<?php

namespace api\module;


use \error\core\Error;
use \error\core\Err;
use \database\core\Repo;
use \api\core\AuthSystemDefault;


class user{

	public function __construct(){}

	public function __destruct(){}


	public function POST_login($argv){
		extract($argv);


		/* (1) Logout by default
		---------------------------------------------------------*/
		$_SESSION['TOKEN'] = [];


		/* (2) Search for @id_user from username
		---------------------------------------------------------*/
		/* (1) Fetch by username */
		$fetched_user = Repo::request('user', 'getByUsername', $username);

		/* (2) If not found -> error */
		if( !is_array($fetched_user) || !isset($fetched_user['id_user']) || !is_numeric($fetched_user['id_user']) )
			return ['connected' => false];

		/* (3) Extract @id_user */
		$id_user = intval( $fetched_user['id_user'] );


		/* (3) Check password for user
		---------------------------------------------------------*/
		/* (1) Check password */
		$valid_pass = Repo::request('user', 'checkPassword', $id_user, $password);

		/* (2) If wrong password -> error */
		if( !$valid_pass )
			return ['connected' => false];


		/* (4) Update session to be connected
		---------------------------------------------------------*/
		/* (1) Update session */
		$_SESSION['TOKEN'] = 'u'.$fetched_user['token'];
		$_SESSION['WS'] = true; // to tell websocket we are connected
		new AuthSystemDefault;

		/* (2) Return status */
		return ['connected' => true];
	}


	public function POST_signup($argv){
		extract($argv);


		/* (1) Logout by default
		---------------------------------------------------------*/
		$_SESSION['TOKEN'] = [];


		/* (2) Check if @username is unique
		---------------------------------------------------------*/
		/* (1) Fetch by username */
		$fetched_user = Repo::request('user', 'getByUsername', $username);

		/* (2) If found -> error */
		if( $fetched_user !== false )
			return ['error' => new Error(Err::AlreadyExists)];


		/* (3) Check if @mail is unique
		---------------------------------------------------------*/
		/* (1) Fetch by mail */
		$fetched_user = Repo::request('user', 'getByMail', $mail);

		/* (2) If found -> error */
		if( $fetched_user !== false )
			return ['error' => new Error(Err::AlreadyExists)];


		/* (4) Create user
		---------------------------------------------------------*/
		/* (1) Create repo request */
		$id_created = Repo::request('user', 'create', $username, $mail, $password);

		/* (2) If error -> dispatch */
		if( $id_created === false )
			return [ 'error' => new Error(Err::RepoError) ];

		/* (3) Return status */
		return [ 'registered' => $id_created ];

	}


	public function DELETE_logout(){
		$_SESSION = [];
	}

}