<?php

class Device {

    private $imei;
    private $sv;
    private $dateAdded;
    private $tac;
    private $brand;
    private $model;
    private $os;

    private $dbCon;

    function __construct($dbCon){
        $this->dbCon = $dbCon;
    }

    function __autoload($classname) {
        $filename = "./". $classname .".php";
        include_once($filename);
    }

    function setDeviceFromAstellia($astelliaInfo) {
        if (!empty($astelliaInfo)) {
            $this->setImei($astelliaInfo['imei']);
            $this->setTacBy($this->getImei());
            $this->setBrand($astelliaInfo['Manufacturer']);
            $this->setDateAdded($astelliaInfo['date']);
            $this->setModel($astelliaInfo['Mobile Type']);
            $this->setSv($astelliaInfo['sv']);
            if (!$this->exists()) {
                $this->persistNewDevice(0);
            } else if ($this->getBrand() != 'UNKNOWN' && $this->getPersistedBrand() == 'UNKNOWN') {
                $this->updatePersistedDeviceDetails();
            }
            return true;
        } else {
            return false;
        }
    }

    function setDeviceBy($tac) {
        $deviceInfo = $this->dbCon->select("deviceInfo", [
            "tac",
            "brand",
            "model",
            "date_added",
            "os"
        ], [
            "tac" => $tac
        ]);
        $deviceInfo = $deviceInfo[0];
        $this->setBrand($deviceInfo['brand']);
        $this->setTac($tac);
        $this->setModel($deviceInfo['model']);
        $this->setDateAdded($deviceInfo['date_added']);
        $this->setOs($deviceInfo['os']);
    }

    function setDeviceFromImeiSv($imei, $sv) {
        if (!empty($imei)) {
            $this->setImei($imei);
            $this->setTacBy($this->getImei());
            $this->setSv($sv);
            $deviceInfo = $this->getDeviceByTac($this->getTac());
            if (!empty($deviceInfo)) {
                $this->setBrand($deviceInfo['brand']);
                $this->setModel($deviceInfo['model']);
                $this->setDateAdded($deviceInfo['date_added']);
            } else {
                $this->setBrand("UNKNOWN");
                $this->setModel("[" . $this->getTac() . "]");
                $this->setDateAdded(date('Y-m-d H:i:s', time()));
                $this->persistNewDevice(1);
            }
            return true;
        } else {
            return false;
        }
    }

    function equals($device) {
        //error_log($device->getImei() . " == " . $this->getImei());
        if ( $device->getImei() != null && $this->getImei() != null ) {
            if ($device->getImei() == $this->getImei()) {
                return true;
            } else {
                return false;//array("newDevice:" => $this->getImei(), "device:" => $device->getImei());
            }
        } else {
            return false;
        }

    }

    function persistNewDevice($source) {
        $insert = $this->dbCon->insert("deviceInfo", [
            "tac"          => $this->getTac(),
            "brand"        => $this->getBrand(),
            "model"        => $this->getModel(),
            "date_added"   => $this->getDateAdded(),
            "source" => $source
        ]);
        return $insert;
    }

    function exists() {
        $result = $this->dbCon->select("deviceInfo", [
            "tac",
            "brand",
            "model"
        ], [
            "tac" => $this->getTac()
        ]);
        //$result = $result[0];
        //error_log("result: => " . var_dump($result) . "THIS => " . print_r($this->toString()));
        if ($result == null) {
            return false;
        } else {
            return true;
        }
    }

    function getOsList() {
        $deviceInfo = $this->dbCon->select("osVersion", "os",
            ["GROUP" => "os"]);
        //error_log($this->dbCon->log());
        return $deviceInfo;
    }

    function getOsVersionList($os) {
        $deviceInfo = $this->dbCon->select("osVersion", "osVersion", ["os" => $os]);
        return $deviceInfo;
    }

    function getPersistedBrand() {
        $result = $this->dbCon->select("deviceInfo", [
            "brand"
        ], [
            "tac" => $this->getTac()
        ]);
        return $result[0]['brand'];
    }

    function getAllBrands() {
        $brands = $this->dbCon->select("deviceInfo", "brand", [
            "GROUP" => "brand"
        ]);
        return $brands;
    }

    function updatePersistedDeviceDetails() {
        $result = $this->dbCon->update("deviceInfo",[
            "brand"      => $this->getBrand(),
            "model"      =>  $this->getModel(),
            "date_added" => date('Y-m-d H:i:s', time())
        ], [
            "tac" => $this->getTac()
        ]);
        error_log("Device Updated: " . $this->getBrand() . " | " . $this->getModel());
    }

    function getDeviceByTac($tac) {
        $deviceInfo = $this->dbCon->get("deviceInfo", [
            "tac",
            "brand",
            "model",
            "date_added",
            "os"
        ], [
            "tac" => $tac
        ]);
        if (isset($deviceInfo)) {
            return $deviceInfo;
        } else {
            return "";
        }
    }

    function getDeviceByModel($model, $tac) {
        $deviceInfo = $this->dbCon->select("deviceInfo", [
            "tac",
            "brand",
            "model",
            "date_added",
            "os"
        ], [
            "AND" => [
                "model" => $model,
                "tac[!]" => $tac
            ]
        ]);
        if (isset($deviceInfo[0])) {
            return $deviceInfo;
        } else {
            return [];
        }
    }

    function setTac($tac) {
        $this->tac = $tac;
    }

    function setTacBy($imei) {
        $this->setTac(substr($imei, 0, 8));
    }

    function setImei($imei) {
        if (strlen($imei) > 14) {
            $imei = substr($imei, 0, 14);
        } else if (strlen($imei) < 14) {
            $imei = 0 . $imei;
        }
        $this->imei = $imei;
    }

    function setDateAdded($dateAdded) {
        $this->dateAdded = $dateAdded;
    }

    function setBrand($brand) {
        $this->brand = $brand;
    }

    function setModel($model) {
        $this->model = $model;
    }

    function setSv($sv) {
        $this->sv = $sv;
    }

    function getSv() {
        return $this->sv;
    }

    function getTac() {
        return $this->tac;
    }

    function getImei() {
        return $this->imei;
    }

    function getDateAdded() {
        return $this->dateAdded;
    }

    function getBrand() {
        return $this->brand;
    }

    function getModel() {
        return $this->model;
    }

    /**
     * @return mixed
     */
    public function getOs()
    {
        return $this->os;
    }

    /**
     * @param mixed $os
     */
    public function setOs($os)
    {
        $this->os = $os;
    }

    public function toString() {
        $return = get_object_vars($this);
        unset($return['dbCon']);
        //unset($return['device']['dbCon']);
        return $return;
    }

    function printMe($object, $text) {
        echo "</br><b>" . $text . "</b> :: ";
        print_r($object->toString());
    }
}

?>