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"""Console script for deep_translator."""

import argparse
import sys
from .google_trans import GoogleTranslator
from .mymemory import MyMemoryTranslator
from .pons import PonsTranslator
from .linguee import LingueeTranslator


def translate(args):
    """
    function used to provide translations from the parsed terminal arguments
    @param args: parsed terminal arguments
    @return: None
    """
    translator = None
    if args.translator == 'google':
        translator = GoogleTranslator(source=args.source, target=args.target)
    elif args.translator == 'pons':
        translator = PonsTranslator(source=args.source, target=args.target)
    elif args.translator == 'linguee':
        translator = LingueeTranslator(source=args.source, target=args.target)
    elif args.translator == 'mymemory':
        translator = MyMemoryTranslator(source=args.source, target=args.target)
    else:
        print("given translator is not supported. Please use a supported translator from the deep_translator tool")

    res = translator.translate(args.text)
    print(" | Translation from {} to {} |".format(args.source, args.target))
    print("Translated text: \n {}".format(res))

def return_supported_languages(args):
    """
    function used to return the languages supported by the translator service from the parsed terminal arguments
    @param args: parsed terminal arguments
    @return: None
    """
    if args.translator == 'google':
        translator = GoogleTranslator
    elif args.translator == 'pons':
        translator = PonsTranslator
    elif args.translator == 'linguee':
        translator = LingueeTranslator
    elif args.translator == 'mymemory':
        translator = MyMemoryTranslator
    else:
        print("given translator is not supported. Please use a supported translator from the deep_translator tool")

    translator_supported_languages = translator.get_supported_languages(as_dict=True)
    print(f'Languages supported by \'{args.translator}\' are :\n')
    print(translator_supported_languages)


def main():
    """
    function responsible for parsing terminal arguments and provide them for further use in the translation process

    """
    parser = argparse.ArgumentParser()
    parser.add_argument('--translator', '-trans',
                        default='google', type=str, help="name of the translator you want to use", required=True)
    parser.add_argument('--source', '-src', type=str, help="source language to translate from")
    parser.add_argument('--target', '-tg', type=str, help="target language to translate to")
    parser.add_argument('--text', '-txt', type=str, help="text you want to translate")
    parser.add_argument('--languages', '-lang',action='store_true', help="all the languages available with the translator. Run the command deep_translator -trans <translator service> -lang")

    args = parser.parse_args()
    if args.languages:
        return_supported_languages(args)
    else:
        translate(args)
    # sys.exit()


if __name__ == "__main__":
    main()