<?php

namespace App\Http\Resources\Mis;

use App\Data\UnifiedPatientData;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Support\Carbon;
use Illuminate\Support\Str;

class FormattedPatientResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        if ($this->resource instanceof UnifiedPatientData) {
            $age = $this->formatAge($this->age);

            return [
                'id' => $this->id,
                'patient_uid' => $this->patientUid,
                'source_type' => $this->sourceType,
                'department_patient_id' => $this->departmentPatientId,
                'medical_history_id' => $this->medicalHistoryId,
                'mkb' => $this->mkb,
                'operations' => $this->operations,
                'fullname' => $this->fullname,
                'age' => $age,
                'birth_date' => $this->birthDate ? Carbon::parse($this->birthDate)->format('d.m.Y') : null,
                'patient_kind' => $this->patientKind,
                'admitted_at' => $this->admittedAt ? Carbon::parse($this->admittedAt)->format('d.m.Y H:i') : null,
                'outcome_type' => $this->outcomeType,
                'outcome_date' => $this->outcomeDate,
                'comment' => $this->comment,
                'is_recipient_today' => $this->isRecipientToday,
                'is_manual' => $this->isManual,
                'can_manage_manual' => $this->canManageManual,
            ];
        }

        return [
            'id' => $this->MedicalHistoryID,
            'mkb' => [
                'ds' => $this->outcomeMigration->first()->mainDiagnosis?->mkb?->DS,
                'name' => $this->outcomeMigration->first()->mainDiagnosis?->mkb?->NAME
            ],
            'operations' => $this->surgicalOperations->map(function ($operation) {
                return [
                    'code' => $operation->serviceMedical->ServiceMedicalCode,
                    'name' => $operation->serviceMedical->ServiceMedicalName,
                ];
            }),
            'fullname' => Str::ucwords(Str::lower("$this->FAMILY $this->Name $this->OT")),
            'age' => $this->formatAge(Carbon::parse($this->BD)->diffInYears(Carbon::now(), false)),
            'birth_date' => Carbon::parse($this->BD)->format('d.m.Y'),
            'admitted_at' => $this->DateRecipient ? Carbon::parse($this->DateRecipient)->format('d.m.Y H:i') : null,
            'outcome_type' => $this->when($this->outcome_type, $this->outcome_type),
            'outcome_date' => $this->when($this->outcome_date, $this->outcome_date),
            'comment' => $this->when($this->comment, $this->comment),
            'is_recipient_today' => (bool) ($this->is_recipient_today ?? false),
            'is_manual' => false,
            'can_manage_manual' => false,
        ];
    }

    private function formatAge($value): ?string
    {
        if ($value === null || $value === '') {
            return null;
        }

        $age = abs((int) $value);
        $suffix = $this->ageSuffix($age);

        return "{$age} {$suffix}";
    }

    private function ageSuffix(int $age): string
    {
        $mod100 = $age % 100;
        if ($mod100 >= 11 && $mod100 <= 14) {
            return 'лет';
        }

        return match ($age % 10) {
            1 => 'год',
            2, 3, 4 => 'года',
            default => 'лет',
        };
    }
}