from rest_framework import serializers
from .models import Notification, NotificationTemplate, NotificationPreference, FCMDevice


class NotificationTemplateSerializer(serializers.ModelSerializer):
    class Meta:
        model = NotificationTemplate
        fields = [
            'id', 'name', 'title_template', 'message_template',
            'notification_type', 'icon', 'created_at', 'updated_at'
        ]
        read_only_fields = ['id', 'created_at', 'updated_at']


class NotificationSerializer(serializers.ModelSerializer):
    class Meta:
        model = Notification
        fields = [
            'id', 'user', 'title', 'message', 'notification_type',
            'priority', 'icon', 'link', 'is_read', 'read_at',
            'metadata', 'related_user', 'created_at', 'updated_at'
        ]
        read_only_fields = [
            'id', 'user', 'is_read', 'read_at', 'created_at', 'updated_at'
        ]


class NotificationCreateSerializer(serializers.ModelSerializer):
    class Meta:
        model = Notification
        fields = [
            'id', 'title', 'message', 'notification_type',
            'priority', 'icon', 'link', 'metadata'
        ]

    def create(self, validated_data):
        validated_data['user'] = self.context['request'].user
        return super().create(validated_data)


class FCMDeviceSerializer(serializers.ModelSerializer):
    class Meta:
        model = FCMDevice
        fields = ['id', 'token', 'platform', 'is_active', 'created_at', 'last_seen']
        read_only_fields = ['id', 'is_active', 'created_at', 'last_seen']


class NotificationPreferenceSerializer(serializers.ModelSerializer):
    class Meta:
        model = NotificationPreference
        fields = [
            'id', 'email_enabled', 'push_enabled', 'types_enabled',
            'quiet_hours_start', 'quiet_hours_end', 'created_at', 'updated_at'
        ]
        read_only_fields = ['id', 'created_at', 'updated_at']