<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Support\Arr;

use App\Traits\PhotosTrait;
use App\Traits\ContentElementTrait;
use App\Traits\AppendAttributesTrait;
use App\Utilities\PageLink;

use App\Contracts\SearchResultContract;
use App\Utilities\SearchResult;

class YoutubeVideo extends Model implements SearchResultContract
{
    use HasFactory;
    use ContentElementTrait;
    use PhotosTrait;
    use AppendAttributesTrait;

    protected $with = ['photos'];
    protected $appends = ['banner'];

    protected $cast = [
        'full_width' => 'boolean',
    ];

    public function saveContent(array $input, $id = null)
    {
        if ($id >= 1) {
            $youtube_video = YoutubeVideo::findOrFail($id);
            $duplicate_photos = false;
        } else {
            $youtube_video = new YoutubeVideo();
            $duplicate_photos = true;
        }

        $youtube_video->video_id = Arr::get($input, 'video_id');
        $youtube_video->title = Arr::get($input, 'title');
        $youtube_video->full_width = Arr::get($input, 'full_width');
        $youtube_video->header = Arr::get($input, 'header');
        $youtube_video->body = Arr::get($input, 'body');

        $youtube_video->save();

        $youtube_video->saveSinglePhoto($input, $duplicate_photos);

        cache()->tags([cache_name($youtube_video)])->flush();
        return $youtube_video;
    }

    public function getBannerAttribute()
    {
        return $this->photos->first();
    }

    public function getBodyAttribute($value)
    {
        return $this->convertAttributeLinks($value, 'body');
    }

    public function getSearchFieldsAttribute()
    {
        return [
            'title',
            'header',
            'body',
        ];
    }

    public function getSearchResultTitle($default = null)
    {
        if (mb_strlen($this->title) > 0) {
            return $this->title;
        } elseif (mb_strlen($this->header) > 0) {
            return $this->header;
        }
        return $default;
    }

    public function getSearchResultPreview($terms)
    {
        return SearchResult::truncatePreview(strip_tags($this->body) ? $this->body : $this->header, $terms);
    }

    public function getSearchResultRank($terms)
    {
        $rank = 0;
        foreach ($terms as $term) {
            $rank += mb_substr_count($this->title, $term) * $this->headerRankMultiplier;
            $rank += mb_substr_count($this->header, $term) * $this->headerRankMultiplier;
            $rank += mb_substr_count($this->body, $term) * $this->bodyRankMultiplier;
        }
        return $rank;
    }
}