<?php

namespace App\Models;

use App\Models\PlanLike;
use App\Presenters\PlanPresenter;
use CyrildeWit\EloquentViewable\Contracts\Viewable;
use CyrildeWit\EloquentViewable\InteractsWithViews;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Laracasts\Presenter\PresentableTrait;

class Plan extends Model implements Viewable
{
    use HasFactory;
    use InteractsWithViews;
    use PresentableTrait;

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

    protected $casts = [
        'type' => 'array',
        'packet1_options' => 'array',
        'packet2_options' => 'array',
        'packet3_options' => 'array',
    ];

    protected $presenter = PlanPresenter::class;

    public function author()
    {
        return $this->belongsToMany(User::class, 'plan_author', 'plan_id', 'user_id');
    }

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

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

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

        return false;
    }

    public function allItems(): array
    {
        $result = [];
        for ($i = 1; $i <= $this->packets_count; $i++) {
            $key = 'packet' . $i . '_options';

            // $data = $this->unserializeOptionsObj($this->$key);
            $data = $this->$key;
            if (!is_null($data)) {
                $result = array_merge($result, data_get($data, 'items', []));
            }
        }

        return array_values(array_unique($result));
    }

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

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

    public function minPrice(): Attribute
    {
        $result = 0;
        for ($i = 1; $i <= $this->packets_count; $i++) {
            $key = 'packet' . $i . '_options';
            // dd($this->$key);
            // $data = $this->unserializeOptionsObj($this->$key);
            $data = $this->$key;
            if (!is_null($data)) {
                $curPrice = (int) data_get($data, 'price', 0);
                $result = $curPrice > $result ? $curPrice : $result;
            }
        }

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

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

        return false;
    }

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

    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 scopeByNegative(Builder $query)
    {
        return static::comments()->where('grade', '<=', '3');
    }

    public function scopeByPositive(Builder $query)
    {
        return static::comments()->where('grade', '>', '3');
    }
}