<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

use PrestaShopBundle\Form\Admin\Type\FormattedTextareaType;

/**
 * Class MessageCore.
 */
class MessageCore extends ObjectModel
{
    public $id;

    /** @var string message content */
    public $message;

    /** @var int Cart ID (if applicable) */
    public $id_cart;

    /** @var int Order ID (if applicable) */
    public $id_order;

    /** @var int Customer ID (if applicable) */
    public $id_customer;

    /** @var int Employee ID (if applicable) */
    public $id_employee;

    /** @var bool Message is not displayed to the customer */
    public $private;

    /** @var string Object creation date */
    public $date_add;

    /**
     * @see ObjectModel::$definition
     */
    public static $definition = [
        'table' => 'message',
        'primary' => 'id_message',
        'fields' => [
            'message' => ['type' => self::TYPE_STRING, 'validate' => 'isCleanHtml', 'required' => true, 'size' => FormattedTextareaType::LIMIT_MEDIUMTEXT_UTF8_MB4],
            'id_cart' => ['type' => self::TYPE_INT, 'validate' => 'isUnsignedId'],
            'id_order' => ['type' => self::TYPE_INT, 'validate' => 'isUnsignedId'],
            'id_customer' => ['type' => self::TYPE_INT, 'validate' => 'isUnsignedId'],
            'id_employee' => ['type' => self::TYPE_INT, 'validate' => 'isUnsignedId'],
            'private' => ['type' => self::TYPE_BOOL, 'validate' => 'isBool'],
            'date_add' => ['type' => self::TYPE_DATE, 'validate' => 'isDate'],
        ],
    ];

    protected $webserviceParameters = [
        'fields' => [
            'id_cart' => [
                'xlink_resource' => 'carts',
            ],
            'id_order' => [
                'xlink_resource' => 'orders',
            ],
            'id_customer' => [
                'xlink_resource' => 'customers',
            ],
            'id_employee' => [
                'xlink_resource' => 'employees',
            ],
        ],
    ];

    /**
     * Return the last message from cart.
     *
     * @param int $idCart Cart ID
     *
     * @return array Message
     */
    public static function getMessageByCartId($idCart)
    {
        return Db::getInstance()->getRow(
            '
			SELECT *
			FROM `' . _DB_PREFIX_ . 'message`
			WHERE `id_cart` = ' . (int) $idCart
        );
    }

    /**
     * Return messages from Order ID.
     *
     * @param int $idOrder Order ID
     * @param bool $private return WITH private messages
     *
     * @return array Messages
     */
    public static function getMessagesByOrderId($idOrder, bool $private = false, ?Context $context = null)
    {
        if (!$context) {
            $context = Context::getContext();
        }

        return Db::getInstance()->executeS('
			SELECT m.*, c.`firstname` AS cfirstname, c.`lastname` AS clastname, e.`firstname` AS efirstname, e.`lastname` AS elastname,
			(COUNT(mr.id_message) = 0 AND m.id_customer != 0) AS is_new_for_me
			FROM `' . _DB_PREFIX_ . 'message` m
			LEFT JOIN `' . _DB_PREFIX_ . 'customer` c ON m.`id_customer` = c.`id_customer`
			LEFT JOIN `' . _DB_PREFIX_ . 'message_readed` mr
				ON mr.`id_message` = m.`id_message`
				AND mr.`id_employee` = ' . (isset($context->employee) ? (int) $context->employee->id : '\'\'') . '
			LEFT OUTER JOIN `' . _DB_PREFIX_ . 'employee` e ON e.`id_employee` = m.`id_employee`
			WHERE id_order = ' . (int) $idOrder . '
			' . (!$private ? ' AND m.`private` = 0' : '') . '
			GROUP BY m.id_message
			ORDER BY m.date_add DESC
		');
    }

    /**
     * Return messages from Cart ID.
     *
     * @param int $idCart Cart ID
     * @param bool $private return WITH private messages
     * @param Context|null $context
     *
     * @return array Messages
     */
    public static function getMessagesByCartId($idCart, bool $private = false, ?Context $context = null)
    {
        if (!$context) {
            $context = Context::getContext();
        }

        return Db::getInstance()->executeS('
			SELECT m.*, c.`firstname` AS cfirstname, c.`lastname` AS clastname, e.`firstname` AS efirstname, e.`lastname` AS elastname,
			(COUNT(mr.id_message) = 0 AND m.id_customer != 0) AS is_new_for_me
			FROM `' . _DB_PREFIX_ . 'message` m
			LEFT JOIN `' . _DB_PREFIX_ . 'customer` c ON m.`id_customer` = c.`id_customer`
			LEFT JOIN `' . _DB_PREFIX_ . 'message_readed` mr ON (mr.id_message = m.id_message AND mr.id_employee = ' . (int) $context->employee->id . ')
			LEFT OUTER JOIN `' . _DB_PREFIX_ . 'employee` e ON e.`id_employee` = m.`id_employee`
			WHERE id_cart = ' . (int) $idCart . '
			' . (!$private ? ' AND m.`private` = 0' : '') . '
			GROUP BY m.id_message
			ORDER BY m.date_add DESC
		');
    }

    /**
     * Registered a message 'readed'.
     *
     * @param int $idMessage Message ID
     * @param int $idEmployee Employee ID
     *
     * @return bool
     */
    public static function markAsReaded($idMessage, $idEmployee)
    {
        if (!Validate::isUnsignedId($idMessage)) {
            throw new PrestaShopException('Message ID is invalid.');
        }
        if (!Validate::isUnsignedId($idEmployee)) {
            throw new PrestaShopException('Employee ID is invalid.');
        }

        $result = Db::getInstance()->execute('
			INSERT INTO ' . _DB_PREFIX_ . 'message_readed (id_message , id_employee , date_add) VALUES
			(' . (int) $idMessage . ', ' . (int) $idEmployee . ', NOW());
		');

        return $result;
    }
}