<?php

namespace modules\site\views;

use Site;
use Closure;
use Listings;
use bff\view\Page;
use bff\view\Banner;
use modules\geo\views\MapBlock;
use modules\listings\views\CategoriesBlock;
use modules\listings\views\QuickItemsBlock;
use modules\listings\views\LatestItemsBlock;
use modules\listings\views\PremiumItemsBlock;
use modules\listings\views\search\FilterBlock;

/**
 * Index page
 * @copyright Tamaranga
 */
class IndexPage extends Page
{
    /** @var string */
    public $filterView = 'listings';
    /** @var array */
    protected $filterViewOptions = [];
    
    public function init()
    {
        parent::init();

        $this->setTemplate('index', 'site');
        $this->setKey('index');
        $this->withSeoSettings('index', 'site');
        $this->setTitle(_t('@site', 'Home Page'));
        $this->useBlocksRotation();

        $this->filterViewOptions = [
            'none' => ['title' => _t('@', 'No'), 'block' => function () {
                return null;
            }],
            'listings' => ['title' => _t('@listings', 'Listings'), 'block' => function () {
                return FilterBlock::i();
            }],
        ];
    }

    public function blocks()
    {
        $this->addBlock('welcomeBlock', IndexWelcomeBlock::class, function (IndexWelcomeBlock $block) {
            $block->title = &$this->titleh1;
        });
        $this->rotateBlock('welcomeBlock', false);

        $this->addBlock('categoriesBlock', CategoriesBlock::class);

        if (Listings::geoFilterEnabled()) {
            $this->addBlock('mapBlock', MapBlock::class);
        }

        $this->addBlock('premiumItemsBlock', PremiumItemsBlock::class);

        $this->addBlock('quickItemsBlock', QuickItemsBlock::class);

        $this->addBlock('latestItemsBlock', LatestItemsBlock::class);

        $this->addBlock('promoBlock', IndexPromoBlock::class);

        $this->banners();
    }

    public function banners()
    {
        $list = [
            'site_index_1',
            'site_index_2',
            'site_index_3',
            'site_index_4',
            'site_index_5',
        ];

        $i = 1;
        foreach ($list as $position) {
            $this->addBanner('banner_' . $position, $position, function (Banner $banner) use ($i) {
                $banner->setTitle(_t('@site', 'Banner [num]', ['num' => $i]));
                $banner->setTemplate('index/banner', 'site');
                $banner->setKey('banner' . $i);
            });
            $i++;
        }
    }

    public function data()
    {
        $data = parent::data();

        $this->buildFilterView($this->filterView);

        return $data;
    }

    public function buildFilterView($view = null)
    {
        if (! array_key_exists($view, $this->filterViewOptions)) {
            $view = array_key_first($this->filterViewOptions);
        }
        $block = call_user_func($this->filterViewOptions[$view]['block']);
        if ($block) {
            $this->view->afterRender('filter', static function () use ($block) {
                return $block;
            });
        }
    }

    /**
     * Register filter view
     * @param string $view id
     * @param string $title
     * @param Closure $block callable with returns: Block instance, string, null
     */
    public function registerFilterView(string $view, string $title, Closure $block)
    {
        $this->filterViewOptions[$view] = [
            'title' => $title,
            'block' => $block,
        ];
    }

    public function seoSettings()
    {
        $this->seo
            ->titleH1(true, _t('@site', 'H1 Title'))
            ->seotext()
            ->social();
    }

    public function seo()
    {
        $this->seo->canonicalUrl(
            Site::url('index', [], true)
        );
        $this->seoApply();
    }

    public function settingsForm($form)
    {
        $form->radio('filterView', _t('@site', 'Search Filter'), $this->filterView, function () {
            $options = [];
            foreach ($this->filterViewOptions as $view => $option) {
                $options[$view] = $option['title'];
            }
            return $options;
        })->hidden(sizeof($this->filterViewOptions) <= 1);
    }

    public function settings()
    {
        return [
            'filterView',
        ];
    }
}