#!/usr/bin/env python
# A progress bar that represents how much time awake you have spent and is remaining, and reminds you using notify-send to go to sleep
# By Evan Boldt for the EchoWarp blog - GPL v2

import pygtk
pygtk.require('2.0')
import gtk, gobject
import time
import os	#execute commands to use notify-send

#Fill in based on 24 hour system
wakehour=8	#what hour do you usually wake up? This is used to accurately represent how much time you have in your day
wakeminute=30	#what minute do you usually wake up?
bedhour=22	#what hour do you want to go to sleep? Cannot be after midnight
bedminute=30	#what minute?

reminderfrequency=5 #How often do you want to be reminded to go to bed, in minutes




minutesinday= (bedhour * 60) - (wakehour * 60) + bedminute  - wakeminute

# Update the value of the progress bar so that we get
# some movement

def progress_timeout(pbobj):
    if pbobj.activity_check.get_active():
        pbobj.pbar.pulse()
    else:
        # Calculate the value of the progress bar using the
        # value range set in the adjustment object
        hour= float(time.strftime("%H")) - wakehour
	minute= float(time.strftime("%M")) - wakeminute

	minutes = (hour * 60) + minute
	timepercent= minutes / minutesinday
        
        new_val = timepercent
        
        if (((minutes - minutesinday % reminderfrequency == 0) and (minutes > minutesinday)) ) and (time.strftime("%s" == "0")) :
        	os.system('DISPLAY=:0 notify-send -t 10000 "Go to sleep" "Current Time: 		`date +"%l"`:`date +"%M"` `date +"%p"`" ')

        
        
        if new_val >= 1.0 or new_val < 0.0:
            pbobj.pbar.pulse()
            pbobj.pbar.set_text("Go to sleep!")
            
        else:            
            # Set the new value
            pbobj.pbar.set_fraction(new_val)
            
            
            minutesleft = int(minutesinday - minutes)
            
            if minutesleft % 60 >= 10 : 
            	minutesleftThishour = str(minutesleft % 60)
            else :
            	minutesleftThishour = "0" + str(minutesleft % 60)
            	
            pbobj.pbar.set_text("(%.1f" % (new_val * 100) + "%) - " + str(minutesleft/ 60) + ":" + str(minutesleftThishour) + " hours remaining" )

    # As this is a timeout function, return TRUE so that it
    # continues to get called
    return True
	
class ProgressBar:
    # Callback that toggles the text display within the progress
    # bar trough


    # Callback that toggles the activity mode of the progress
    # bar
    def toggle_activity_mode(self, widget, data=None):
        self.pbar.set_fraction(0.0)

    # Callback that toggles the orientation of the progress bar
    def toggle_orientation(self, widget, data=None):
        if self.pbar.get_orientation() == gtk.PROGRESS_LEFT_TO_RIGHT:
            self.pbar.set_orientation(gtk.PROGRESS_RIGHT_TO_LEFT)
        elif self.pbar.get_orientation() == gtk.PROGRESS_RIGHT_TO_LEFT:
            self.pbar.set_orientation(gtk.PROGRESS_LEFT_TO_RIGHT)

    # Clean up allocated memory and remove the timer
    def destroy_progress(self, widget, data=None):
        gobject.source_remove(self.timer)
        self.timer = 0
        gtk.main_quit()

    def __init__(self):
        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
        self.window.set_resizable(True)

        self.window.connect("destroy", self.destroy_progress)
        self.window.set_title("Time Left in Your Day")
        self.window.set_border_width(0)
	
        vbox = gtk.VBox(False, 5)
        vbox.set_border_width(1)
        self.window.add(vbox)
        vbox.show()
	  
        # Create a centering alignment object
        align = gtk.Alignment(0, 0, 0, 0)
        vbox.pack_start(align, False, False, 10)
        align.show()
	
	
	
        # Create the ProgressBar
        self.pbar = gtk.ProgressBar()
        self.pbar.set_size_request(400, 25)
	
        align.add(self.pbar)
        self.pbar.show()
	
        # Add a timer callback to update the value of the progress bar
        self.timer = gobject.timeout_add (100, progress_timeout, self)

        # Add a check button to select displaying of the trough text
	


        # Add a check button to toggle activity mode
        self.activity_check = check = gtk.CheckButton("Activity mode")
        check.connect("clicked", self.toggle_activity_mode)
        check.show()
        
        
        self.window.set_resizable(False)	#this window is not resizable
        #self.window.set_decorated(False)	#remove the title bar
        #self.window.set_opacity(0.8)		#make the window semi transparent
        self.window.stick()			#make the winodw visible on all desktops
        #self.window.set_keep_above(True)	#always on top
        #self.window.set_keep_below(True)	#always on bottom

        self.window.show()

def main():
    gtk.main()
    return 0

if __name__ == "__main__":
    ProgressBar()
    main()