<?php

namespace App\Vat;

use Komma\KMS\Core\Attributes\MultiSelect;
use Komma\KMS\Core\Attributes\OnOff;
use Komma\KMS\Core\Attributes\TextArea;

use Komma\KMS\Core\Attributes\Attribute;
use Komma\KMS\Core\Attributes\Seperator;
use Komma\KMS\Core\Attributes\TextField;
use Komma\KMS\Core\Attributes\Title;
use Komma\KMS\Core\Sections\Section;
use Komma\KMS\Core\Sections\Tabs\Collections\NoLanguageTabs;
use Komma\KMS\Core\ValidationSet;
use App\Vat\Models\Rate;
use Komma\KMS\Sites\SiteService;
use Komma\KMS\Sites\SiteServiceInterface;
use Komma\KMS\Users\Models\KmsUser;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;

final class VatSection extends Section
{
    protected $slug = "vatrates";

    /**
     * @var SiteServiceInterface
     */
    private $siteService;

    /**
     * UserSection constructor.
     */
    function __construct()
    {
        $tabs = new NoLanguageTabs();
        parent::__construct($tabs, $this->slug);
        $this->siteService = app(SiteServiceInterface::class);
    }

    /**
     * Generates the attributes for this section. They all must extend the App\Kms\Core\Attributes\Attribute class
     *
     * @param Model $currentModel
     * @return Collection A collection of SectionTabItems
     */
    protected function generateAttributes(Model $currentModel = null): Collection
    {
        /** @var KmsUser $user */
        $user = Auth::user();

        //*****************************************************************************************\\
        //*** Define attribute validation sets (Laravel validation rules and message sets)      ***\\
        //*****************************************************************************************\\
        $nameValidationSet = (new ValidationSet())
//            ->setRules('required|unique:users,username')
            ->setRules([
                'required',
                Rule::unique('vatrates', 'name')->ignore($currentModel ? $currentModel->id : null)
            ])
            ->setMessages([
                'required' => __('validation.required'),
                'unique' => __('validation.unique'),
            ]);

        $percentageValidationSet = (new ValidationSet())
            ->setRules([
                'required',
                'integer',
            ])
            ->setMessages([
                'required' => __('validation.required'),
                'integer' => __('shop/vatrates.validation.percentage')
            ]);

        //*****************************************************************************************\\
        //*** Generate the attributes                                                           ***\\
        //*****************************************************************************************\\

        $attributes = [];

        //Build the general attributes and put them in the attributes array
        $attributes[] = (new Title(__('kms/global.information')));

        $attributes[] = (new TextField(__('shop/vatrates.name')))
            ->setReadOnly(false)
            ->setPlaceholderText(__('shop/vatrates.name_placeholder'))
            ->mapValueFrom(Attribute::ValueFromModel, 'name')
            ->setValidationSet($nameValidationSet);

        $attributes[] = (new TextField(__('shop/vatrates.percentage')))
            ->setReadOnly(false)
            ->setPlaceholderText(__('shop/vatrates.percentage_placeholder'))
            ->mapValueFrom(Attribute::ValueFromModel, 'percentage')
            ->setValidationSet($percentageValidationSet);

        $attributes[] = (new TextArea())
            ->setLabelText(__('shop/vatrates.description'))
            ->setPlaceholderText(__('shop/vatrates.description_placeholder'))
            ->mapValueFrom(Attribute::ValueFromModel, 'description');

        if($user->can('markRateAsDefault', Rate::class)) {
            $attributes[] = (new OnOff())
                ->setLabelText(__('shop/vatrates.default'))
                ->setExplanation(__('shop/vatrates.default_description'))
                ->mapValueFrom(Attribute::ValueFromModel, 'default');
        }

        if($user->can('modifyRateSites', Rate::class)) {
            //Site selection
            $attributes[] = (new Seperator());
            $siteOptionModels = $this->siteService->getOptionsForSelect();
            $attributes[] = (new MultiSelect())
                ->setItems($siteOptionModels->toArray())
                ->setLabelText(__('kms/sites.type'))
                ->mapValueFrom(Attribute::ValueFromItself, 'site_id');
        }

        //Return all attributes as a collection
        return collect(array_merge($attributes));
    }
}