<?php

namespace App\Models;

use Database\Factories\ServiceEntryFactory;
use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

#[Fillable([
    'report_period_id',
    'service_catalog_id',
    'provider_department_id',
    'recipient_department_id',
    'quantity',
    'unit_price',
])]
class ServiceEntry extends Model
{
    /** @use HasFactory<ServiceEntryFactory> */
    use HasFactory;

    /**
     * Get the period that owns the service entry.
     *
     * @return BelongsTo<ReportPeriod, $this>
     */
    public function reportPeriod(): BelongsTo
    {
        return $this->belongsTo(ReportPeriod::class);
    }

    /**
     * Get the service definition for the entry.
     *
     * @return BelongsTo<ServiceCatalog, $this>
     */
    public function serviceCatalog(): BelongsTo
    {
        return $this->belongsTo(ServiceCatalog::class);
    }

    /**
     * Get the provider department.
     *
     * @return BelongsTo<Department, $this>
     */
    public function providerDepartment(): BelongsTo
    {
        return $this->belongsTo(Department::class, 'provider_department_id');
    }

    /**
     * Get the recipient department.
     *
     * @return BelongsTo<Department, $this>
     */
    public function recipientDepartment(): BelongsTo
    {
        return $this->belongsTo(Department::class, 'recipient_department_id');
    }

    /**
     * Get the total amount for the entry.
     */
    public function totalAmount(): float
    {
        return round((float) $this->quantity * (float) $this->unit_price, 2);
    }

    /**
     * Get the attributes that should be cast.
     *
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'quantity' => 'decimal:2',
            'unit_price' => 'decimal:2',
        ];
    }
}