/**
  * Android specific WebClient implementation.
  */

import image_module = require("Image/image");
import app_module = require("Application/application");

export class Client {
    /**
      * Downloads string from url.
      */
    public getString(url: string, successCallback: (result: string) => void, errorCallback?: (e: Error) => void) {
        try {
            if (successCallback) {
                var context = app_module.tk.ui.Application.current.android.context;
                com.koushikdutta.ion.Ion.with(context, url).asString().setCallback(new com.koushikdutta.async.future.FutureCallback({
                    onCompleted: function (e, result) {
                        if (e && errorCallback) {
                            errorCallback(new Error(e.toString()));
                            return;
                        }
                        successCallback(result);
                    }
                }));
            }
        } catch (ex) {

            if (errorCallback) {
                errorCallback(ex);
            }

        }
    }

    public getJSON(url: string, successCallback: (result: Object) => void, errorCallback?: (e: Error) => void) {
        try {
            this.getString(url, function (data) {
                if (successCallback) {
                    successCallback(JSON.parse(data));
                }
            }, errorCallback);
        } catch (ex) {
            if (errorCallback) {
                errorCallback(ex);
            }
        }
    }

    public getImage(url: string, successCallback: (result: image_module.Image) => void, errorCallback?: (e: Error) => void) {
        try {
            if (successCallback) {
                var context = app_module.tk.ui.Application.current.android.context;
                com.koushikdutta.ion.Ion.with(context, url).asBitmap().setCallback(new com.koushikdutta.async.future.FutureCallback({
                    onCompleted: function (e, result) {
                        if (e && errorCallback) {
                            errorCallback(new Error(e.toString()));
                            return;
                        }

                        var image = new image_module.Image();
                        image.loadFromBitmap(result);

                        successCallback(image);
                    }
                }));
            }
        } catch (ex) {

            if (errorCallback) {
                errorCallback(ex);
            }

        }
    }

    private static get(url: string, successCallback: (result: any) => void, errorCallback?: (e: Error) => void) {
        try {

        } catch (ex) {
            if (errorCallback) {
                errorCallback(ex);
            }
        }
    }
}