package com.yiwen.mobike.utils;

import android.app.Activity;
import android.app.ActivityManager;
import android.app.PendingIntent;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.location.LocationManager;
import android.net.Uri;
import android.os.PowerManager;
import android.provider.Settings;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.Window;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.TextView;

import com.yiwen.mobike.R;
import com.yiwen.mobike.views.SelectDialog;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;



public class Utils {
    private static PowerManager.WakeLock mWakeLock;
    public static InputMethodManager imm;
    Activity activity;
    public Utils(Activity activity){
        this.activity=activity;
        if(imm==null)
        imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
    }
    public  void hideIMM() {
        imm.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(),
                InputMethodManager.HIDE_NOT_ALWAYS);
    }

    public  void showIMM() {
        imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN);
    }

    // 距离转换
    public static String distanceFormatter(int distance) {
        if (distance < 1000) {
            return distance + "米";
        } else if (distance % 1000 == 0) {
            return distance / 1000 + "公里";
        } else {
            DecimalFormat df = new DecimalFormat("0.0");
            int a1 = distance / 1000; // 十位

            double a2 = distance % 1000;
            double a3 = a2 / 1000; // 得到个位

            String result = df.format(a3);
            double total = Double.parseDouble(result) + a1;
            return total + "公里";
        }
    }

    // 时间转换
    public static String timeFormatter(int minute) {
        if (minute < 60) {
            return minute + "分钟";
        } else if (minute % 60 == 0) {
            return minute / 60 + "小时";
        } else {
            int hour = minute / 60;
            int minute1 = minute % 60;
            return hour + "小时" + minute1 + "分钟";
        }
    }

    public static int dp2px(Context context, int dp) {
        float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dp * scale + 0.5f);
    }

    public static int px2dp(Context context, int px) {
        float scale = context.getResources().getDisplayMetrics().density;
        return (int) (px / scale + 0.5f);
    }

    public static int getScreenWidth(Context context) {
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);
        return outMetrics.widthPixels;
    }

    public static void setSpannableStr(TextView textView, String str, int startIndex, int endIndex, float proporation) {
        SpannableString spannableString = new SpannableString(str);
        ForegroundColorSpan colorSpan = new ForegroundColorSpan(Color.parseColor("#393939"));
        spannableString.setSpan(colorSpan, startIndex, endIndex, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
        RelativeSizeSpan sizeSpan01 = new RelativeSizeSpan(proporation);
        spannableString.setSpan(sizeSpan01, startIndex, endIndex, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);

        textView.setText(spannableString);
    }

    public static String getDateFromMillisecond(Long millisecond) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = new Date(millisecond);
        String dateStr = simpleDateFormat.format(date);
        return dateStr;
    }

    public static void acquireWakeLock(Context context) {
        if (null == mWakeLock) {
            PowerManager pm = (PowerManager) context
                    .getSystemService(Context.POWER_SERVICE);
            mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");
            mWakeLock.setReferenceCounted(true);
            if (null != mWakeLock) {
                mWakeLock.acquire();
            }
        }
    }

    // 释放设备电源锁
    public static void releaseWakeLock() {
        if (null != mWakeLock) {
            mWakeLock.release();
            mWakeLock = null;
        }
    }

    /**
     *判断当前应用程序处于前台还是后台
     */
    public static boolean isTopActivity(final Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
        if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (topActivity.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }
    public static boolean isServiceWork(Context mContext, String serviceName) {
        boolean isWork = false;
        ActivityManager myAM = (ActivityManager) mContext
                .getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningServiceInfo> myList = myAM.getRunningServices(1000);
        if (myList.size() <= 0) {
            return false;
        }
        int size = myList.size();
        for (int i = 0; i < size; i++) {
            String mName = myList.get(i).service.getClassName().toString();
            Log.d("yiwen","mName="+mName);
            if (mName.equals(serviceName)) {
                isWork = true;
                break;
            }
        }
        return isWork;
    }
    /**
     * 判断GPS是否开启，GPS或者AGPS开启一个就认为是开启的
     * @param context
     * @return true 表示开启
     */
    public static final boolean isGpsOPen(final Context context) {
        LocationManager locationManager
                = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
        // 通过GPS卫星定位，定位级别可以精确到街（通过24颗卫星定位，在室外和空旷的地方定位准确、速度快）
        boolean gps = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
        // 通过WLAN或移动网络(3G/2G)确定的位置（也称作AGPS，辅助GPS定位。主要用于在室内或遮盖物（建筑群或茂密的深林等）密集的地方定位）
        boolean network = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
        if (gps ) {
            return true;
        }

        return false;
    }
    /**
     * 强制帮用户打开GPS
     * @param context
     */
    public static final void openGPS(Context context) {
        Intent GPSIntent = new Intent();
        GPSIntent.setClassName("com.android.settings",
                "com.android.settings.widget.SettingsAppWidgetProvider");
        GPSIntent.addCategory("android.intent.category.ALTERNATIVE");
        GPSIntent.setData(Uri.parse("custom:3"));
        try {
            PendingIntent.getBroadcast(context, 0, GPSIntent, 0).send();
        } catch (PendingIntent.CanceledException e) {
            e.printStackTrace();
        }
    }

    public static void turnGPSOn(Context context) {
        Intent intent = new Intent("Android.location.GPS_ENABLED_CHANGE");
        intent.putExtra("enabled", true);
        context.sendBroadcast(intent);

        String provider = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
        if (!provider.contains("gps")) { //if gps is disabled
            final Intent poke = new Intent();
            poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
            poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
            poke.setData(Uri.parse("3"));
            context.sendBroadcast(poke);
        }
    }

    public static void showDialog(Context context){
        SelectDialog selectDialog = new SelectDialog(context, R.style.dialog);//创建Dialog并设置样式主题
        Window win = selectDialog.getWindow();
        WindowManager.LayoutParams params = new WindowManager.LayoutParams();
//        params.x = -80;//设置x坐标
//        params.y = -60;//设置y坐标
        params.gravity = Gravity.CENTER;
        win.setAttributes(params);
        selectDialog.setCanceledOnTouchOutside(true);//设置点击Dialog外部任意区域关闭Dialog
        selectDialog.show();

    }
    public static final String APP_BAIDU_MAP = "com.baidu.BaiduMap";
    public static final String APP_AMAP = "com.autonavi.minimap";
    /**
     * 检测是否有某个应用
     * */
    public static boolean hasApp(Context ctx, String packageName) {
        PackageManager manager = ctx.getPackageManager();
        List<PackageInfo> apps = manager.getInstalledPackages(0);
        if (apps != null) {
            for (int i = 0; i < apps.size(); i++) {
                if (apps.get(i).packageName.equals(packageName)) {
                    return true;
                }
            }
        }
        return false;
    }
}