signal-bot/main.py

import os
import asyncio
import websockets
import requests
import base64
import json
from datetime import datetime, time, timedelta
from fastapi import FastAPI

from rules import (
    RuleEngine,
    CommandContext,
    GlobalCooldownRule,
)

# Create FastAPI app
app = FastAPI()

PHONE_NUMBER = os.getenv('PHONE_NUMBER', '1234567890')
RECEIVE_URL = f"http://localhost:9922/v1/receive/{PHONE_NUMBER}"
REMOVE_ATTACHMENT_URL = f"http://localhost:9922/v1/attachments/"
SEND_URL = 'http://localhost:9922/v2/send'
GROUP_ID = os.getenv('GROUP_ID', '')
GROUP_ID_SEND = os.getenv('GROUP_ID_SEND', '')
CAT_API = os.getenv('CAT_API', '')

# Initialize the rule engine with a global 10-second cooldown (backward compatible)
rule_engine = RuleEngine()
rule_engine.add_global_rule(
    GlobalCooldownRule(
        cooldown=timedelta(seconds=10),
        failure_message="BEEP BOOP POCZEKAJ 10 SEKUND."
    )
)
warning_sent = False

class StringCounter:
    def __init__(self):
        self.string_map = {}

    async def update_string_map(self, key, common_name):
        if key in self.string_map:
            self.string_map[key]['count'] += 1
        else:
            self.string_map[key] = {'common_name': common_name, 'count': 1}
        return self.string_map

    def get_common_name(self, key):
        if key in self.string_map:
            return self.string_map[key]['common_name']
        return None

def download_image(image_url):
    # Download the image
    image_response = requests.get(image_url)
    image_response.raise_for_status()  # Ensure the request was successful
    
    # Extract the image filename from the URL
    image_filename = image_url.split("/")[-1]

    with open(image_filename, 'wb') as image_file:
        image_file.write(image_response.content)
    
    # Convert the image to base64 encoded data
    with open(image_filename, 'rb') as image_file:
        base64_encoded_data = base64.b64encode(image_file.read()).decode('utf-8')
    
    os.remove(image_filename)
    return base64_encoded_data

def fetch_and_download_image(api_url, image_url_key):
    # Send request to the API
    response = requests.get(api_url)
    response.raise_for_status()  # Ensure the request was successful
    
    # Parse the response JSON to get the image URL
    data = response.json()
    
    # Retrieve the image URL based on the provided key
    if isinstance(image_url_key, list):
        image_url = data
        for key in image_url_key:
            image_url = image_url[key]
    else:
        image_url = data[image_url_key]
    
    return download_image(image_url)

async def send_image(base64_attachments, recipients=GROUP_ID_SEND):
    data = {
        "base64_attachments": [base64_attachments],
        "number": PHONE_NUMBER,
        "recipients": [recipients]
    }
    response = requests.post(SEND_URL, json=data)
    if response.status_code == 200 or response.status_code == 201:
        print("Request was successful.")
    else:
        print(f"Request failed with status code: {response.status_code}")
        print(response.text)

def send_message(message_content, recipients=PHONE_NUMBER):
    data = {
        "message": str(message_content),
        "number": PHONE_NUMBER,
        "recipients": [recipients]
    }
    response = requests.post(SEND_URL, json=data)
    if response.status_code == 200:
        print("Request was successful.")
    else:
        print(f"Request failed with status code: {response.status_code} {data}")
        print(response.text)


def message_message(inside_message):
    message_value = inside_message.get('message')
    return message_value

def message_group_id(inside_message):
    return inside_message.get('groupInfo', {}).get('groupId', {})

def extract_message_content(message):
    message_json = json.loads(message)
    inside_message = message_json.get('envelope', {}).get('dataMessage', {})
    if inside_message == {}:
        inside_message = message_json.get('envelope', {}).get('syncMessage', {}).get('sentMessage', {})
    return inside_message

    
def extract_source_uuid(message):
    message_json = message
    inside_message = message_json.get('sourceUuid', {})
    return inside_message

command_map = {
    ("!kot", "!koty", "!kots", "!cat", "!cats", "!meow", "!miau", "!ᴋᴏᴛ", "!𝓴𝓸𝓽", "!𝗸𝗼𝘁"): lambda recipient: send_image(fetch_and_download_image("https://api.thecatapi.com/v1/images/search", [0, 'url']), recipient),
    ("!pies", "!psy", "!dog", "!dogs", "!woof", "!szczek", "!𝗽𝗶𝗲𝘀", "!͓̽p͓̽i͓̽e͓̽s͓̽"): lambda recipient: send_image(fetch_and_download_image("https://dog.ceo/api/breeds/image/random", 'message'), recipient),
    # ("!traps"): lambda recipient: send_image(download_image(((r34Py.random_post(["trap"])).sample)), recipient)
}

def extract_source_name(message):
    message_json = message
    inside_message = message_json.get('sourceName', {})
    return inside_message


USER_MESSAGE_COUNT = {}


async def count_messages(message_content, counter):
    if message_content and should_count(message_content):
        uuid = extract_source_uuid(message_content)
        source_name = extract_source_name(message_content)
        await counter.update_string_map(uuid, source_name)
        send_message(counter.string_map, PHONE_NUMBER)


async def scheduled_task(counter):
    while True:
        now = datetime.now()
        target_time = datetime.combine(now.date(), time(21, 37))
        if now > target_time:
            target_time += timedelta(days=1)
        wait_time = (target_time - now).total_seconds()
        await asyncio.sleep(wait_time)
        # Trigger your function here
        send_message(counter.string_map, GROUP_ID_SEND)
        counter.string_map = {}

def extract_envelope_source_uuid(message):
    """Extract sourceUuid from the raw JSON message string.
    
    Unlike extract_source_uuid() which works on parsed envelope data,
    this function parses the raw message string and extracts from envelope.
    Used to get user ID for the rule engine context.
    """
    message_json = json.loads(message)
    return message_json.get('envelope', {}).get('sourceUuid', '')


async def trigger_command(message_content, recipient, raw_message=None):
    global warning_sent
    message_value = message_message(message_content)
    
    try:
        if message_value is not None and message_value[0] == "!":
            current_time = datetime.now()
            
            # Extract user ID for the rule engine
            user_id = ''
            if raw_message:
                user_id = extract_envelope_source_uuid(raw_message)
            
            for command_triggers, command_function in command_map.items():
                if message_value in command_triggers:
                    # Create command context for rule evaluation
                    context = CommandContext(
                        command=message_value,
                        user_id=user_id,
                        current_time=current_time,
                        message_data=message_content
                    )
                    
                    # Evaluate rules
                    should_trigger, failure_message = rule_engine.evaluate(context)
                    
                    if not should_trigger:
                        if failure_message and not warning_sent:
                            send_message(failure_message, recipient)
                            warning_sent = True
                        return
                    
                    # Execute the command
                    await command_function(recipient)
                    
                    # Record usage for the rule engine
                    rule_engine.record_usage(message_value, user_id, current_time)
                    warning_sent = False
                    break
    except TypeError:
        send_message(f"trigger_command, TypeError {message_content}", recipient)
    except Exception as e:
        send_message(f"trigger_command, unknown error {message_content}: {str(e)}", recipient)

async def send_to_group(message_content, counter, message):
    if message_group_id(message_content) == GROUP_ID:
        await count_messages(json.loads(message).get('envelope', {}), counter)
        await trigger_command(message_content, GROUP_ID_SEND, message)

async def remove_attachment(attachment_id):
    response = requests.delete(REMOVE_ATTACHMENT_URL + attachment_id)
    if response.status_code == 200 or response.status_code == 204:
        print("Request remove_attachment was successful.")
    else:
        print(f"Request remove_attachment failed with status code: {response.status_code}")
        print(response)

async def get_attachments():
    response = requests.get(REMOVE_ATTACHMENT_URL)
    if response.status_code == 200:
        attachments = json.loads(response.content)
        print("attachments: ", attachments)
        for attachment in attachments:
            print("attachment: ", attachment)
            await remove_attachment(attachment)
    else:
        print(f"Request failed with status code: {response.status_code}")
        print(response)

def is_message_reaction(message):
    message_json = json.loads(message)
    inside_message = message_json.get('envelope', {}).get('dataMessage', {}).get('reaction', {})
    if inside_message == {}:
        inside_message = message_json.get('envelope', {}).get('syncMessage', {}).get('reaction', {})
        if inside_message != {}:
            return True
    return False

def should_count(message_content):
    print("should_count triggered")
    #if message_content.get('destinationNumber', {}) != PHONE_NUMBER:
    #    print("not counting because destinationNumber != PHONE_NUMBER")
    #    return False 
    sticker = message_content.get("dataMessage", {}).get("sticker", {})
    print("sticker ", sticker)
    if sticker != {}:
        print("not counting because message has a sticker ", message_content)
        return False 
    print("counting message: ", message_content)
    return True

async def listen_to_server(counter):
    uri = f"ws://localhost:9922/v1/receive/{PHONE_NUMBER}?send_read_receipts=false"
    async with websockets.connect(uri) as websocket:
        print(f"Connected to signal server")
        try:
            async for message in websocket:
                if is_message_reaction(message) == False:
                    print("message: ", message)
                    message_content = extract_message_content(message)
                    await send_to_group(message_content, counter, message)
        except websockets.ConnectionClosed as e:
            print(f"Connection closed: {e}")

# Endpoint to start the asyncio server tasks
@app.on_event("startup")
async def start_tasks():
    counter = StringCounter()
    task1 = asyncio.create_task(listen_to_server(counter))
    task2 = asyncio.create_task(scheduled_task(counter))
    await asyncio.gather(task1, task2)