package com.xw.common.utils

import android.annotation.SuppressLint
import android.app.Activity
import android.app.Service
import android.content.Context
import android.graphics.Point
import android.os.Vibrator
import android.util.DisplayMetrics
import android.view.WindowManager
import android.view.inputmethod.InputMethodManager
import android.widget.EditText
import com.xw.common.utils.LogUtils.e
import java.io.File
import java.io.FileInputStream
import java.io.FileOutputStream
import java.io.IOException

object ToolUtil {
    val TAG = "zmc-ToolUtil"

    private var dm: DisplayMetrics? = null

    fun getDefaultDisplay(context: Context): DisplayMetrics {
        if (dm == null) {
            dm = context.resources.displayMetrics
        }
        return dm!!
    }

    /**
     * 显示与隐藏顶部状态栏
     *
     * @param enable
     */
    fun fullscreen(activity: Activity, enable: Boolean) {
        val lp = activity.getWindow().getAttributes()
        if (enable) { // 全屏隐藏状态栏
            lp.flags = lp.flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
            activity.getWindow().setAttributes(lp)
            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
        } else { //显示状态栏
            lp.flags = lp.flags and (WindowManager.LayoutParams.FLAG_FULLSCREEN.inv())
            activity.getWindow().setAttributes(lp)
            activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
        }
    }

    //打开软键盘
    fun openKeyBord(editText: EditText, context: Context) {
        editText.setFocusable(true)
        editText.setFocusableInTouchMode(true)
        editText.requestFocus()
        val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.showSoftInput(editText, InputMethodManager.SHOW_FORCED)
        imm.toggleSoftInput(
            InputMethodManager.SHOW_FORCED,
            InputMethodManager.HIDE_IMPLICIT_ONLY
        )
    }


    //关闭软键盘
    fun closeKeybord(editText: EditText, context: Context) {
        val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.hideSoftInputFromWindow(editText.getWindowToken(), 0)
    }

    // 屏幕像素点
    private val screenSize = Point()

    // 获取屏幕像素点
    fun getScreenSize(context: Activity?): Point {
        if (context == null) {
            return screenSize
        }
        val wm = context
            .getSystemService(Context.WINDOW_SERVICE) as WindowManager?
        if (wm != null) {
            val mDisplayMetrics = DisplayMetrics()
            val diplay = wm.getDefaultDisplay()
            if (diplay != null) {
                diplay.getMetrics(mDisplayMetrics)
                val W = mDisplayMetrics.widthPixels
                val H = mDisplayMetrics.heightPixels
                if (W * H > 0 && (W > screenSize.x || H > screenSize.y)) {
                    screenSize.set(W, H)
                }
            }
        }
        return screenSize
    }

    /**
     * 震动milliseconds毫秒
     */
    @SuppressLint("MissingPermission")
    fun vibrate(milliseconds: Long) {
        val vib = AppGlobals.getApplication().getSystemService(Service.VIBRATOR_SERVICE) as Vibrator
        vib.vibrate(milliseconds)
    }

    /**
     * 复制单个文件
     *
     * @param oldName String 原文件路径+文件名 如：data/user/0/com.test/files/abc.txt
     * @param newName String 复制后路径+文件名 如：data/user/0/com.test/cache/abc.txt
     * @return `true` if and only if the file was copied;
     * `false` otherwise
     */
    fun copyFile(oldName: String, newName: String?): Boolean {
        var fileInputStream: FileInputStream? = null
        var fileOutputStream: FileOutputStream? = null
        try {
            val oldFile = File(oldName)
            if (!oldFile.exists()) {
                e(TAG, "copyFile:  oldFile not exist.")
                return false
            } else if (!oldFile.isFile()) {
                e(TAG, "copyFile:  oldFile not file.")
                return false
            } else if (!oldFile.canRead()) {
                e(TAG, "copyFile:  oldFile cannot read.")
                return false
            }

            fileInputStream = FileInputStream(oldName) //读入原文件
            fileOutputStream = FileOutputStream(newName)
            val buffer = ByteArray(1024)
            var byteRead: Int
            while ((fileInputStream.read(buffer).also { byteRead = it }) != -1) {
                fileOutputStream.write(buffer, 0, byteRead)
            }
            setPermission(newName)
            return true
        } catch (e: Exception) {
            e.printStackTrace()
            return false
        } finally {
            try {
                if (fileInputStream != null) {
                    fileInputStream.close()
                }
                if (fileOutputStream != null) {
                    fileOutputStream.flush()
                    fileOutputStream.close()
                }
            } catch (e: IOException) {
                e.printStackTrace()
            }
        }
    }


    //修改文件权限
    fun setPermission(absolutePath: String?) {
        val command = "chmod " + "777" + " " + absolutePath
        val runtime = Runtime.getRuntime()
        try {
            runtime.exec(command)
        } catch (e: IOException) {
            e.printStackTrace()
        }
    }
}