package com.hdl.photovoltaic.utils;

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

import com.hdl.photovoltaic.R;
import com.hdl.photovoltaic.other.HdlThreadLogic;
import com.hdl.photovoltaic.widget.LoadingDialog;

import java.util.Iterator;
import java.util.Stack;

/**
 * Author: Zoro
 * Date: 2019/6/9
 * Description: This is AppManagerUtils
 */

public class AppManagerUtils {

    private static AppManagerUtils appManagerUtils;

    private LoadingDialog loadingDialog;

    private AppManagerUtils() {
    }

    public static AppManagerUtils getAppManager() {
        if (null == appManagerUtils) {
            synchronized (AppManagerUtils.class) {
                if (null == appManagerUtils) {
                    appManagerUtils = new AppManagerUtils();
                }
            }
        }
        return appManagerUtils;
    }

    /**
     * 获取AppVersion
     *
     * @param context -
     * @return -
     */
    public static String getAppVersion(Context context) {
        String version = "";
        try {
            String packageName = context.getPackageName();
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);
            version = packageInfo.versionName;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return version;
    }

    /**
     * 默认的Activity堆栈
     */
    private Stack<Activity> activityStack;

    /**
     * 添加Activity到堆栈
     */
    public void addActivity(Activity activity) {
        if (activityStack == null) {
            activityStack = new Stack<>();
        }
        activityStack.add(activity);
    }


    /**
     * 移除Activity
     */
    public void removeActivity(Activity activity) {
        if (activity != null) {
            activityStack.remove(activity);
        }
    }

    /**
     * 结束指定类名的Activity
     */
    public void finishActivity(Class<?>... args) {
        Iterator<Activity> iterator = activityStack.listIterator();
        while (iterator.hasNext()) {
            Activity activity = iterator.next();
            for (Class<?> cls : args) {
                if (activity.getClass().equals(cls)) {
                    activity.finish();
                    iterator.remove();
                }
            }
        }
    }

    /**
     * 是否存在类名的Activity
     */
    public boolean existsActivity(Class<?>... args) {
        for (Activity activity : activityStack) {
            for (Class<?> cls : args) {
                if (activity.getClass().equals(cls)) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * 指定一个类名,从指定类名开始移除后面所有Activity
     *
     * @param className   Activity-类名(activity.getClass().getName())
     * @param removeClass 是否移除本身(true-移除)
     */
    public void finishActivity(String className, boolean removeClass) {
        Iterator<Activity> iterator = activityStack.listIterator();
        while (iterator.hasNext()) {
            Activity activity = iterator.next();
            if (activity.getClass().getName().equals(className)) {
                if (removeClass) {
                    activity.finish();
                    iterator.remove();
                }
                break;
            } else {
                activity.finish();
                iterator.remove();
            }
        }

//        int count= activityStack.size() - 1;
//        for (Iterator<Activity> it = activityStack.listIterator(count); it.hasNext(); ) {
//            Activity activity = it.next();
//            System.out.println("移除结束" + activity.getClass().getName());
//            if (activity.getClass().getName().equals(className)) {
//                if (removeClass) {
//                    activity.finish();
//                    it.remove();
//                }
//                break;
//            } else {
//                activity.finish();
//                it.remove();
//            }
//        }
    }

    /**
     * 结束所有Activity
     */
    public void finishAllActivity() {
        if (activityStack == null) {
            return;
        }
        for (int i = 0, size = activityStack.size(); i < size; i++) {
            if (null != activityStack.get(i)) {
                Activity activity = activityStack.get(i);
                if (!activity.isFinishing()) {
                    activity.finish();
                }
            }
        }
        activityStack.clear();
    }


    /**
     * 获取ActivitySize
     */
    public int getActivitySize() {
        return activityStack.size();
    }

    /**
     * 获取当前的Activity
     *
     * @return -
     */
    public Activity getLastActivity() {
        if (activityStack.size() > 0) {
            return activityStack.get(activityStack.size() - 1);
        }
        return null;
    }


    /**
     * 获取LoadingDialog
     *
     * @return LoadingDialog
     */
    public LoadingDialog getLoadingDialog() {
        Activity activity = getLastActivity();
        if (loadingDialog == null && activity != null) {
            loadingDialog = new LoadingDialog(activity, R.style.Custom_Dialog);
        }
        return loadingDialog;
    }

    /**
     * 开始Loading
     */
    public void showLoading() {
        getLoadingDialog().start();
    }

    /**
     * 开始Loading
     *
     * @param mes 自定义文本
     */
    public void showLoading(String mes) {
        getLoadingDialog().start();
        getLoadingDialog().setText(mes);
    }

    /**
     * 停止隐藏Loading
     */
    public void hideLoading() {
        HdlThreadLogic.runMainThread(new Runnable() {
            @Override
            public void run() {
                if (loadingDialog != null && loadingDialog.isShowing()) {
                    loadingDialog.stop();
                }
            }
        }, null, null);
    }


//    /**
//     * 判断当前应用是否是debug状态
//     */
//    public static boolean isApkInDebug(Context context) {
//        try {
//            ApplicationInfo info = context.getApplicationInfo();
//            return (info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
//        } catch (Exception e) {
//            return false;
//        }
//    }


}