<?php
/**
 * TNT OFFICIAL MODULE FOR PRESTASHOP
 *
 * @author    GFI Informatique <www.gfi.world>
 * @copyright 2016-2019 GFI Informatique, 2016-2019 TNT
 * @license   https://opensource.org/licenses/MIT MIT License
 */

require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_ClassLoader.php';

/**
 * Class TNTOfficielLabel
 */
class TNTOfficielLabel extends ObjectModel
{
    // id_tntofficiel_label
    public $id;

    public $id_order;
    public $label_name;
    /** @var type base64 (16 Mb Max) */
    public $label_pdf_content;
    /** @var type label_date_created */
    public $label_type;
    public $date_add;

    public static $definition = array(
        'table' => 'tntofficiel_label',
        'primary' => 'id_tntofficiel_label',
        'fields' => array(
            'id_order' => array(
                'type' => ObjectModel::TYPE_INT,
                'validate' => 'isUnsignedId',
                'required' => true
            ),
            'label_name' => array(
                'type' => ObjectModel::TYPE_STRING,
                'size' => 255
            ),
            'label_pdf_content' => array(
                'type' => ObjectModel::TYPE_NOTHING,
            ),
            'label_type' => array(
                'type' => ObjectModel::TYPE_STRING,
                'size' => 32
            ),
            'date_add' => array(
                'type' => ObjectModel::TYPE_DATE
            ),
        ),
    );

    // cache and prevent race condition.
    private static $arrLoadedEntities = array();


    /**
     * Creates the tables needed by the model.
     *
     * @return bool
     */
    public static function createTables()
    {
        TNTOfficiel_Logstack::log();

        $strLogMessage = sprintf('%s::%s', __CLASS__, __FUNCTION__);

        $strTablePrefix = _DB_PREFIX_;
        $strTableEngine = _MYSQL_ENGINE_;

        $strTableName = $strTablePrefix.TNTOfficielLabel::$definition['table'];

        // Create table.
        $strSQLCreateLabel = <<<SQL
CREATE TABLE IF NOT EXISTS `${strTableName}` (
    `id_tntofficiel_label`          INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
    `id_order`                      INT(10) UNSIGNED NOT NULL,
    `label_name`                    VARCHAR(255) NOT NULL,
    `label_pdf_content`             MEDIUMBLOB,
    `label_type`                    VARCHAR(32) NOT NULL,
-- State.
    `date_add`                      DATETIME NOT NULL DEFAULT '0000-00-00',
-- Key.
    PRIMARY KEY (`id_tntofficiel_label`),
    UNIQUE INDEX `id_order` (`id_order`)
) ENGINE = ${strTableEngine} DEFAULT CHARSET='utf8' COLLATE='utf8_general_ci';
SQL;

        $objDB = Db::getInstance();

        if (!$objDB->execute($strSQLCreateLabel)) {
            TNTOfficiel_Logger::logInstall($strLogMessage.' : '.$objDB->getMsgError(), false);

            return false;
        }

        TNTOfficiel_Logger::logInstall($strLogMessage);

        return true;
    }


    /**
     * Constructor.
     */
    public function __construct($intArgId = null)
    {
        TNTOfficiel_Logstack::log();

        parent::__construct($intArgId);
    }


    /**
     * Load existing object model or optionally create a new one for it's ID.
     *
     * @param $intArgOrderID
     * @param bool $boolArgCreate
     *
     * @return TNTOfficielLabel|null
     */
    public static function loadOrderID($intArgOrderID, $boolArgCreate = true)
    {
        TNTOfficiel_Logstack::log();

        $intOrderID = (int)$intArgOrderID;

        // No new order ID.
        if (!($intOrderID > 0)) {
            return null;
        }

        $strEntityID = '_'.$intOrderID.'-'.(int)null.'-'.(int)null;
        // If already loaded.
        if (array_key_exists($strEntityID, TNTOfficielLabel::$arrLoadedEntities)) {
            $objTNTLabelModel = TNTOfficielLabel::$arrLoadedEntities[$strEntityID];
            // Check.
            if ((int)$objTNTLabelModel->id_order === $intOrderID && Validate::isLoadedObject($objTNTLabelModel)) {
                return $objTNTLabelModel;
            }
        }

        // Search row for order ID.
        $objDbQuery = new DbQuery();
        $objDbQuery->select('*');
        $objDbQuery->from(TNTOfficielLabel::$definition['table']);
        $objDbQuery->where('id_order = '.$intOrderID);

        $objDB = Db::getInstance();
        $arrResult = $objDB->executeS($objDbQuery);
        // If row found and match order ID.
        if (count($arrResult) === 1 && $intOrderID === (int)$arrResult[0]['id_order']) {
            // Load existing TNT order entry.
            $objTNTLabelModel = new TNTOfficielLabel((int)$arrResult[0]['id_tntofficiel_label']);
        } elseif ($boolArgCreate === true) {
            // Create a new TNT order entry.
            $objTNTLabelModelCreate = new TNTOfficielLabel(null);
            $objTNTLabelModelCreate->id_order = $intOrderID;
            $objTNTLabelModelCreate->save();
            // Reload to get default DB values after creation.
            $objTNTLabelModel = TNTOfficielLabel::loadOrderID($intOrderID, false);
        } else {
            $objException = new Exception('TNTOfficielLabel not found for Order ID #'.$intOrderID);
            TNTOfficiel_Logger::logException($objException);

            return null;
        }

        // Check.
        if ((int)$objTNTLabelModel->id_order !== $intOrderID || !Validate::isLoadedObject($objTNTLabelModel)) {
            return null;
        }
        $objTNTLabelModel->id = (int)$objTNTLabelModel->id;
        $objTNTLabelModel->id_order = (int)$objTNTLabelModel->id_order;

        TNTOfficielLabel::$arrLoadedEntities[$strEntityID] = $objTNTLabelModel;

        return $objTNTLabelModel;
    }

    /**
     * @return mixed
     */
    public function getLabelPDFContent()
    {
        TNTOfficiel_Logstack::log();

        return TNTOfficiel_Tools::decodeBase64($this->label_pdf_content);
    }

    /**
     * Save BT in BDD.
     *
     * @param $strArgName
     * @param $strArgPDFContent
     * @param $strArgPickupLabelType
     *
     * @return mixed
     */
    public function addLabel($strArgName, $strArgPDFContent, $strArgPickupLabelType)
    {
        TNTOfficiel_Logstack::log();

        $objDateTimeNow = new DateTime('now');

        $this->label_name = $strArgName;
        $this->label_pdf_content = TNTOfficiel_Tools::encodeBase64($strArgPDFContent);
        $this->label_type = $strArgPickupLabelType;
        $this->date_add = $objDateTimeNow->format('Y-m-d H:i:s');

        return $this->save();
    }
}