import { Level } from "level";

export interface KeyProfile {
	ip: string;
	keys: string[];
	limit: 1;
	admin: boolean;
	[key: string]: any;
}

export class Data {
	public static db = new Level<string, string>('./keys.db');

	public static async addKey(ip: string, key: string) {
		let prof: KeyProfile | undefined = undefined;
		while (!prof) {
			try {
				prof = JSON.parse(await this.db.get(ip));
			} catch (err) {
				this.insertKeyProfile(ip);
			}
		}

		// while (prof.keys.length >= prof.limit) {
		// 	prof.keys.pop();
		// }

		if (prof.keys.length >= prof.limit) {
			throw `too many keys`;
		}

		prof.keys.push(key);
		await this.saveKeyProfile(prof);

		return (await this.getKeyProfile(ip)).keys;
	}

	public static async getKeyProfile(ip: string): Promise<KeyProfile> {
		return JSON.parse(await this.db.get(ip));
	}

	public static async insertKeyProfile(ip: string, defaultKeys?: string[]) {
		return await this.db.put(ip, JSON.stringify({ ip: ip, keys: defaultKeys || [], limit: 1, admin: false}));
	}

	public static async saveKeyProfile(profile: KeyProfile) {
		return await this.db.put(profile.ip, JSON.stringify(profile));
	}

	public static async setProfileValue(prof: KeyProfile, key: string, value: any) {
		prof[key] = value;
		try {
			await this.saveKeyProfile(prof);
			return true;
		} catch (err) {
			return false;
		}
	}

	public static async deleteKeyProfile(ip: string) {
		await this.db.del(ip);
	}

	public static async resetKeyProfile(ip: string) {
		try {
			await this.deleteKeyProfile(ip);
			await this.insertKeyProfile(ip);
			return true;
		} catch (err) {
			return false
		}
	}
}