<?php
class Membre {
	const DEFAULT_BANNER = "pictures/bande.png";
	protected $id;
	protected $password;
	protected $pseudo;
	protected $adminLevel;
	protected $dateCreation;
	protected $requiredBanner;
	protected $personnalMessage;
	protected $connected;
	public function __construct($id = NULL, $pass = NULL) {
		$this->id = $id ?? $_SESSION ['session_id'];
		$this->password = $pass ?? $_SESSION ['session_mdp'];
		$connected = FALSE;
	}
	public function connect() {
		$req = $GLOBALS ['bdd']->prepare ( 'SELECT * FROM users WHERE ID=?' );
		$req->execute ( array (
				$this->id 
		) );
		if ($rep = $req->fetch ()) {
			$connected = password_verify ( $this->pass, $rep ['mdp'] );
			$this->adminLevel = $connected ? $result ['administration'] : - 1;
			$this->pseudo = $connected ? $result ['pseudo'] : NULL;
			if ($connected)
				decodeData ( $rep ['data'] );
			return $this->connected = $connected;
		} else {
			$req->closeCursor ();
			return $this->connected = FALSE;
		}
	}
	public function hasPersonnalMessage() {
		return isset ( $this->personnalMessage );
	}
	public function showPersonnalMessage() {
		$msg = $this->personnalMessage;
		$this->personnalMessage = NULL;
		return $msg;
	}
	private function decodeData($data) {
		$jsonData = json_decode ( $data );
		// Set the data's required_banner if it is defined , otherwise sets the DEFAULT_BANNER
		$this->requiredBanner = $jsonData ['requiredBanner'] ?? self::DEFAULT_BANNER;
		$this->personnalMessage = $jsonData ['personnalMessage'] ?? NULL;
	}
	private function encodeData() {
		$jsonArray = array ();
		// Set requiredBanner only if it is different from DEFAULT_BANNER
		$jsonArray ['requiredBanner'] = $this->requiredBanner !== self::DEFAULT_BANNER ? $this->requiredBanner : NULL;
		$jsonArray ['personnalMessage'] = $this->personnalMessage ?? NULL;
		return json_encode ( $jsonArray );
	}
	public function getID(){
		return $this->id;
	}
	public function getAdminLevel() {
		return $this->adminLevel;
	}
	public function getBanner() {
		return $this->requiredBanner;
	}
	public function isConnected() {
		return $connected;
	}
	public static function tryToConnect($pseudo = NULL, $mdp = NULL) {
		$pseudo = $pseudo ?? $_POST ['pseudo'];
		$mdp = $mdp ?? $_POST ['mdp'];
		$req = $GLOBALS ['bdd']->prepare ( 'SELECT * FROM users WHERE pseudo=?' );
		$req->execute ( array (
				$pseudo 
		) );
		$reponce = $req->fetch ();
		if ($reponce != NULL) {
			if (password_verify ( $mdp, $reponce ['mdp'] )) {
				$req->closeCursor ();
				return $reponce ['ID'];
			} else {
				$req->closeCursor ();
				return 'errormdp';
			}
		} else {
			$req->closeCursor ();
			return 'errorpseudo';
		}
	}
	public static function registerPerson($pseudo, $mdp) {
		$req = $GLOBALS ['bdd']->prepare ( "SELECT * FROM users WHERE pseudo=?" );
		$req->execute ( array (
				$_POST ['pseudo'] 
		) );
		if ($req->fetch ())
			return 'usedPseudo';
		$req = $GLOBALS ['bdd']->prepare ( 'INSERT INTO users(pseudo,mdp,date_creation) VALUES (?,?,NOW())' );
		$req->execute ( array (
				$_POST ['pseudo'],
				password_hash ( $_POST ['mdp'], PASSWORD_DEFAULT ) 
		) );
		return 'ok';
	}
}