import discord
from discord.ext import commands, tasks
from discord.utils import get
import shutil
import json
import random
import time
import os
import asyncio
import sys
import subprocess
from dotenv import load_dotenv

import aiohttp
import aioftp
import asyncssh

#Stable Diffusion
#Set this env variable to http://host:port or "disabled"
#os.getenv('stablediffusion_url')

#env vars START
load_dotenv()

imgflip_username = os.getenv('imgflip_username')
imgflip_password = os.getenv('imgflip_password')
discord_token    = os.getenv('discord_token')
ftp_server = os.getenv('ftp_server')
ftp_username = os.getenv('ftp_username')
ftp_password = os.getenv('ftp_password')
ftp_public_html = os.getenv('ftp_public_html')

#env vars END

#discord setup START
intents = discord.Intents.default()
intents.message_content = True
bot = commands.Bot(command_prefix='!', intents=intents)
#discord setup END

@bot.command(
    description="Moderate", 
    help="This currently tool works by replacing the filename on the ftp server with a black image. The description will remain the same and may need to be altered.", 
    brief="Moderation Tools"
    )
async def moderate(ctx, filename):
    await upload_sftp("blank_image.png", (os.getenv('ftp_public_html') + 'ai-images/'), filename)
    output = "Image " + filename + " replaced"
    await ctx.send(output)
    
async def upload_ftp(local_filename, server_folder, server_filename):
    client = aioftp.Client()
    await client.connect(ftp_server)
    await client.login(ftp_username, ftp_password)
    await client.change_directory(server_folder)
    await client.upload(local_filename, server_folder+server_filename, write_into=True)
    await client.quit()

async def upload_sftp(local_filename, server_folder, server_filename):
    remotepath = server_folder + server_filename
    async with asyncssh.connect(ftp_server, username=ftp_username, password=ftp_password) as conn:
        async with conn.start_sftp_client() as sftp:
            await sftp.put(local_filename, remotepath=remotepath)
    
async def handle_error(error):
    print(error)
    current_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    log_line = current_time + ': ' + str(error) + '\n'
    with open("databases/error_log.txt", 'a') as f:
        f.write(log_line)
    return error


async def upload_ftp_ai_images(folder):
    for filename in os.listdir(folder):
        if filename[-4:] == '.png':
            filepath = folder + filename
            prompt = "Unknown Prompt" # Will have to update this later

            html_file = "phixxy.com/ai-images/index.html"
            html_insert = '''<!--REPLACE THIS COMMENT-->
                <div>
                    <img src="<!--filename-->" loading="lazy">
                    <p class="image-description"><!--description--></p>
                </div>'''
            server_folder = (os.getenv('ftp_public_html') + 'ai-images/')
            new_filename = str(time.time_ns()) + ".png"
            await upload_sftp(filepath, server_folder, new_filename)
            print("Uploaded", new_filename)
            with open(html_file, 'r') as f:
                html_data = f.read()
            html_insert = html_insert.replace("<!--filename-->", new_filename)
            html_insert = html_insert.replace("<!--description-->", prompt)
            html_data = html_data.replace("<!--REPLACE THIS COMMENT-->", html_insert)
            with open(html_file, "w") as f:
                f.writelines(html_data)
            await upload_sftp(html_file, server_folder, "index.html")
            os.rename(filepath, f"tmp/{new_filename}")

def create_channel_config(filepath):
    config_dict = {
        "personality":"average",
        "channel_topic":"casual",
        "chat_enabled":False,
        "commands_enabled":True,
        "chat_history_len":5,
        "look_at_images":False,
        "react_to_msgs":False,
        "ftp_enabled":False
    }

    with open(filepath,"w") as f:
        json.dump(config_dict,f)
    print("Wrote config variables to file.")

async def get_channel_config(channel_id):
    filepath = "channels/config/{0}.json".format(str(channel_id))
    if not os.path.exists(filepath):
        create_channel_config(filepath)
    with open(filepath, "r") as f:
        config_dict = json.loads(f.readline())
    return config_dict
    
async def answer_question(topic, model="gpt-3.5-turbo"):
    headers = {
        'Content-Type': 'application/json',
        'Authorization': f'Bearer {os.getenv("openai.api_key")}',
    }

    data = {
        "model": model,
        "messages": [{"role": "user", "content": topic}]
    }

    url = "https://api.openai.com/v1/chat/completions"

    try:
        async with bot.http_session.post(url, headers=headers, json=data) as resp:
            response_data = await resp.json()
            response = response_data['choices'][0]['message']['content']
            return response

    except Exception as error:
        return await handle_error(error)
        
async def react_to_msg(ctx, react):
    
    def is_emoji(string):
        if len(string) == 1:
            # Range of Unicode codepoints for emojis
            if 0x1F300 <= ord(string) <= 0x1F6FF:
                return True
        return False
    
    if react:
        if not random.randint(0,10) and ctx.author.id != 1097302679836971038:
            system_msg = "Send only an emoji as a discord reaction to the following chat message"
            message = ctx.content[0]
            headers = { 
                'Content-Type': 'application/json', 
                'Authorization': f'Bearer {os.getenv("openai.api_key")}',
            }
            
            data = { 
                "model": "gpt-3.5-turbo", 
                "messages": [{"role": "system", "content": system_msg}, {"role": "user", "content": message}]
            }

            url = "https://api.openai.com/v1/chat/completions"
            
            try:
                async with bot.http_session.post(url, headers=headers, json=data) as resp:
                    response_data = await resp.json()
                    reaction = response_data['choices'][0]['message']['content'].strip()
                if is_emoji(reaction):
                    await ctx.add_reaction(reaction)
                else:
                    await ctx.add_reaction("😓")
            except Exception as error:
                print("Some error happened while trying to react to a message")
                await handle_error(error)
            
async def log_chat_and_get_history(ctx, logfile, channel_vars):
    #metadata = await look_at(ctx, channel_vars["look_at_images"])
    log_line = ''           
    log_line += ctx.content
    log_line =  ctx.author.name + ": " + log_line  +"\n"
    chat_history = ""
    print("Logging: " + log_line, end="")
    with open(logfile, "a", encoding="utf-8") as f:
        f.write(log_line)
    with open(logfile, "r", encoding="utf-8") as f:
        for line in (f.readlines() [-int(channel_vars["chat_history_len"]):]):
            chat_history += line
    return chat_history

        
async def chat_response(ctx, channel_vars, chat_history_string): 
    async with ctx.channel.typing(): 
        await asyncio.sleep(1)
        prompt = f"You are a {channel_vars['personality']} chat bot named Sparkytron 3000 created by @phixxy.com. Your personality should be {channel_vars['personality']}. You are currently in a {channel_vars['channel_topic']} chatroom. The message history is: {chat_history_string}"
        headers = { 
            'Content-Type': 'application/json', 
            'Authorization': f'Bearer {os.getenv("openai.api_key")}',
        }
        
        data = { 
            "model": "gpt-3.5-turbo", 
            "messages": [{"role": "user", "content": prompt}]
        }

        url = "https://api.openai.com/v1/chat/completions"

        try: 
            async with bot.http_session.post(url, headers=headers, json=data) as resp:
                response_data = await resp.json() 
                response = response_data['choices'][0]['message']['content']
                if "Sparkytron 3000:" in response[0:17]:
                    response = response.replace("Sparkytron 3000:", "")
                max_len = 1999
                if len(response) > max_len:
                    messages=[response[y-max_len:y] for y in range(max_len, len(response)+max_len,max_len)]
                else:
                    messages=[response]
                for message in messages:
                    await ctx.channel.send(message)

        except Exception as error: 
            await handle_error(error)
    
async def folder_setup():
    folder_names = ["tmp", "tmp/sfw", "tmp/nsfw", "tmp/meme", "channels", "users", "channels/config", "channels/logs", "databases", "databases/currency", "databases/currency/players"]
    for folder_name in folder_names:
        if not os.path.exists(folder_name):
            os.mkdir(folder_name)
    return folder_names
            
async def delete_all_files(path, safe_folders):
    for filename in os.listdir(path):
        if os.path.isdir(path+filename) and not path+filename in safe_folders:
            shutil.rmtree(path+filename)
        elif os.path.isfile(path+filename):
            os.remove(path+filename)

async def delete_derp_files(server_folder):
    async with asyncssh.connect(ftp_server, username=ftp_username, password=ftp_password) as conn:
        async with conn.start_sftp_client() as sftp:
            for filename in (await sftp.listdir(server_folder)):
                if filename == '.' or filename == '..' or filename == 'style.css' or filename == 'myScript.js':
                    pass
                else:
                    try:
                        print("Deleting", filename)
                        await sftp.remove(server_folder+filename)
                    except:
                        print("Couldn't delete", filename)

async def meme_handler(folder):
    for file in os.listdir(folder):
        filepath = folder + file
        await update_meme_webpage(filepath)

            
@tasks.loop(seconds=1)  # Run the task every second
async def task_loop():
    current_time = time.localtime()
    #Run every minute
    if current_time.tm_sec == 0:
        await meme_handler('tmp/meme/')
        await upload_ftp_ai_images('tmp/sfw/')

    #Run daily tasks
    if current_time.tm_hour == 17 and current_time.tm_min == 0 and current_time.tm_sec == 0:
        bot_stuff = bot.get_channel(544408659174883328)
        output = 'The following tasks failed:\n```'
        failed_tasks = []
        await bot_stuff.send("<@242018983241318410> The current time is 5pm. Running daily tasks!")
        try:
            await delete_all_files("tmp/")
        except Exception as error:
            await handle_error(error)
            failed_tasks.append("Delete tmp/")
        try:
            await delete_derp_files("/home/debian/websites/derp.phixxy.com/files/")
        except Exception as error:
            await handle_error(error)
            failed_tasks.append("Delete derp files")
        if failed_tasks != []:
            for failed_task in failed_tasks:
                output += failed_task + '\n'
            output += '```'
            await bot_stuff.send(output)
        else:
            await bot_stuff.send("All daily tasks successfully ran!")
            
async def create_session():
    return aiohttp.ClientSession()

async def close_session(http_session):
    await http_session.close()
            
@bot.event
async def on_connect():
    bot.http_session = await create_session()

@bot.event    
async def on_resumed():
    bot.http_session = await create_session()

@bot.event
async def on_disconnect():
    await close_session(bot.http_session)
            
@bot.event
async def on_ready():
    # Import plugins from plugins folder
    for plugin_file in os.listdir('plugins/'):
        if plugin_file != '__init__.py' and plugin_file[-3:] == '.py':
            await bot.load_extension(f'plugins.{plugin_file[:-3]}')

    print('We have logged in as {0.user}'.format(bot))
    #stuff to do if first run
    folders_made = await folder_setup()
    await delete_all_files("tmp/", folders_made)
    task_loop.start()
    
@bot.command(
    description="Update", 
    help="This will update sparkytron to the most recent version on github. Only privileged users can run this command! Usage: !update", 
    brief="Runs git pull",
    hidden=True
    )           
async def update(ctx):
    if ctx.author.id == 242018983241318410:
        output = subprocess.run(["git","pull"],capture_output=True)
        if output.stderr:
            await ctx.send("Update Attempted")
            await ctx.send(output.stderr.decode('utf-8'))
        else:
            await ctx.send(output.stdout.decode('utf-8'))
    else:
        await ctx.send("You don't have permission to do this.")

async def update_meme_webpage(filename):
        server_folder = (os.getenv('ftp_public_html') + 'ai-memes/')
        new_file_name = str(time.time_ns()) + ".png"
        await upload_sftp(filename, server_folder, new_file_name)
        print("Uploaded", new_file_name)
        with open("phixxy.com/ai-memes/index.html", 'r') as f:
            html_data = f.read()
        html_insert = '<!--ADD IMG HERE-->\n        <img src="' + new_file_name + '" loading="lazy">'
        html_data = html_data.replace('<!--ADD IMG HERE-->',html_insert)
        with open("phixxy.com/ai-memes/index.html", "w") as f:
            f.writelines(html_data)
        await upload_sftp("phixxy.com/ai-memes/index.html", server_folder, "index.html")
        os.rename(filename, 'tmp/' + new_file_name)


@bot.command(
    description="Poll", 
    help='Create a poll with up to 9 options. Usage: !poll "Put question here" "option 1" "option 2"', 
    brief="Enable or disable bot reactions"
    ) 
async def poll(ctx, question, *options: str):
    if len(options) > 9:
        await ctx.send("Error: You cannot have more than 9 options")
        return

    embed = discord.Embed(title=question, colour=discord.Colour(0x283593))
    for i, option in enumerate(options):
        embed.add_field(name=f"Option {i+1}", value=option, inline=False)

    message = await ctx.send(embed=embed)
    numbers = {0: "\u0030\ufe0f\u20e3", 1: "\u0031\ufe0f\u20e3", 2: "\u0032\ufe0f\u20e3", 3: "\u0033\ufe0f\u20e3", 4: "\u0034\ufe0f\u20e3", 5: "\u0035\ufe0f\u20e3", 6: "\u0036\ufe0f\u20e3", 7: "\u0037\ufe0f\u20e3", 8: "\u0038\ufe0f\u20e3", 9: "\u0039\ufe0f\u20e3"}
    for i in range(len(options)):
        await message.add_reaction(numbers.get(i+1))
        
@bot.command(
    description="Roll", 
    help="Rolls dice mostly for Dungeons and Dragons type games. Usage: !roll 3d6+2", 
    brief="Simulate rolling dice"
    ) 
async def roll(ctx, dice_string):
    dice_parts = dice_string.split('d')
    num_dice = int(dice_parts[0])
    if '+' in dice_parts[1]:
        die_parts = dice_parts[1].split('+')
        die_size = int(die_parts[0])
        modifier = int(die_parts[1])
    elif '-' in dice_parts[1]:
        die_parts = dice_parts[1].split('-')
        die_size = int(die_parts[0])
        modifier = -int(die_parts[1])
    else:
        die_size = int(dice_parts[1])
        modifier = 0

    rolls = [random.randint(1, die_size) for i in range(num_dice)]
    dice_str = ' + '.join([str(roll) for roll in rolls])
    total = sum(rolls) + modifier

    await ctx.send(f'{dice_str} + {modifier} = {total}' if modifier != 0 else f'{dice_str} = {total}')

@bot.command(
    description="Kill", 
    help="Kills the bot in event of an emergency. Only special users can do this! Usage: !kill", 
    brief="Kill the bot",
    hidden=True
    )      
async def kill(ctx):
    "Kills the bot"
    if ctx.author.id == 242018983241318410:
        exit()
    else:
        await ctx.channel.send("You don't have permission to do that.")
        
@bot.command(
    description="Reset", 
    help="Resets the bot in event of an emergency. Only special users can do this! Usage: !reset", 
    brief="Reset the bot",
    hidden=True
    )  
async def reset(ctx):
    if ctx.author.id == 242018983241318410:
        python = sys.executable
        os.execl(python, python, *sys.argv)
    else:
        await ctx.channel.send("You don't have permission to do that.")
        
@bot.event
async def on_reaction_add(reaction, user):
    if not random.randint(0,9):
        message = reaction.message
        emoji = reaction.emoji
        await message.add_reaction(emoji)
    

async def pkmn_msg(discord_id):
    path = "databases/pokemon/"+str(discord_id)+'.json'
    if os.path.isfile(path):
        with open(path, 'r') as f:
            json_data = json.loads(f.readline())
            json_data['buddy_xp'] += random.randint(1,5)
            json_data = json.dumps(json_data)
        with open(path, 'w') as f:
            f.writelines(json_data)


@bot.event
async def on_message(ctx):
    #log stuff
    logfile = "channels/logs/{0}.log".format(str(ctx.channel.id))
    channel_vars = await get_channel_config(ctx.channel.id)
    chat_history_string = await log_chat_and_get_history(ctx, logfile, channel_vars)

    #add pokemon xp
    await pkmn_msg(ctx.author.id)
    
    #handle non-text channels (dms, etc)
    if ctx.channel.type.value != 0 and ctx.author.id != 242018983241318410:
        #This used to notify the user it cannot respond in this channel, but that spammed threads
        return
    
    await react_to_msg(ctx, channel_vars["react_to_msgs"]) #emoji reactions
    
    if channel_vars["commands_enabled"] or (ctx.author.id == 242018983241318410 and ctx.content[0] == "!"):
        await bot.process_commands(ctx)
        if not channel_vars["commands_enabled"]:
            await ctx.channel.send("This command only ran because you set it to allow to run even when commands are disabled")

    if channel_vars["chat_enabled"] and not ctx.author.bot:
        if ctx.content and ctx.content[0] != "!":
            await chat_response(ctx, channel_vars, chat_history_string)
        elif not ctx.content:
            await chat_response(ctx, channel_vars, chat_history_string)


bot.run(discord_token)