import { type MonitorStatsDocument, MonitorStatsModel } from "@/db/models/index.js";
import type { MonitorStats } from "@/types/index.js";
import { IMonitorStatsRepository } from "@/repositories/index.js";
import mongoose from "mongoose";
import { AppError } from "@/utils/AppError.js";
class MongoMonitorStatsRepository implements IMonitorStatsRepository {
	private toEntity = (doc: MonitorStatsDocument): MonitorStats => {
		const toStringId = (value: unknown): string => {
			if (value instanceof mongoose.Types.ObjectId) {
				return value.toString();
			}
			return value?.toString() ?? "";
		};

		const toDateString = (value: Date | string): string => {
			return value instanceof Date ? value.toISOString() : value;
		};

		return {
			id: toStringId(doc._id),
			monitorId: toStringId(doc.monitorId),
			avgResponseTime: doc.avgResponseTime,
			totalChecks: doc.totalChecks,
			totalUpChecks: doc.totalUpChecks,
			totalDownChecks: doc.totalDownChecks,
			uptimePercentage: doc.uptimePercentage,
			lastCheckTimestamp: doc.lastCheckTimestamp,
			lastResponseTime: doc.lastResponseTime,
			timeOfLastFailure: doc.timeOfLastFailure,
			createdAt: toDateString(doc.createdAt),
			updatedAt: toDateString(doc.updatedAt),
		};
	};

	findByMonitorId = async (monitorId: string): Promise<MonitorStats> => {
		const monitorStats = await MonitorStatsModel.findOne({ monitorId: new mongoose.Types.ObjectId(monitorId) });
		if (!monitorStats) {
			throw new AppError({ message: "Monitor stats not found", status: 404 });
		}
		return this.toEntity(monitorStats);
	};
}

export default MongoMonitorStatsRepository;