<?php
namespace App\Controllers;

use CodeIgniter\API\ResponseTrait;
use App\Controllers\BaseController;
// use App\Models\PatVisit\PatVisitModel;

class Zones extends BaseController {
	use ResponseTrait;
	
	// protected $model;

	public function __construct() {	
		// $this->model = new PatVisitModel();
	}

    // public function __construct() {
    //     $this->db = \Config\Database::connect();
    //     $this->model = new PatientModel();
    //     $this->rules = [
    //         'PatientID'         => 'required|max_length[50]',
    //         'AlternatePID'      => 'permit_empty|max_length[50]'
    //     ];
    // }

    public function index() {
    
        // Buat instance HTTP client
        $client = \Config\Services::curlrequest();

        try {
            // $response = $client->get('https://services-summit.my.id/api/provinces');
            $response = $client->get('http://crmcomposer.local/api/zones');

            // Ambil body responsenya
            $body = $response->getBody();

            // Decode JSON ke array PHP
            $data = json_decode($body, true);

            return $this->respond(['status'=>'success', 'message'=>"data fetched successfully", 'data'=>$data['data']], 200);
        } catch (\Exception $e) {

            return $this->respond([ 'status' => 'error', 'message' => $e->getMessage() ], 200);
        }

    }

    public function synchronize()
    {
        $client = \Config\Services::curlrequest();
        $zonesModel = new ZonesModel();

        try {
            // 1️⃣ Ambil data dari API pusat (CRM)
            $response = $client->get('https://services-summit.my.id/api/zones');
            $result = json_decode($response->getBody(), true);

            if (!isset($result['data']) || !is_array($result['data'])) {
                return $this->response->setJSON([
                    'status'  => 'error',
                    'message' => 'Invalid or empty response from CRM API'
                ]);
            }

            $crmData = $result['data'];

            // 2️⃣ Ambil semua data zoneid di database lokal
            $localData = $zonesModel->findAll();
            $localIds = array_column($localData, 'zoneid');

            // 3️⃣ Siapkan ID dari data CRM
            $crmIds = array_column($crmData, 'zoneid');

            // Hitung statistik
            $inserted = 0;
            $updated  = 0;
            $deleted  = 0;

            // 4️⃣ Mulai transaksi agar aman
            $db = \Config\Database::connect();
            $db->transStart();

            // 5️⃣ Insert atau Update data
            foreach ($crmData as $zone) {
                if (!isset($zone['zoneid'])) continue;

                $exists = $zonesModel->find($zone['zoneid']);

                if ($exists) {
                    // Update jika sudah ada
                    $zonesModel->update($zone['zoneid'], [
                        'parentzoneid' => $zone['parentzoneid'],
                        'zonecode'     => $zone['zonecode'],
                        'zoneclass'    => $zone['zoneclass'],
                        'zonename'     => $zone['zonename']
                    ]);
                    $updated++;
                } else {
                    // Insert jika belum ada
                    $zonesModel->insert($zone);
                    $inserted++;
                }
            }

            // 6️⃣ Hapus data yang sudah tidak ada di CRM
            foreach ($localIds as $localId) {
                if (!in_array($localId, $crmIds)) {
                    $zonesModel->delete($localId);
                    $deleted++;
                }
            }

            // 7️⃣ Commit transaksi
            $db->transComplete();

            return $this->response->setJSON([
                'status'  => 'success',
                'message' => 'Zones synchronized successfully',
                'summary' => [
                    'inserted' => $inserted,
                    'updated'  => $updated,
                    'deleted'  => $deleted,
                    'total'    => count($crmData)
                ]
            ]);
        } catch (\Exception $e) {
            return $this->response->setJSON([
                'status'  => 'error',
                'message' => $e->getMessage()
            ]);
        }
    }

}