import datetime
import random
import os


def remove_empty_str(items, default=None):
    items = [x for x in items if x != ""]
    if len(items) == 0 and default is not None:
        return [default]
    return items


def join_prompts(*args, **kwargs):
    prompts = [str(x) for x in args if str(x) != ""]
    if len(prompts) == 0:
        return ""
    if len(prompts) == 1:
        return prompts[0]
    return ', '.join(prompts)


def generate_temp_filename(folder='./outputs/', extension='png'):
    current_time = datetime.datetime.now()
    date_string = current_time.strftime("%Y-%m-%d")
    time_string = current_time.strftime("%Y-%m-%d_%H-%M-%S")
    random_number = random.randint(1000, 9999)
    filename = f"{time_string}_{random_number}.{extension}"
    result = os.path.join(folder, date_string, filename)
    return date_string, os.path.abspath(os.path.realpath(result)), filename