#coding:utf-8
import os
import time
import datetime
import sys
import django
import common.common_control as ccc
from django.db import connection

sys.path.append('/mnt/wzbapi/src')
os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
django.setup()

import common.models as cm

def update_group_rank(stock_date=None):
    """
    """
    ccc.cache.delete("cdata_*")
    if stock_date:
        stock_date = stock_date
    else:
        stock_date = datetime.datetime.now().strftime("%Y-%m-%d")
    ccc.cache.delete("*_"+stock_date)
    groups = cm.MatchGroup.objects.all()
    for gp in groups:
        match_id = gp.match_id
        match_group = gp.id
        delkey = "*_%s_%s_%s" % (match_id,match_group,stock_date)
        del_keys = ccc.cache.keys(delkey)
        ccc.cache.delete(*del_keys)
        prset = cm.PlayerRecord.objects.filter(match_id=match_id,match_group=match_group,stock_date=stock_date).order_by("-total_income")
        if prset:
            records = prset.values()
            case_id = " case id "
            cases = []
            where = []
            for index,pr in enumerate(prset):
                case = "WHEN %s THEN %s" % (pr.id,index+1)
                cases.append(case)
                where.append(str(pr.id))
                #
                key = "%s_%s_%s_%s" % (pr.player_id,match_id,match_group,stock_date)

                record = records[index]
                record.update({"group_rank":index+1})
                ccc.pl.set(key,json.dumps(record,cls=ccc.CusJSONEncoder))
            ccc.pl.execute()
            case = case_id + " ".join(cases)
            where = ",".join(where)
            sql = "update player_record set group_rank = %s ELSE 0 END where id in (%s)" % (case,where)
            cursor = connection.cursor()
            cursor.execute(sql)
            cursor.close()



if __name__ == "__main__":
    print "start update group rank..."
    st = time.time()
    update_group_rank()
    print "time cost:",time.time()-st