<?php

namespace App\Mail;

use App\Models\Mailing;
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class MailingErrorMail extends Mailable
{
    use Queueable, SerializesModels;

    public Mailing $mailing;
    public string $errorMessage;
    public string $locale;
    public int $recipientCount;

    public function __construct(Mailing $mailing, string $errorMessage, string $locale = '', int $recipientCount = 0)
    {
        $this->mailing = $mailing;
        $this->errorMessage = $errorMessage;
        $this->locale = $locale;
        $this->recipientCount = $recipientCount;
    }

    public function build(): self
    {
        $mailing = $this->mailing;

        $subject = '[' . config('app.name') . '] Mailing failed: ' . $mailing->title;

        $lines = [];
        $lines[] = 'Mailing Error Report: ' . $mailing->title;
        $lines[] = str_repeat('-', 40);
        $lines[] = '';
        $lines[] = 'Status:              Failed';
        if ($mailing->sending_started_at) {
            $lines[] = 'Started sending:     ' . $mailing->sending_started_at->format('d M Y H:i');
        }
        $lines[] = 'Failed at:           ' . now()->format('d M Y H:i');
        if ($this->locale) {
            $lines[] = 'Locale (batch):      ' . strtoupper($this->locale);
        }
        if ($this->recipientCount > 0) {
            $lines[] = 'Recipients in batch: ' . number_format($this->recipientCount);
        }
        $lines[] = '';
        $lines[] = 'Recipients:          ' . number_format($mailing->recipients_count);
        $lines[] = 'Successfully sent:   ' . number_format($mailing->sent_count);
        $lines[] = 'Failed:              ' . number_format($mailing->failed_count);
        $lines[] = 'Skipped (bounced):   ' . number_format($mailing->skipped_count);
        $lines[] = '';
        $lines[] = str_repeat('-', 40);
        $lines[] = 'Error Details';
        $lines[] = str_repeat('-', 40);
        $lines[] = '';

        // Wrap long error lines
        foreach (explode("\n", $this->errorMessage) as $line) {
            $lines[] = $line;
        }

        $lines[] = '';
        $lines[] = str_repeat('-', 40);
        $lines[] = config('app.name');

        return $this->subject($subject)->text('emails.mailing-error-plain', [
            'lines' => $lines,
        ]);
    }
}