import praw, time, urllib, datetime

class RedditConnectionHandler():
    def __init__(self, username, password, useragent, clientid, secret):
        self.username = username
        self.password = password
        self.useragent = useragent
        self.clientid = clientid
        self.secret = secret
        self.connection = self.login()

    def login(self):
        while(1):
            try:
                return praw.Reddit(client_id=self.clientid,
                                   client_secret=self.secret,
                                   password=self.password,
                                   username=self.username,
                                   user_agent=self.useragent)
            except urllib.error.HTTPError as e:
                if e.code in [429, 500, 502, 503, 504]:
                    print("Reddit is down (error %s), sleeping..." % e.code)
                    time.sleep(60)
                    pass
            except Exception as e:
                print("Error in login", e)
                pass


    def convertdatetimetoutc(self, datetimestamp):
        return (datetimestamp.toordinal()-datetime.datetime(1970, 1, 1).toordinal())*24*60*60

    def getTopSubmissions(self, subreddit_name, begindate, enddate):
        #submissions = self.connection.subreddit(subreddit_name).top("all")
        submissions = self.connection.subreddit(subreddit_name).submissions(start=self.convertdatetimetoutc(begindate), end=self.convertdatetimetoutc(enddate))
        submission_array = []
        while(1):
            try:
                submission_array.append(next(submissions))
            except StopIteration:
                break
            except urllib.error.HTTPError as e:
                if e.code in [429, 500, 502, 503, 504]:
                    print("Reddit is down (error %s), sleeping..." % e.code)
                    time.sleep(60)
                    pass
            except Exception as e:
                print("Error in gettopsubmissions", e)
                pass
        return submission_array