<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class InvoiceItem extends Model
{
    use HasFactory;

    protected $table = 'invoice_items';

    protected $guarded = [];

    // -------------------------------------------------------------------------
    // Relationships
    // -------------------------------------------------------------------------

    public function invoice()
    {
        return $this->belongsTo(Invoice::class, 'invoice_id');
    }

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

    // -------------------------------------------------------------------------
    // Helpers
    // -------------------------------------------------------------------------

    public function getBillingLabelAttribute(): string
    {
        return match ((int) $this->months) {
            0  => 'One Time',
            1  => 'Monthly',
            3  => 'Quarterly',
            6  => 'Semi-Annually',
            12 => 'Annually',
            24 => '2 Years',
            36 => '3 Years',
            default => $this->months . ' Months',
        };
    }

    public function getTypeLabelAttribute(): string
    {
        return match ($this->type) {
            'service' => 'Dịch vụ',
            'addon'   => 'Addon',
            'upgrade' => 'Nâng cấp',
            default   => ucfirst($this->type),
        };
    }
}