<?php

namespace Modules\Platform\User\Service;

use Modules\Platform\Core\Helper\CompanySettings;
use Modules\Platform\Core\Helper\StringHelper;
use Modules\Platform\User\Entities\User;
use Modules\SentEmails\LaravelDatabaseEmails\Email;
use Symfony\Component\Process\Exception\ProcessFailedException;
use DB;

class UserService
{

    /**
     * Send Invitation email to user
     * @param User $user
     * @param $password
     * @return Email|static
     */
    public function sendInviteEmail(User $user, $password)
    {

        $company = \Auth::user()->companyContext();

        $emailSettings = CompanySettings::getMany([
            's_email_notify_host',
            's_email_notify_port',
            's_email_notify_username',
            's_email_notify_password',
            's_email_notify_encryption',
            's_email_notify_mail_from_address',
            's_email_notify_mail_from_name',
            's_email_notify_content_welcome',
            's_email_notify_content_welcome_title'
        ], $company->id);

        if (isset($emailSettings['s_email_notify_host'])) {


            $renderVariables = [
                'first_name' => $user->name,
                'last_name' => $user->name,
                'email' => $user->email,
                'password' => $password,
                'app_url' => config('app.url')
            ];

            $result = Email::compose()
                ->recipient($user->email)
                ->composedById(\Auth::id())
                ->companyId($company->id)
                ->variables([
                    'body' => StringHelper::renderTemplateVariables($emailSettings['s_email_notify_content_welcome'], $renderVariables),
                ])->view('sentemails::email')
                ->subject(StringHelper::renderTemplateVariables($emailSettings['s_email_notify_content_welcome_title'], $renderVariables))
                ->label(StringHelper::renderTemplateVariables($emailSettings['s_email_notify_content_welcome_title'], $renderVariables))
                ->from($emailSettings['s_email_notify_mail_from_address'], $emailSettings['s_email_notify_mail_from_name']);

            $result = $result->send();

            return $result;

        }

    }

    public function updateAsteriskUser(User $user){
        $fullname               = $user->first_name.' '.$user->last_name;

        // sip
        DB::table('asterisk.sip')
        ->where(['id' => $user->id,'keyword' => 'callerid'])
        ->update(['data' => $fullname.' '.'<'.$user->id.'>']);
        
        DB::table('asterisk.sip')
        ->where(['id' => '99'.$user->id,'keyword' => 'callerid'])
        ->update(['data' => 'WebRTC '.$fullname.' '.'<'.$user->id.'>']);
        
        // Userman
        DB::table('asterisk.userman_users')
        ->where(['username' => $user->id])
        ->update(['fname' => $user->first_name,'lname' => $user->last_name,'displayname' => $fullname]);
        
        // cxpanel_users
        DB::table('asterisk.cxpanel_users')
        ->where(['user_id' => $user->id])
        ->update(['display_name' => $fullname]);
        
        // devices
        DB::table('asterisk.devices')
        ->where(['id' => $user->id])
        ->update(['description' => $fullname]);
        DB::table('asterisk.devices')
        ->where(['id' => '99'.$user->id])
        ->update(['description' => 'WebRTC '.$fullname]);
        
        // module_xml

        // users 
        DB::table('asterisk.users')
        ->where(['extension' => $user->id])
        ->update(['name' => $fullname]);

        return true;
    }

    public function addAsteriskUser(User $user, $password){
        $fullname                               = explode(' ',trim($user->name));
        $firstname                              = $fullname[0];
        $lastname                               = end($fullname);
        if(count($fullname) > 2){
            array_pop($fullname);
            $lastname                           = $lastname." ".end($fullname);
        }
		$options['extension'] 					= trim($user->id);
		$options['firstname'] 					= $firstname;
		$options['lastname'] 					= $lastname;
		if(!empty($password)){
            $options['secret'] 					= $password;
		}else{
            $options['secret'] 					= self::generateExtensionPasswordHere($options['extension']);
		}
        $customHandler 							= self::curlCore($options);
        \DB::table('asterisk.findmefollow')->insertOrIgnore([
            'grpnum' => $options['extension'],
            'strategy' => 'ringallv2-prim',
            'grptime' => 20,
            'grppre' => '',
            'grplist' => $options['extension'],
            'annmsg_id' => NULL,
            'postdest' => 'ext-local,'.$options['extension'].',dest',
            'dring' => '',
            'rvolume' => '',
            'remotealert_id' => NULL,
            'needsconf' => '',
            'toolate_id' => NULL,
            'pre_ring' => 7,
            'ringing' => 'Ring',
            'calendar_enable' => 0,
            'calendar_id' => '',
            'calendar_group_id' => '',
            'calendar_match' => 'yes'
        ]);
        \DB::table('asterisk.sip')
        ->where(['id' => $user->id,'keyword' => 'vmexten'])
        ->delete();
        \DB::table('asterisk.sip')
        ->where(['id' => $user->id,'keyword' => 'force_callerid'])
        ->delete();
        return true;
	}

    public static function curlCore($options = array()){
        if(!empty($options) and is_array($options)){
			$ch = curl_init();
            curl_setopt($ch, CURLOPT_URL,"http://127.0.0.1/pbxCore.php");
			curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_VERBOSE, true);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
			curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($options));
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $streamVerboseHandle = fopen('php://temp', 'w+');
            curl_setopt($ch, CURLOPT_STDERR, $streamVerboseHandle);

            $server_output = curl_exec($ch);

            rewind($streamVerboseHandle);
            $verboseLog = stream_get_contents($streamVerboseHandle);
            fclose($streamVerboseHandle);

            $logEntry = '[' . date('Y-m-d H:i:s') . '] cUrl verbose information:' . PHP_EOL . $verboseLog . PHP_EOL;

            if ($server_output === false) {
                $logEntry .= 'cUrl error (#' . curl_errno($ch) . '): ' . curl_error($ch) . PHP_EOL;
            }

            // file_put_contents('/var/log/user_creation.log', $logEntry, FILE_APPEND | LOCK_EX);

            curl_close($ch);

            return $server_output;
		}
	}

    public static function generateExtensionPasswordHere($extension)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $password = '';
        for ($i = 0; $i < 10; $i++) {
            $password .= $chars[random_int(0, strlen($chars) - 1)];
        }
        return $password;
    }

    public function updateAsteriskPass(User $user, $password){
        // SIP/Asterisk password intentionally not updated on web-password change.
        // The Asterisk secret is set once at user creation and never changed thereafter.
        return true;
    }


}