import re
import sys
from playwright.sync_api import sync_playwright, Playwright, expect
from PIL import Image
import glob
import re
import os
from datetime import date


BASEURL = "https://walmart.northpass.com/app/courses/"
USERID = "?uid=7beg87y4-fh24-4929-3rt5-24kdn87s5241"
COURSEID = sys.argv[1]
DIR = "./"

def run(playwright: Playwright):
    print("running")
    webkit = playwright.webkit
    browser = webkit.launch()
    context = browser.new_context(
          viewport={ 'width': 390, 'height': 844 }
    )
    page = context.new_page()
    screen_num = 0

    # Navigate to and screenshot the title page
    page.goto(f"{BASEURL}{COURSEID}{USERID}")
    course_name = page.locator('.header-title').evaluate("node => node.innerText")
    print(course_name)

    # Extract all hrefs from the course outline
    course_links = page.locator('.np-course-outline-content-section a').evaluate_all('elements => elements.map(el => el.href)')
    page.screenshot(path=f"{DIR}-{course_name}_{screen_num}.png", full_page=True)

    print("Course outline links:")
    for idx, link in enumerate(course_links):
        screen_num += 1
        print(f"{idx + 1}. {link}")
        page.goto(f"{link}")
        page.screenshot(path=f"{DIR}-{course_name}_{screen_num}.png", full_page=True)
    browser.close()
    # find_pictures()


def find_pictures(DIR):
    files = []
    listfiles = glob.glob(DIR + "*.png")
    for file in listfiles:
        files.append(os.path.basename(file))
        # Now file will only show the file name, not the entire path
    split_resources(files, DIR)


def split_resources(files, DIR):
    try:
        resource_title = files[0][:-6]
        # resource_title = resource_title[:-6]
        files.sort()
        new_list = []
        for file in files:
            if resource_title in file:
                new_list.append(file)
        for item in new_list:
            files.remove(item)
        split_resources(files, DIR)
        process_pictures(new_list, resource_title, DIR)
    except IndexError as e:
        print(e)
    finally:
        pass


def process_pictures(new_list, resource_title, DIR):
    resource_title = re.sub(r'[?]', "", resource_title)
    today = date.today()
    today = today.strftime("%m.%d.%Y")
    image_list = []
    resource = Image.open(new_list[0])
    resource = resource.convert("RGB")
    for picture in new_list[1:]:
        image = Image.open(picture)
        converted = image.convert("RGB")
        image_list.append(converted)
        # image_list.append(image)
    resource.save(
        DIR + f"PDFs/{resource_title}_{today}.pdf",
        save_all=True,
        append_images=image_list,
    )


def delete_originals(DIR):
    path = glob.glob(DIR + "*.png")
    for file in path:
        try:
            os.remove(file)
        except TypeError as e:
            print("Error!")
            print(e)
    print("All Done")


with sync_playwright() as playwright:
    run(playwright)
    find_pictures(DIR)
    delete_originals(DIR)