<?php

namespace App\Mail;

use App\Models\UserAbo;
use App\Services\AboHelper;
use App\Services\Util;
use Carbon\Carbon;
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class MailAboExecutionReminder extends Mailable
{
    use Queueable, SerializesModels;

    public function __construct(public UserAbo $userAbo) {}

    public function build(): self
    {
        $isConsultant = $this->userAbo->is_for === 'me';

        $salutation = __('email.hello');
        $firstname = $this->userAbo->shopping_user?->billing_firstname;
        if ($firstname) {
            $salutation = __('email.hello').' '.$firstname;
        }

        $days = $this->daysUntilExecution();

        return $this->subject(__('email.abo_reminder_subject'))
            ->view('emails.abo_execution_reminder')
            ->with([
                'salutation' => $salutation,
                'isConsultant' => $isConsultant,
                'days' => $days,
                'nextDate' => $this->userAbo->next_date
                    ? Carbon::parse($this->userAbo->next_date)->format(\Util::formatDateDB())
                    : '',
                'link' => $this->buildLink($isConsultant),
                'greetings' => __('email.greetings'),
                'sender' => __('email.sender'),
            ]);
    }

    /**
     * Berater erhalten den Link ins Sales Center (my.mivita.care), Endkunden ins
     * Kundenportal (in.mivita.care) – jeweils zur Abo-Detail-/Übersichtsseite.
     */
    private function buildLink(bool $isConsultant): string
    {
        if ($isConsultant) {
            return rtrim(Util::getMyMivitaUrl(), '/').'/user/abos/detail/me/'.$this->userAbo->id;
        }

        return rtrim(Util::getMyMivitaPortalUrl(), '/').'/portal/my-subscriptions';
    }

    private function daysUntilExecution(): int
    {
        if (! $this->userAbo->next_date) {
            return AboHelper::getOneTimeWindowDays();
        }

        $days = Carbon::today()->diffInDays(Carbon::parse($this->userAbo->next_date)->startOfDay(), false);

        return (int) max(0, $days);
    }
}