from django.shortcuts import render_to_response
from django.http import HttpResponseRedirect, HttpResponse
from Gallery.apps.gallery.forms import UploadFileForm
from Gallery.settings import FILE_UPLOAD_TEMP_DIR
from PIL import Image
import os
from django.core.validators import isValidImage
from cStringIO import StringIO
import time


def upload_file(request):
    if request.method == 'POST':
        form = UploadFileForm(request.POST, request.FILES)
        if form.is_valid(): 
            handle_origin_uploaded_file(request.FILES['img']) # img is an object from my forms class
            
            #return HttpResponseRedirect('/success/url/') # after uploading we can redirect our user to some url
            return HttpResponse('<h1>Your image success uploaded</h1>')
        else:
            return HttpResponse('<h1>Form is not valid, pelase try to check it </h1>')
    else:
        form = UploadFileForm()
    return render_to_response('upload.html', {'form': form})


def handle_origin_uploaded_file(f): # Function which set new name and save file to meda folder
    name_and_ext = str(f.file_name).split(".") # Split file xxxx.yy, 'coz we need file extension
    extension = name_and_ext[1]
    file_name = str(int(time.time())) + "." + extension # Generate timestamp for our file name
    destination = open(FILE_UPLOAD_TEMP_DIR + '/'+ 'o' + file_name, 'wb')
    for chunk in f.chunk():
        destination.write(chunk)
    
    resize(file_name)

def resize(file_name):
    orig_path = FILE_UPLOAD_TEMP_DIR + '/' + 'o' + file_name
    if os.path.isfile(orig_path):    
        orig_image = Image.open(orig_path)
        print orig_image.format
    else:
        print "Fucking bastard!"
   
    new_img = orig_image.copy()
    new_img.save("/tmp/f.jpg")

    
    
def error(request):
    er = "Form Is Not Valid"
    return render_to_response('error.html',{'er':er})