const DBManagement = require(`./management.JS`);
const Hash = require(`../../utilities/hash.JS`);
const CustomErrors = require(`../../utilities/errors.JS`);

const User = require(`../entry/user.JS`);
const Log = require(`../entry/log.JS`);


class UsersManagement extends DBManagement {
	constructor() {
		super(`localhost:27017`, `Activity-Tracker`);
		this.configure(`Users`, User.generateTemplate());
	};
	
	/* 
		Create a user. The ID will be automatically generated. 

		@param {string} USERNAME the user name
		@param {object} OPTIONS the account options
		@return {object} the user data
	*/
	async create(USERNAME, OPTIONS) {
		await this.state;

		/* 
		Check if a user has been created. 

		@return {object} the found user
		*/
		const checkMatch = async () => {
			let RESULTS = await this.search({"name": USERNAME}, 1);
			return ((RESULTS.length) ? RESULTS[0] : false)
		}

		const createUser = async () => {
			let ID = await (new Hash(USERNAME)).convert(`String`);
			let CREATED = new User({'name': USERNAME.trim(), 'ID': ID});
	
			let ENTRY = new this.model(CREATED);
			try {
				await ENTRY.save();	
			} catch(ERROR) {
				throw new CustomErrors.DBProblem(ERROR.message);
			}

			return (CREATED);
		}

		if ((USERNAME) ? USERNAME.trim() : false) {
			let CURRENT = (await checkMatch())
			CURRENT = (!CURRENT) ? await createUser() : CURRENT;
			
			return (CURRENT);
		};
	};
}

module.exports = UsersManagement;