#-*-coding:gb2312-*-
import threading
import time
import os
import re
import sys
from tkinter import *

class CLK():
	def __init__(self, value, unit, flag):
		self.value = float(value)
		self.unit = unit
		self.flag = flag
	
	def __str__(self):
		ret = ""
		ret += str(self.Hz_value) + "Hz\n"
		ret += str(self.KHz_value) + "KHz\n"
		ret += str(self.MHz_value) + "MHz\n"
		ret += str(self.GHz_value) + "GHz\n"
		ret += str(self.THz_value) + "THz\n"
		
		ret += "\n"
		
		ret += str(self.s_value) + "s\n"
		ret += str(self.ms_value) + "ms\n"
		ret += str(self.us_value) + "us\n"
		ret += str(self.ns_value) + "ns\n"
		ret += str(self.ps_value) + "ps\n"
		
		return ret
	
	def cal(self):
		if self.flag == 1: #Hz
			if self.unit == 1: #5Hz
				self.Hz_value    = float(self.value)
				self.KHz_value  = float(self.value / 1000)
				self.MHz_value  = float(self.value / 1000000)
				self.GHz_value  = float(self.value / 1000000000)
				self.THz_value  = float(self.value / 1000000000000)
			elif self.unit == 3:
				self.Hz_value    = float(self.value * 1000)
				self.KHz_value  = float(self.value)
				self.MHz_value  = float(self.value / 1000)
				self.GHz_value  = float(self.value / 1000000)
				self.THz_value  = float(self.value / 1000000000)
			elif self.unit == 6:
				self.Hz_value    = float(self.value * 1000000)
				self.KHz_value  = float(self.value * 1000)
				self.MHz_value  = float(self.value)
				self.GHz_value  = float(self.value / 1000)
				self.THz_value  = float(self.value / 1000000)
			elif self.unit == 9:
				self.Hz_value    = float(self.value * 1000000000)
				self.KHz_value  = float(self.value * 1000000)
				self.MHz_value  = float(self.value * 1000)
				self.GHz_value  = float(self.value)
				self.THz_value  = float(self.value / 1000)
			else:
				self.Hz_value    = float(self.value * 1000000000000)
				self.KHz_value  = float(self.value * 1000000000)
				self.MHz_value  = float(self.value * 1000000)
				self.GHz_value  = float(self.value * 1000)
				self.THz_value  = float(self.value)
			self.s_value     = float(1 / self.Hz_value)
			self.ms_value   = float(1 / self.KHz_value)
			self.us_value    = float(1 / self.MHz_value)
			self.ns_value    = float(1 / self.GHz_value)
			self.ps_value    = float(1 / self.THz_value)
		else: #s
			if self.unit == 1: #5s
				self.s_value   = float(self.value)
				self.ms_value = float(self.value * 1000)
				self.us_value  = float(self.value * 1000000)
				self.ns_value  = float(self.value * 1000000000)
				self.ps_value  = float(self.value * 1000000000000)
			elif self.unit == 3: #5ms
				self.s_value   = float(self.value / 1000)
				self.ms_value = float(self.value )
				self.us_value  = float(self.value * 1000)
				self.ns_value  = float(self.value * 1000000)
				self.ps_value  = float(self.value * 1000000000)
			elif self.unit == 6: #5us
				self.s_value   = float(self.value / 1000000)
				self.ms_value = float(self.value / 1000)
				self.us_value  = float(self.value )
				self.ns_value  = float(self.value * 1000)
				self.ps_value  = float(self.value * 1000000)
			elif self.unit == 9: #5ns
				self.s_value   = float(self.value / 1000000000)
				self.ms_value = float(self.value / 1000000)
				self.us_value  = float(self.value / 1000)
				self.ns_value  = float(self.value)
				self.ps_value  = float(self.value * 1000)
			elif self.unit == 12: #5ps
				self.s_value   = float(self.value / 1000000000000)
				self.ms_value = float(self.value / 1000000000)
				self.us_value  = float(self.value / 1000000)
				self.ns_value  = float(self.value / 1000)
				self.ps_value  = float(self.value)
			self.Hz_value    = float(1 / self.s_value)
			self.KHz_value  = float(1 / self.ms_value)
			self.MHz_value  = float(1 / self.us_value)
			self.GHz_value  = float(1 / self.ns_value)
			self.THz_value  = float(1 / self.ps_value)

	def prt(self):
		ret   = "Frequency:\n"
		ret += "    " + str(self.Hz_value) + " Hz\n"
		ret += "    " + str(self.KHz_value) + " KHz\n"
		ret += "    " + str(self.MHz_value) + " MHz\n"
		ret += "    " + str(self.GHz_value) + " GHz\n"
		ret += "    " + str(self.THz_value) + " THz\n"
		
		ret += "\n"
		
		ret += "Period:\n" 
		ret += "    " + str(self.s_value) + " s\n"
		ret += "    " + str(self.ms_value) + " ms\n"
		ret += "    " + str(self.us_value) + " us\n"
		ret += "    " + str(self.ns_value) + " ns\n"
		ret += "    " + str(self.ps_value) + " ps\n"
		
		return ret

pass

def input_proc(clk):
	input = clk
	res = re.match(r"([\d\.]+)\s*(\w+)", input)
	if res:
		value = res.group(1)
		tmp   = res.group(2)
		unit = 9
		flag = 1
		if tmp.find("M") >= 0:
			unit = 6
			flag = 1 #频率，如900MHz
		elif tmp.find("G") >= 0:
			unit = 9
			flag = 1
		elif tmp.find("T") >= 0:
			unit = 12
			flag = 1
		elif tmp.find("K") >= 0:
			unit = 3
			flag = 1
		elif tmp.find("Hz") >= 0:
			unit = 1
			flag = 1
		elif tmp.find("n") >= 0:
			unit = 9
			flag = 0 #周期，如5ns
		elif tmp.find("m") >= 0:
			unit = 3
			flag = 0
		elif tmp.find("u") >= 0:
			unit = 6
			flag = 0
		elif tmp.find("p") >= 0:
			unit = 12
			flag = 0			
		elif tmp.find("s") >= 0:
			unit = 1
			flag = 0
		else:
			sys.exit(0)

		return CLK(value, unit, flag)
pass

def tk_main():
	
	def update_input():
		input  = e1.get()
		clk = input_proc(input)
		clk.cal()
		ret = clk.prt()
		text3.delete(0.0, END)
		text3.insert(END, ret)
	
	
	root = Tk()
	root.geometry("400x280")
	root.title("懒人时钟计算")
	
	f1 = Frame(root, height = 40, width = 500)
	l1 = Label(f1, text="输入时钟参数")
	l1.pack(side = LEFT)
	e1 = Entry(f1, bd =10, text="100M")
	e1.pack(side = RIGHT)
	f1.pack()
	
	f2 = Frame(root, height = 40, width = 500)
	f2.pack()
	text3 = Text(f2, height = 15, undo=True, autoseparators=False)
	text3.pack(side = RIGHT)
	
	f3 = Frame(root, height = 10, width = 500)
	f3.pack()
	button2 = Button(f3, text='确定', command=update_input)
	button2.pack(side=LEFT)
	button3 = Button(f3, text='退出', command=root.quit)
	button3.pack(side=LEFT)
	
	root.mainloop()
				



def main():
	tk_main()

if __name__ == '__main__':
	main()