using UnityEngine;
using System.Collections;
using System;
using System.Net.NetworkInformation;

public class CStaticMethod
{

	/// <summary>获得系统经过的时间</summary>
	/// <returns>int 毫秒</returns>
	public static int SystemAfterTime()
	{
		return (int)(Time.realtimeSinceStartup * 1000);
	}

	/// <summary>帧时间</summary>
	public static int SystemFrameTime()
	{
		return (int)(Time.deltaTime * 1000);
	}

	private static System.Random mRandomFloat = null;

	/// <summary>获得一个0.0到1.0之间的随机数</summary>
	public static float RandomFloat()
	{
		if(mRandomFloat==null)
		{
			mRandomFloat = new System.Random();
		}

		return (float)mRandomFloat.NextDouble();
	}

	/// <summary>随机一个指定区间的整数</summary>
	public static int RandomNext(int nMin, int nMax)
	{
		if(mRandomFloat==null)
		{
			mRandomFloat = new System.Random();
		}

		return mRandomFloat.Next (nMin, nMax); 
	}

	/// <summary>格式化时间</summary>
	public static string FormatTime(float secondValue)
	{
		int intSecond = Mathf.FloorToInt(secondValue);
		//小时
		int hour = Mathf.FloorToInt(secondValue / 60 / 60);
		//分钟
		int minute = Mathf.FloorToInt((secondValue - hour * 60) / 60);
		//秒
		int second = intSecond % 60;

		System.Text.StringBuilder strBuf = new System.Text.StringBuilder();
		if(hour!=0)
		{
			strBuf.Append(hour);
			strBuf.Append(":");
		}

		if (minute == 0)
		{
			strBuf.Append("00");
			strBuf.Append(":");
		}
		else if (minute < 10)
		{
			strBuf.Append("0");
			strBuf.Append(minute);
			strBuf.Append(":");
		}
		else
		{
			strBuf.Append(minute);
			strBuf.Append(":");
		}

		if (second == 0)
		{
			strBuf.Append("00");
		}
		else if (second < 10)
		{
			strBuf.Append("0");
			strBuf.Append(second);
		}
		else
		{
			strBuf.Append(second);
		}

		return strBuf.ToString();
	}

	/// <summary>格式化时间</summary>
	public static string FormatShortTime(float secondValue)
	{
		int intSecond = Mathf.FloorToInt(secondValue);
		//小时
		int hour = Mathf.FloorToInt(secondValue / 60 / 60);
		//分钟
		int minute = Mathf.FloorToInt((secondValue - hour * 60) / 60);
		//秒
		int second = intSecond % 60;

		System.Text.StringBuilder strBuf = new System.Text.StringBuilder ();
		if (minute == 0)
		{
			strBuf.Append("00");
			strBuf.Append(":");
		}
		else if (minute < 10)
		{
			strBuf.Append("0");
			strBuf.Append(minute);
			strBuf.Append(":");
		}
		else
		{
			strBuf.Append(minute);
			strBuf.Append(":");
		}

		if (second == 0)
		{
			strBuf.Append("00");
		}
		else if (second < 10)
		{
			strBuf.Append("0");
			strBuf.Append(second);
		}
		else
		{
			strBuf.Append(second);
		}

		return strBuf.ToString();
	}

	/// <summary>获得资源的名字</summary>
	public static string GetAssetsName(UnityEngine.Object assetsObject, string prefixName)
	{
		System.Text.StringBuilder strBuf = new System.Text.StringBuilder ();
		strBuf.Append (prefixName);
		strBuf.Append (assetsObject.name);
		return strBuf.ToString ();
	}

	/// <summary>是否为编辑器环境</summary>
	public static bool IsEditor
	{
		get
		{
			#if UNITY_EDITOR || UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
			return true;
			#else
			return true;
			#endif
		}
	}

	/// <summary>调试设备地址</summary>
	public static void DebugDeviceMac()
	{
		NetworkInterface[] nis = NetworkInterface.GetAllNetworkInterfaces();
		for (int i = 0; i < nis.Length; i++)
		{
			CDebug.Log("name = " + nis[i].Name);
            CDebug.Log("des = " + nis[i].Description);
            CDebug.Log("type = " + nis[i].NetworkInterfaceType.ToString());
            CDebug.Log("mac = " + nis[i].GetPhysicalAddress().ToString());
            CDebug.Log("---------------------------");
		}
	}

    public static string GetSubjectNameById(int value)
    {
        switch(value)
        {
            case 1: return "化学";
            case 2: return "生物";
            case 3: return "物理";

            default:
                return "未知课程";
        }
    }

    public static int GetSelectIndexByAnswer(string value)
    {
        switch (value)
        {
            case "A": return 0;
            case "B": return 1;
            case "C": return 2;
            case "D": return 3;
            default:
                return -1;
        }
    }

    public static string FormatParagraph(string str, int count)
    {
        var paragraph = "";
        for (int i = 0; i < str.Length; i++)
        {
            paragraph += str[i];
            if (paragraph.Length % count == 0)
            {
                paragraph += "\n";//不需要换行就注掉
            }
        }
        return paragraph;
    }

	public static string SerialId()
    {
        #if UNITY_EDITOR
            return System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces()[0].GetPhysicalAddress().ToString();
        #elif UNITY_ANDROID
            AndroidJavaClass jo = new AndroidJavaClass(className: "android.os.Build");
            string serial = jo.GetStatic<string>(fieldName: "SERIAL");
            return serial;
		#elif UNITY_IPHONE
			return "UNITY_IPHONE";
        #endif
    }

    public static string DeviceType()
    {
#if UNITY_EDITOR
        return "windows";
#elif UNITY_ANDROID
        return "android";
#elif UNITY_IPHONE
		return "ios";
#else
        return "default";
#endif
    }

    public static int CurTimeStamp()
    {
        return (int)((System.DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000);
    }
}