from rest_framework import serializers


class OnlineClassTokenCreateSerializer(serializers.Serializer):
    redirect_path = serializers.CharField(required=False)

    def validate_redirect_path(self, value: str) -> str:
        value = value.strip()
        if value and value.startswith("http"):
            raise serializers.ValidationError("Redirect path must be relative to the frontend domain.")
        return value


class OnlineClassTokenVerifySerializer(serializers.Serializer):
    token = serializers.CharField(max_length=128)

    def validate_token(self, value: str) -> str:
        value = value.strip()
        if not value:
            raise serializers.ValidationError("Token is required.")
        return value