<?php

defined("ABSPATH") or die("");

require_once(DUPLICATOR____PATH . '/lib/onedrive/autoload.php');
abstract class DUP_PRO_OneDrive_Config
{

    const ONEDRIVE_CLIENT_ID               = '15fa3a0d-b7ee-447c-8093-7bfcf30b0797';
    const ONEDRIVE_CLIENT_SECRET           = 'ahYN901]gvemuEUKKB45}|_';
    const ONEDRIVE_REDIRECT_URI            = 'https://snapcreek.com/misc/onedrive/redir3.php';
    const ONEDRIVE_ACCESS_SCOPE            = array("onedrive.appfolder", "offline_access");
    const ONEDRIVE_BUSINESS_ACCESS_SCOPE   = array("onedrive.readwrite", "offline_access");
    const MICROSOFT_GRAPH_ENDPOINT         = 'https://graph.microsoft.com/';
    const MSGRAPH_ACCESS_SCOPE             = array(
        'openid',
        'offline_access',
        'files.readwrite.appfolder',
    );
    const MSGRAPH_ALL_FOLDERS_ACCESS_SCOPE = array(
        'openid',
        'offline_access',
        'files.readwrite',
    );
}

class DUP_PRO_Onedrive_U
{
    public static function get_raw_onedrive_client($use_msgraph_api = false)
    {
        $opts = array(
            'client_id' => DUP_PRO_OneDrive_Config::ONEDRIVE_CLIENT_ID,
            'use_msgraph_api' => $use_msgraph_api,
        );
        $opts = self::injectExtraReqArgs($opts);
        $onedrive = new DuplicatorPro\Krizalys\Onedrive\Client($opts);
        return $onedrive;
    }

    public static function get_onedrive_client_from_state($state, $use_msgraph_api = false)
    {
        $opts = array(
            'client_id' => DUP_PRO_OneDrive_Config::ONEDRIVE_CLIENT_ID,
            'state' => $state,
            'use_msgraph_api' => $use_msgraph_api,
        );
        $opts = self::injectExtraReqArgs($opts);
        $onedrive = new DuplicatorPro\Krizalys\Onedrive\Client($opts);
        return $onedrive;
    }

    private static function injectExtraReqArgs($opts)
    {
        $global = DUP_PRO_Global_Entity::get_instance();
        $opts['sslverify'] = $global->ssl_disableverify ? false : true;
        if (!$global->ssl_useservercerts) {
            $opts['ssl_capath'] = DUPLICATOR_PRO_CERT_PATH;
        }
        return $opts;
    }

    public static function get_onedrive_auth_url_and_client($args)
    {
        $onedrive = self::get_raw_onedrive_client($args['use_msgraph_api']);
        $redirect_uri = DUP_PRO_OneDrive_Config::ONEDRIVE_REDIRECT_URI;
        if (!$args['use_msgraph_api'] && $args['is_business']) {
            $onedrive->setBusinessMode();
        }

        $scopes = self::get_scope_array($args);
// Gets a log in URL with sufficient privileges from the OneDrive API.
        $url = $onedrive->getLogInUrl($scopes, $redirect_uri);
        \DUP_PRO_Log::trace($url);
        return ['url' => $url,'client' => $onedrive];
    }

    public static function get_onedrive_logout_url($use_msgraph_api = false)
    {
        if ($use_msgraph_api) {
// Ref.: https://docs.microsoft.com/en-us/onedrive/developer/rest-api/getting-started/graph-oauth?view=odsp-graph-online
            $base_url = "https://login.microsoftonline.com/common/oauth2/v2.0/logout";
            $fields_arr = [
                "client_id" => DUP_PRO_OneDrive_Config::ONEDRIVE_CLIENT_ID,
                "post_logout_redirect_uri" => DUP_PRO_OneDrive_Config::ONEDRIVE_REDIRECT_URI
            ];
            $fields = http_build_query($fields_arr);
        } else {
            $base_url = "https://login.live.com/oauth20_logout.srf";
            $redirect_uri = DUP_PRO_OneDrive_Config::ONEDRIVE_REDIRECT_URI;
            $fields_arr = [
                "client_id" => DUP_PRO_OneDrive_Config::ONEDRIVE_CLIENT_ID,
                "redirect_uri" => DUP_PRO_OneDrive_Config::ONEDRIVE_REDIRECT_URI
            ];
            $fields = http_build_query($fields_arr);
        }

        $logout_url = $base_url . "?$fields";
        return $logout_url;
    }

    public static function get_scope_array($args)
    {
        if ($args['use_msgraph_api']) {
            if ($args['msgraph_all_folders_read_write_perm']) {
                return DUP_PRO_OneDrive_Config::MSGRAPH_ALL_FOLDERS_ACCESS_SCOPE;
            } else {
                return DUP_PRO_OneDrive_Config::MSGRAPH_ACCESS_SCOPE;
            }
        } else {
            if (!$args['is_business']) {
                return DUP_PRO_OneDrive_Config::ONEDRIVE_ACCESS_SCOPE;
            } else {
                return DUP_PRO_OneDrive_Config::ONEDRIVE_BUSINESS_ACCESS_SCOPE;
            }
        }
    }
}
