<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Patient extends Model
{
    protected $fillable = [
        'medical_record_number',
        'user_id',
        'nik',
        'place_of_birth',
        'date_of_birth',
        'gender',
        'blood_type',
        'phone',
        'address',
        'emergency_contact_name',
        'emergency_contact_phone',
        'emergency_contact_relation',
        'insurance_type',
        'insurance_number',
    ];

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id', 'id');
    }
    
    public function medicalRecords()
    {
        return $this->hasMany(MedicalRecord::class);
    }

    protected static function booted()
    {
        static::deleting(function ($patient) {
            // Hapus user yang terhubung dengan patient ini
            if ($patient->user) {
                $patient->user->delete();
            }
        });
        
        static::creating(function ($patient) {
            if (empty($patient->medical_record_number)) {
                $prefix = 'RM' . now()->format('ym');

                $latestNumber = static::where('medical_record_number', 'like', $prefix . '%')
                    ->orderByDesc('medical_record_number')
                    ->value('medical_record_number');

                if ($latestNumber) {
                    $nextNumber = ((int) substr($latestNumber, -4)) + 1;
                } else {
                    $nextNumber = 1;
                }

                $patient->medical_record_number = $prefix . str_pad($nextNumber, 4, '0', STR_PAD_LEFT);
            }
        });
    }
}