<?php

namespace Zoomyboy\Social\Classes;

use Event;
use Illuminate\Support\Collection;
use Media\Classes\MediaLibrary;
use Zoomyboy\Social\Models\Page;
use Zoomyboy\Social\Models\Setting;

abstract class SocialService {

    protected $page;
    protected $media;

    abstract public function getType(): string;

    public function __construct()
    {
        $this->media = MediaLibrary::instance();
    }

    protected function setPage(Page $page): self
    {
        $this->page = $page;

        return $this;
    }

    public function clearAll(): void
    {
        foreach ($this->pages() as $page) {
            $this->setPage($page)->clear();
        }
    }

    public function syncAll(): void
    {
        foreach ($this->pages() as $page) {
            $this->setPage($page)->sync();
        }
    }

    public function pages(): Collection
    {
        return Page::where('type', $this->getType())->get();
    }

    public function clear() {
        $this->page->delete();
    }

    public function cleanOutdated(): void
    {
        if (!is_numeric(Setting::get('max_posts'))) {
            return;
        }

        while ($this->page->posts()->count() > 0 && $this->page->posts()->count() > Setting::get('max_posts')) {
            $this->page->posts()->orderBy('created_at')->first()->delete();
        }
    }

    public function saveUrl(string $source, ?string $filename = null): string
    {
        $filename = $filename ?: pathinfo(parse_url($source, PHP_URL_PATH), PATHINFO_BASENAME);
        $file = $this->page->mediaPath.$filename;

        if (!$this->media->exists($file)) {
            $this->media->put($file, file_get_contents($source));
            Event::fire('media.file.upload', [null, $file, null]);
        }

        return $file;
    }

}