<?php

namespace App\Jobs\Mail;

use App\Mail\GenericTemplateMail;
use App\Mail\InvoiceNotificationMail;
use App\Models\Invoice;
use App\Models\InvoiceAttachment;
use App\Models\Mail as MailLog;
use App\Services\Email\EmailTemplateService;
use App\Services\InvoicePdfService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Throwable;

class SendInvoiceMailJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries = 1;

    public function __construct(
        public readonly int $invoiceId,
        public readonly string $type,
        public readonly ?string $message,
        public readonly ?string $subject,
        public readonly ?string $html,
        public readonly ?int $sentBy,
        public readonly bool $attachVat = false,
        public readonly array $contractIds = [],
    ) {}

    public function handle(InvoicePdfService $pdfService, EmailTemplateService $templates): void
    {
        $invoice = Invoice::with('customer')->find($this->invoiceId);
        if (!$invoice?->customer?->email) {
            return;
        }

        $mail = null;
        try {
            $pdf = $pdfService->generate($invoice);
            $pdfFileName = $pdfService->generateFileName($invoice);
            $mail = $this->html !== null
                ? $this->editedMail($templates, $pdf, $pdfFileName)
                : InvoiceNotificationMail::forInvoice($invoice, $this->type, $this->message, $pdf, $pdfFileName);
            $this->attachExtras($mail, $invoice, $pdfService);
            $sent = Mail::to($invoice->customer->email)->send($mail);
            $this->log($templates, $invoice, $mail, $sent === null ? 'failed' : 'sent');
        } catch (Throwable $e) {
            Log::error('SendInvoiceMailJob failed', [
                'invoice_id'     => $invoice->id,
                'customer_email' => $invoice->customer->email,
                'type'           => $this->type,
                'error'          => $e->getMessage(),
            ]);
            if ($mail) {
                $this->log($templates, $invoice, $mail, 'failed');
            }

            throw $e;
        }
    }

    private function attachExtras(Mailable $mail, Invoice $invoice, InvoicePdfService $pdfService): void
    {
        if ($this->attachVat && $invoice->vat_number) {
            $mail->attachData($pdfService->generate($invoice), $pdfService->vatFileName($invoice), ['mime' => 'application/pdf']);
        }

        $contracts = InvoiceAttachment::query()
            ->where('invoice_id', $invoice->id)
            ->where('type', InvoiceAttachment::TYPE_CONTRACT)
            ->whereIn('id', $this->contractIds)
            ->get();

        foreach ($contracts as $contract) {
            $mail->attachFromStorageDisk($contract->disk, $contract->path, $contract->filename, ['mime' => $contract->mime_type]);
        }
    }

    private function editedMail(EmailTemplateService $templates, string $pdf, string $pdfFileName): GenericTemplateMail
    {
        return (new GenericTemplateMail(
            $this->subject,
            $this->html,
            $templates->loadTemplate(InvoiceNotificationMail::SCENARIO)->mailConfig(),
            InvoiceNotificationMail::SCENARIO,
        ))->attachData($pdf, $pdfFileName, ['mime' => 'application/pdf']);
    }

    private function log(EmailTemplateService $templates, Invoice $invoice, Mailable $mail, string $status): void
    {
        $envelope = $mail->envelope();
        $addresses = fn (array $list) => implode(', ', array_map(fn ($a) => is_string($a) ? $a : $a->address, $list));

        MailLog::create([
            'template_id'  => $templates->loadTemplate(InvoiceNotificationMail::SCENARIO)->id,
            'subject'      => $envelope->subject,
            'from_address' => $envelope->from?->address ?? config('mail.from.address'),
            'to'           => $invoice->customer->email,
            'cc'           => $addresses($envelope->cc),
            'bcc'          => $addresses($envelope->bcc),
            'customer_id'  => $invoice->customer_id,
            'order_id'     => $invoice->order_id,
            'sent_by'      => $this->sentBy,
            'message'      => $mail->render(),
            'status'       => $status,
        ]);
    }
}