#!/usr/bin/env python
#
# Copyright (c) 2002-2003, Bill McKinnon (billm@interloper.net)
# All rights reserved.
#
# Use this code however you like. Disclaimer:
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import sys, os, thread, winsound
from time import sleep
from Tkinter import *

SND = "%s/media/ding.wav" % os.environ['windir']
SND_REPS = 5

def changeTimer(root, var, startTime, breakTime):
    """Function to change timer label text as time passes. Runs in a separate
       thread.
    """
    val = startTime
    while 1:
        if val > 0:
            var.set("%s" % val)
            sleep(1)
            val = val - 1
        else:
            if os.path.exists(SND):
                for i in range(SND_REPS):
                    winsound.PlaySound(SND, 0)

            # Do a countdown of break time
            breakVal = breakTime
            while breakVal > 0:
                var.set("BREAK: %s" % breakVal)
                sleep(1)
                breakVal = breakVal - 1
            # Now reset things for previous timer and start again.
            val = startTime
            var.set("%s" % startTime)
   

usage = "Usage: %s <time> <break time (in sec)>" % os.path.basename(sys.argv[0])
args = sys.argv[1:]

if len(args) != 2:
    sys.exit("a" + usage)

time = int(args[0])
if time < 1:
    sys.exit("b" + usage)
breakTime = int(args[1])
if breakTime < 1:
    sys.exit("c" + usage)
    
root = Tk()
root.title("Timer")

var = StringVar()
var.set("%s" % time)
label = Label(root, textvariable=var, font=("Arial", 17))
label.pack()
thread.start_new_thread(changeTimer, (root, var, time, breakTime))
root.mainloop()