import requests
from twilio.rest import Client
import os
from sys import exit
from pathlib import Path
from dotenv import load_dotenv
import logging

load_dotenv(verbose=True)

api_url = 'https://www.boden.co.uk/api/stock/v1/styles?market=UK&language=en-gb&id=y1357'
item_id = '40263442' # 40263447 low stock, 40263442 12-18m
message_sent_file = './sent.txt'
msg_to = '+447557447469'
website_url = 'https://www.boden.co.uk/en-gb/rainbow-3-in-1-printed-jacket/sty-y1357'


def get_logger(log_level=logging.WARN):
    log = logging.getLogger(__name__)
    log.setLevel(logging.WARN)
    log_handler = logging.StreamHandler()
    log_handler.setFormatter(logging.Formatter('[%(filename)s:(%(lineno)d)] %(levelname)s >>  %(message)s'))
    log.addHandler(log_handler)

    return log


def get_json_from_url(url: str) -> dict:
    r = requests.get(url)
    return r.json()


def send_sms(to: str, msg: str):
    account_sid = os.environ['TWILIO_ACCOUNT_SID']
    auth_token = os.environ['TWILIO_AUTH_TOKEN']
    messaging_sid = os.environ['TWILIO_MESSAGE_SID']
    client = Client(account_sid, auth_token)

    message = client.messages.create(
        messaging_service_sid=messaging_sid,
        body=msg,
        to=to
    )

    log = logging.getLogger(__name__)
    log.debug(message.sid)

def stop_if_previous_action(lock_file: str):
    if os.path.isfile(lock_file):
        log = logging.getLogger(__name__)
        log.info("Script has already run it's action before")
        exit()

def action_taken(lock_file):
    Path(lock_file).touch()

def main(log):
    # This script runs once, to avoid spamming SMS every time run
    stop_if_previous_action(message_sent_file)

    j = get_json_from_url(api_url)

    for id in j['Y1357']:
        if id['edp'] == item_id:
            if id['stockStatus'] == 'OutOfStock':
                log.info(f"Item is out of stock")
            else:
                log.info(f"Item is in stock")
                send_sms(msg_to, 'The coat is in stock at ' + website_url)

                # Prevents it being run again
                action_taken(message_sent_file)

if __name__ == '__main__':
    log = get_logger(logging.WARN)
    main(log)