<?php

namespace App\Controllers;

use App\Models\ResultFormatter;
use CodeIgniter\API\ResponseTrait;

class Bko extends BaseController
{
    use ResponseTrait;
    protected $request;
    public function __construct()
    {
        $this->request = $request = \Config\Services::request();
    }
    public function index()
    {
        return [];
    }

    public function apigate()
    {

        $endpoints = array(
            'generics' => array('POST')
        );

        $call_backend =  true; // sometimes we need to overwite the call to the extenstion API
        $local_out = [];       // use local out to send output when the result is not from the extenstion
        $ret = -1;


        header("Access-Control-Allow-Origin: *");
        header("Access-Control-Expose-Headers: Access-Control-Allow-Origin");
        header("Access-Control-Allow-Headers: Cache-Control, Pragma, Origin, Authorization, Content-Type, X-Requested-With");
        header("Access-Control-Allow-Methods: POST, GET, PUT, DELETE, OPTIONS");
        header('Content-type: application/json');

        if ("OPTIONS" === $_SERVER['REQUEST_METHOD']) {
            exit();
        }

        $uri = urldecode(current_url(true));
        $findme = '?';
        $pos = strpos($uri, $findme);
        if ($pos > 5) {
            $uri = substr($uri, 0, $pos);
        }
        log_message('critical', "API-GATE URI -> ".$uri );
        $pieces = explode('/', $uri);
        $psc = count($pieces);

        $endpoint = $psc > 0 ? $pieces[$psc - 1] : '';
        log_message('critical', "Enpoint-> ".$endpoint );

     //   $endpoint = strtolower(str_replace('/svs/bko/', '', strtok($_SERVER['REQUEST_URI'], '?')));

        log_message('critical', "BkoApi Path GATE 001 endpoint = $endpoint");

        $id = 0; // update, get & delete actions require ID
        if (substr($endpoint, 0, 19) == 'gettransportrequest' || substr($endpoint, 0, 13) == 'updateprofile') {
            $endpoint = strtok($endpoint, '/');
            $id = strtok('/');
        }

        if (!isset($endpoints[$endpoint])) {
            header('HTTP/1.1 400 Bad Request');
            header('Status: 400 Bad Request');
            echo "{\"status\":\"Invalid endpoint url WRB\"}";
            exit();
        }

        $methods = $endpoints[$endpoint];

        if (array_search($_SERVER['REQUEST_METHOD'], $methods) === false) {
            header('HTTP/1.1 405 Method Not Allowed');
            header('Status: 405 Method Not Allowed');
            echo "{\"status\":\"Invalid request method\"}";
            exit();
        }

        if ($_SERVER["REQUEST_METHOD"] == "POST") {
            $in = $this->flatten(json_decode(file_get_contents('php://input'), true));
        }
        if ($_SERVER["REQUEST_METHOD"] == "PUT") {
            parse_str(file_get_contents('php://input'), $in);
        }
        if ($_SERVER["REQUEST_METHOD"] == "GET") {
            $in = $_GET;
        }
        $in["loc"] = $_SERVER["REMOTE_ADDR"];
        switch ($endpoint) {
            case 'generics':
                break;
        }

        $in["pid"] = 100;

        $out = array();
        if ( $call_backend ==  true){
            $wrenchboard = new  \App\Models\BackendModel();
            $ret = $wrenchboard->wrenchboard_api($in, $out);
            $out['internal_return'] = $ret; // this is reserved array parameter - to be captured and received before you use the out array()
        }
        else
        {
            $out =  $local_out;
        }


        header("HTTP/1.1 200 OK");
        header("Status: 200 OK");
        echo json_encode(( new ResultFormatter() )->processOutJson($in, $out));
        exit();
    }
    function flatten($data, $parentkey = "") {
        $result = array();
        foreach ($data as $key => $val) {
            if (is_array($val)) {
                $result = array_merge($result, flatten($val, $parentkey . $key . "_"));
            } else {
                $result[$parentkey . $key] = $val;
            }
        }
        return $result;
    }
}