import json, os
from tencentcloud.common import credential
from tencentcloud.common.profile.client_profile import ClientProfile
from tencentcloud.common.profile.http_profile import HttpProfile
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.tmt.v20180321 import tmt_client, models

def get_tmt_client():
    try:
        # 实例化一个认证对象，入参需要传入腾讯云账户 SecretId 和 SecretKey，此处还需注意密钥对的保密
        # 代码泄露可能会导致 SecretId 和 SecretKey 泄露，并威胁账号下所有资源的安全性。以下代码示例仅供参考，建议采用更安全的方式来使用密钥，请参见：https://cloud.tencent.com/document/product/1278/85305
        # 密钥可前往官网控制台 https://console.cloud.tencent.com/cam/capi 进行获取
        SecretId = os.environ.get("TENCENTCLOUD_SECRET_ID")
        SecretKey = os.environ.get("TENCENTCLOUD_SECRET_KEY")    
        cred = credential.Credential(SecretId, SecretKey)
        # 实例化一个http选项，可选的，没有特殊需求可以跳过
        httpProfile = HttpProfile()
        httpProfile.endpoint = "tmt.tencentcloudapi.com"

        # 实例化一个client选项，可选的，没有特殊需求可以跳过
        clientProfile = ClientProfile()
        clientProfile.httpProfile = httpProfile
        # 实例化要请求产品的client对象,clientProfile是可选的
        client = tmt_client.TmtClient(cred, "ap-shanghai", clientProfile)
        print(f'client_{client}')
        return client
    except TencentCloudSDKException as err:
        print(f'client_err_{err}')
        return None

def getTextTrans_tmt(tmt_client, text, source='zh', target='en'):
    def is_chinese(string):
        for ch in string:
            if u'\u4e00' <= ch <= u'\u9fff':
                return True
        return False

    if tmt_client is None:
        return text
    if not is_chinese(text) and target == 'en': 
        return text
    try:
        req = models.TextTranslateRequest()
        params = {
            "SourceText": text,
            "Source": source,
            "Target": target,
            "ProjectId": 0
        }   
        req.from_json_string(json.dumps(params))
        resp = tmt_client.TextTranslate(req)
        return resp.TargetText
    except Exception as e:
        return text 

def getTextTrans(text, source='zh', target='en'):
    return getTextTrans_tmt(get_tmt_client(), text, source, target)