import os
import time
import slack
import pdb
import json
import re

from pathlib import Path

EXAMPLE_COMMAND = "do"
MENTION_REGEX = "^<@(|[WU].+)>(.*)"
bot_channel = "bots-like-gaston"


def parse_direct_mention(message_text):
    """
        Finds a direct mention (a mention that is at the beginning) in message text
        and returns the user ID which was mentioned. If there is no direct mention, returns None
    """
    matches = re.search(MENTION_REGEX, message_text)
    # the first group contains the username, the second group contains the remaining message
    return (matches.group(1), matches.group(2).strip()) if matches else (None, None)


def reactable_string(text):
    """Return regex objects matching interesting strings
    """
    reactable_array = []
    if re.search(r"\bai\b", text.lower()) is not None:
            reactable_array.append('ai')
    if 'furry' in text.lower() or 'furries' in text.lower() or 'fursuit' in text.lower():
        # no processing needed because: honestly its funnier even if it gets the word boundary wrong.
        reactable_array.append('furry')
    if 'flavor town' in text.lower() or 'flavortown' in text.lower() or 'guy fieri' in text.lower():
        # no processing needed because: honestly its funnier even if it gets the word boundary wrong.
        reactable_array.append('flavortown')
    return reactable_array



@slack.RTMClient.run_on(event='message')
def handle_messages(**payload):
    """
    Does a lot. Fucking decorators.
    1. if the message has react-able strings, react to the message appropriately
    2. if the message starts with @botname and has a command i've planned for, do thing.
    """
    data = payload['data']
    channel_id = data['channel']
    thread_ts = data['ts']


    if reactable_string(data['text']):
        reactions_needed = reactable_string(data['text'])

        def react_to_message(reaction):
            payload['web_client'].reactions_add(
                channel=channel_id,
                name=reaction,
                timestamp=thread_ts
            )


        if 'ai' in reactions_needed:
            react_to_message("robot_face")
        if 'furry' in reactions_needed:
            react_to_message("eggplant")
            react_to_message("sweat_drops")
        if 'flavortown' in reactions_needed:
            react_to_message("dark_sunglasses")
            react_to_message("guyfieri")

    is_command = parse_direct_mention(data['text'])

    if is_command != (None, None):
        if is_command[1].startswith("say"):
            response = f"{is_command[1]}"
        if is_command[1].startswith("furry"):
            response = f"{is_command[1]}"
        if is_command[1].startswith("download"):
            response = "you wouldn't download a car"
        if "arke" in is_command[1]:
            pass
        if "pence" in is_command[1]:
            response = "mother wouldn't want me to say that"
        else:
            response = "that's not my job, bithc"

        webclient = payload['web_client']
        webclient.chat_postMessage(
            channel=channel_id,
            text=response,
            timestamp=thread_ts
        )

if __name__ == '__main__':
    slack_token = os.environ["SLACK_API_TOKEN"]
    client = slack.WebClient(token=os.environ['SLACK_API_TOKEN'])
    rtm_client = slack.RTMClient(token=slack_token)
    rtm_client.start()