import path from 'node:path';
import { readFileSync, writeFileSync } from 'node:fs';
import moment from 'moment';
export class Database {
	public _dataType: string;
	public _path: string;
	public _interval?: NodeJS.Timer;
	public _saveNotifs: boolean;
	public _content: any;
	constructor(dir: string, dataType: string){
		this._dataType = dataType;
		this._path = path.resolve(dir);
		this._interval = undefined;
		this._saveNotifs = true;
		this._content = dataType === 'array' ? [] : {};
	}
	addData(data: any, data1?: any){
		if (Array.isArray(this._content)) this._content.push(data);
		else if (typeof this._content === 'object') this._content[data] = data1;
		return this;
	}
	removeData(key: any, type: number, element: any){
		if (this._dataType === 'array'){
			({
        0: ()=>this._content = this._content.filter((x:any)=>x!=key),
        1: ()=>this._content = this._content.filter((x:any)=>x[element]!=key)
      })[type]()
		} else if (this._dataType === 'object') delete this._content[key];
		return this;
	}
	initLoad(){
		this._content = JSON.parse(readFileSync(this._path, {encoding: 'utf8'}));
		console.log(this._path + ' Database loaded');
		return this;
	}
	forceSave(db=this, force=false){
		const oldJson = readFileSync(db._path, {encoding: 'utf8'});
		const newJson = JSON.stringify(db._content);
		if (oldJson !== newJson || force){
			writeFileSync(this._path, JSON.stringify(this._content, null, 2));
			if (this._saveNotifs) console.log(`[${moment().format('DD/MM/YY HH:mm:ss')}] ` + this._path + ' DB saved');
		}
		return db;
	}
	intervalSave(milliseconds?: number){
		this._interval = setInterval(()=>this.forceSave(this), milliseconds || 60000);
		return this;
	}
	stopInterval(){
		if (this._interval) clearInterval(this._interval);
		return this;
	}
	disableSaveNotifs(){
		this._saveNotifs = false;
		console.log(this._path + ' "DB saved" Notifications disabled');
		return this;
	}
}