import requests

class Team:
    def __init__(self, name, abbrev):
        self.name=name
        self.abbrev=abbrev
        self.elo=1000

def expected(A, B):
    return 1 / (1 + 10 ** ((B - A) / 400))
def elo(old, exp, score, k=24):
    return old + k * (score - exp)

if __name__ == "__main__":
    teamresp = requests.get('https://api.overwatchleague.com/ranking')
    if teamresp.status_code != 200:
        raise ApiError('GET /ranking {}'.format(teamresp.status_code))
    #print(teamresp.json()['content'][0])
    teams = {}
    for team in teamresp.json()['content']:
        teams[team['competitor']['id']] = Team(team['competitor']['name'],team['competitor']['abbreviatedName'])
    #for teamid in teams.keys():
        #print(teamid,teams[teamid].name)
    resp = requests.get('https://api.overwatchleague.com/schedule')
    if resp.status_code != 200:
        raise ApiError('GET /schedule {}'.format(resp.status_code))
    for match in resp.json()['data']['stages'][0]['matches']:
        if match['state'] != "CONCLUDED":
            break
        A = teams[match['competitors'][0]['id']]
        B = teams[match['competitors'][1]['id']]
        print(A.name, "vs", B.name)
        for game in match['games']:
            exp = expected(A.elo,B.elo)
            print("{0} vs {1} map {2} EV {3:.3f}".format(A.abbrev,B.abbrev,game['number'],exp))
            points = game['points']
            if points[0] > points[1]:
                A.elo = elo(A.elo,exp,1)
                B.elo = elo(B.elo,1-exp,0)
                print("{0} wins, ELOs {1:.1f} {2:.1f}".format(A.abbrev,A.elo,B.elo))
            elif points[0] < points[1]:
                A.elo = elo(A.elo,exp,0)
                B.elo = elo(B.elo,1-exp,1)
                print("{0} wins, ELOs {1:.1f} {2:.1f}".format(B.abbrev,A.elo,B.elo))
            else:
                A.elo = elo(A.elo,exp,0.5)
                B.elo = elo(B.elo,1-exp,0.5)
                print("draw, ELOs {0:.1f} {1:.1f}".format(A.elo,B.elo))