<?php

declare(strict_types=1);

namespace App\Nova;

use Illuminate\Support\Str;
use Laravel\Nova\Fields\BelongsTo;
use Laravel\Nova\Fields\Boolean;
use Laravel\Nova\Fields\DateTime;
use Laravel\Nova\Fields\HasMany;
use Laravel\Nova\Fields\ID;
use Laravel\Nova\Fields\Number;
use Laravel\Nova\Fields\Select;
use Laravel\Nova\Fields\Text;
use Laravel\Nova\Fields\Textarea;
use Laravel\Nova\Http\Requests\NovaRequest;
use App\Nova\Actions\DownloadExcel;

final class QuestionResource extends Resource
{
    /**
     * The model the resource corresponds to.
     *
     * @var class-string<\App\Models\Question>
     */
    public static string $model = \App\Models\Question::class;

    /**
     * The single value that should be used to represent the resource when being displayed.
     *
     * @var string
     */
    public static $title = 'text';

    /**
     * The columns that should be searched.
     *
     * @var array
     */
    public static $search = ['id', 'text'];

    /**
     * Indicates if the resource should be displayed in the sidebar.
     *
     * @var bool
     */
    public static $displayInNavigation = true;

    /**
     * The group associated with the resource.
     *
     * @var string
     */
    public static $group = 'Questionnaire';

    /**
     * Get the displayable label of the resource.
     */
    public static function label(): string
    {
        return 'Questions';
    }

    /**
     * Get the displayable singular label of the resource.
     */
    public static function singularLabel(): string
    {
        return 'Question';
    }

    /**
     * Get the fields displayed by the resource.
     *
     * @return array<int, \Laravel\Nova\Fields\Field|\Laravel\Nova\Panel|\Laravel\Nova\ResourceTool|\Illuminate\Http\Resources\MergeValue>
     */
    public function fields(NovaRequest $request): array
    {
        return [
            ID::make()->sortable(),

            Text::make('Question', 'text')
                ->displayUsing(fn ($value) => Str::limit($value, 40))
                ->onlyOnIndex()
                ->sortable(),

            BelongsTo::make('Question Group', 'questionGroup', QuestionGroupResource::class)
                ->sortable()
                ->filterable()
                ->help('The group this question belongs to. Questions are shown together by group in the questionnaire.'),


            Textarea::make('Text')
                ->rules('required')
                ->updateRules('required')
                ->help('The full question text shown to the user in the questionnaire.'),

            Boolean::make('Has Yes')
                ->sortable()
                ->filterable()
                ->help('When enabled, a "Yes" answer option is shown for this question.'),

            Boolean::make('Has No')
                ->sortable()
                ->filterable()
                ->help('When enabled, a "No" answer option is shown for this question.'),

            Boolean::make('Has NA', 'has_na')
                ->sortable()
                ->filterable()
                ->help('When enabled, a "Not Applicable" answer option is shown for this question.'),

            Select::make('Details')
                ->options([
                    'optional' => 'Optional',
                    'required' => 'Required',
                    'req_on_yes' => 'Required on Yes',
                    'req_on_no' => 'Required on No',
                ])
                ->displayUsingLabels()
                ->nullable()
                ->sortable()
                ->filterable()
                ->help('Controls when the user is asked for additional details. "Required" always asks, "Optional" lets the user choose, "Required on Yes/No" only asks when that answer is selected.'),

            Number::make('Sort Order')
                ->sortable()
                ->filterable()
                ->help('Controls the display order within the question group. Lower numbers appear first.'),

            Boolean::make('Is Scored')
                ->sortable()
                ->filterable()
                ->help('When enabled, this question counts toward the total score. A "Yes" answer scores 1 point.'),

            HasMany::make('Answers', 'answers', AnswerResource::class),
        ];
    }

    /**
     * Get the cards available for the request.
     *
     * @return array<int, \Laravel\Nova\Card>
     */
    public function cards(NovaRequest $request): array
    {
        return [];
    }

    /**
     * Get the filters available for the resource.
     *
     * @return array<int, \Laravel\Nova\Filters\Filter>
     */
    public function filters(NovaRequest $request): array
    {
        return [];
    }

    /**
     * Get the lenses available for the resource.
     *
     * @return array<int, \Laravel\Nova\Lenses\Lens>
     */
    public function lenses(NovaRequest $request): array
    {
        return [];
    }

    /**
     * Get the actions available for the resource.
     *
     * @return array<int, \Laravel\Nova\Actions\Action>
     */
    public function actions(NovaRequest $request): array
    {
        return [
            new DownloadExcel,
        ];
    }
}