package com.minishopsteam.minishops;

import org.apache.http.Header;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.BinaryHttpResponseHandler;
import com.loopj.android.http.RequestParams;

import android.util.Log;

public class ServerCommunicator {
    private static ServerCommunicator instance = null;
    private static final String BASE_URL = "http://minishops.azurewebsites.net/api/";
    private AsyncHttpClient httpClient = new AsyncHttpClient();
    private static final String TAG = "ServerCommunicator";
    private boolean isClientAuthenticated;

    public static ServerCommunicator getServerCommunicator(){
        if(instance == null)
            instance = new ServerCommunicator();
        return instance;
    }

    private ServerCommunicator(){
        this.isClientAuthenticated = false;
    }

    private void get(String url, RequestParams params, AsyncHttpResponseHandler responseHandler){
        httpClient.get(getAbsoluteUrl(url), params, responseHandler);
    }
    private void post(String url, RequestParams params, AsyncHttpResponseHandler responseHandler){
        httpClient.post(getAbsoluteUrl(url), params, responseHandler);
    }
    private void put(String url, RequestParams params, AsyncHttpResponseHandler responseHandler){
        httpClient.put(getAbsoluteUrl(url), params, responseHandler);
    }
    private String getAbsoluteUrl(String relativeUrl) {
        return BASE_URL + relativeUrl;
    }

    private AsyncHttpResponseHandler getDataUpdatedHandler(final String message){
        return new AsyncHttpResponseHandler(){
            @Override
            public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
                Log.v(TAG, message);
                Log.v(TAG, "Status of the request : " + statusCode);
            }
        };
    }

    public boolean validateUser(String userId, String userPassword){
        if(isClientAuthenticated == false){
            this.get("user/" + userId + "/pasword/" + userPassword, null, new AsyncHttpResponseHandler(){
                @Override
                public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
                    if(statusCode == 200)
                        isClientAuthenticated = true;
                }
            });
        }
        return isClientAuthenticated;
    }
    public void getUser(String id, AsyncHttpResponseHandler responseHandler) {
        this.get("user/" + id , null, responseHandler);
    }
    public void addUser(RequestParams parameters, AsyncHttpResponseHandler responseHandler){
        this.post("user/" , parameters, responseHandler);
    }
    public void getImage(String imageId, BinaryHttpResponseHandler responseHandler) {
        this.get("pictures/" + imageId, null, responseHandler);
    }
    public void updateUser(String userId, RequestParams parameters){
        this.put("user/" + userId, parameters, getDataUpdatedHandler("User : " + userId + " was updated with the following parameters : " + parameters.toString()));
    }
    public void updateName(String userId, String newName) {
        this.put("user/" + userId + "/name/" + newName , null, getDataUpdatedHandler("Name updated for user : " + userId + ", new name is : " + newName));
    }
    public void updateEmail(String userId, String newEmail) {
        this.put("user/" + userId + "/email/" + newEmail, null, getDataUpdatedHandler("Email updated for user : " + userId + ", new email is : " + newEmail));
    }
}