<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Treatment extends Model
{
    use HasFactory, SoftDeletes;

    protected $fillable = [
        'patient_id',
        'appointment_id',
        'user_id',
        'treatment_code',
        'name',
        'description',
        'sessions_count',
        'sessions_completed',
        'start_date',
        'end_date',
        'status',
        'total_cost',
        'currency_id',
        'notes',
    ];

    protected $casts = [
        'start_date' => 'date',
        'end_date' => 'date',
        'sessions_count' => 'integer',
        'sessions_completed' => 'integer',
        'total_cost' => 'decimal:2',
    ];

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

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

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

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

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