from rest_framework import serializers

from .models import ChannelConfig, NotificationDispatch, NotificationTemplate


class NotificationTemplateSerializer(serializers.ModelSerializer):
    class Meta:
        model = NotificationTemplate
        fields = [
            "id",
            "slug",
            "name",
            "channel",
            "subject_template",
            "body_template",
            "is_html",
            "namespace",
            "metadata",
        ]
        read_only_fields = ["id"]


class NotificationDispatchSerializer(serializers.ModelSerializer):
    template_info = NotificationTemplateSerializer(source="template", read_only=True)

    class Meta:
        model = NotificationDispatch
        fields = [
            "id",
            "template",
            "template_info",
            "recipient",
            "channel",
            "subject",
            "body",
            "status",
            "error_message",
            "attempt",
            "next_retry_at",
            "context_snapshot",
            "created_at",
            "completed_at",
            "request_id",
        ]
        read_only_fields = fields


class ChannelConfigSerializer(serializers.ModelSerializer):
    class Meta:
        model = ChannelConfig
        fields = [
            "slug",
            "channel_type",
            "display_name",
            "config",
            "is_active",
            "priority",
        ]