<?php

namespace App\Repositories;


use App\Services\Util;
use App\Models\LeadMail;
use App\Mail\MailSendInfo;
use App\Models\CMSContent;
use App\Models\EmailTemplate;
use App\Services\Placeholder;
use App\Models\LeadFile;
use Illuminate\Support\Facades\Mail;
use App\Models\Lead;
use Illuminate\Database\Eloquent\Collection;


class LeadMailRepository extends BaseRepository {


    public function __construct(LeadMail $model)
    {
        $this->model = $model;
    }

    public function update($data)
    {
        return $this->model;
    }

    public function sendAndStore($data){
        //send or draft
        //$data['action']
        if(isset($data['send_mail_to']) && is_array($data['send_mail_to'])) {
            //has Attachments
            $lead_files = [];
            if(isset($data['message_attachment_id']) && is_array($data['message_attachment_id'])){
                foreach ($data['message_attachment_id'] as $message_attachment_id){
                   if($LeadFile = LeadFile::find($message_attachment_id)){
                       $lead_files[] = $LeadFile;
                   }
                }
            }
            foreach ($data['send_mail_to'] as $lead_id => $on) {
                $lead = Lead::find($lead_id);
                if ($lead->customer) {
                    $data['draft'] = (isset($data['action']) && $data['action'] === 'draft' ? true : false);
                    if(!$data['draft']){
                        $data['message'] = $this->prepareContent($lead, $data['message']);
                        $data['subject'] = $this->prepareContent($lead, $data['subject']);
                    }
                    $reply_id = isset($data['lead_mail_id']) ? $data['lead_mail_id'] : NULL;
                    $email = isset($data['send_mail_to_mail'][$lead_id]) ? $data['send_mail_to_mail'][$lead_id] : $lead->customer->email;
                    $lead_mail = $this->store($lead, $data, $email, false, $reply_id);
                    foreach ($lead_files as $file) {
                        $file->lead_id = $lead->id;
                        $file->lead_mail_id = $lead_mail->id;
                        $file->identifier = 'mail';
                        $file->save();
                    }

                    if(isset($data['action']) && $data['action'] === 'send'){ //not at draft
                        $this->sendMail($lead_mail);
                    }

                }
            }
        }
    }
    public function forwardMail($lead_mail, $data){
        //send or draft
        //$data['action']
        if(isset($data['lead_mail_forward_email']) && !empty($data['lead_mail_forward_email'])) {
            $to_mails = [];
            if(strpos($data['lead_mail_forward_email'], ',')){
                $to_mails = array_map('trim', explode(',', $data['lead_mail_forward_email']));
            }else{
                $to_mails[] = $data['lead_mail_forward_email'];
            }
            $lead_files = $lead_mail->lead_files;
            $full_message = $this->prepareMessageFull($lead_mail);
            try {
                //
                Mail::to($to_mails)
                    ->bcc($lead_mail->bcc ?: [])
                    ->send(new MailSendInfo($lead_mail->subject, $full_message, $lead_files));
            }
            catch(\Exception $e){
                // Never reached
                $forward = array();
                $forward[now()->format("d.m.Y H:i:s")] = ['fail'=> true, 'to'=> $data['lead_mail_forward_email'], 'error'=>$e->getMessage()];
                $lead_mail->setForwardMessage($forward);
                return false;
            }
            $forward = array();
            $forward[now()->format("d.m.Y H:i:s")] = ['sent'=> true, 'to'=> $data['lead_mail_forward_email']];
            $lead_mail->setForwardMessage($forward);
            return true;
        }
    }

    public function replyStore($data){
        if(isset($data['lead_id']) && $lead = Lead::find($data['lead_id'])) {
            //has Attachments
            $lead_files = [];
            if(isset($data['message_attachment_id']) && is_array($data['message_attachment_id'])){
                foreach ($data['message_attachment_id'] as $message_attachment_id){
                    if($LeadFile = LeadFile::find($message_attachment_id)){
                        $lead_files[] = $LeadFile;
                    }
                }
            }
            if ($lead->customer) {
                $data['draft'] = (isset($data['action']) && $data['action'] === 'draft' ? true : false);
                $mail_from = isset($data['mail_from']) ? $data['mail_from'] : $lead->travel_user->email;
                $sent_at = isset($data['sent_at']) ? \Carbon::parse(str_replace("- ", "", $data['sent_at'])) : now();
                $reply_id = isset($data['lead_mail_id']) ? $data['lead_mail_id'] : NULL;
                $lead_mail = $this->store($lead, $data, $mail_from, true, $reply_id, $sent_at);
                foreach ($lead_files as $file) {
                    $file->lead_id = $lead->id;
                    $file->lead_mail_id = $lead_mail->id;
                    $file->identifier = 'mail';
                    $file->save();
                }
            }

        }
    }

    public function store($lead, $data, $mail_from, $is_answer = false, $reply_id = NULL, $sent_at=false){

        if(isset($data['save_lead_mail_id'])){
            $lead_mail = LeadMail::find($data['save_lead_mail_id']);
            $lead_mail->fill([
                'lead_id' => $lead->id,
                'customer_id' => $lead->customer_id,
                'is_answer' => $is_answer,
                'reply_id' => $reply_id,
                'email' =>  $mail_from,
                'recipient' => isset($data['recipient']) ? Util::_explodeLines($data['recipient']) : null,
                'cc' => isset($data['cc']) ? Util::_explodeLines($data['cc']) : null,
                'bcc' => isset($data['bcc']) ? Util::_explodeLines($data['bcc']) : null,
                'subject' => $data['subject'],
                'message' => $data['message'],
                'dir' => isset($data['dir']) ? $data['dir'] : 0,
                'subdir' => isset($data['subdir']) ? $data['subdir'] : 0,
                'draft' => $data['draft'],
                'sent_at' =>  $sent_at ? $sent_at : now(),
            ])->save();
        }else{
            $lead_mail = LeadMail::create([
                'lead_id' => $lead->id,
                'customer_id' => $lead->customer_id,
                'is_answer' => $is_answer,
                'reply_id' => $reply_id,
                'email' =>  $mail_from,
                'recipient' => isset($data['recipient']) ? Util::_explodeLines($data['recipient']) : null,
                'cc' => isset($data['cc']) ? Util::_explodeLines($data['cc']) : null,
                'bcc' => isset($data['bcc']) ? Util::_explodeLines($data['bcc']) : null,
                'subject' => $data['subject'],
                'message' => $data['message'],
                'dir' => isset($data['dir']) ? $data['dir'] : 0,
                'subdir' => isset($data['subdir']) ? $data['subdir'] : 0,
                'draft' => $data['draft'],
                'sent_at' =>  $sent_at ? $sent_at : now(),
            ]);
        }

         return $lead_mail;
    }

    private function sendMail($lead_mail){
        $to_mails = [];
        if(strpos($lead_mail->email, ',')){
            $to_mails = array_map('trim', explode(',', $lead_mail->email));
        }else{
            $to_mails[] = $lead_mail->email;
        }
        if($lead_mail->recipient){
            $to_mails = array_merge($to_mails, $lead_mail->recipient);
        }
        $lead_files = $lead_mail->lead_files;
        $full_message = $this->prepareMessageFull($lead_mail);

        try {
            //
            Mail::to($to_mails)
                ->cc($lead_mail->cc ?: [])
                ->bcc($lead_mail->bcc ?: [])
                ->send(new MailSendInfo($lead_mail->subject, $full_message, $lead_files));
        }
        catch(\Exception $e){
            // Never reached
            $lead_mail->fail = true;
            $lead_mail->error = $e->getMessage();
            $lead_mail->save();
            return false;
        }
        $lead_mail->send = true;
        $lead_mail->sent_at = now();
        $lead_mail->save();
        return true;
    }
    private function prepareMessageFull($lead_mail, $deep = 0){
        $ret = "";
        if($deep === 0){
            $ret .= $lead_mail->message;
        }else{
            $ret .= "--------------------------------\n";
            $ret .= $lead_mail->is_answer ? "Antwort von: " : "Gesendet an: ";
            $ret .= "&lt;".$lead_mail->email."&gt; ".$lead_mail->sent_at."\n";
            $ret .= "<strong>".$lead_mail->subject."</strong>\n";
            $ret .= $lead_mail->message;
        }
        if($lead_mail->lead_mail){
            $ret .= $this->prepareMessageFull($lead_mail->lead_mail, $deep+1);
        }
        return $ret;
    }

    private function prepareContent($lead, $content){
        $content = Placeholder::replaceLead($lead, $content);
        return $content;
    }

    private static function prepareContactMails($value){
        if(isset($value->customers)){ //&& $value->lead_mail_dir !== NULL
            $first_mail = "";
            if($value->lead_mail_dir < 10){ // && $value->lead_mail_subdir > 0
                $lead_mail_dir = \App\Services\Lead::getCustomerMailDir($value->lead_mail_dir);
                $contact_emails = \App\Services\Lead::getCustomerMailEmails($lead_mail_dir, $value->lead_mail_subdir);
                if($value->lead_mail_dir == 0){
                    $value->recipient = Util::_implodeLines($contact_emails);
                    return $value;
                }else{
                    if($contact_emails && count($contact_emails) > 0) {
                        $first_mail = array_shift($contact_emails);
                        if (count($contact_emails) > 0) {
                            $value->recipient = Util::_implodeLines($contact_emails);
                        }
                    }
                }
            }
            foreach ($value->customers as $key=>$val){
                $val['email'] = $first_mail;
                $value->customers[$key] = $val;
            }

        }
        return $value;
    }

    public static function loadModal($data)
    {
        $value = new Collection();
        $value->title = "";
        $value->subtitle = "";
        $value->url = "";
        $value->recipient = "";
        $value->cc = "";
        $value->bcc = "";
        $value->lead_title_id = "";
        $value->lead = "";
        $value->filter_email_templates_directories = EmailTemplate::join('email_template_dirs', 'email_template_dir_id', '=', 'email_template_dirs.id')->get()->pluck('name', 'id')->unique()->toArray();

        /*Ansicht*/
        if ($data['action'] === "show-lead-mail") {
            if (isset($data['lead_mail_id']) && $lead_mail = LeadMail::find($data['lead_mail_id'])) {
                $value->url = $data['url'];
                $value->title = "E-Mail Ansicht";
                return view("lead.modal-show-mail", compact('data', 'value', 'lead_mail'))->render();
            }
        }
        /* neue Mail */
        if ($data['action'] === "edit-lead-mail") {
            $value->id = $data['id']; //
            $lead_mail = LeadMail::find($value->id);
            $lead = $lead_mail->lead;
            $value->lead_files = $lead_mail->lead_files;
            $value->save_lead_mail_id = $lead_mail->id;
            $value->draft = true;
            $value->id = $lead_mail->travel_user_lead_id;
            $value->lead = $lead;
            $value->show = 'single';
            $value->lead_title_id  = " - (".$value->lead->id.")";

            $tmp = [];
            $tmp['email'] = $lead->customer ? $lead->customer->email : "";
            $tmp['name'] = $lead->customer ? $lead->customer->firstname . " " . $lead->customer->name . " | " : "- | ";
            $tmp['name'] .= $lead->id ? $lead->id. " | " : "- | ";
            $data['customers'][$lead->id] = $tmp;
            $value->customers = $data['customers'];
            $value->subject = $lead_mail->subject;
            $value->message = $lead_mail->message;
            $value->recipient = Util::_implodeLines($lead_mail->recipient);
            $value->cc = Util::_implodeLines($lead_mail->cc);
            $value->bcc = Util::_implodeLines($lead_mail->bcc);

            $value->title = "E-Mail- Nachricht an Kunden senden";
            $value->subtitle = "Dem Kunden wird eine E-Mail zugesendet.";
            if($lead_mail->reply_id){
                $value->title = "E-Mail Antwort an Kunden senden";
                $value->subtitle = "Dem Kunden wird eine E-Mail zugesendet, die im System als Antwort gespeichert wird.";
                $value->lead_mail = $lead_mail->lead_mail;
            }
            $value->s_placeholder = "Betreff der E-Mail";
            $value->m_placeholder = "Nachricht der E-Mail";
            $value->url = $data['url'];
            $value->lead_mail_dir = $lead_mail->dir ? $lead_mail->dir : 0;
            $value->lead_mail_subdir = $lead_mail->subdir  ? $lead_mail->subdir : 0;

            return view("lead.modal-new-mail", compact('data', 'value'))->render();
        }
        /* neue Mail */
        if ($data['action'] === "new-lead-mail") {
            $value->id = "";
            $value->draft = false;
            $value->lead_title_id  = "-";
            //singel
            if (isset($data['lead_id']) && $lead = Lead::find($data['lead_id'])) {
                $value->id = $data['lead_id'];
                $value->lead = $lead;
                $value->show = 'single';
                $value->draft = true;
                $value->lead_title_id  = " - (".$value->lead->id.")";

            }else{
                //multi
                $value->show = 'multi';
            }
            $value->customers = $data['customers'];
            $value->subject = $value->lead_title_id;
            $value->message =  CMSContent::getContentBySlug('mailvorlage');
            $value->s_placeholder = "Betreff der E-Mail";
            $value->m_placeholder = "Nachricht der E-Mail";
            if(isset($data['lead_mail_id']) && $lead_mail = LeadMail::find($data['lead_mail_id'])){
                $value->subject = "Re: ".Util::_first_replace($lead_mail->subject);
                $value->lead_mail = $lead_mail;
            }

            $value->title = "E-Mail- Nachricht an Kunden senden";
            $value->subtitle = "Dem Kunden wird eine E-Mail zugesendet.";
            if($data['id'] === 'reply-send'){
                $value->title = "E-Mail Antwort an Kunden senden";
                $value->subtitle = "Dem Kunden wird eine E-Mail zugesendet, die im System als Antwort gespeichert wird.";
            }
            $value->url = $data['url'];
            $value->lead_mail_dir = isset($data['lead_mail_dir']) ? $data['lead_mail_dir'] : 0;
            $value->lead_mail_subdir = isset($data['lead_mail_subdir']) ? $data['lead_mail_subdir'] : 0;

            $value = self::prepareContactMails($value);
            return view("lead.modal-new-mail", compact('data', 'value'))->render();

        }
        /*Antwort speichern*/
        if ($data['action'] === "reply-lead-mail") {
            if (isset($data['lead_id']) && $lead = Lead::find($data['lead_id'])) {
                $value->id = $data['lead_id'];
                $value->draft = false;
                $value->lead = $lead;
                $value->message = "";
                $value->subject = " - (".$value->lead->id.")";
                $value->lead_title_id  = " - (".$value->lead->id.")";
                $value->s_placeholder = "Betreff des Kunden";
                $value->m_placeholder = "Nachricht des Kunden";
                if(isset($data['lead_mail_id']) && $lead_mail = LeadMail::find($data['lead_mail_id'])){
                    $value->subject = "Re: ".Util::_first_replace($lead_mail->subject);
                    $value->lead_mail = $lead_mail;
                }
                $value->title = "E-Mail Antwort speichern";
                $value->subtitle = "Die E-Mail wird im System gespeichert.";
                if($data['id'] === 'reply-save'){
                    $value->subtitle = "Die E-Mail wird im System als Antwort gespeichert.";
                }
                $value->url = $data['url'];
                $value->show = 'reply';
                $value->lead_mail_dir = isset($data['lead_mail_dir']) ? $data['lead_mail_dir'] : 0;
                $value->lead_mail_subdir = isset($data['lead_mail_subdir']) ? $data['lead_mail_subdir'] : 0;

                $value = self::prepareContactMails($value);
                return view("lead.modal-new-mail", compact('data', 'value'))->render();
            }

        }
    }

}