import os
import re
import json
import time
import random
import traceback
import subprocess
import tempfile
import shutil
import psutil
import asyncio
import platform
import sys
from typing import List, Dict, Set, Optional, Tuple, Any, Union, Callable, Coroutine, TypeVar, Type
import logging
from modules.globalvars import *
from modules.prestartchecks import start_checks
from modules.logger import GooberFormatter
import logging

logger = logging.getLogger("goober")
logger.setLevel(logging.DEBUG)

console_handler = logging.StreamHandler()
console_handler.setLevel(logging.DEBUG)
console_handler.setFormatter(GooberFormatter())

file_handler = logging.FileHandler("log.txt", mode="w+", encoding="UTF-8")
file_handler.setLevel(logging.DEBUG)
file_handler.setFormatter(GooberFormatter(colors=False))

logger.addHandler(console_handler)
logger.addHandler(file_handler)

# Print splash text and check for updates
print(splashtext)  # Print splash text (from modules/globalvars.py)
start_checks()

import requests
import discord
from discord.ext import commands
from discord import app_commands
from discord import Colour, Embed, File, Interaction, Message
from discord.abc import Messageable
from discord.ext import commands

from modules.volta.main import _, set_language
from modules.markovmemory import *
from modules.version import *
from modules.sentenceprocessing import *
from modules.unhandledexception import handle_exception
from modules.image import gen_meme
sys.excepthook = handle_exception
check_for_update()
T = TypeVar('T')
MessageContext = Union[commands.Context, discord.Interaction]
MessageReference = Union[Message, discord.WebhookMessage]

# Constants with type hints
positive_gifs: List[str] = os.getenv("POSITIVE_GIFS", "").split(',')
currenthash: str = ""
launched: bool = False
slash_commands_enabled: bool = False

# Load memory and Markov model for text generation
memory: List[str] = load_memory()
markov_model: Optional[markovify.Text] = load_markov_model()
if not markov_model:
    logger.error(_('markov_model_not_found'))
    memory = load_memory()
    markov_model = train_markov_model(memory)

generated_sentences: Set[str] = set()
used_words: Set[str] = set()

def get_git_remote_url():
    try:
        url = subprocess.check_output(
            ["git", "config", "--get", "remote.origin.url"],
            text=True,
            stderr=subprocess.DEVNULL,
        ).strip()
        return url
    except subprocess.CalledProcessError:
        return "Unknown"

async def load_cogs_from_folder(bot, folder_name="assets/cogs"):
    for filename in os.listdir(folder_name):
        if filename.endswith(".py") and not filename.startswith("_"):
            cog_name = filename[:-3]
            module_path = folder_name.replace("/", ".").replace("\\", ".") + f".{cog_name}"
            try:
                await bot.load_extension(module_path)
                logger.info(f"{(_('loaded_cog'))} {cog_name}")
            except Exception as e:
                logger.error(f"{(_('cog_fail'))} {cog_name} {e}")
                traceback.print_exc()

# Event: Called when the bot is ready
@bot.event
async def on_ready() -> None:
    global launched
    global slash_commands_enabled
    global NAME
    global status
    
    folder_name: str = "cogs"
    if launched:
        return
        
    await load_cogs_from_folder(bot)
    try:
        synced: List[discord.app_commands.AppCommand] = await bot.tree.sync()
        logger.info(f"{_('synced_commands')} {len(synced)} {(_('synced_commands2'))}")
        slash_commands_enabled = True
        logger.info(f"{(_('started')).format(name=NAME)}")
    except discord.errors.Forbidden as perm_error:
        logger.error(f"Permission error while syncing commands: {perm_error}") 
        logger.error("Make sure the bot has the 'applications.commands' scope and is invited with the correct permissions.")
        quit()
    except Exception as e:
        logger.error(f"{_('fail_commands_sync')} {e}")
        traceback.print_exc()
        quit()
        
    if not song:
        return
    
    status = {
        "idle": discord.Status.idle,
        "dnd": discord.Status.dnd,
        "invisible": discord.Status.invisible,
        "online": discord.Status.online
    }.get(status.lower(), discord.Status.online)
    await bot.change_presence(status=status, activity=discord.Activity(type=discord.ActivityType.listening, name=f"{song}"))
    launched = True
@bot.event
async def on_command_error(ctx: commands.Context, error: commands.CommandError) -> None:
    from modules.unhandledexception import handle_exception
    
    if isinstance(error, commands.CommandInvokeError):
        original: Exception = error.original
        handle_exception(
            type(original), original, original.__traceback__, 
            context=f"Command: {ctx.command} | User: {ctx.author}"
        )
    else:
        handle_exception(
            type(error), error, error.__traceback__, 
            context=f"Command: {ctx.command} | User: {ctx.author}"
        )

@bot.hybrid_command(description=f"{(_('command_desc_retrain'))}")
async def retrain(ctx: commands.Context) -> None:
    if ctx.author.id != ownerid:
        return
    global markov_model

    message_ref: MessageReference = await send_message(ctx, f"{(_('command_markov_retrain'))}")
    try:
        with open(MEMORY_FILE, 'r') as f:
            memory: List[str] = json.load(f)
    except FileNotFoundError:
        await send_message(ctx, f"{(_('command_markov_memory_not_found'))}")
        return
    except json.JSONDecodeError:
        await send_message(ctx, f"{(_('command_markov_memory_is_corrupt'))}")
        return
    data_size: int = len(memory)
    processed_data: int = 0
    processing_message_ref: MessageReference = await send_message(ctx, f"{(_('command_markov_retraining')).format(processed_data=processed_data, data_size=data_size)}")
    markov_model = train_markov_model(memory)
    save_markov_model(markov_model)
    await send_message(ctx, f"{_('command_markov_retrain_successful').format(data_size=data_size)}", edit=True, message_reference=processing_message_ref)

@bot.hybrid_command(description=f"{(_('command_desc_talk'))}")
async def talk(ctx: commands.Context, sentence_size: int = 5) -> None:
    if not markov_model:
        await send_message(ctx, f"{(_('command_talk_insufficent_text'))}")
        return

    response = None
    for _ in range(20):
        if sentence_size == 1:
            sentence = markov_model.make_short_sentence(max_chars=100, tries=100)
            response = sentence.split()[0] if sentence else None
        else:
            response = markov_model.make_sentence(tries=100, max_words=sentence_size)

        if response and response not in generated_sentences:
            if sentence_size > 1:
                response = improve_sentence_coherence(response)
            generated_sentences.add(response)
            break
    else:
        await send_message(ctx, f"{(_('command_talk_generation_fail'))}")
        return

    cleaned = re.sub(r'[^\w\s]', '', response).lower()
    coherent = rephrase_for_coherence(cleaned)

    if random.random() < 0.9 and is_positive(coherent):
        gif_url = random.choice(positive_gifs)
        message = f"{coherent}\n[jif]({gif_url})"
    else:
        message = coherent

    logger.info(message)
    os.environ['gooberlatestgen'] = message
    await send_message(ctx, message)


@bot.hybrid_command(description=f"RAM")
async def ramusage(ctx):
    process = psutil.Process(os.getpid())
    mem = process.memory_info().rss
    await send_message(ctx, f"{mem / 1024 / 1024:.2f} MB")

@bot.hybrid_command(description=f"{(_('command_desc_help'))}")
async def impact(ctx: commands.Context, text: Optional[str] = None) -> None:
    assets_folder = "assets/images"

    def get_random_asset_image() -> Optional[str]:
        images = [f for f in os.listdir(assets_folder) if f.lower().endswith(('.png', '.jpg', '.jpeg', '.webp'))]
        if not images:
            return None
        return os.path.join(assets_folder, random.choice(images))

    temp_input = None
    input_path = None

    # Determine input image path
    if ctx.message.attachments:
        attachment = ctx.message.attachments[0]
        if attachment.content_type and attachment.content_type.startswith("image/"):
            ext = os.path.splitext(attachment.filename)[1]
            temp_input = f"tempy{ext}"
            await attachment.save(temp_input)
            input_path = temp_input
        else:
            fallback_image = get_random_asset_image()
            if fallback_image is None:
                await ctx.reply(_('no_image_available'))
                return
            temp_input = tempfile.mktemp(suffix=os.path.splitext(fallback_image)[1])
            shutil.copy(fallback_image, temp_input)
            input_path = temp_input
    else:
        fallback_image = get_random_asset_image()
        if fallback_image is None:
            await ctx.reply(_('no_image_available'))
            return
        temp_input = tempfile.mktemp(suffix=os.path.splitext(fallback_image)[1])
        shutil.copy(fallback_image, temp_input)
        input_path = temp_input

    # Generate meme image with one-shot text generation
    output_path = await gen_meme(input_path, custom_text=text)

    if output_path is None or not os.path.isfile(output_path):
        if temp_input and os.path.exists(temp_input):
            os.remove(temp_input)
        await ctx.reply(_('failed_generate_image'))
        return

    await ctx.send(file=discord.File(output_path))

    if temp_input and os.path.exists(temp_input):
        os.remove(temp_input)


bot.remove_command('help')
# Command: Show help information
@bot.hybrid_command(description=f"{(_('command_desc_help'))}")
async def help(ctx: commands.Context) -> None:
    embed: discord.Embed = discord.Embed(
        title=f"{(_('command_help_embed_title'))}",
        description=f"{(_('command_help_embed_desc'))}",
        color=Colour(0x000000)
    )

    command_categories: Dict[str, List[str]] = {
        f"{(_('command_help_categories_general'))}": ["mem", "talk", "about", "ping", "impact", "demotivator", "help"],
        f"{(_('command_help_categories_admin'))}": ["stats", "retrain", "setlanguage"]
    }

    custom_commands: List[str] = []
    for cog_name, cog in bot.cogs.items():
        for command in cog.get_commands():
            if command.name not in command_categories[f"{(_('command_help_categories_general'))}"] and command.name not in command_categories[f"{(_('command_help_categories_admin'))}"]:
                custom_commands.append(command.name)

    if custom_commands:
        embed.add_field(name=f"{(_('command_help_categories_custom'))}", value="\n".join([f"{PREFIX}{command}" for command in custom_commands]), inline=False)

    for category, commands_list in command_categories.items():
        commands_in_category: str = "\n".join([f"{PREFIX}{command}" for command in commands_list])
        embed.add_field(name=category, value=commands_in_category, inline=False)

    await send_message(ctx, embed=embed)

@bot.hybrid_command(description=f"{(_('command_desc_setlang'))}")
@app_commands.describe(locale="Choose your language")
async def setlanguage(ctx: commands.Context, locale: str) -> None:
    if ctx.author.id != ownerid:
        await ctx.send(":thumbsdown:") 
        return
    await ctx.defer()
    set_language(locale)
    await ctx.send(":thumbsup:")

@bot.event
async def on_message(message: discord.Message) -> None:
    global memory, markov_model
    if message.author.bot:
        return

    if str(message.author.id) in BLACKLISTED_USERS:
        return
    
    if message.content.startswith((f"{PREFIX}talk", f"{PREFIX}mem", f"{PREFIX}help", f"{PREFIX}stats", f"{PREFIX}")):
        logger.info(f"{(_('command_ran')).format(message=message)}")
        await bot.process_commands(message)
        return

    if message.content:
        if not USERTRAIN_ENABLED:
            return
        formatted_message: str = message.content
        cleaned_message: str = formatted_message
        save_memory(memory)
    await bot.process_commands(message)

@bot.event
async def on_interaction(interaction: discord.Interaction) -> None:
    name = None
    if interaction.data.get('name') is None:
        name = "Unknown"
    else:
        name = interaction.data['name']
    logger.info(f"{(_('command_ran_s')).format(interaction=interaction)}{name}")
@bot.check
async def block_blacklisted(ctx: commands.Context) -> bool:
    if str(ctx.author.id) in BLACKLISTED_USERS:
        try:
            if isinstance(ctx, discord.Interaction):
                if not ctx.response.is_done():
                    await ctx.response.send_message(_('blacklisted'), ephemeral=True)
                else:
                    await ctx.followup.send(_('blacklisted'), ephemeral=True)
            else:
                await ctx.send(_('blacklisted_user'), ephemeral=True)
        except:
            pass
        return False
    return True
@bot.hybrid_command(description=f"{(_('command_desc_ping'))}")
async def ping(ctx: commands.Context) -> None:
    await ctx.defer()
    latency: int = round(bot.latency * 1000)

    LOLembed: discord.Embed = discord.Embed(
        title="Pong!!",
        description=(
            f"{PING_LINE}\n"
            f"`{(_('command_ping_embed_desc'))}: {latency}ms`\n"
        ),
        color=Colour(0x000000)
    )
    LOLembed.set_footer(text=f"{(_('command_ping_footer'))} {ctx.author.name}", icon_url=ctx.author.avatar.url)

    await ctx.send(embed=LOLembed)
# Command: Show about information
@bot.hybrid_command(description=f"{(_('command_about_desc'))}")
async def about(ctx: commands.Context) -> None:
    print("-----------------------------------\n\n")
    latest_version: str = check_for_update()
    print("-----------------------------------")
    embed: discord.Embed = discord.Embed(title=f"{(_('command_about_embed_title'))}", description="", color=Colour(0x000000))
    embed.add_field(name=f"{(_('command_about_embed_field1'))}", value=f"{NAME}", inline=False)
    embed.add_field(name=f"{(_('command_about_embed_field2name'))}", value=f"{(_('command_about_embed_field2value')).format(local_version=local_version, latest_version=latest_version)}", inline=False)
    embed.add_field(name=f"Git", value=get_git_remote_url())
    embed.add_field(name=f"OS", value=platform.platform())
    
    await send_message(ctx, embed=embed)

# Command: Show bot statistics (admin only)
@bot.hybrid_command(description="stats")
async def stats(ctx: commands.Context) -> None:
    if ctx.author.id != ownerid: 
        return
    print("-----------------------------------\n\n")
    latest_version: str = check_for_update()
    print("-----------------------------------")
    memory_file: str = 'memory.json'
    file_size: int = os.path.getsize(memory_file)
    
    with open(memory_file, 'r') as file:
        line_count: int = sum(1 for _ in file)

    embed: discord.Embed = discord.Embed(title=f"{(_('command_stats_embed_title'))}", description=f"{(_('command_stats_embed_desc'))}", color=Colour(0x000000))
    embed.add_field(name=f"{(_('command_stats_embed_field1name'))}", value=f"{(_('command_stats_embed_field1value')).format(file_size=file_size, line_count=line_count)}", inline=False)
    embed.add_field(name=f"{(_('command_stats_embed_field2name'))}", value=f"{(_('command_stats_embed_field2value')).format(local_version=local_version, latest_version=latest_version)}", inline=False)
    embed.add_field(name=f"{(_('command_stats_embed_field3name'))}", value=f"{(_('command_stats_embed_field3value')).format(NAME=NAME, PREFIX=PREFIX, ownerid=ownerid, PING_LINE=PING_LINE, showmemenabled=showmemenabled, USERTRAIN_ENABLED=USERTRAIN_ENABLED, song=song, splashtext=splashtext)}", inline=False)
    embed.add_field(name=f"OS", value=platform.platform())
    embed.add_field(name="Python Version", value=platform.python_version())
    await send_message(ctx, embed=embed)

# Command: Upload memory.json to litterbox.catbox.moe and return the link
@bot.hybrid_command()
async def mem(ctx: commands.Context) -> None:
    if showmemenabled != "true":
        return
    command: str = """curl -F "reqtype=fileupload" -F "time=1h" -F "fileToUpload=@memory.json" https://litterbox.catbox.moe/resources/internals/api.php"""
    memorylitter: subprocess.CompletedProcess = subprocess.run(command, shell=True, capture_output=True, text=True)
    logger.debug(memorylitter)
    await send_message(ctx, memorylitter.stdout.strip())

# Helper: Improve sentence coherence (simple capitalization fix)
def improve_sentence_coherence(sentence: str) -> str:
    # Capitalizes "i" to "I" in the sentence
    sentence = sentence.replace(" i ", " I ")
    return sentence

# Start the bot
bot.run(TOKEN)