from flask import Flask, request, render_template, abort, jsonify, session
import json, hashlib, os



app = Flask(__name__)
app.secret_key = 'secret_key'
matchces =
		""
" W3siaG9tZSI6IlN5cmlhIiwiYXdheSI6IlZpZXRuYW0iLCJzY29yZSI6IjA6MSIsImRhdGUiOiIy NyBBdWd1c3QifSx7ImhvbWUiOiJVemJla2lzdGFuIiwiYXdheSI6IlNvdXRoIEtvcmVhIiwic2Nv cmUiOiIzOjQiLCJkYXRlIjoiMjcgQXVndXN0ICJ9LAogICAgICAgICAgICAgeyJob21lIjoiU2F1 ZGkgQXJhYmlhIiwiYXdheSI6IkphcGFuIiwic2NvcmUiOiIxOjIiLCJkYXRlIjoiMjcgQXVndXN0 In0seyJob21lIjoiVW5pdGVkIEFyYWIgRW1pcmF0ZXMiLCJhd2F5IjoiTm9ydGggS29yZWEiLCJz Y29yZSI6IjE6MSIsImRhdGUiOiIyNyBBdWd1c3QifSwKICAgICAgICAgICAgIHsiaG9tZSI6ICJW aWV0bmFtIiwgImF3YXkiOiAiU291dGggS29yZWEiLCAic2NvcmUiOiAiMTozIiwgImRhdGUiOiAi MjkgQXVndXN0In0seyJob21lIjoiSmFwYW4iLCJhd2F5IjoiVW5pdGVkIEFyYWIgRW1pcmF0ZXMi LCJzY29yZSI6IjE6MCIsImRhdGUiOiIyOSBBdWd1c3QifSwKICAgICAgICAgICAgIHsiaG9tZSI6 ICJWaWV0bmFtIiwgImF3YXkiOiAiVW5pdGVkIEFyYWIgRW1pcmF0ZXMiLCAic2NvcmUiOiAiMTox IiwgImRhdGUiOiAiMSBTZXB0ZW1iZXIifSwKICAgICAgICAgICAgIHsiaG9tZSI6ICJTb3V0aCBL b3JlYSIsICJhd2F5IjogIkphcGFuIiwgInNjb3JlIjogIjI6MSIsICJkYXRlIjogIjEgU2VwdGVt YmVyIn1d "
""
class Match:
	def __init__(self, _prev, home, away, score, date, id):
		self.__prev = _prev
		self.home = home
		self.home_goal = int(score[0])
		self.away_goal = int(score[2])
		self.away = away self.score = score
		self.date = date self.id = id
	def getPrev(self):
		return self.__prev


	def init():
		Matches = []
		hm = {}
		m = Match(None, None, None, "0:0", None, "123" ,if not os.path.exists("/opt/id") else open("/opt/id").read().strip())
		Matches.append(m)
		prev_hash = Matches[0].id
		hm[m.id] = m
		for match in matchces:
			match['__prev'] = prev_hash

			block_serialized = json.dumps(match, sort_keys = True).encode('utf-8')
			block_hash = hashlib.sha256(block_serialized).hexdigest()
			prev_hash = block_hash
			m = Match(match['__prev'], match['home'], match['away'], match['score'], match['date'], prev_hash)
			Matches.append(m)
			hm[prev_hash] = m
		return Matches, hm

def checkVNvodich(rr, hm):
	try:
		rr = rr[::-1]
		r = rr[0]
		cnt = 0
		while r.home is not None:
			print r.home, r.away, r.score, r.getPrev(), r.id
			r = hm[r.getPrev()]
			cnt += 1
			if cnt > 10: #avoid infinity loop
				break

			if cnt == 8:
				if "Vietnam" == rr[0].home and rr[0].home_goal > rr[0].away_goal:
					return True
				elif "Vietnam" == rr[0].away and rr[0].home_goal < rr[0].away_goal:
					return True
		return False
	except:
		return False


matchces = json.loads(matchces.decode('base64'))
res, hm = init()


@app.errorhandler(500)
def custom500(error):
	return str(error), 500


@app.route('/')
def index():
	print res[0].id
	if "state" not in session.keys():
		session['state'] = res[-1].id
	else :
		if request.args.get('state') is not None and request.args.get('state') == res[0].id: #thay request.args['state'] thanh session['state'] thi co lam dc khong ?
		global matchces

		try: matchces = json.loads(request.args.get("data").decode("base64"))
		rr, hm = init()
		if checkVNvodich(rr, hm):
			return FLAG
	except:
		pass
	return render_template('index.html', res = res)


def getInfo(match, field):
	val = getattr(match, field, None)
	if val != None:
		return val
	else :
		return "None"

@app.route("/info/")
def getinfo(id):
	match = None
	for r in res:
		if r.id == id:
			match = r
			break
	if "field" in request.args.keys():
		return jsonify(data = getInfo(match, request.args.get("field")))
	elif match is not None:
		return jsonify(id = match.id, home = match.home, away = match.away, score = match.score, date = match.date)
		return jsonify("No data")

@app.route("/files/", methods = ["GET"])
	def getFile(file):
		path = app.root_path + "/" + file
		if not os.path.abspath(path).startswith(app.root_path):
			return "IFL ??"
		return open(path, 'rb').read()


if __name__ == "__main__": app.run(host = "0.0.0.0")