from rest_framework import serializers
from apps.core.serializers import AsyncModelSerializer
from .models import Notification, AlertRule


class NotificationSerializer(AsyncModelSerializer):
    category_name = serializers.CharField(source="get_category_display", read_only=True)

    class Meta:
        model = Notification
        fields = [
            "id", "title", "content", "category", "category_name",
            "link", "is_read", "read_at", "extra_data", "created_at",
        ]
        read_only_fields = ["id", "created_at"]


class AlertRuleSerializer(AsyncModelSerializer):
    rule_type_name = serializers.CharField(source="get_rule_type_display", read_only=True)

    class Meta:
        model = AlertRule
        fields = [
            "id", "code", "name", "rule_type", "rule_type_name",
            "threshold", "is_enabled", "channels", "created_at", "updated_at",
        ]
        read_only_fields = ["id", "created_at", "updated_at"]