#!/usr/bin/env python
import praw
import time
import random
import sys

#Settings
topcount=20 #Show top x posts
subreddit="theredpill"
post_subreddit="theredpill"

#Bot information
author="/u/lixaxil"
botname="top20bot"
version=0.01
user_name="CHANGE_THIS_VALUE_TO_A_VALID_REDDIT_USERNAME"
passwd="CHANGE_THIS_TO_THE_PASSWORD"
user_agent="%s v%s by %s"%(botname,round(version,2),author)

#Time constants
t_min=60
t_hour=60*t_min
t_day=24*t_hour
t_month=30*t_day

#To prevent bot from spamming reddit
returnlimit=1000
max_age=t_month

timestamp=time.time()
r=praw.Reddit(user_agent=user_agent)
r.login(username=user_name,password=passwd)
sr=r.get_subreddit(subreddit)
latest_posts=sr.get_new(limit=returnlimit)
post_list=[]
for post in latest_posts:
 if post.created+max_age > timestamp:
  score=post.ups-post.downs
  url=post.url
  title=post.title
  post_list.append((score,title,url))
 else:
  break

body=""
best_posts=sorted(post_list,key=lambda x:-x[0])[:topcount]
for c,title,url in best_posts:
 body+="* [%s](%s)\n"%(title,url)
body+=""
body+="This post was automatically created at %i by %s"%(timestamp,user_agent)

r.submit(post_subreddit,"Top %i posts this month (%i)"%(topcount,timestamp),text=body)
print body