import asyncio
import sys
import traceback
from pathlib import Path

import discord
from dotenv import load_dotenv
from pycord.multicog import apply_multicog
import os

if sys.platform == "win32":
    separator = "\\"
else:
    separator = "/"

print("The environment file is located at " + os.getcwd() + separator + ".env")
load_dotenv(dotenv_path=os.getcwd() + separator + ".env")

from cogs.draw_image_generation import DrawDallEService
from cogs.gpt_3_commands_and_converser import GPT3ComCon
from cogs.image_prompt_optimizer import ImgPromptOptimizer
from models.deletion_service_model import Deletion
from models.message_model import Message
from models.openai_model import Model
from models.usage_service_model import UsageService

__version__ = "3.0"

"""
Message queueing for the debug service, defer debug messages to be sent later so we don't hit rate limits.
"""
message_queue = asyncio.Queue()
deletion_queue = asyncio.Queue()
asyncio.ensure_future(Message.process_message_queue(message_queue, 1.5, 5))
asyncio.ensure_future(Deletion.process_deletion_queue(deletion_queue, 1, 1))


"""
Settings for the bot
"""
activity = discord.Activity(
    type=discord.ActivityType.watching, name="for /help /g, and more!"
)
bot = discord.Bot(intents=discord.Intents.all(), command_prefix="!", activity=activity)
usage_service = UsageService(Path(os.environ.get("DATA_DIR", os.getcwd())))
model = Model(usage_service)


"""
An encapsulating wrapper for the discord.py client. This uses the old re-write without cogs, but it gets the job done!
"""


@bot.event  # Using self gives u
async def on_ready():  # I can make self optional by
    print("We have logged in as {0.user}".format(bot))


@bot.event
async def on_application_command_error(
    ctx: discord.ApplicationContext, error: discord.DiscordException
):
    if isinstance(error, discord.CheckFailure):
        pass
    else:
        raise error


async def main():
    data_path = Path(os.environ.get("DATA_DIR", os.getcwd()))
    debug_guild = int(os.getenv("DEBUG_GUILD"))
    debug_channel = int(os.getenv("DEBUG_CHANNEL"))

    if not data_path.exists():
        raise OSError(f"{data_path} does not exist ... create it?")

    # Load the main GPT3 Bot service
    bot.add_cog(
        GPT3ComCon(
            bot,
            usage_service,
            model,
            message_queue,
            deletion_queue,
            debug_guild,
            debug_channel,
            data_path,
        )
    )

    bot.add_cog(
        DrawDallEService(
            bot,
            usage_service,
            model,
            message_queue,
            deletion_queue,
            bot.get_cog("GPT3ComCon"),
        )
    )

    bot.add_cog(
        ImgPromptOptimizer(
            bot,
            usage_service,
            model,
            message_queue,
            deletion_queue,
            bot.get_cog("GPT3ComCon"),
            bot.get_cog("DrawDallEService"),
        )
    )

    apply_multicog(bot)

    await bot.start(os.getenv("DISCORD_TOKEN"))


# Run the bot with a token taken from an environment file.
def init():
    PID_FILE = "bot.pid"
    if os.path.exists(PID_FILE):
        print("Process ID file already exists")
        sys.exit(1)
    else:
        with open(PID_FILE, "w") as f:
            f.write(str(os.getpid()))
            print("" "Wrote PID to f" "ile the file " + PID_FILE)
            f.close()
    try:
        asyncio.get_event_loop().run_until_complete(main())
    except KeyboardInterrupt:
        print("Caught keyboard interrupt, killing and removing PID")
        os.remove(PID_FILE)
    except Exception as e:
        traceback.print_exc()
        print(str(e))
        print("Removing PID file")
        os.remove(PID_FILE)
    finally:
        sys.exit(0)


if __name__ == "__main__":
    sys.exit(init())