import { Document, Model, Schema, model, models } from "mongoose";
import {
    FindClientPreferencesParams,
    IClientNotificationPreferences,
    IClientNotificationPreferencesAdapter,
} from "./ClientNotificationPreferences.Interface";

export interface IClientNotificationPreferencesDocument
    extends Omit<IClientNotificationPreferences, "id">,
        Document {}

export class ClientNotificationPreferencesAdapterMongoose
    implements IClientNotificationPreferencesAdapter
{
    schema: Schema;
    preferencesList: Model<IClientNotificationPreferencesDocument>;

    constructor() {
        this.schema = new Schema(
            {
                userId: {
                    type: Schema.Types.ObjectId,
                    required: true,
                    unique: true,
                    ref: "User",
                },
                preferredChannels: {
                    type: [String],
                    required: true,
                    default: ["whatsapp", "email", "system"],
                    enum: ["whatsapp", "email", "system"],
                },
                mutedChannels: {
                    type: [String],
                    required: true,
                    default: [],
                    enum: ["whatsapp", "email", "system"],
                },
            },
            {
                timestamps: true,
            }
        );

        this.preferencesList = models.ClientNotificationPreferences ||
            model<IClientNotificationPreferencesDocument>(
                "ClientNotificationPreferences",
                this.schema
            );
    }

    public async findOne(
        filters: FindClientPreferencesParams
    ): Promise<IClientNotificationPreferences | null> {
        const doc = await this.preferencesList.findOne(filters).exec();
        return doc ? (doc.toObject() as IClientNotificationPreferences) : null;
    }

    public async upsert(
        userId: string,
        data: Partial<
            Omit<IClientNotificationPreferences, "id" | "userId" | "createdAt" | "updatedAt">
        >
    ): Promise<IClientNotificationPreferences> {
        const doc = await this.preferencesList
            .findOneAndUpdate({ userId }, { $set: data }, { upsert: true, new: true })
            .exec();
        return doc.toObject() as IClientNotificationPreferences;
    }
}