<?php

namespace Modules\Internal\Transformers;

use Illuminate\Http\Resources\Json\JsonResource;
use Carbon\Carbon;

class ReportPhrResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request
     * @return array
     */
    public function toArray($request)
    {
        $doctor_name = null;

        if ($this->doctor && $this->doctor->user && $this->doctor->user->detail) {
            $doctor_name = $this->doctor->user->detail->sTitlePrefix . ' ' . $this->doctor->user->fullname;
        }

        // Process the plan
        $plan = [];
        if ($this->summary && $this->summary->sPlan) {
            $plan = $this->processPlan($this->summary->sPlan);
        }

        $data = [
            'id' => $this->nID,
            'healthcare' => $this->healthCare ? $this->healthCare->sHealthCare : null,
            'patient_name' => $this->user ? $this->user->sFirstName : null,
            'doctor_name' => $doctor_name,
            'specialis' => $this->doctor ? $this->doctor->speciality->sSpesialis : null,
            'date_consultation' => $this->summary ? Carbon::parse($this->dCreateOn)->format('Y-m-d H:i:s') : null ,
            'subject' => $this->summary ? $this->summary->sSubjective : null,
            'object' => $this->summary ? $this->summary->sObjective : null,
            'assessment' => $this->summary ? $this->summary->sAssessment : null,
            'plan' =>  $plan,
        ];

        return $data;
    }

    // Function to determine if a string is serialized
    private function is_serialized($string) {
        return ($string == 'b:0;' || @unserialize($string) !== false);
    }

    // Function to determine if a string is JSON
    private function is_json($string) {
        json_decode($string);
        return (json_last_error() == JSON_ERROR_NONE);
    }

    // Function to safely process the plan
    private function processPlan($sPlan) {
        if ($this->is_serialized($sPlan)) {
            $unserializedPlan = @unserialize($sPlan);
            if ($unserializedPlan !== false || $sPlan === 'b:0;') {
                return $unserializedPlan;
            }
        } elseif ($this->is_json($sPlan)) {
            $jsonPlan = json_decode($sPlan, true);
            if (json_last_error() == JSON_ERROR_NONE) {
                return $jsonPlan;
            }
        }
        return $sPlan; // Treat as plain text if not serialized or JSON
    }
}