# --- abot.py ---

import os
import sys
import logging
from pathlib import Path
from collections import deque
from typing import Dict, Any

from dotenv import load_dotenv
from flask import Flask, jsonify
from slackeventsapi import SlackEventAdapter
import slack

# --------------------------------------------------
# Environment & Config
# --------------------------------------------------

load_dotenv(dotenv_path=Path(".") / ".env")

from config import BOT_USER_ID, MAX_MESSAGE_LENGTH

import slack_functions
from slack_event_validation import validate_slack_event
import message_processor
import conversation_history

import qdrant_functions  # Vector DB (RAG)

# --------------------------------------------------
# Logging
# --------------------------------------------------

formatter = logging.Formatter(
    "%(asctime)s - %(levelname)s - [%(filename)s:%(lineno)d] - %(message)s"
)
handler = logging.StreamHandler(sys.stderr)
handler.setFormatter(formatter)

root_logger = logging.getLogger()
root_logger.handlers.clear()
root_logger.addHandler(handler)
root_logger.setLevel(logging.INFO)

logging.getLogger("slack").setLevel(logging.WARNING)

logging.info("abot.py logging initialized")

# --------------------------------------------------
# Dummy Tool (safe fallback)
# --------------------------------------------------

class DummyToolModule:
    TOOL_DEFINITION = {
        "name": "dummy_tool",
        "description": "Tool failed to load",
        "input_schema": {}
    }

    @staticmethod
    def dummy_func(**kwargs):
        logging.error("Dummy tool invoked", extra={"kwargs": kwargs})
        return {"error": "Tool unavailable"}

# --------------------------------------------------
# Tool Imports
# --------------------------------------------------

try:
    import weather_tool
    import user_lookup_tool
    import mtscripter
    import imail_tool
    ALL_TOOLS_IMPORTED = True
except Exception as e:
    logging.error("Tool import failure", exc_info=True)
    ALL_TOOLS_IMPORTED = False

    weather_tool = user_lookup_tool = mtscripter = imail_tool = DummyToolModule

# --------------------------------------------------
# Global Tool Registry
# --------------------------------------------------

GLOBAL_TOOL_REGISTRY: Dict[str, Dict[str, Any]] = {
    "get_weather": {
        "definition": getattr(weather_tool, "TOOL_DEFINITION", {}),
        "function": getattr(weather_tool, "get_weather", DummyToolModule.dummy_func),
    },
    "get_user_info": {
        "definition": getattr(user_lookup_tool, "TOOL_DEFINITION", {}),
        "function": getattr(user_lookup_tool, "get_user_info", DummyToolModule.dummy_func),
    },
    "generate_mikrotik_CPE_script": {
        "definition": getattr(mtscripter, "TOOL_DEFINITION", {}),
        "function": getattr(mtscripter, "generate_mikrotik_CPE_script", DummyToolModule.dummy_func),
    },
    "get_imail_password": {
        "definition": getattr(imail_tool, "TOOL_DEFINITION", {}),
        "function": getattr(imail_tool, "get_imail_password", DummyToolModule.dummy_func),
    },
}

logging.info(f"Registered tools: {list(GLOBAL_TOOL_REGISTRY.keys())}")

# --------------------------------------------------
# Bot Profiles
# --------------------------------------------------

import abot_channel_bot
import techsupport_bot
import integration_sandbox_bot
import sales_bot
import billing_bot
import wireless_bot
import abot_scripting_bot

CHANNEL_BOT_MAPPING = {
    "C0D7LT3JA": techsupport_bot,
    "C08B9A6RPN1": abot_channel_bot,
    "C03U17ER7": integration_sandbox_bot,
    "C0DQ40MH8": sales_bot,
    "C2RGSA4GL": billing_bot,
    "C0DUFQ4BB": wireless_bot,
    "C09KNPDT481": abot_scripting_bot,
}

logging.info(f"Channel mappings loaded: {list(CHANNEL_BOT_MAPPING.keys())}")

# --------------------------------------------------
# Flask + Slack Init
# --------------------------------------------------

app = Flask(__name__)

SIGNING_SECRET = os.getenv("SIGNING_SECRET")
SLACK_TOKEN = os.getenv("SLACK_TOKEN")

if not SIGNING_SECRET or not SLACK_TOKEN:
    sys.exit("Missing Slack credentials")

slack_event_adapter = SlackEventAdapter(SIGNING_SECRET, "/slack/events", app)
slack_client = slack.WebClient(token=SLACK_TOKEN)

# --------------------------------------------------
# Deduplication
# --------------------------------------------------

processed_event_ids = deque(maxlen=1000)

# --------------------------------------------------
# Slack Message Handler
# --------------------------------------------------

@slack_event_adapter.on("message")
def handle_message(event_data):

    if not validate_slack_event(event_data, MAX_MESSAGE_LENGTH):
        return jsonify({"status": "invalid"}), 400

    event = event_data.get("event", {})
    event_id = event_data.get("event_id")
    api_app_id = event_data.get("api_app_id")

    dedupe_key = f"{api_app_id}-{event_id}"
    if dedupe_key in processed_event_ids:
        return jsonify({"status": "duplicate"}), 200
    processed_event_ids.append(dedupe_key)

    channel = event.get("channel")
    user = event.get("user")
    text = event.get("text", "")
    ts = event.get("ts")

    if not all([channel, user, ts]):
        return jsonify({"status": "ignored"}), 200

    is_bot_message = user == BOT_USER_ID
    subtype = event.get("subtype")

    # --------------------------------------------------
    # Log message
    # --------------------------------------------------

    if not is_bot_message:
        try:
            slack_functions.log_slack_message(
                slack_client, channel, user, text, ts, BOT_USER_ID
            )
        except Exception:
            logging.warning("Failed to log message")

    # --------------------------------------------------
    # RAG Insert (profile controlled)
    # --------------------------------------------------

    profile = CHANNEL_BOT_MAPPING.get(channel)
    enable_insert = getattr(profile, "ENABLE_RAG_INSERT", False) if profile else False

    if enable_insert and not is_bot_message and not subtype:
        try:
            qdrant_functions.embed_and_store_slack_message(
                slack_client, channel, user, text, ts, BOT_USER_ID
            )
        except Exception:
            logging.error("RAG insert failed", exc_info=True)

    # --------------------------------------------------
    # File attachments
    # --------------------------------------------------

    if "files" in event and not is_bot_message:
        try:
            slack_functions.handle_slack_attachments(
                slack_client, event, BOT_USER_ID
            )
        except Exception:
            logging.error("Attachment handling failed")

    # --------------------------------------------------
    # Mention routing
    # --------------------------------------------------

    if f"<@{BOT_USER_ID}>" not in text or is_bot_message:
        return jsonify({"status": "no_mention"}), 200

    if not profile:
        slack_client.chat_postMessage(
            channel=channel,
            text="I’m not configured for this channel."
        )
        return jsonify({"status": "unmapped_channel"}), 200

    logging.info(
        f"Routing mention to profile: {getattr(profile, 'BOT_IDENTIFIER', 'unknown')}"
    )

    try:
        message_processor.process_mention(
            event_data=event_data,
            slack_client=slack_client,
            vector_store=qdrant_functions,
            bot_profile=profile,
            tool_registry=GLOBAL_TOOL_REGISTRY,
        )
        return jsonify({"status": "processed"}), 200

    except Exception as e:
        logging.error("process_mention failed", exc_info=True)
        slack_client.chat_postMessage(
            channel=channel,
            text="⚠️ An internal error occurred."
        )
        return jsonify({"status": "error"}), 500

# --------------------------------------------------
# Health Endpoint
# --------------------------------------------------

@app.route("/")
def index():
    return "Slack AI Bot Router running (Qdrant + Local LLM)"

# --------------------------------------------------
# Run
# --------------------------------------------------

if __name__ == "__main__":
    port = int(os.getenv("PORT", 5150))
    logging.info(f"Starting server on port {port}")
    app.run(host="0.0.0.0", port=port, debug=False)