<?php

namespace App\User\WebMail;

use App_Settings_Obj;
use Qs\ViewController\Navigation;
use Qs_Array;
use Qs_Request;
use Qs_SiteMap;
use Qs_String;
use Qs_ViewController;
use App\User\Autocomplete\View as UserAutocompleteView;
use App\User\MemberDirectory\View as MemberDirectoryView;

/**
 * Class View
 * @package App\User\WebMail
 * @method Obj _getDataObj()
 */
class View extends Qs_ViewController
{
    const MSG_FAILED_TO_SEND_MAIL = 'msgFailedToSendMail';
    protected $_actions = ['summary', 'list', 'new', 'insert', 'back', 'cancel'];
    protected $listType;

    protected function _init()
    {
        parent::_init();
        $this->_setMessage('Message has been sent', self::MSG_ADDED);
        $this->_messageTemplates[self::MSG_FAILED_TO_SEND_MAIL] = 'Failed to send mail';
        $this->_getDataObj()->setUser($this->_doc->getAuthData());
        return $this;
    }

    protected function _initAction()
    {
        parent::_initAction();
        if (null === $this->_restAlias) {
            return $this;
        }
        $matches = [];
        $labelIds = array_map('preg_quote', array_keys($this->getConfigArray('labels')));
        $pattern = '/^(' . implode('|', $labelIds) . ')(?:\/([\d]+))?$/';

        if (!preg_match($pattern, $this->_restAlias, $matches)) {
            $this->_action = '404';
            return $this;
        }

        $type = $matches[1];
        $this->setListType($type);
        if (!empty($matches[2])) {
            $this->_getDataObj()->setPrimaryKey($matches[2]);
            $this->_action = 'view';
            return $this;
        }
        switch ($type) {
            case Entity::LABEL_INBOX:
                $this->_getDataObj()->setFilter('toUserId', $this->_doc->getAuthData('id'));
                $this->_action = 'list';
                break;
            case Entity::LABEL_SENT:
                $this->_getDataObj()->setFilter('fromUserId', $this->_doc->getAuthData('id'));
                $this->_action = 'list';
                break;
            default:
                $this->_action = '404';
                return $this;
        }
        return $this;
    }

    protected function _callAction()
    {
        $this->_initNavigation();
        return parent::_callAction();
    }

    protected function _initNavigation()
    {
        if ('summary' === $this->_action) {
            return $this;
        }
        $options = [
            'page'      => Qs_SiteMap::findFirst(['id' => $this->_doc->getOption('id')]),
            'action'    => $this->_action,
            'itemName'  => $this->getConfig('itemName'),
            'itemsName' => $this->getConfig('itemsName'),
            'templates' => [
                Navigation::ADD     => 'New {itemName}',
                Navigation::PREVIEW => '{subject}',
            ],
        ];
        $nav = new Navigation($options);
        $nav->enable();
        $nav->addPage();
        if ($this->getListType() && ($label = Qs_Array::get($this->getConfigArray('labels'), $this->getListType()))) {
            $nav->add($label, $this->finalUrl() . '/' . $this->getListType());
        }
        if ($this->_getDataObj()->getPrimaryKey()) {
            $nav->setEntity($this->_getDataObj()->getData());
        }
        $nav->addAction();
        return $this;
    }

    protected function _getDefaultLinks()
    {
        return [
            [
                'title' => 'Compose',
                'url'   => $this->finalUrl(['action' => 'new']),
            ],
        ];
    }

    protected function _getFormOptions($type = null)
    {
        $options = parent::_getFormOptions($type);
        if ('new' === $type) {
            if (($toUserId = Qs_Request::getGetValue('toUserId'))
                && ($user = $this->_getDataObj()->findUser($toUserId))
            ) {
                $options['userName'] = $user['fullName'];
                $options['defaults']['toUserId'] = $toUserId;
            }
            $options['autocompleteUrl'] = UserAutocompleteView::getUserAutocompleteUrl4WebMail();
            $options['loggedInUserId'] = $this->_doc->getAuthData('id');
        }
        return $options;
    }

    protected function _doInsert()
    {
        $form = $this->_getNewForm(['defaults' => Qs_Request::getPost()]);
        if (!$form->validate()) {
            $this->_addFormItem($form);
            return $this;
        }
        $data = $form->getValues();
        $data['fromUserId'] = $this->_doc->getAuthData('id');

        $sender = $this->_getDataObj()->findUser($data['fromUserId']);
        $recipient = $this->_getDataObj()->findUser($data['toUserId']);
        if ('y' == $recipient['pmNotificationEnabled'] && !$this->sendMail($data, $sender, $recipient)) {
            $form->addError($this->_createMessage(self::MSG_FAILED_TO_SEND_MAIL));
            $this->_addFormItem($form);
            return $this;
        }
        $this->_getDataObj()->initFromForm($data);
        if (false === $this->_getDataObj()->insert()) {
            $this->_setBackErrors($this->_getDataObj()->getErrors());
        } else {
            $this->_postInsert();
            $this->_setBackMessage(static::MSG_ADDED);
        }
        $this->_doBack();
        return $this;
    }

    protected function sendMail(array $mail, $sender, $recipient)
    {
        $data = [
            'senderFullName' => $sender['fullName'],
            'subject'        => htmlspecialchars($mail['subject']),
            'message'        => nl2br(htmlspecialchars($mail['body'])),
            'messagesUrl'    => self::getPage('url'),
            'senderPageUrl'  => MemberDirectoryView::getPage('url') . '/' . $sender['alias'],
        ];
        $prefix = 'webMailNotification';
        $subject = App_Settings_Obj::get($prefix . 'Subject');
        $subject = Qs_String::fill($subject, $data);
        $from = App_Settings_Obj::getEmailFrom($prefix . 'Form');
        $body = App_Settings_Obj::getEmailFrom($prefix . 'Body');
        $body = Qs_String::fill($body, $data);
        $to = [$recipient['email']];
        return $this->_sendMail(compact('from', 'subject', 'body', 'to'));
    }

    protected function _doSummary()
    {
        $this->_addLinksItem();
        $item = [
            'list' => $this->_getDataObj()->getSummary(),
            'tpl'  => $this->getTemplate('summary.tpl'),
        ];
        $this->_addItem($item);
        return $this;
    }

    protected function _getListOptions()
    {
        $options = parent::_getListOptions();
        $options['receiverColumn'] = $this->getListType() == Entity::LABEL_SENT;
        $options['senderColumn'] = $this->getListType() == Entity::LABEL_INBOX;
        $options['url'] = self::getPage('url') . '/' . $this->getListType();
        return $options;
    }

    protected function _getListItem()
    {
        $item = parent::_getListItem();
        $item['url'] = MemberDirectoryView::getPage('url') . '/{alias}';
        $item['attribs']['class'] = 'table table-striped table-bordered app-user-webmail mailbox-' . $this->getListType();
        unset($item['attribs']['id']);

        if ($this->getListType() == Entity::LABEL_INBOX) {
            $item['rowInitCallback'] = function (&$attribs, $row) {
                if ('n' === $row['read']) {
                    $attribs['class'] = 'not-read';
                }
            };
        }

        return $item;
    }

    public function getListType()
    {
        return $this->listType;
    }

    public function setListType($listType)
    {
        $this->listType = $listType;
        return $this;
    }

    protected function _prepareViewItem(array &$item)
    {
        if ('n' === $item['read'] && $this->_doc->getAuthData('id') == $item['toUserId']) {
            $this->_getDataObj()->update(['read' => 'y']);
        }
        return parent::_prepareViewItem($item);
    }
}