/**
 * API main functions
 * 
 * @author Pierre HUBERT
 */

/**
 * Make an API request
 * 
 * @param {String} apiURI The URI to call in the API
 * @param {Object} params The params to include in request
 * @param {Function} nextAction What to do next
 */
ComunicWeb.common.network.makeAPIrequest = function(apiURI, params, nextAction){
    //Prepare the request URL
    var requestURL = ComunicWeb.__config.apiURL + apiURI;
    
    //Prepare data to send in request
    var count = 0;
    var datas = "";
    for(paramName in params){
        //We add a "&" if it isn't the first param
        if(count != 0)
            datas += "&";

        //We add field value
        datas += encodeURIComponent(paramName) + "=" + encodeURIComponent(params[paramName]);

        count++; //Increment counter
    }

    //Create request
    var apiXHR = new XMLHttpRequest();
    apiXHR.open("POST", requestURL);

    //Prepare request response
    apiXHR.onreadystatechange = function(){
        //We continue only if request is terminated
        if(apiXHR.readyState == 4){
            //Prepare result
            var result = {};

            //We can do the next step
            nextAction(apiXHR.responseText);
        }
    }

    //Set request headers
    apiXHR.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

    //Submit request
    apiXHR.send(datas);
};