import user 				from '../user.js';

import username 			from './signup.username.js';

import password 			from './signup.password.js';

import passwordCheck 		from './signup.passwordCheck.js';

import signUpButton 		from './signup.button.js';

import document 			from '/unify/document.js';

import groups				from '/user/group/user.group.permission.js';

import querySQL 			from '/unify/querySQL.js';

import adminGroup			from '/user/group/user.group.admin.js';

import header 				from '/elements/header.js';

import page 				from '/elements/page.js';

import customLabel			from "./signup.customLabel.js";


#ifdef SERVER

	//import bcrypt		from "bcryptjs";

	import crypto		from "node:crypto";

#endif


export default class signup extends user, page{

	layers				= 1;

	customElement		= document.createElement("form");

	useCustomElement	= true;

	debug				= true;




	gridTemplate		=	`	"header				header 		" 	100px
								"userLabel			username 	"	60px
    							"passwordLabel		password 	"	60px 	 
    							"passwordAgainLabel	passwordAgain " 60px	 
    							"empty				signUpButton "	60px
							`;


    paddingRight				= 30;

    height						= "300px";
	
    header						= new header("Signup");

   	// Children
	userLabel					= new customLabel("Username");
	username					= new username();

	passwordLabel				= new customLabel("Password");
	password 					= new password();

	passwordAgainLabel			= new customLabel("Password again");
	passwordAgain				= new passwordCheck();

	signUpButton				= new signUpButton();

	flexDirection				= "column";

	display						= "grid";

	pbkdf2Async(password, salt, iterations, keylen, digest) {

		return new Promise( (res, rej) => {
			crypto.pbkdf2(password, salt, iterations, keylen, digest, (err, key) => {

				err ? rej(err) : res(key);

			});
		});
	}


	node async registerUser( username, password, passwordAgain ) {

/*
		// Validation
		if( !this.username.isValid()  ) {

			object.status	= "error";

			object.error	= "please fill in a valid username." ;

			return object;

		}
*/

		var table				= this.table;

		var users 				= this.find( "username", username );
		
		var saltRounds 			= 10;

		//var salt 				= bcrypt.genSaltSync( saltRounds );
		//var hash				= bcrypt.hashSync( password, salt );

		var salt 				= crypto.randomBytes(32).toString('base64');

		var iterations 			= 100;


		if( !password ) {

			return false;

		}

		if( password != passwordAgain ) {

			return false;

		}

		var hash 				= await crypto.pbkdf2Sync( password, salt, iterations, 64,'SHA256' );

		console.log("hash", hash.toString('hex'));

		console.log("salt", salt);

		if( users.length > 0 ) {

			table.status			= "user_exists";

			return table;

		}

		table.username.value 	= username;

		table.hash.value 		= await hash.toString('hex');

		table.salt.value 		= salt;

		table.signed.value		= true;

		table.groups.value		= 1;

		table.createInstance();

		table.save();

		table.status			= "created_user";

		return table;

	}	
	
	permission() {

		this.allow( groups.visitor ,  	"PROCESS" );
		this.allow( groups.member , 	"PROCESS" );
		this.allow( groups.admin ,  	"PROCESS" );

	}

}