<?php

namespace App\Controllers;

use App\Models\PersonelModel;
use Dhiva\Core\DhivaAES;

class PersonelController extends BaseController
{
  protected $personelModel;

  public function __construct()
  {
    $this->personelModel = new PersonelModel();
  }

  /**
   * Get basic profile info by NRP (supports encrypted NRP)
   */
  public function getProfil()
  {
    $inputNrp = $this->request->getGet('nrp');

    if (!$inputNrp) {
      return $this->response(UNAUTHORIZED, 1);
    }

    // Try to decrypt if it's not a numeric NRP
    $nrp = $inputNrp;
    if (!is_numeric($inputNrp)) {
      try {
        $decrypted = DhivaAES::base64url_decode($inputNrp);
        if ($decrypted !== false && !empty($decrypted)) {
          $nrp = $decrypted;
        }
      } catch (\Exception $e) {
        // Keep original if crash
      }
    }

    $personel = $this->personelModel->where('nrp', $nrp)->first();

    if (!$personel) {
      $response = [
        'status' => 'error',
        'message' => 'Personel tidak ditemukan',
        'data' => null
      ];
      return $this->respond($response, 404);
    }

    $response = [
      'status' => 'success',
      'message' => 'Data personel ditemukan',
      'data' => $personel
    ];

    $this->respond($response);
  }

  /**
   * Get full DRH by NRP and OTP (supports encrypted NRP)
   */
  public function getDaftarRiwayatHidup()
  {
    $inputNrp = $this->request->getGet('nrp');
    $otp = $this->request->getGet('otp');

    // Try to decrypt if it's not a numeric NRP
    $nrp = $inputNrp;
    if (!is_numeric($inputNrp)) {
      $nrp = DhivaAES::base64url_decode($inputNrp) ?: $inputNrp;
    }

    if ($otp !== '4444') {
      $this->respond([
        'status' => 'error',
        'message' => 'OTP tidak valid',
        'data' => null
      ], 401);
    }

    if (!$nrp) {
      $this->respond([
        'status' => 'error',
        'message' => 'NRP wajib diisi',
        'data' => null
      ], 400);
    }

    $drh = $this->personelModel->getFullDRH($nrp);

    if (!$drh) {
      $this->respond([
        'status' => 'error',
        'message' => 'Data riwayat hidup tidak ditemukan',
        'data' => null
      ], 404);
    }

    $response = [
      'status' => 'success',
      'message' => 'Data riwayat hidup berhasil diambil',
      'data' => $drh
    ];

    $this->respond($response);
  }

  /**
   * Generate Encrypted URL for Barcode (Admin only)
   */
  public function generateEncryptedLink()
  {
    $json = $this->request->getJSON();
    $nrp = $json ? $json->nrp : $this->request->getPost('nrp');

    if (!$nrp) {
      $this->respond(['status' => 'error', 'message' => 'NRP wajib diisi'], 400);
    }

    $encryptedNrp = DhivaAES::base64url_encode($nrp);

    $response = [
      'status' => 'success',
      'data' => [
        'nrp' => $nrp,
        'encrypted_nrp' => $encryptedNrp,
        'url' => "http://192.168.1.11:4200/kta/profil/" . $encryptedNrp
      ]
    ];

    $this->respond($response);
  }

  private function respond($data, $code = 200)
  {
    header('Content-Type: application/json');
    http_response_code($code);
    echo json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
    die;
  }
}