"""
The   **** KeeponDancing **** Python Capstone Project.

CSSE 120 - Introduction to Software Development (Robotics).
Winter term, 2011-2012.
Team members: John Byers Dmitry Votintsev (all of them).

The primary author of this module is: Dmitry Votintsev

Most of the code in this project by that author appears in this module.

Most of the functions in this module concern:
 -- camera interactions 
"""
#The PIL library for python 3.2:
#http://www.lfd.uci.edu/~gohlke/pythonlibs/#pil

from urllib.request import urlopen
from PIL import Image
import tkinter
from tkinter import ttk
import re
import os

def main():
    print('hello')
    hardware = Camera()
    hardware.capturePicture()
    hardware.drawWindow()
    
class Camera():
    def __init__ (self):
        self.speed = None
        self.camera = None
        self.ip_number = 102 # Set for the camera YOU are using
        self.ip_query = '/snapshot.cgi?user=student&pwd='
        self.ip = 'http://192.168.1.' + str(self.ip_number) + self.ip_query
        self.picLocation = 'C:/Blobs/'
        self.picName = 'camera'
    
    def cameraShowInterface(self):
        self.capturePicture()
    
    def setIP(self):
        """ Do not use, still under development """
        for i in range (49):
            self.networkNum = 100 + i
            response = urlopen ('http://192.168.1.' + str(self.networkNum))
            if re.search('IP Camera', response) != None:
                self.ip = 'http://192.168.1.' + str(self.networkNum)
                print (self.ip)
                break
            
    def capturePicture(self):
        """
        Captures picture from the camera and saves it into jpg and gif.
        """
        response = urlopen(self.ip)
        
        file = open(self.picLocation + self.picName + '.jpg', 'wb')
        file.write(response.read())
        file.close()
        
        self.jpgToGif(self.picLocation + self.picName + '.jpg')
    
    def jpgToGif(self, image):
        img = Image.open(image)
        img.save(self.picLocation + self.picName + '.gif')
        #os.remove(image)
        
    def drawWindow(self):
        """
        Displays the current image from the camera.
        Precondition: A tkinter.Tk() is running.
        """
        root = tkinter.Tk()
        self.root = tkinter.Toplevel()
        self.mainFrame = ttk.Frame(self.root, height=600, width=800)
        gif = self.picLocation + self.picName + '.gif'
        photo = tkinter.PhotoImage(file=gif)
        self.cameraPhoto = ttk.Label(self.mainFrame, image=photo)
        self.cameraPhoto.image = photo
        self.cameraPhoto.grid()
        
        refreshButton = ttk.Button(self.mainFrame, text='Refresh!')
        refreshButton.grid()
        refreshButton['command'] = lambda: self.refreshImage()
        
        self.mainFrame.grid()
        root.mainloop()
        
    def refreshImage(self):
        """
        Callback to take a new snapshot
        and refresh the image being displayed to show the new snapshot.
        """
        self.capturePicture()
        
        gif = self.picLocation + self.picName + '.gif'
        photo = tkinter.PhotoImage(file=gif)
        self.cameraPhoto.configure(image=photo)
        self.cameraPhoto.image = photo
        
if __name__ == '__main__':
    main()