import praw, textwrap, configparser
from time import sleep
from prawcore import NotFound

reddit = praw.Reddit()
NAME = 'QUICKE'

def sub_exists(sub):
    exists = True
    try:
        reddit.subreddits.search_by_name(sub, exact=True)
    except NotFound:
        exists = False
    return exists

def formatstr(s, width):
    return textwrap.fill(s.encode('ascii', errors='ignore').decode(), width)

def bar(amount, total, width, unit=''):
    left = int(width/total*amount)
    right = width-left-1
    if (left >= width):
        print('\r['+'='*width+'] '+str(amount)+'/'+str(total)+('' if unit == '' else ' '+unit)+' ('+str(round(amount/total*100, 1))+'%)', end='')
        return
    print('\r['+'='*left+'>'+' '*right+'] '+str(amount)+'/'+str(total)+('' if unit == '' else ' '+unit)+' ('+str(round(amount/total*100, 1))+'%)', end='')

print('Subreddit Scrapper by Brendan Westley')

config = configparser.ConfigParser()
config.read('quicke.ini')
subnames = config[NAME]['subreddits'].split(', ')
numitems = int(config[NAME]['posts'])
width = int(config[NAME]['width'])
fn = config[NAME]['file']
f = open(fn, 'w')
f.write('')
f.close()
for subname in subnames:
    subreddit = reddit.subreddit(subname)
    f = open(fn, 'a')
    i = 0
    print('Retreving from', subname)
    f.write('\n\n'+(('r/'+subname).center(33, '#'))+'\n\n')
    for submission in subreddit.hot(limit=numitems):
        bar(i, numitems, 30, 'posts')
        i += 1
        f.write(formatstr('{' + str(submission.score) + ' points} ' + submission.title, width))
        f.write('\n\n---------------------------------\n\n')
        f.write(formatstr(submission.selftext, width))
        f.write('\n\n=================================\n\n')
    f.close()
    print()