<?php

namespace Silva\Adrema\Components;

use Illuminate\Support\Collection;
use Cms\Classes\ComponentBase;
use Cms\Classes\Page;
use Silva\Adrema\Exceptions\ComponentException;
use Silva\Adrema\Models\Settings;
use Silva\Adrema\Support\FetchAllEvents;

abstract class EventManager extends ComponentBase
{

    public array $settings = [];
    public ?array $event = null;
    public array $eventMeta = [];

    /** @var Collection<int, mixed> */
    public Collection $events;
    public string $currentUrl;
    abstract protected function isRegistering(): bool;

    public function componentDetails()
    {
        $componentName = str(class_basename(static::class))->snake();

        return [
            'name' => __("{$componentName}_component_name"),
            'description' => __("{$componentName}_component_description"),
        ];
    }

    public function onRun()
    {
        $this->addAssets();
        $this->loadColors();
        $this->loadSettings();
        $this->loadSingleEvent();
        $this->page['breadcrumbs'] = $this->getBreadcrumbs();
    }

    private function getBreadcrumbs(): Collection
    {
        $breadcrumbs = collect([]);
        $breadcrumbs->push(['url' => $this->settings['indexUrl'], 'title' => 'Veranstaltungen', 'isActive' => $this->event === null]);

        if ($this->event) {
            $breadcrumbs->push([
                'url' => (string) str($this->settings['singleUrl'])->replace(':slug', $this->event['slug']),
                'title' => $this->event['name'],
                'isActive' => !$this->isRegistering()
            ]);
        }

        if ($this->event && $this->isRegistering()) {
            $breadcrumbs->push([
                'url' => (string) str($this->settings['registerUrl'])->replace(':slug', $this->event['slug']),
                'title' => 'Anmeldung',
                'isActive' => true,
            ]);
        }

        return $breadcrumbs;
    }

    public function defineProperties()
    {
        return [
            'indexPage' => [
                'title' => __('properties.index_page_title'),
                'type' => 'dropdown',
                'default' => null,
            ],
            'singlePage' => [
                'title' => __('properties.single_page_title'),
                'type' => 'dropdown',
                'default' => null,
            ],
            'registerPage' => [
                'title' => __('properties.register_page_title'),
                'type' => 'dropdown',
                'default' => null,
            ],
            'eventSlug' => [
                'title' => __('properties.event_slug_title'),
                'type' => 'text',
                'default' => null,
            ],
        ];
    }

    public function getIndexPageOptions(): array
    {
        return $this->pageOptions();
    }

    public function getSinglePageOptions(): array
    {
        return $this->pageOptions();
    }

    public function getRegisterPageOptions(): array
    {
        return $this->pageOptions();
    }

    private function pageOptions(): array
    {
        return Page::get()
            ->mapWithKeys(fn ($page) => [$page->fileName => $page->title])
            ->toArray();
    }

    private function getPageFromProperty(string $property): Page
    {
        throw_if(!$this->property('indexPage') || !$this->property('singlePage') || !$this->property('registerPage'), ComponentException::class, 'not_all_pages_set');

        $page = Page::find($this->property($property));
        throw_if($page === null, ComponentException::class, 'page_not_found');

        return $page;
    }

    /**
     * @return array<string, string>
     */
    private function resolvePageUrls(): array
    {
        $indexPage = $this->getPageFromProperty('indexPage');
        $singlePage = $this->getPageFromProperty('singlePage');
        $registerPage = $this->getPageFromProperty('registerPage');

        throw_if(!str($singlePage->url)->contains(':slug'), ComponentException::class, 'slug_not_found');
        throw_if(!str($registerPage->url)->contains(':slug'), ComponentException::class, 'slug_not_found');

        return [
            'indexUrl' => $indexPage->url,
            'singleUrl' => $singlePage->url,
            'registerUrl' => $registerPage->url,
        ];
    }

    protected function loadSingleEvent(): void
    {
        $eventSlug = $this->property('eventSlug');

        if (!$eventSlug) {
            return;
        }

        $this->eventMeta = data_get(app(FetchAllEvents::class)->run(), 'meta', []);
        $this->events = $this->page['events'] = collect(app(FetchAllEvents::class)->run()['data']);
        $this->event = $this->page['event'] = $this->events->first(fn ($event) => $event['slug'] == $eventSlug);
        $this->currentUrl = url()->current();
    }

    private function addAssets(): void
    {
        // $this->addJs('assets/vendor/adrema-form/dist/main.js');
        $this->addJs('http://localhost:5174/src/main.js', ['type' => 'module']);
    }

    private function loadSettings(): void
    {
        $this->settings = [
            ...$this->settings,
            ...$this->resolvePageUrls(),
        ];
    }

    protected function loadColors(): void
    {
        $this->settings = [
            ...$this->settings,
            'primary_color' => Settings::get('primary_color'),
        ];
    }
}