import vk_api,os,random
from vk_api import VkUpload
from time import sleep


def has_image_extention(filename):
	filename = filename.lower()
	
	image_extentions = ["jpg","png","bmp","jpeg"]
	for image_extention in image_extentions:
		if image_extention in filename:
			return True
	
	return False

def sendImages(img_dir = ".", ID = 0, IS_GROUP_CHAT = False, TOKEN = ""):
	vk = vk_api.VkApi(token = TOKEN).get_api()

	files = os.listdir(img_dir)
	counter = 1
	for filename in files:

		if has_image_extention(filename) == False:
			# file is probably not an image, so skipping
			continue

		# full path to the image
		path_to_image = img_dir + filename

		# upload via API
		upload = VkUpload(vk)
		upload_img = upload.photo_messages(photos = path_to_image)[0]
		
		# each message will contain "Counter : {number_of_}" 
		MESSAGE = "Counter : {}".format(counter)
		# sending
		print("{}: Sending {}...".format(counter,filename))

		if IS_GROUP_CHAT == False:
			vk.messages.send(user_id = ID ,message=MESSAGE,
						attachment = 'photo{}_{}'.format(upload_img['owner_id'],upload_img['id']),
						random_id = 0)
		elif IS_GROUP_CHAT == True:
			vk.messages.send(chat_id = ID, message=MESSAGE,
							attachment='photo{}_{}'.format(upload_img['owner_id'],upload_img['id']),
							random_id = 0)
		counter += 1
		
		# giving a bit of a rest to VK 
		sleep(random.uniform(3.0,4.0))
		pass


if __name__ == '__main__':
	images = ''
	token = ''
	id = 0
	
	sendImages(img_dir = images, ID = id, IS_GROUP_CHAT = False, TOKEN = token)
	
	pass