<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class PricingPlan extends Model
{
    public const PERIODS = ['monthly', 'yearly', 'one-time'];

    protected $fillable = ['product_id', 'name', 'price', 'period', 'description', 'position'];

    protected function casts(): array
    {
        return ['price' => 'decimal:2'];
    }

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

    /**
     * Price formatted for display, e.g. "€9.99" ("€0" for free plans).
     */
    public function formattedPrice(): string
    {
        return (float) $this->price == 0 ? '€0' : '€'.number_format((float) $this->price, 2);
    }
}