#!/usr/bin/python
import os
import sys
from face_client import FaceClient, FaceError
import time
from httplib import HTTPException
from urllib2 import HTTPError

api_key = '34a84a7835bf24df2d84b4bded84e838'
api_secret = '5bc9e8c5a9e3a2d916abbe3659a1b3f8'
client = FaceClient(api_key, api_secret)

def limits(response):
    return response['remaining'],response['reset_time']

remaining,reset_time = limits(client.account_limits())
sframe = 0
try:
    sframe = int(sys.argv[4])
except:
    sframe = 0
try:
    eframe = int(sys.argv[5])
except:
    eframe = sys.maxint

ns = sys.argv[1]
dataset = sys.argv[2]
pic_dir = sys.argv[3]
exclude = ['Anmol', 'Nina', 'Scott']

for line in open(dataset):
    line = line.strip().split(',')
    sub_dir,user,run,frame,zv,num,rec = line[0:7]
    user = '_'.join(user.split())
    while remaining == 0:
        time.sleep(max(reset_time - time.time(),0) + 10)
        remaining,reset_time = limits(client)
    if frame != 'frame' and int(frame) > sframe and int(frame) < eframe and int(num) == 1 and rec == 'True' and user not in exclude:
        response = None
        while response == None:
            try:
                img = open(pic_dir + sub_dir + '/' + frame + '.jpg')
                response = client.faces_recognize('all',file=img,namespace=ns)
                img.close()
                remaining,reset_time = limits(response['usage'])
            except (HTTPException, HTTPError):
                sys.stderr.write("HTTP Exception\n")
                time.sleep(5)
            except FaceError:
                sys.stderr.write("Face Exception\n")
                sys.stderr.write(str(img))
                time.sleep(5)
        out = line[0:5]
        #try:
        sys.stderr.write(frame)
        sys.stderr.write(str(response['photos'][0]['tags'])+"\n")
        photo = response['photos'][0]
        out += [str(len(photo['tags'][0]['uids']))]
        for tag in photo['tags'][0]['uids']:
            out += [tag['uid'], str(tag['confidence'])]
        #except:
        #    sys.stderr.write("Unexpexted error:"+str(sys.exc_info()[0])+" "+frame)
        #    out += ['0']
        #client.tags_remove(tids=','.join(tags))
        print ','.join(out)
        time.sleep(0.3)