package io.appium.uiautomator2.handler;

import android.support.test.uiautomator.UiObjectNotFoundException;

import org.json.JSONException;
import org.json.JSONObject;

import io.appium.uiautomator2.common.exceptions.InvalidCoordinatesException;
import io.appium.uiautomator2.handler.request.SafeRequestHandler;
import io.appium.uiautomator2.http.AppiumResponse;
import io.appium.uiautomator2.http.IHttpRequest;
import io.appium.uiautomator2.model.AndroidElement;
import io.appium.uiautomator2.model.KnownElements;
import io.appium.uiautomator2.server.WDStatus;
import io.appium.uiautomator2.utils.Logger;
import io.appium.uiautomator2.utils.Point;
import io.appium.uiautomator2.utils.PositionHelper;

import static io.appium.uiautomator2.utils.Device.getUiDevice;

public class Click extends SafeRequestHandler {

    public Click(String mappedUri) {
        super(mappedUri);
    }

    @Override
    public AppiumResponse safeHandle(IHttpRequest request) {
        try {

            JSONObject payload = getPayload(request);
            if (payload.has("elementId")) {
                Logger.info("Click element command");
                String id = payload.getString("elementId");
                AndroidElement element = KnownElements.getElementFromCache(id);
                if (element == null) {
                    return new AppiumResponse(getSessionId(request), WDStatus.NO_SUCH_ELEMENT, "Element Not found");
                }
                element.click();
            } else {
                Logger.info("tap command");
                Point coords = new Point(Double.parseDouble(payload.get("x").toString()),
                        Double.parseDouble(payload.get("y").toString()));
                coords = PositionHelper.getDeviceAbsPos(coords);
                final boolean res = getUiDevice().click(coords.x.intValue(), coords.y.intValue());
                return new AppiumResponse(getSessionId(request), res);
            }
            getUiDevice().waitForIdle();
        } catch (UiObjectNotFoundException e) {
            Logger.error("Element not found: ", e);
            return new AppiumResponse(getSessionId(request), WDStatus.NO_SUCH_ELEMENT, e);
        } catch (JSONException e) {
            Logger.error("Exception while reading JSON: ", e);
            return new AppiumResponse(getSessionId(request), WDStatus.JSON_DECODER_ERROR, e);
        } catch (InvalidCoordinatesException e) {
            Logger.error("The coordinates provided to an interactions operation are invalid. ", e);
            return new AppiumResponse(getSessionId(request), WDStatus.INVALID_ELEMENT_COORDINATES, e);
        }
        return new AppiumResponse(getSessionId(request), true);
    }
}