package com.example.basecore.util;


import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Point;
import android.os.Build;
import android.os.Handler;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.example.basecore.R;

import java.lang.reflect.Field;

/**
 * 视频业务toast
 */
public class ToastUtils {
    private static Field sFieldTN = null;
    private static Field sFiledHandler = null;

    static {
        if (deviceNeedHookToast()) {
            try {
                sFieldTN = Toast.class.getDeclaredField("mTN");
                sFieldTN.setAccessible(true);

                sFiledHandler = sFieldTN.getType().getDeclaredField("mHandler");
                sFiledHandler.setAccessible(true);
            } catch (NoSuchFieldException e) {
                // ignore
            }
        }
    }

    private static boolean deviceNeedHookToast() {
        return Build.VERSION.SDK_INT <= 25;
    }

    private static String oldMsg;
    protected static Toast toastInstance = null;


    /**
     * 中间单个toast显示
     */
    public static void showToast(Context context,String s) {
        try {
            if (toastInstance != null){
                toastInstance.cancel();
                toastInstance = null;
            }
            toastInstance = makeToast(context, s, Toast.LENGTH_SHORT);
            show(toastInstance);
        } catch (Exception e) {
        }
    }

    private static Toast makeToast(Context context, CharSequence text, int duration) {
        Toast toast = new Toast(context);
        LayoutInflater inflate = (LayoutInflater)
                context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View contentView = inflate.inflate(R.layout.video_toast, null);
        FrameLayout toastContainer = contentView.findViewById(R.id.toastContainer);
        TextView textView = contentView.findViewById(R.id.textView);
        textView.setText(text);
        toast.setView(contentView);
        toast.setDuration(duration);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            toast.addCallback(new Toast.Callback() {
                @Override
                public void onToastHidden() {
                    super.onToastHidden();
                    if (toastInstance != null) {
                        toastInstance.cancel();
                        toastInstance = null;
                    }
                }
            });
        }

        if (isVertical(context)) {
            int height = ScreenUtils.getDeviceScreenHeight(context);
            toast.setGravity(Gravity.TOP, 0, height / 2);

            ViewGroup.LayoutParams params = toastContainer.getLayoutParams();
            params.height = height / 4;
            toastContainer.setLayoutParams(params);
        } else {
            WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
            Point sizes = new Point();
            windowManager.getDefaultDisplay().getRealSize(sizes);
            ViewGroup.LayoutParams params = toastContainer.getLayoutParams();
            params.width = sizes.x;
            params.height = sizes.y -ScreenUtils.getDeviceScreenHeight(context) * 2;
            toastContainer.setLayoutParams(params);
        }

        checkIfNeedHookToastHandler(toast);

        return toast;
    }

    private static boolean isVertical(Context context) {
        return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
    }

    //检查是否需要对 toast 进行 hook，如果需要则进行 hook
    private static void checkIfNeedHookToastHandler(Toast toast) {
        if (deviceNeedHookToast()) {
            hookToastHandler(toast);
        }
    }

    private static void hookToastHandler(Toast toast) {
        try {
            Object tn = sFieldTN.get(toast);
            Handler preHandler = (Handler) sFiledHandler.get(tn);
            sFiledHandler.set(tn, new ToastHandlerWarp(preHandler));

        } catch (Exception e) {
            // ignore
        }
    }

    private static void show(Toast toast) {
        checkIfNeedHookToastHandler(toast);
        toast.show();
    }
}