<?php

namespace local_adonis;

require_once("exceptions.php");
require_once("crew.php");

class Adonis {
    public $base_url, $username, $password, $lifetime;

    public static $USER_AGENT = "AdonisPHP/dev (https://kumi.systems)";

    public static $CREW_PORTAL = 0;
    public static $INTEGRATION = 1;

    public static $INTEGRATION_PATH = "/AIWS/AdonisIntegrationWebService.svc/";
    public static $CREW_PORTAL_PATH = "/AdonisWebServices/CrewPortalWebService.svc/";

    function __construct($base_url, $username, $password, $lifetime = 30) {
        $this->base_url = $base_url;
        $this->username = $username;
        $this->password = $password;
        $this->lifetime = $lifetime;
    }

    function request($endpoint, $payload, $api = null, $add_token = true, $wrap_request = true, $extract_response = true) {
        if ($api == null) {
            $api = $this::$CREW_PORTAL;
        }

        $service_url = ($api == $this::$CREW_PORTAL) ? $this::$CREW_PORTAL_PATH : $this::$INTEGRATION_PATH;
        
        $headers = array();

        $headers[] = "User-Agent: " . $this::$USER_AGENT;
        $headers[] = "Content-Type: application/json";
        $headers[] = "Accept: application/json";

        if ($add_token == true) {
            $payload["Authentication_Token"] = $this->getToken($api);
        }

        if ($wrap_request == true) {
            $payload = array("request" => $payload);
        }

        $req_data = json_encode($payload);

        $req = curl_init($this->base_url . $service_url . $endpoint);
        curl_setopt($req, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($req, CURLOPT_POST, true);
        curl_setopt($req, CURLOPT_POSTFIELDS, $req_data);
        curl_setopt($req, CURLOPT_RETURNTRANSFER, true);

        $res_raw = curl_exec($req);
        curl_close($req);

        $res = json_decode($res_raw, true);

        if ($extract_response == true) {
            $res = $res[$endpoint . "Result"];
        }

        if ($res["Authentication_Approved"] != 1) {
            throw new AdonisAuthenticationDeniedException();
        }

        if ($res["ErrorText"]) {
            throw new AdonisException($res["ErrorText"]);
        }

        return $res;
    }

    function getToken($api) {
        $data = array("credentials" => array(
            "Login" => $this->username,
            "Password" => $this->password,
            "LifeTime" => $this->lifetime
            ));

        $res = $this->request("GNL_API_AUTHENTICATION", $data, $api, false, false, true);
        return $res["Authentication_Token"];
    }

    function getCrewPersonalData($pin) {
        $data = array("Pin" => $pin);
        $res = $this->request("DG_GeneralDetailsRead", $data, $this::$CREW_PORTAL);
        return $res;
    }

    function getCrewProfilePicture($pin) {
        $data = array("Pin" => $pin);
        try {
            $res = $this->request("DG_ProfilePictureRead", $data, $this::$CREW_PORTAL);
        } catch (AdonisAuthenticationDeniedException $e) {
            throw $e;
        } catch (AdonisException $e) {
            return;
        }

        return $res["FileBase64"];
    }

    function getCrew($pin, $personal_data = True, $profile_picture = True) {
        $crew = new Crew();
        $crew->pin = $pin;

        if ($personal_data) {
            $crew->personal_data = $this->getCrewPersonalData($pin);
        }

        if ($profile_picture) {
            $crew->profile_picture = $this->getCrewProfilePicture($pin);
        }

        return $crew;
    }

    function getCrewListView($view, $filters = "", $pagination = "None", $paginate_by = "", $page = "") {
        $data = array(
            "View" => $view,
            "Filter" => $filters,
            "Pagination" => $pagination,
            "RowsByPage" => $paginate_by,
            "Page" => $page
        );

        try {
            $res = $this->request("GNL_APMCrewListViews", $data, $this::$INTEGRATION);
        } catch (AdonisAuthenticationDeniedException $e) {
            throw $e;
        } catch (AdonisException $e) {
            return;
        }

        return $res;

    }

    function getRequirements($view, $paginate_by = 100) {
        $requirements = array();
        $page_num = 1;

        while (true) {
            $page = $this->getCrewListView($view, "", "True", (string) $paginate_by, (string) $page_num);

            foreach ($page["Result"] as $record) {
                $requirements[] = $record;
            }

            if ($page["CurrentPage"] == $page["TotalPages"]) {
                break;
            }

            $page_num += 1;
        }

        return $requirements;
    }

}