class roulette {
    private $each_rad;
    private $total_rad = 360;
    private $len;
    private $diced = array();
    private $raw;
    private $conn;
    private $isrdy = false;
    private $char;

    function __construct($items,$conn,$char) {
        if(!isset($items)) return 0;
        if(!isset($conn)) return 0;
        if(!isset($char)) return 0;
        if(!$this->check($char)) return 0;


        $this->len = sizeof($items) ? sizeof($items) + 1 : 1;
        $this->each_rad = $this->total_rad / $this->len;
        $this->raw = $items;
        $this->conn = $conn;
        $this->char = $char;
        $this->isrdy = true;

    }

    function dice() {
        if(!$this->isrdy) return 0;
        $ii = 0;
        for($i = 0; $i < 360; $i+= $this->each_rad) {
            $real = floor(($this->raw[$ii]->prob * $this->raw[$ii]->prob) - (($this->raw[$ii]->prob * $this->raw[$ii]->prob) / 2));
            if(!$real) $real = 1;

            $this->raw[$ii]->degfrom = $i + 2;
            $this->raw[$ii]->degto = ($i + $this->each_rad) - 2;
            $this->raw[$ii]->deg = mt_rand($this->raw[$ii]->degfrom,$this->raw[$ii]->degto - 1);

            for($ix = 0; $ix < $real; $ix++) {
                array_push($this->diced,$this->raw[$ii]);
            }
            $ii++;
        }
        return 1;
    }

    function pick($json = false) {
        if(!$this->isrdy) return 0;
        if(!isset($this->diced)) return 0;
        if(!$this->dice()) return 0;

        $pos = mt_rand(0,sizeof($this->diced) - 1);

        $this->sendReward($this->diced[$pos]);


        return $json ? json_encode($this->diced[$pos],true) : $this->diced[$pos];
    }
    function check($char) {
        global $conn;
        $chars = fetchchars();


        $yes = false;
        foreach($chars as $c) {
            if($c["name"] == $char) {
                $yes = true;
            }
        }
        if(!$yes) return 0;

        $user = $_SESSION["usid"];
        $res = $conn->prepare("SELECT `rolls_left` FROM `users` WHERE `name` = :name AND `rolls_left` > 0");
        $res->bindParam("name",$user);
        $res->execute();

        if($res->rowCount() == 0) return 0;

        return 1;

    }
    function sendReward($reward) {
        global $conn;
        $user = $_SESSION["usid"];
        $res = $conn->prepare("UPDATE `users` SET `rolls_left` = `rolls_left` - 1, `total_rolls` = `total_rolls` + 1 WHERE `name` = :name");
        $res->bindParam("name",$user);
        $res->execute();

        $won = $reward->name;
        $date = time();
        $res = $conn->prepare("INSERT INTO `roulette` (`username`,`won`,`date`) VALUES (:name,:won,:date)");
        $res->bindParam("name",$user);
        $res->bindParam("won",$won);
        $res->bindParam("date",$date);
        $res->execute();

        if($reward->itemid != -1) {
            $binded = "binded";
            $isone = 1;
            $isnone = 0;

            $q = $conn->prepare("INSERT INTO `t_donate_itens`(`userName`, `itemID`, `color`, `binding`, `smithing`, `level`, `amount`, `attr`, `isSended`) VALUES (:char,:id,:color,:indin,:smithing,:level,:amount,:attr,'0')");
            $q->bindParam("char",$this->char);
            $q->bindParam("id",$reward->itemid);
            $q->bindParam("color",$isnone);
            $q->bindParam("indin",$binded);
            $q->bindParam("smithing",$isnone);
            $q->bindParam("level",$isnone);
            $q->bindParam("amount",$isone);
            $q->bindParam("attr",$isnone);
            $q->execute();
        }
        if($reward->pts != -1) {
            $pts = $reward->pts;
            $q = $conn->prepare("UPDATE `users` SET `gpoints` = `gpoints` + :panda WHERE `name` = :panda1");
            $q->bindParam("panda",$pts);
            $q->bindParam("panda1",$user);
            $q->execute();
        }
    }

}