# -*- coding: utf-8 -*-
#!/usr/bin/python

import pymysql
import hashlib
import json
import urllib.request
import base64
import tornado.ioloop
import tornado.web
import time
import datetime
import redis
import os
CONFIG_DIR = ''

def IsOnlineEnv():
    return os.getenv("SERVER_ENV");

if (IsOnlineEnv()):
    CONFIG_DIR = '/var/data/conf_test/game2001api_rankserver/config'
else:
    CONFIG_DIR = '../config'

def info(msg):
    print(str(datetime.datetime.now()) + '[INFO] ' + msg)

def take_kills(elem):
    return elem[3]

def take_alive_time(elem):
    return elem[4]

def take_harms(elem):
    return elem[5]

def take_win_times(elem):
    return elem[6]

def take_game_times(elem):
    return elem[7]

def safeDiv(a, b):
    if b == 0:
        return 0
    else:
        return a / b

def getRedis():
    redis_conf = json.loadsmysql_conf = json.loads(open(CONFIG_DIR + '/rankserver.redis.cluster.json', 'r').read())
    for conf in redis_conf:
        r = redis.Redis(host = conf['host'],
                        port = conf['port'],
                        password = conf['passwd'],
                        charset = 'utf8'
        )
    return r;

def getDaySeconds(time_val, incdays):
    time_zone = 8
    dayseconds = int((time_val + time_zone * 3600)/3600/24 + incdays) * 3600 * 24 - 3600 * time_zone;
    return dayseconds

#刷新数据
def refreshData(row, kill_list, alive_list, harm_list, rate_list, win_list):
    kill = safeDiv(row[3], row[7])
    alive_time = safeDiv(row[4], row[7])
    harm = safeDiv(row[5], row[7])
    win_times = safeDiv(row[6], row[7])
    kill_list.append((row[0], row[1].decode('utf-8'), row[2], kill, alive_time, harm, win_times, row[6]))
    kill_list.sort(key=take_kills, reverse=True)
    if (len(kill_list) > 50):
        del kill_list[50:]
    alive_list.append((row[0], row[1].decode('utf-8'), row[2], kill, alive_time, harm, win_times, row[6]))
    alive_list.sort(key=take_alive_time, reverse=True)
    if (len(alive_list) > 50):
        del alive_list[50:]
    harm_list.append((row[0], row[1].decode('utf-8'), row[2], kill, alive_time, harm, win_times, row[6]))
    harm_list.sort(key=take_harms, reverse=True)
    if (len(harm_list) > 50):
        del harm_list[50:]
    rate_list.append((row[0], row[1].decode('utf-8'), row[2], kill, alive_time, harm, win_times, row[6]))
    rate_list.sort(key=take_win_times, reverse=True)
    if (len(rate_list) > 50):
        del rate_list[50:]
    win_list.append((row[0], row[1].decode('utf-8'), row[2], kill, alive_time, harm, win_times, row[6]))
    win_list.sort(key=take_game_times, reverse=True)
    if (len(win_list) > 50):
        del win_list[50:]

#更新排行榜
def updateRank(r, kill_list, alive_list, harm_list, rate_list, win_list):
    kill_list.sort(key=take_kills, reverse=True)
    kill_rank = []
    for kill_index in range(min(50, len(kill_list))):
        kill_rank.append(kill_list[kill_index])
    r.set("game2001api: kill_rank", json.dumps(kill_rank))

    alive_list.sort(key=take_alive_time, reverse=True)
    alive_rank = []
    for alive_index in range(min(50, len(alive_list))):
        alive_rank.append(alive_list[alive_index])
    r.set("game2001api: alive_rank", json.dumps(alive_rank))

    harm_list.sort(key=take_harms, reverse=True)
    harm_rank = []
    for harm_index in range(min(50, len(harm_list))):
        harm_rank.append(harm_list[harm_index])
    r.set("game2001api: harm_rank", json.dumps(harm_rank))

    rate_list.sort(key=take_win_times, reverse=True)
    rate_rank = []
    for rate_index in range(min(50, len(rate_list))):
        rate_rank.append(rate_list[rate_index])
    r.set("game2001api: rate_rank", json.dumps(rate_rank))

    win_list.sort(key=take_game_times, reverse=True)
    win_rank = []
    for win_index in range(min(50, len(win_list))):
        win_rank.append(win_list[win_index])
    r.set("game2001api: win_rank", json.dumps(win_rank))

#每日定时读取mysql里的数据生成排行榜写入redis后php读取redis返回客户端显示
def dayReadMysqlData(rushtime):
    mysql_conf = json.loads(open(CONFIG_DIR + '/rankserver.mysql.cluster.json', 'r').read())
    kill_list = []
    alive_list = []
    harm_list = []
    rate_list = []
    win_list = []
    for conf in mysql_conf:
        conn = pymysql.connect(host = conf['host'],
                               port = conf['port'],
                               user = conf['user'],
                               passwd = conf['passwd'],
                               db = 'gamedb2001_' + str(conf['instance_id']),
                               charset = 'utf8'
        )
        cursor = conn.cursor()
        last_idx = 0
        temp_idx = 0
        while 1:
            cursor.execute('SELECT accountid, user_name, avatar_url, kills, alive_time,'
                           ' harm, win_times, game_times, idx FROM user WHERE idx > %s LIMIT 0, 1000' % (last_idx))

            has_data = False
            for row in cursor:
                refreshData(row, kill_list, alive_list, harm_list, rate_list, win_list)
                temp_idx = int(row[8])
                if (temp_idx > last_idx) :
                    last_idx = int(row[8])

            if not has_data:
                break

    r = getRedis()
    updateRank(r, kill_list, alive_list, harm_list, rate_list, win_list)
    tornado.ioloop.IOLoop.current().call_later(getDaySeconds(time.time(), 1) + rushtime,
                                               lambda : dayReadMysqlData(rushtime)
    )

#每5分钟读取mysql里发生改变过的数据更新排行榜
def readMysqlData(rushtime):
    mysql_conf = json.loads(open(CONFIG_DIR + '/rankserver.mysql.cluster.json', 'r').read())
    r = getRedis()
    kill_list_str = r.get("game2001api: kill_rank")
    if (not kill_list_str):
        kill_list = []
    else:
        kill_list = json.loads(kill_list_str)

    alive_list_str = r.get("game2001api: alive_rank")
    if (not alive_list_str):
        alive_list = []
    else:
        alive_list = json.loads(alive_list_str)

    harm_list_str = r.get("game2001api: harm_rank")
    if (not harm_list_str):
        harm_list = []
    else:
        harm_list = json.loads(harm_list_str)

    rate_list_str = r.get("game2001api: rate_rank")
    if (not rate_list_str):
        rate_list = []
    else:
        rate_list = json.loads(rate_list_str)

    win_list_str = r.get("game2001api: win_rank")
    if (not win_list_str):
        win_list = []
    else:
        win_list = json.loads(win_list_str)

    for conf in mysql_conf:
        conn = pymysql.connect(host = conf['host'],
                               port = conf['port'],
                               user = conf['user'],
                               passwd = conf['passwd'],
                               db = 'gamedb2001_' + str(conf['instance_id']),
                               charset = 'utf8'
        )
        cursor = conn.cursor()
        last_idx = 0
        temp_idx = 0
        flag = 0
        while 1:
            cursor.execute('SELECT accountid, user_name, avatar_url, kills, alive_time,'
                           ' harm, win_times, game_times, idx, modify_time FROM user '
                           ' WHERE modify_time > %s AND idx > %s LIMIT 0, 1000' % (time.time() - 300, last_idx))
            has_data = False
            for row in cursor:
                for rowKill in kill_list:
                    if (rowKill[0] == row[0]):
                        flag = 1
                        break
                if (flag != 1):
                    refreshData(row, kill_list, alive_list, harm_list, rate_list, win_list)
                    temp_idx = int(row[8])
                    if (temp_idx > last_idx) :
                        last_idx = int(row[8])
            if not has_data:
                break

    updateRank(r, kill_list, alive_list, harm_list, rate_list, win_list)
    tornado.ioloop.IOLoop.current().call_later(rushtime,
                                               lambda : readMysqlData(rushtime)
    )


class SelfCheckingHandler(tornado.web.RequestHandler):

    def get(self):
        self.write(json.dumps({
            'errcode': 0,
            'errmsg': '',
            'healthy': 1,
            'max_rundelay': 10
        }))

def make_app():
    return tornado.web.Application([
        (r"/webapp/index[\.]php", SelfCheckingHandler),
    ])

if __name__ == "__main__":
    conf = json.loads(open(CONFIG_DIR + '/rankserver.json', 'r').read())

    app = make_app()
    app.listen(conf['listen_port'])
    conf['rushtime'] = 300
    tornado.ioloop.IOLoop.current().call_later(conf['rushtime'],
                                               lambda : readMysqlData(conf['rushtime'])
    )

    conf['day_rushtime'] = 17 * 3600
    tornado.ioloop.IOLoop.current().call_later(getDaySeconds(time.time(), 1) + conf['day_rushtime'],
                                               lambda : dayReadMysqlData(conf['day_rushtime'])
    )
    tornado.ioloop.IOLoop.current().start()