import pdf2image
from PIL import Image
import time
import urllib.request


def download_lidl1():
    url = 'https://media.lidl-flyer.com/cdce4d18-7327-11e9-a340-005056ab0fb6/GAZETKA-OD-13.05-Oferta-wa%C5%BCna-od-13.05-do-15.05-01.pdf'
    urllib.request.urlretrieve(url, 'lidl/1/lidl1.pdf')

def download_lidl2():
    url = 'https://media.lidl-flyer.com/72e91026-6ff7-11e9-a340-005056ab0fb6/KATALOG-OD-13.05-Oferta-wa%C5%BCna-od-13.05-do-18.05-02.pdf'
    urllib.request.urlretrieve(url, 'lidl/2/lidl2.pdf')


#DECLARE CONSTANTS
PDF_PATH_LIDL1 = "lidl/1/lidl1.pdf"
PDF_PATH_LIDL2 = "lidl/2/lidl2.pdf"
DPI = 200
OUTPUT_FOLDER = None
FIRST_PAGE = None
LAST_PAGE = None
FORMAT = 'jpg'
THREAD_COUNT = 1
USERPWD = None
USE_CROPBOX = False
STRICT = False

def pdftopil_lidl1():
    #This method reads a pdf and converts it into a sequence of images
    #PDF_PATH sets the path to the PDF file
    #dpi parameter assists in adjusting the resolution of the image
    #output_folder parameter sets the path to the folder to which the PIL images can be stored (optional)
    #first_page parameter allows you to set a first page to be processed by pdftoppm
    #last_page parameter allows you to set a last page to be processed by pdftoppm
    #fmt parameter allows to set the format of pdftoppm conversion (PpmImageFile, TIFF)
    #thread_count parameter allows you to set how many thread will be used for conversion.
    #userpw parameter allows you to set a password to unlock the converted PDF
    #use_cropbox parameter allows you to use the crop box instead of the media box when converting
    #strict parameter allows you to catch pdftoppm syntax error with a custom type PDFSyntaxError

    pil_images_lidl1 = pdf2image.convert_from_path(PDF_PATH_LIDL1, dpi=DPI, output_folder=OUTPUT_FOLDER, first_page=FIRST_PAGE, last_page=LAST_PAGE, fmt=FORMAT, thread_count=THREAD_COUNT, userpw=USERPWD, use_cropbox=USE_CROPBOX, strict=STRICT)
    return pil_images_lidl1

def pdftopil_lidl2():

    pil_images_lidl2 = pdf2image.convert_from_path(PDF_PATH_LIDL2, dpi=DPI, output_folder=OUTPUT_FOLDER, first_page=FIRST_PAGE, last_page=LAST_PAGE, fmt=FORMAT, thread_count=THREAD_COUNT, userpw=USERPWD, use_cropbox=USE_CROPBOX, strict=STRICT)
    return pil_images_lidl2


def save_images_lidl1(pil_images_lidl1):
    #This method helps in converting the images in PIL Image file format to the required image format
    index = 1
    for image in pil_images_lidl1:
        image.save("lidl/1/page_" + str(index) + ".jpg")
        index += 1

def save_images_lidl2(pil_images_lidl2):
    index = 1
    for image in pil_images_lidl2:
        image.save("lidl/2/page_" + str(index) + ".jpg")
        print(index)
        index += 1


if __name__ == "__main__":
    download_lidl1()
    pil_images_lidl1 = pdftopil_lidl1()
    save_images_lidl1(pil_images_lidl1)

    download_lidl2()
    pil_images_lidl2 = pdftopil_lidl2()
    save_images_lidl2(pil_images_lidl2)