<?php

declare(strict_types=1);

namespace App\Jobs\VirtualMachine\Provision;

use App\Jobs\Mail\SendInformationVirtualMachine;
use App\Models\ModuleVmware;
use App\Models\Setting;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;

/**
 * SendVmCredentialsEmailJob
 *
 * Sends the final VM credential email to the customer.
 * Always loads fresh data from DB so it gets the real IP and
 * the final password saved by ChangePasswordJob.
 *
 * This is step [11] in the provisioning flow.
 */
class SendVmCredentialsEmailJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries   = 3;
    public int $timeout = 60;

    public function __construct(
        public readonly int $moduleVmwareId,
    ) {}

    public function handle(): void
    {
        $vm = ModuleVmware::with(['customer', 'os.osGroup', 'order.orderItems'])->find($this->moduleVmwareId);

        if (!$vm) {
            Log::error('SendVmCredentialsEmailJob: ModuleVmware not found', [
                'module_vmware_id' => $this->moduleVmwareId,
            ]);
            return;
        }

        $customer = $vm->customer;

        if (!$customer?->email) {
            Log::error('SendVmCredentialsEmailJob: customer or email missing', [
                'module_vmware_id' => $this->moduleVmwareId,
            ]);
            return;
        }

        $setting      = Setting::where('key', 'setting')->first();
        $settingValue = $setting ? json_decode((string) $setting->value) : null;

        // Resolve billing info from order items
        $orderItem = $vm->order?->orderItems?->first();
        $months    = (int) ($orderItem?->months ?? 0);

        $emailData = [
            'company_name'     => $settingValue->company ?? 'Thế Giới Số',
            'company_logo'     => $settingValue->logo    ?? '',
            'client_name'      => trim($customer->firstname . ' ' . $customer->lastname),
            'product_name'     => $orderItem?->getProductAttribute()?->name ?? 'Cloud VPS',
            'product_billing'  => $this->billingLabel($months),
            'product_price'    => $orderItem ? number_format((float) $orderItem->price, 0, ',', '.') : 'N/A',
            'service_host'     => $vm->ip ?? 'N/A',
            'service_username' => $vm->user,
            'service_port'     => $vm->port,
            'service_password' => $vm->plain_password ?? '(xem tài khoản quản lý)',
            'os_name'          => $vm->os
                ? (($vm->os->osGroup?->name ?? '') . ' ' . $vm->os->version)
                : 'Unknown OS',
            'service_due_exp'  => $vm->next_due_date
                ? date('d/m/Y', (int) $vm->next_due_date)
                : 'N/A',
        ];

        SendInformationVirtualMachine::dispatch($emailData, $customer);

        Log::info('SendVmCredentialsEmailJob: email dispatched', [
            'module_vmware_id' => $this->moduleVmwareId,
            'customer_email'   => $customer->email,
            'ip'               => $vm->ip,
        ]);
    }

    public function failed(\Throwable $e): void
    {
        Log::error('SendVmCredentialsEmailJob: failed', [
            'module_vmware_id' => $this->moduleVmwareId,
            'error'            => $e->getMessage(),
        ]);
    }

    // -------------------------------------------------------------------------

    private function billingLabel(?int $months): string
    {
        return match ($months) {
            1       => 'Hàng tháng',
            3       => '3 Tháng',
            6       => '6 Tháng',
            12      => 'Hàng năm',
            24      => '2 Năm',
            default => ($months ?? 0) . ' Tháng',
        };
    }
}