# encoding=utf-8
import http.client, mimetypes, urllib, json, time, requests
import pdb

######################################################################

# 错误代码请查询 http://www.yundama.com/apidoc/YDM_ErrorCode.html
# 所有函数请查询 http://www.yundama.com/apidoc

# 1. http://www.yundama.com/index/reg/developer 注册开发者账号
# 2. http://www.yundama.com/developer/myapp 添加新软件
# 3. 使用添加的软件ID和密钥进行开发，享受丰厚分成

# 用户名
username = ''

# 密码
password = ''

# 软件ＩＤ，开发者分成必要参数。登录开发者后台【我的软件】获得！
appid = 0000

# 软件密钥，开发者分成必要参数。登录开发者后台【我的软件】获得！
appkey = ''

# 图片文件
filename = 'captcha.png'

# 验证码类型，# 例：1004表示4位字母数字，不同类型收费不同。请准确填写，否则影响识别率。在此查询所有类型 http://www.yundama.com/price.html
codetype = 1004

# 超时时间，秒
timeout = 60


######################################################################

class YDMHttp():

    apiurl = 'http://api.yundama.com/api.php'
    username = ''
    password = ''
    appid = ''
    appkey = ''

    def __init__(self, username, password, appid, appkey):
        self.username = username  
        self.password = password
        self.appid = str(appid)
        self.appkey = appkey

    def request(self, fields, files=[]):
        response = self.post_url(self.apiurl, fields, files)
        response = json.loads(response)
        return response
    
    def balance(self):
        data = {'method': 'balance', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey}
        response = self.request(data)
        if (response):
            if (response['ret'] and response['ret'] < 0):
                return response['ret']
            else:
                return response['balance']
        else:
            return -9001
    
    def login(self):
        data = {'method': 'login', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey}
        response = self.request(data)
        if (response):
            if (response['ret'] and response['ret'] < 0):
                return response['ret']
            else:
                return response['uid']
        else:
            return -9001

    def upload(self, filename, codetype, timeout):
        data = {'method': 'upload', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey, 'codetype': str(codetype), 'timeout': str(timeout)}
        file = {'file': filename}
        response = self.request(data, file)
        if (response):
            if (response['ret'] and response['ret'] < 0):
                return response['ret']
            else:
                return response['cid']
        else:
            return -9001

    def result(self, cid):
        data = {'method': 'result', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey, 'cid': str(cid)}
        response = self.request(data)
        return response and response['text'] or ''

    def decode(self, filename, codetype, timeout):
        cid = self.upload(filename, codetype, timeout)
        if (cid > 0):
            for i in range(0, timeout):
                result = self.result(cid)
                if (result != ''):
                    return cid, result
                else:
                    time.sleep(1)
            return -3003, ''
        else:
            return cid, ''

    def post_url(self, url, fields, files=[]):
        for key in files:
            files[key] = open(files[key], 'rb');
        res = requests.post(url, files=files, data=fields)
        return res.text


######################################################################


def identify():
    if (username == 'username'):
        print ('请设置好相关参数再测试')
    else:
        #pdb.set_trace()
        # 初始化
        yundama = YDMHttp(username, password, appid, appkey)

        # 登陆云打码
        uid = yundama.login()
        # print 'uid: %s' % uid

        # 查询余额
        balance = yundama.balance()
        # print 'balance: %s' % balance

        # 开始识别，图片路径，验证码类型ID，超时时间（秒），识别结果
        cid, result = yundama.decode(filename, codetype, timeout)
        # print 'cid: %s, result: %s' % (cid, result)
        return result
