import mongoose, { type InferSchemaType } from 'mongoose';

const notificationTemplateSchema = new mongoose.Schema(
  {
    name: { type: String },
    keywords: { type: [String], default: [] },
    category: { type: String },
    type: { type: String, enum: ['income', 'expense'] },
    amountPattern: { type: String }
  },
  { _id: false }
);

const notificationChannelSchema = new mongoose.Schema(
  {
    packageName: { type: String, required: true, unique: true },
    displayName: { type: String, required: true },
    enabled: { type: Boolean, default: true },
    templates: { type: [notificationTemplateSchema], default: [] }
  },
  { timestamps: true }
);

export type NotificationChannelDocument = InferSchemaType<typeof notificationChannelSchema>;

export const NotificationChannelModel =
  mongoose.models.NotificationChannel ?? mongoose.model('NotificationChannel', notificationChannelSchema);