from rest_framework.generics import CreateAPIView
from rest_framework.response import Response
from rest_framework.exceptions import ParseError
from apps.auth1.serializers import EmailCodeSerializer
from django.core.cache import cache
from apps.utils.tools import rannum
from server.settings import get_sysconfig


class EmailCodeView(CreateAPIView):
    """发送邮箱验证码

    发送邮箱验证码用于注册
    """
    authentication_classes = []
    permission_classes = []
    serializer_class = EmailCodeSerializer

    def create(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        vdata = serializer.validated_data
        email = vdata.get('email')

        cache_key = f'email_code_{email}'

        # 生成6位验证码
        code = rannum(6)
        print(code)

        # 缓存验证码，有效期5分钟
        cache.set(cache_key, code, 60 * 5)

        # 使用 MyThread 发送验证码邮件
        from django.core.mail import send_mail
        from apps.utils.thread import MyThread
        
        def send_email():
            config = get_sysconfig()
            base_name_short = config['base']['base_name_short']
            send_mail(
                subject=f'{base_name_short}-验证码',
                message=f'您的验证码是：{code}，5分钟内有效。如非本人操作，请忽略此邮件。',
                from_email=None,  # 使用默认发件人
                recipient_list=[email],
                fail_silently=False
            )
        
        thread = MyThread(target=send_email)
        thread.start_p()

        return Response({'ok_msg': '验证码已发送'})