<?php

namespace App\Nova\Actions;

use Illuminate\Bus\Queueable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Support\Collection;
use Laravel\Nova\Actions\Action;
use Laravel\Nova\Fields\ActionFields;
use Laravel\Nova\Fields\Select;
use Laravel\Nova\Fields\Boolean;
use Laravel\Nova\Fields\BelongsToMany;
use Laravel\Nova\Fields\Text;
use Laravel\Nova\Fields\Textarea;
use Laravel\Nova\Fields\Number;
use Laravel\Nova\Fields\Currency;
use Laravel\Nova\Fields\DateTime;
use Laravel\Nova\Http\Requests\NovaRequest;
use App\Models\RepairOrder;
use App\Models\Vehicle;
use Carbon\Carbon;


class AssignTechnicians extends Action
{
    use InteractsWithQueue, Queueable;

    public $name = 'Assign Technicians';

    public function handle(ActionFields $fields, Collection $models)
    {
        foreach ($models as $model) {
            // Clear previous assignments if requested
            if ($fields->clear_previous) {
                $model->technicians()->detach();
            }

            // Assign selected technicians
            foreach ($fields->technicians as $techId) {
                // Check if already assigned
                if (!$model->technicians->contains($techId)) {
                    $model->technicians()->attach($techId, [
                        'is_lead' => in_array($techId, $fields->lead_technicians) ? true : false
                    ]);
                }
            }

            // Update status if needed
            if ($model->status === 'pending') {
                $model->status = 'in_progress';
                $model->assigned_at = Carbon::now();
                $model->started_at = Carbon::now();

                // Update vehicle status
                $vehicle = $model->vehicle;
                $vehicle->status = 'in_repair';
                $vehicle->save();
            }

            $model->save();
        }

        return Action::message('Technicians have been assigned successfully.');
    }

    public function fields(NovaRequest $request): array
    {
        return [
            BelongsToMany::make('Technicians')
                ->rules('required'),

            BelongsToMany::make('Lead Technicians', 'technicians', 'App\Nova\Technician')
                ->help('Select technicians who will lead this repair'),

            Boolean::make('Clear Previous Assignments', 'clear_previous')
                ->help('Remove all previously assigned technicians')
                ->default(false),
        ];
    }
}