<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Casts\Attribute;
use CyrildeWit\EloquentViewable\InteractsWithViews;
use CyrildeWit\EloquentViewable\Contracts\Viewable;

class Diet extends Model implements Viewable
{
    use HasFactory, InteractsWithViews;


    protected $withCount = [
        'likes',
        'comments',
        'choses'
    ];

    private $allowedDietTypes = [
        'alko',
        'corb',
        'meat',
        'veg'
    ];

    public function author()
    {
        return $this
            ->belongsToMany(User::class, 'diet_author', 'diet_id', 'user_id');
            /*->withDefault(
                [
                    'name' => 'Guest Author',
                    'id' => 0,
                    'profile_photo_url' => 'https://dev2.eatvio.com/storage/profile-photos/mW87tqy9P8O31Dauyvg8f7GowMNMsgt9J6u47T7S.jpg'
                ]
            );*/
    }

    public function comments()
    {
        return $this->hasMany(DietComment::class);
    }

    public function likes(): HasMany
    {
        return $this->hasMany(DietLike::class);
    }

    public function isLiked(): bool
    {
        if (auth()->user()) {
            return auth()->user()->diet_likes()->forDiet($this)->count();
        }

        return false;
    }

    public function removeLike(): bool
    {
        if (auth()->user()) {
            return auth()->user()->diet_likes()->forDiet($this)->delete();
        }

        return false;
    }

    public function types(): Attribute
    {
        $data = $this->unserializeOptionsArr($this->type);

        return new Attribute(
            get: fn() => array_keys($data),
        );
    }

    public function schedules(): Attribute
    {
        $data = $this->unserializeOptionsArr($this->daily_schedule);

        return new Attribute(
            get: fn() => $data,
        );
    }

    public function choses()
    {
        return $this->hasMany(ChosenDiet::class);
    }

    private function unserializeOptionsArr($str)
    {
        if (preg_match('/^".*"$/', $str)) {
            return json_decode(stripslashes(mb_substr($str, 1, -1)), true);
        }
        return json_decode(stripslashes($str), true);
    }

    public function scopeDurationMin(Builder $query, $days): Builder
    {
        return $query->where('duration', '>=', $days);
    }

    public function scopeDurationMax(Builder $query, $days): Builder
    {
        return $query->where('duration', '<=', $days);
    }

    public function scopeInvolvedMin(Builder $query, $number): Builder
    {
        return $query->having('choses_count', '>=', $number);
    }

    public function scopeInvolvedMax(Builder $query, $number): Builder
    {
        return $query->having('choses_count', '<=', $number);
    }

    public function scopeContainsType(Builder $query, $types): Builder
    {
        $i = 0;

        foreach($types as $type) {
            if (in_array($type, $this->allowedDietTypes)) {
                $query = $i == 0
                    ? $query->whereJsonContainsKey('type->' . $type)
                    : $query->orWhereJsonContainsKey('type->' . $type);
                $i++;
            }
        }
        return $query;
    }
}