<?php

namespace App\Models\Products;

use App\Models\Orders\ClientGroup;
use App\Traits\BelongsToTenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * @mixin IdeHelperPriceHistory
 */
class PriceHistory extends Model
{
    use BelongsToTenant, SoftDeletes;

    protected $fillable = [
        'tenant_id',
        'item_type_code',
        'item_id',
        'price_type_code',
        'client_group_id',
        'price',
        'started_at',
        'ended_at',
        'created_by',
        'updated_by',
        'deleted_by',
    ];

    protected $casts = [
        'price' => 'decimal:4',
        'started_at' => 'date',
        'ended_at' => 'date',
    ];

    // ClientGroup 관계
    public function clientGroup()
    {
        return $this->belongsTo(ClientGroup::class, 'client_group_id');
    }

    // Polymorphic 관계 (item_type_code에 따라 Product 또는 Material)
    public function item()
    {
        if ($this->item_type_code === 'PRODUCT') {
            return $this->belongsTo(Product::class, 'item_id');
        } elseif ($this->item_type_code === 'MATERIAL') {
            return $this->belongsTo(\App\Models\Materials\Material::class, 'item_id');
        }

        return null;
    }

    // 스코프
    public function scopeForItem($query, string $itemType, int $itemId)
    {
        return $query->where('item_type_code', $itemType)
            ->where('item_id', $itemId);
    }

    public function scopeForClientGroup($query, ?int $clientGroupId)
    {
        return $query->where('client_group_id', $clientGroupId);
    }

    public function scopeValidAt($query, $date)
    {
        return $query->where('started_at', '<=', $date)
            ->where(function ($q) use ($date) {
                $q->whereNull('ended_at')
                    ->orWhere('ended_at', '>=', $date);
            });
    }

    public function scopeSalePrice($query)
    {
        return $query->where('price_type_code', 'SALE');
    }

    public function scopePurchasePrice($query)
    {
        return $query->where('price_type_code', 'PURCHASE');
    }
}