#! /usr/bin/python
import random
import urllib2
import traceback,sys

keywords=("Elvis","Presley","the King","The King","Big E","Presly","Pressley","Pressly"," E.")
newwords=("Chess","Griffin","Chess Griffin","Chess Griffin","Big C","Griffin","Griffin","Griffin"," Chess.")


def getblock():
    '''get's a page from the Elvis Sightings page'''
    page=random.randint(1,94)*8
    req = urllib2.Request('http://www.elvissightingbulletinboard.com/cgi-bin/vizbook.cgi?nxtfrm=y&strt_is=%d'%page)
    req.add_header('Referer', 'http://www.elvissightingbulletinboard.com/SightingLog.shtml')
    r = urllib2.urlopen(req)
    return r.read()

def testblock():
    '''only called for testing'''
    f=open("testdata","r")
    d=f.read()
    f.close()
    return d #r.read()

def main():
    data=getblock()
    #data=testblock()
    data=data[data.index('<table'):]
    sightings=data.split('''<table''')
    quotes=[]
    submittedby=[]
    for sighting in sightings:
        if "Sighting:</b>" in sighting and ', Helvetica' in sighting and '</font>' in sighting:
            start=sighting.index('Sighting:</b>')
            start=sighting.index(', Helvetica',start+1)
            finish=sighting.index("</font>",start)
            quote=sighting[start+len(', Helvetica >'):finish]
            for i in range(0,len(keywords)):
                quote=quote.replace(keywords[i],newwords[i])
                quote=quote.replace(keywords[i].upper(),newwords[i])
                quote=quote.replace(keywords[i].lower(),newwords[i])
            quotes.append(quote)

        if "Submitted&nbsp" in sighting and ', Helvetica' in sighting and '</font>' in sighting:
            person="anonymous"
            #get a person
            start=sighting.index("Submitted&nbsp")
            start=sighting.index(', Helvetica',start+1)
            finish=sighting.index("</font>",start)
            person = sighting[start+len(', Helvetica >'):finish]
            #and their location
            try:
                start=sighting.index("Of: <",finish)
                start=sighting.index(', Helvetica',start+1)
                finish=sighting.index('</font>',start)
                person+= " "+ sighting[start+len(', Helvetica >'):finish]
            except:
                pass
            submittedby.append(person.replace("&nbsp;","").replace("<",""))

    if len(submittedby)<len(quotes):
        print "length issue"
    
    x= random.randint(0,len(quotes))-1       
    return quotes[x]+"\n"+"Submitted by : "+submittedby[x]
                  
if __name__ == "__main__":
    try:
        print "CHESS GRIFFIN SIGHTING:\n" +main()
    except:
        traceback.print_exc(file=sys.stdout)