<?php

namespace App\Models;

use App\Traits\InteractsWithUuid;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Registration extends Model
{
    use HasFactory, InteractsWithUuid;

    protected $table = 't_registration';
    protected $primaryKey = 'id';
    protected $keyType = 'string';
    public $incrementing = false;

    protected $fillable = [
        'registration_number',
        'patient_id',
        'employee_id',
        'service_room_id',
        'insurance_id',
        'created_by',
        'registration_type',
        'patient_type',
        'registration_datetime',
        'discharge_datetime',
        'estimated_discharge',
        'diagnoses',
        'prescriptions',
        'medical_notes',
        'complaint',
        'status',
        'payment_status',
        'need_icu',
        'is_referral',
        'referral_from',
        'is_active'
    ];

    protected $casts = [
        'registration_datetime' => 'datetime',
        'discharge_datetime' => 'datetime',
        'estimated_discharge' => 'datetime',
        'diagnoses' => 'array',
        'prescriptions' => 'array',
        'need_icu' => 'boolean',
        'is_referral' => 'boolean',
        'is_active' => 'boolean',
    ];

    protected $attributes = [
        'registration_type' => 'Rawat Jalan',
        'patient_type' => 'Umum',
        'status' => 'registered',
        'payment_status' => 'unpaid',
        'need_icu' => false,
        'is_referral' => false,
        'is_active' => true,
    ];

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

    public function employee()
    {
        return $this->belongsTo(Employee::class, 'employee_id');
    }

    public function serviceRoom()
    {
        return $this->belongsTo(ServiceRoom::class, 'service_room_id');
    }

    public function insurance()
    {
        return $this->belongsTo(Insurance::class, 'insurance_id');
    }

    public function creator()
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function scopeActive($query)
    {
        return $query->where('is_active', true);
    }

    public function scopeInpatient($query)
    {
        return $query->where('registration_type', 'Rawat Inap');
    }

    public function scopeOutpatient($query)
    {
        return $query->where('registration_type', 'Rawat Jalan');
    }

    public function scopeEmergency($query)
    {
        return $query->where('registration_type', 'UGD');
    }

    // Helpers
    public function isCompleted(): bool
    {
        return $this->status === 'completed';
    }

    public function isPaid(): bool
    {
        return $this->payment_status === 'paid' || $this->payment_status === 'insurance_cover';
    }

    public function getFormattedRegistrationNumber(): string
    {
        return $this->registration_number;
    }
}