package store.panda.client.presentation.screens.cartandordering.payment;

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.TaskStackBuilder;
import android.support.v7.app.AlertDialog;
import android.support.v7.widget.Toolbar;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;
import android.widget.ViewFlipper;

import com.transitionseverywhere.TransitionManager;

import javax.inject.Inject;

import butterknife.BindView;
import butterknife.ButterKnife;
import ru.handh.jin.R;
import store.panda.client.data.model.Cart;
import store.panda.client.domain.analytics.PandaoAnalytics;
import store.panda.client.presentation.base.BaseDaggerActivity;
import store.panda.client.presentation.screens.main.MainActivity;
import store.panda.client.presentation.screens.orders.order.screen.OrdersHistoryActivity;
import store.panda.client.presentation.util.ViewUtil;

/**
 * Created by Konstantin Aleksashin on 20.07.17.
 */

public class PaymentActivity extends BaseDaggerActivity implements PaymentMvpView {
    private static final String PAYMENT_LINK_SUCCESS = "/payment/success";
    private static final String PAYMENT_LINK_FAIL = "/payment/fail";
    private static final String BUNDLE_PAYMENT_FINISHED = "payment_finished";

    private static final int VIEW_PAYMENT = 0;
    private static final int VIEW_CLEAR_CART_PROGRESS = 1;

    public static final String EXTRA_PAYMENT_LINK = "ru.handh.jin.EXTRA.paymentLink";
    public static final String EXTRA_CART = "cart";

    @BindView(R.id.webView) WebView webView;
    @BindView(R.id.toolbarPayment) Toolbar toolbarPayment;
    @BindView(R.id.viewFlipper) ViewFlipper viewFlipper;
    @BindView(R.id.progressBar) ProgressBar progressBar;

    private boolean paymentFinished;

    public static Intent createStartIntent(Context context, @NonNull String paymentLink, @NonNull Cart cart) {
        PandaoAnalytics.trackShared(PandaoAnalytics.PandaoEvent.TRANSITION_TO_PAYMENT);
        PandaoAnalytics.track(PandaoAnalytics.PandaoEvent.TRANSITION_TO_PAYMENT);
        Intent intent = new Intent(context, PaymentActivity.class);
        intent.putExtra(EXTRA_PAYMENT_LINK, paymentLink);
        intent.putExtra(EXTRA_CART, cart);
        return intent;
    }

    @Inject PaymentPresenter paymentPresenter;

    @SuppressLint("SetJavaScriptEnabled")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        activityComponent().inject(this);
        setContentView(R.layout.activity_payment);
        ButterKnife.bind(this);
        paymentPresenter.attachView(this);
        toolbarPayment.setTitle(R.string.cart_order_payment_screen_title);
        ViewUtil.showCrossOnToolbarAndSetFinishClick(this, toolbarPayment);

        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webView.setWebViewClient(new MyWebViewClient());

        if (null != savedInstanceState) {
            paymentFinished = savedInstanceState.getBoolean(BUNDLE_PAYMENT_FINISHED, false);
        }
        paymentPresenter.onViewCreate(getIntent().getExtras().getString(EXTRA_PAYMENT_LINK), paymentFinished);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putBoolean(BUNDLE_PAYMENT_FINISHED, paymentFinished);
    }

    @Override
    protected void onDestroy() {
        webView.destroy();
        paymentPresenter.detachView();
        super.onDestroy();
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        // Check if the key event was the Back button and if there's history
        if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack() && viewFlipper.getDisplayedChild() == VIEW_PAYMENT) {
            webView.goBack();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public void loadUrl(String url) {
        webView.loadUrl(url);
    }

    @Override
    public void showSuccessView() {
        TaskStackBuilder.create(this)
                .addNextIntentWithParentStack(MainActivity.createStartIntent(this))
                .addNextIntent(OrdersHistoryActivity.createStartIntent(this, true))
                .startActivities();
    }

    @Override
    public void setPaymentFinishedState() {
        paymentFinished = true;
    }

    @Override
    public void showErrorPaymentDialog() {
        new AlertDialog.Builder(this)
                .setTitle(R.string.cart_order_payment_fail_alert_title)
                .setMessage(R.string.cart_order_payment_fail_alert_details)
                .setCancelable(false)
                .setPositiveButton(R.string.dialog_action_ok, (dialog, which) -> finish())
                .show();
    }

    @Override
    public void showClearCartProgressView() {
        if (viewFlipper.getDisplayedChild() != VIEW_CLEAR_CART_PROGRESS) {
            viewFlipper.setDisplayedChild(VIEW_CLEAR_CART_PROGRESS);
        }
    }

    private class MyWebViewClient extends WebViewClient {

        @SuppressWarnings("deprecation")
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return shouldOverrideUrlLoading(url);
        }

        @TargetApi(Build.VERSION_CODES.LOLLIPOP)
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
            return shouldOverrideUrlLoading(request.getUrl().getPath());
        }

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            if (!checkUrl(url)) {
                progressBar.setVisibility(View.VISIBLE);
            } else {
                webView.stopLoading();
            }
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            TransitionManager.beginDelayedTransition(viewFlipper);
            checkUrl(url);
            progressBar.setVisibility(View.GONE);
        }

        private boolean shouldOverrideUrlLoading(String url) {
            return checkUrl(url);
        }
    }

    private boolean checkUrl(String url) {
        if (url.contains(PAYMENT_LINK_SUCCESS)) {
            paymentPresenter.performSuccessfullPayment(getIntent().getParcelableExtra(EXTRA_CART));
            return true;
        } else if (url.contains(PAYMENT_LINK_FAIL)) {
            paymentPresenter.performFailPayment();
            return true;
        }
        return false;
    }

    @Override
    public void hideWebView() {
        webView.setVisibility(View.INVISIBLE);
    }
}