<?php

namespace Modules\Maintenance\Services;

use App\User;
use Modules\Maintenance\Models\Equipment;
use Modules\Maintenance\Models\WorkOrder;
use Modules\Maintenance\Utils\MaintenanceUtil;
use Modules\Project\Entities\Project;

class MaintenanceCrmSyncService
{
    public function __construct(
        protected MaintenanceUtil $maintenanceUtil
    ) {}

    /**
     * همگام‌سازی مشتری از پروژه (CRM → CMMS)
     */
    public function syncCustomerFromProject(Equipment $equipment): Equipment
    {
        if (! $equipment->project_id || $equipment->customer_id) {
            return $equipment;
        }

        if (! class_exists(Project::class)) {
            return $equipment;
        }

        $project = Project::find($equipment->project_id);
        if ($project && $project->contact_id) {
            $equipment->customer_id = $project->contact_id;
            if ($equipment->client_type === 'project') {
                $equipment->client_type = 'factory';
            }
        }

        return $equipment;
    }

    /**
     * ثبت پیگیری CRM هنگام ایجاد تجهیز (CMMS → CRM)
     */
    public function notifyCrmOnEquipmentCreated(Equipment $equipment, User $user): void
    {
        if (! $equipment->customer_id) {
            return;
        }

        if (! $this->maintenanceUtil->isCrmEnabled($user->business_id)) {
            return;
        }

        $settings = $this->maintenanceUtil->getMaintenanceSettings($user->business_id);
        if (empty($settings['crm_sync_followup_on_equipment'])) {
            return;
        }

        if (! class_exists(\Modules\Crm\Entities\Schedule::class)) {
            return;
        }

        $now = now();
        $schedule = \Modules\Crm\Entities\Schedule::create([
            'business_id' => $user->business_id,
            'contact_id' => $equipment->customer_id,
            'title' => 'ثبت تجهیز: '.$equipment->name,
            'status' => 'completed',
            'start_datetime' => $now,
            'end_datetime' => $now->copy()->addHour(),
            'description' => 'تجهیز «'.$equipment->name.'» (کد: '.$equipment->code.') در سیستم نگهداری ثبت شد.'
                .($equipment->production_line_id ? ' خط تولید مرتبط دارد.' : ''),
            'schedule_type' => 'meeting',
            'allow_notification' => 0,
            'notify_via' => ['sms' => 0, 'mail' => 0],
            'notify_before' => null,
            'notify_type' => 'hour',
            'created_by' => $user->id,
        ]);

        $schedule->users()->sync([$user->id]);
    }

    /**
     * ثبت پیگیری CRM هنگام تکمیل دستور کار (CMMS → CRM)
     */
    public function notifyCrmOnWorkOrderCompleted(WorkOrder $workOrder, User $user): void
    {
        $equipment = $workOrder->equipment;
        if (! $equipment || ! $equipment->customer_id) {
            return;
        }

        if (! $this->maintenanceUtil->isCrmEnabled($user->business_id)) {
            return;
        }

        $settings = $this->maintenanceUtil->getMaintenanceSettings($user->business_id);
        if (empty($settings['crm_sync_followup_on_work_order'])) {
            return;
        }

        if (! class_exists(\Modules\Crm\Entities\Schedule::class)) {
            return;
        }

        $now = now();
        $schedule = \Modules\Crm\Entities\Schedule::create([
            'business_id' => $user->business_id,
            'contact_id' => $equipment->customer_id,
            'title' => 'تکمیل دستور کار: '.$workOrder->work_order_number,
            'status' => 'completed',
            'start_datetime' => $now,
            'end_datetime' => $now->copy()->addHour(),
            'description' => 'دستور کار «'.$workOrder->work_order_number.'» برای تجهیز «'.$equipment->name.'» تکمیل شد.'
                .($workOrder->cost > 0 ? ' هزینه: '.$workOrder->cost : ''),
            'schedule_type' => 'call',
            'allow_notification' => 0,
            'notify_via' => ['sms' => 0, 'mail' => 0],
            'created_by' => $user->id,
        ]);

        $schedule->users()->sync([$user->id]);
    }
}