import os
import time
import re
import fnmatch

def check_download_exists_matching_url_version_one(url):

    print ("enter > downloads > exist check > version 1")

    match = re.search(r"https://sullygnome.com/channel/([^/]+)/(\d+)([a-z]+)/games", url.lower())

    if not match:

        print(f"Invalid URL format. Could not extract channel name, year, or month.")

        return

    channel_name, year, month = match.groups()

    print("channel / ",channel_name)

    #print("year / ",year)

    #print("month / ",month)

    #file_pattern = f"{channel_name}*{month}*{year}*.csv"

    ## this is a problem. it works but if there 2 channels. 
    ## redbull and redbull2 this is throw false positives. ugh

    file_pattern = f"*{channel_name} - game stats on Twitch in {month} {year} - SullyGnome.csv".lower()

    for filename in os.listdir("/home/yankee/Downloads/"):

        updated = filename.lower()

        #print("file in downloads / ",updated)

        if fnmatch.fnmatch(updated, file_pattern):

            print(f"Found matching file: {updated}")

            return True

    else:

        print(f"No matching CSV file found for channel '{channel_name}' in year '{year}' and month '{month}'. (version one)")

        return False

def check_download_exists_matching_url_version_two(url):

    print ("enter > check_download_exists_matching_url_version_two")

    match = re.search(r"https://sullygnome.com/channel/([^/]+)/(\d+)([a-z]+)/games", url.lower())

    if not match:

        print(f"Invalid URL format. Could not extract channel name, year, or month.")

        return

    channel_name, year, month = match.groups()

    print("channel / ",channel_name)

    print("year / ",year)

    print("month / ",month)

    for filename in os.listdir("/home/yankee/Downloads/"):

        updated = filename.lower()

        print("found file (v2) / ",updated)

        ##

        hasKeyDateParts = does_filename_contain_key_date_parts(updated, month, year)

        print("\thasKeyDateParts / ",hasKeyDateParts)

        ##

        hasTargetChannelName = does_filename_contain_target_channel_name(updated,channel_name)

        print("\thasTargetChannelName / ",hasTargetChannelName)

        ##

    print ("exit < check_download_exists_matching_url_version_two")

def does_filename_contain_target_channel_name(url,channel):  

    regex = rf"\({re.escape(channel)}\)"

    match = re.search(regex, url)

    results = bool(match)

    print("results / ",results)


    match = re.search("\({channel}\)", url)

    if match:
        print("yup!")
        extracted_text = match.group(1).lower()

        print("extracted: /",extracted_text)

        return False

	##        return extracted_text == target_string.lower()

    else:
        print("nope!")
        return False






def does_filename_contain_key_date_parts(filename, monthString, yearNumber):

    print("enter -> does_filename_contain_key_date_parts()")

    regex = rf"{re.escape(monthString)} {yearNumber}"

    doesContain = bool(re.search(regex, filename, re.IGNORECASE))

    print("doesContain / ",doesContain)

    return doesContain