<?php

namespace App\Models;

use App\Models\Concerns\HasModuleMedia;
use App\Models\Concerns\InteractsWithActivityLog;
use Illuminate\Database\Eloquent\Attributes\Appends;
use Illuminate\Database\Eloquent\Attributes\Guarded;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Database\Eloquent\SoftDeletes;
use Spatie\MediaLibrary\HasMedia;

#[Guarded(['id'])]
#[Appends(['stock_formatted', 'reject_stock_formatted', 'retail_stock_formatted'])]
class ProductVariant extends Model implements HasMedia
{
    // 1. Use Trait
    use HasFactory, HasModuleMedia, InteractsWithActivityLog, SoftDeletes;

    private const MIN_STOCK = 5;

    protected static function booted(): void
    {
        static::addGlobalScope('ordered', function (Builder $query): void {
            $query->orderBy('name');
        });
    }

    // 2. Casting
    protected function casts(): array
    {
        return [
            'reject_stock' => 'integer',
            'stock' => 'integer',
            'retail_stock' => 'integer',
        ];
    }

    // 4. Attribute
    public function rejectStockFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => number_format($this->reject_stock, 0, ',', '.'),
        );
    }

    public function stockFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => number_format($this->stock, 0, ',', '.'),
        );
    }

    public function retailStockFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => number_format($this->retail_stock, 0, ',', '.'),
        );
    }

    // 5. Other Methods
    public static function mediaModuleName(): string
    {
        return 'product';
    }

    public static function minStock(): int
    {
        return self::MIN_STOCK;
    }

    public function registerMediaCollections(): void
    {
        $this->addMediaCollection('images');
    }

    // 6. Relation
    public function cuttingResults(): HasMany
    {
        return $this->hasMany(CuttingResult::class);
    }

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

    public function prices(): HasMany
    {
        return $this->hasMany(ProductPrice::class, 'variant_id');
    }

    public function product(): BelongsTo
    {
        return $this->belongsTo(Product::class)->withTrashed();
    }

    public function stockMutations(): MorphMany
    {
        return $this->morphMany(StockMutation::class, 'stockable');
    }
}