<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class MailLog extends Mailable implements ShouldQueue
{
    use Queueable, SerializesModels;

    protected $channel;

    protected $context;

    protected $message;

    protected $data;

    /**
     * Request-Kontext wird beim Erzeugen eingesammelt, nicht erst in build().
     * Die Mail wird in die Queue gelegt und im Worker gibt es weder eine
     * angemeldete Session noch den urspruenglichen Request.
     */
    protected $origin;

    protected $userAgent;

    protected $occurredAt;

    public $subject;

    public function __construct($channel, $context, $message, $data)
    {
        $this->channel = $channel;
        $this->context = $context;
        $this->message = $message;
        $this->data = $data;
        $this->subject = 'mivita Log';
        $this->origin = \Auth::check()
            ? \Auth::user()->id.' | '.\Auth::user()->email
            : null;
        $this->userAgent = request()->header('User-Agent');
        $this->occurredAt = now()->format('d.m.Y H:i');
    }

    public function build()
    {
        $title = 'Log: '.$this->channel.' '.$this->context;

        // make Data readable
        $data = json_encode($this->data, JSON_PRETTY_PRINT);

        $content = "\n";
        $content .= 'Channel: '.$this->channel."\n";
        $content .= 'Context: '.$this->context."\n";
        if ($this->origin) {
            $content .= 'From User: '.$this->origin."\n";
        }
        $content .= "\n";
        $content .= 'Message: '.$this->message."\n";
        $content .= "\n";
        $content .= 'Data: '.$data."\n";
        $content .= "\n";
        $content .= "\n";
        $content .= 'Time: '.$this->occurredAt;
        $content .= "\n";
        $content .= $this->userAgent;

        return $this->view('emails.sys')->with([
            'title' => $title,
            'content' => $content,
        ]);
    }
}