<?php
    class Account {
        private $current_user;
        private $conn;

        public function __construct($current_user, $conn) {
            $this->current_user = $current_user;
            $this->conn = $conn;
        }

        public function isLoggedIn() {
            return isset($_SESSION["user"]) && $_SESSION["user"] == $this->current_user;
        }

        public function accountExists() {
            $stmt = $this->conn->prepare("SELECT username FROM accounts WHERE username = :username");
            $stmt->bindParam(":username", $this->current_user);
            $stmt->execute();

            return $stmt->rowCount() > 0;
        }

        public function getDetails($info) {
            if (!$this->accountExists() || !$this->isLoggedIn())
                return NULL;
    
            $stmt = $this->conn->prepare("SELECT * FROM accounts WHERE username = :username");
            $stmt->bindParam(":username", $this->current_user);
            $stmt->execute();

            $current_user = $stmt->fetch(PDO::FETCH_ASSOC);
            return $current_user[$info] ?? NULL;
        }
    }
?>