import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
import { HydratedDocument, Schema as MongooseSchema } from 'mongoose';
import { NotificationType } from '../../common/constants/enums';

export type NotificationDocument = HydratedDocument<Notification>;

@Schema({ timestamps: false, collection: 'notifications' })
export class Notification {
  @Prop({ required: true, index: true })
  userId: string;

  @Prop({ type: String, enum: NotificationType, required: true })
  type: NotificationType;

  @Prop({ required: true })
  title: string;

  @Prop({ required: true })
  body: string;

  @Prop({ type: MongooseSchema.Types.Mixed })
  data?: Record<string, unknown>;

  @Prop({ default: false, index: true })
  read: boolean;

  @Prop({ default: Date.now, index: true })
  sentAt: Date;
}

export const NotificationSchema = SchemaFactory.createForClass(Notification);
NotificationSchema.index({ userId: 1, read: 1 });