# Pricing:
# https://azure.microsoft.com/en-us/pricing/details/cognitive-services/translator/

import requests, uuid
import os
import sys
import toolz
from tqdm import tqdm


subscription_key = os.environ["AZURE_TRANSLATOR_KEY"]
location = os.getenv("AZURE_LOCATION", "global")
url = "https://api.cognitive.microsofttranslator.com/translate"
headers = {
    "Ocp-Apim-Subscription-Key": subscription_key,
    "Ocp-Apim-Subscription-Region": location,
    "Content-type": "application/json",
    "X-ClientTraceId": str(uuid.uuid4()),
}


def translate(texts):
    source = os.environ["SRC"]
    target = os.environ["TRG"]

    params = {"api-version": "3.0", "from": source, "to": [target]}

    results = []
    # decrease partition size if hitting limit of max 10000 characters per request
    for partition in tqdm(list(toolz.partition_all(20, texts))):
        body = [{"text": text} for text in partition]
        response = requests.post(url, params=params, headers=headers, json=body)

        if response.status_code != 200:
            raise ValueError(
                f"Incorrect response. code: {response.status_code} body: {response.json()}"
            )

        results += [r["translations"][0]["text"] for r in response.json()]

    return results


if __name__ == "__main__":
    texts = [line.strip() for line in sys.stdin]
    translations = translate(texts)
    sys.stdout.write("\n".join(translations))
    sys.stdout.write("\n")