import { Dictionary, RawResponse } from './Result';

export class APIUtil {
    public static test(): void {
        var api = new APIUtil();
        var queryMap = new Dictionary();
        var url = "https://liap.condowlogp.com/api/getUserInfo?merchantId=&serviceId=";
        var authorization = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX2lkIjoiNWY5MTFmNWMtMGZmYS00NjhlLTgxYjgtOWQ4ODUxMjdmYmYzIiwidG9rZW5faWQiOiJlZTFlMTgwNC03YWIxLTQyN2MtYWM2Zi1iYjEwMzFiZTczYjIiLCJpYXQiOjE2MDYyNjkyNzN9.I6U2c3tBwMWM5ZcFg3-N_uIFontQzX85blEw2h2L4esfFRa6R4oCXBibEGF9xITcMIJTxICI3renSbFVnOACM_9TAMIdbE-W6pdtfKqRTlpL2fXRITZMAN69_anAr5Y1PJGtgzslDEE1rFlAmL-aOjoaserBHA8XuD8TRYz9VlL4gGPu7sNdiFmhtHF2iATcmgeif8kLpodAXK3zPvWEqXIhXALZTK31U6GQo0WUwm7DELReuYUcDlLWROsLdHpI913EvJY7bY9T1NzSEDDpHXgCnFVvtOpix0-Ip7RGYTzQd4bYxx3pFJmU8qLPi1Rugw4CsbWVi7CdQIcZnEr-qg";
        
        api.requestAPI(
            url, queryMap, authorization, "", _ => {
                console.log(_);
            });
    }

	public requestAPI(
		url: string, 
		queryStringMap: Dictionary, 
		authorization: string, 
		body: string, 
		callback: (result: RawResponse) => void): void
	{
        var _url = url;
        var buf = "";
        // 將query 拼接成字串
        if (Object.keys(queryStringMap).length > 0)
        {
            for (var key in queryStringMap) {
                var value = queryStringMap[key];
    
                if (buf.length > 0) {
                    buf = buf + "&";
                }
    
                buf = `${buf}${key}=${value}`;
            }

            _url = `${_url}?${buf}`;
        }

        var method = body.length == 0 ? "GET" : "POST";

        var xhr = cc.loader.getXMLHttpRequest();
        xhr.onreadystatechange = function() {
            if (xhr.readyState !== 4)
                return;

            //cc.log('xhr.readyState=' + xhr.readyState + '  xhr.status=' + xhr.status);
            
            var rawResponse = new RawResponse();
            rawResponse.StatusCode = xhr.status;
            
            if (xhr.status >= 200 && xhr.status < 300) {
                rawResponse.Exception = "";
                rawResponse.Data = xhr.responseText;
            }
            else {
                rawResponse.Exception = xhr.statusText;
                rawResponse.Data = "";
            }

            callback(rawResponse);
        };
        xhr.onerror = function() {
            var rawResponse = new RawResponse();
            rawResponse.StatusCode = xhr.status;
            rawResponse.Exception = xhr.statusText;
            rawResponse.Data = "";

            callback(rawResponse);
        };
        xhr.open(method, _url, true);

        if (authorization.length > 0) {
            xhr.setRequestHeader("Authorization", authorization);
        }

        if (body.length > 0) {
            xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
        }

        xhr.send(body);
	}
}