<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Storage;
use File;

/**
 * App\MediaFile
 *
 * @property int $id
 * @property string|null $path 子資料夾路徑
 * @property string $file_name 檔名
 * @property string|null $ext 副檔名
 * @property int|null $disk_id disk名稱
 * @property int|null $media_source_id 外部來源id
 * @property int|null $size 檔案大小
 * @property int|null $width 圖片寬度
 * @property int|null $height 圖片高度
 * @property string|null $mime_type 檔案的Mime Type
 * @property int $is_app_media 是否為網站的媒體檔案
 * @property string|null $description 描述
 * @property int|null $media_category_id 媒體分類
 * @property int|null $user_id 所屬使用者
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read \App\Disk|null $disk
 * @property-read mixed $file_name_with_path
 * @property-read mixed $file_path
 * @property-read mixed $url
 * @property-read mixed $youtube_embed_url
 * @property-read \App\MediaCategory|null $mediaCategory
 * @property-read \App\MediaSource|null $mediaSource
 * @property-read \App\User|null $user
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile category($categoryId)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile isAppMedia()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile query()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile uncategorized()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile userMedia($userId)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereDescription($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereDiskId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereExt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereFileName($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereHeight($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereIsAppMedia($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereMediaCategoryId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereMediaSourceId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereMimeType($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile wherePath($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereSize($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereUpdatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereUserId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\MediaFile whereWidth($value)
 * @mixin \Eloquent
 */
class MediaFile extends Model
{
    protected $dispatchesEvents = [
        'deleted' => \App\Events\MediaFileDeletedEvent::class
    ];

    protected $fillable = [
        'path',
        'file_name',
        'ext',
        'disk_id',
        'media_source_id',
        'size',
        'width',
        'height',
        'is_app_media',
        'user_id',
        'mime_type',
        'description'
    ];

    protected $hidden = [
        'path',
        'ext',
        'disk_id',
        'disk',
        'is_app_media',
        'user_id'
    ];

    public function getUrlAttribute()
    {
        return Storage::disk($this->disk->name)->url(trim($this->path, '/'). '/' . trim($this->file_name, '/'));
    }

    public function getFilePathAttribute()
    {
        return Storage::disk($this->disk->name)->path(trim($this->path, '/'). '/' . trim($this->file_name, '/'));
    }

    public function getFileNameWithPathAttribute()
    {
        return trim(trim($this->path, '/') . '/' . $this->file_name, '/');
    }

    public function getYoutubeEmbedUrlAttribute()
    {
        $mediaSource = $this->mediaSource;
        if($mediaSource && 'youtube' == $mediaSource->name) {
            return "https://www.youtube.com/embed/$this->file_name";
        }
        return '';
    }

    /**
     * @param \Illuminate\Database\Query\Builder $query
     *
     * @return \Illuminate\Database\Query\Builder
     */
    public function scopeUncategorized($query)
    {
        return $query->where('media_category_id', null);
    }

    /**
     * @param \Illuminate\Database\Query\Builder $query
     *
     * @return \Illuminate\Database\Query\Builder
     */
    public function scopeCategory($query, $categoryId)
    {
        return $query->where('media_category_id', $categoryId);
    }

    /**
     * @param \Illuminate\Database\Query\Builder $query
     *
     * @return \Illuminate\Database\Query\Builder
     */
    public function scopeIsAppMedia($query)
    {
        return $query->where('is_app_media', true);
    }

    /**
     * @param \Illuminate\Database\Query\Builder $query
     *
     * @return \Illuminate\Database\Query\Builder
     */
    public function scopeUserMedia($query, $userId)
    {
        return $query->where('is_app_media', false)->where('user_id', $userId);
    }

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function disk()
    {
        return $this->belongsTo(Disk::class);
    }

    public function mediaCategory()
    {
        return $this->belongsTo(MediaCategory::class);
    }

    public function mediaSource()
    {
        return $this->belongsTo(MediaSource::class);
    }
}