrderGoods(models.Model):
    """
    订单商品关联表
    """
    order = models.ForeignKey(verbose_name='订单主表', to=Order, on_delete=models.DO_NOTHING)
    goods = models.ForeignKey(verbose_name='商品表', to=Goods, on_delete=models.DO_NOTHING)
    goods_num = models.IntegerField(verbose_name='商品数量', default=0)
    price = models.DecimalField(verbose_name='下单时商品价格', max_digits=10, decimal_places=2)
    create_time = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)

    class Meta:
        verbose_name = '订单商品信息'
        verbose_name_plural = '订单商品信息'
        managed = True
        db_table = 'd_order_goods'