import json
import requests  # to install this library, enter in your command line:
                 #  pip3 install requests

# This is a simple example to illustrate how you can use the VISTA@UE-SA web service

# Requires: key is a string with your access key
# Requires: text is a string, UTF-8, with a maximum 4000 characters, Portuguese text, with
#           the input to be processed
# Requires: format is a string, indicating the output format, which can be either
#           'column' or 'JSON'

# Ensures: output according to specification in
#          https://portulanclarin.net/workbench/uevora-sentiment-analysis/
# Ensures: dict with number of requests and characters input so far with the access key, and
#          its date of expiry

key = 'access_key_goes_here' # before you run this example, replace access_key_goes_here by
                             # your access key

# this string can be replaced by your input
text = '''Um livro maravilhoso que toda a gente, que gosta de um bom mistério, deve ler.
Achei o restaurante ruidoso e o serviço era lento.
A sobremesa de mousse de chocolate era muito saborosa.
O filme era longo e aborrecido.
'''

# To read input text from a file, uncomment this block
#inputFile = open("myInputFileName", "r", encoding="utf-8") # replace myInputFileName by
                                                            # the name of your file
#text = inputFile.read()
#inputFile.close()

format = 'column'  # other possible value is 'JSON'

# Processing:

url = "https://portulanclarin.net/workbench/uevora-sentiment-analysis/api/"
request_data = {
    'method': 'analyse',
    'jsonrpc': '2.0',
    'id': 0,
    'params': {
        'text': text,
        'format': format,
        'key': key,
    },
}
request = requests.post(url, json=request_data)
response_data = request.json()
if "error" in response_data:
    print("Error:", response_data["error"])
else:
    print("Result:")
    print(response_data["result"])


# To write output in a file, uncomment this block
#outputFile = open("myOutputFileName","w", encoding="utf-8") # replace myOutputFileName by
                                                             # the name of your file
#output = response_data["result"]
#outputFile.write(output)
#outputFile.close()


# Getting acess key status:

request_data = {
    'method': 'key_status',
    'jsonrpc': '2.0',
    'id': 0,
    'params': {
        'key': key,
    },
}
request = requests.post(url, json=request_data)
response_data = request.json()
if "error" in response_data:
    print("Error:", response_data["error"])
else:
    print("Key status:")
    print(json.dumps(response_data["result"], indent=4))