import asyncio
import datetime
import random

import discord
from decouple import config
from discord import Embed, Colour, DMChannel
from discord.ext import commands
from discord.ext.commands import is_owner

import settings

# Getting the Bot token from Environment Variables
API_TOKEN = config('DISCORD_TOKEN')

# Bot Initiation
client = commands.Bot(  # Create a new bot
    command_prefix="~",  # Set the prefix
    description='Ensō~Chan!',  # Set a description for the bot
    owner_id=154840866496839680)  # Your unique User ID

(anime, helps, fun) = settings.extensions()
complete_list = anime + helps + fun

# Calls the cogs from the settings.py file and loads them
if __name__ == '__main__':
    for ext in complete_list:
        client.load_extension(ext)


# Bot Status on Discord
@client.event
async def on_ready():
    # Tells me that the bot is ready and logged in
    print('Bot is ready.')

    # Sets the bots status on discord for everyone to view
    await client.change_presence(activity=discord.Game(name="Feeling Pretty Good :))"))


# Bot ~Ping command in milliseconds
@client.command(name="ping", aliases=["Ping"])
@is_owner()
async def ping(ctx):
    # Send the latency of the bot (ms)
    await ctx.send(f'Pong! {round(client.latency * 1000)}ms')


# Bot event for new member joining, sending an embed introducing them to the server
@client.event
async def on_member_join(member):
    # Set the channel id to "newpeople"
    new_people = client.get_channel(669771571337887765)

    # Set the enso server icon and the welcoming gif
    server_icon = "https://media.discordapp.net/attachments/683490529862090814/715010931620446269/image1.jpg?width=658&height=658"
    welcome_gif = "https://cdn.discordapp.com/attachments/714671068941647933/717144047252275270/f4d7de6463d3ada02058a094fd6917ac.gif"

    # Set up embed for the #newpeople channel
    embed = Embed(title="\n**Welcome To Ensō!**",
                  colour=Colour(0x30e419),
                  timestamp=datetime.datetime.utcnow())

    embed.set_thumbnail(url=server_icon)
    embed.set_image(url=welcome_gif)
    embed.add_field(
        name="\u200b",
        value=f"Hello {member.mention}! We hope you enjoy your stay in this server! ",
        inline=False)
    embed.add_field(
        name="\u200b",
        value=f"Be sure to check out our <#669815048658747392> channel to read the rules and <#683490529862090814> channel to get caught up with any changes! ",
        inline=False)
    embed.add_field(
        name="\u200b",
        value=f"Last but not least, feel free to go into <#669775971297132556> to introduce yourself!",
        inline=False)

    # Send embed to #newpeople
    await new_people.send(embed=embed)


# Allows the bot to echo the dm's that it receives
@client.event
async def on_message(message):
    # Making sure that the bot doesn't reply to itself
    if message.author == client.user:
        return

    # Get the mod-mail channel
    channel = client.get_channel(728083016290926623)

    if isinstance(message.channel, DMChannel):
        if len(message.content) < 50:
            await message.channel.send("Your message should be at least 50 characters in length.")

        else:
            # member = discord.guild.get_member(message.author.id)
            embed = Embed(title="**Modmail**",
                          colour=Colour(random.choice(settings.colour_list)),
                          timestamp=datetime.datetime.utcnow())

            embed.set_thumbnail(url=message.author.avatar_url)

            fields = [("Member", message.author.name, False),
                      ("Message", message.content, False)]

            for name, value, inline in fields:
                embed.add_field(name=name, value=value, inline=inline)

            await channel.send(embed=embed)
            await message.channel.send("**Message relayed to Staff! Thank you for your input!**")

    await client.process_commands(message)


# Bot Event for handling all errors within discord.commands
@client.event
async def on_command_error(ctx, args2):
    # if the user did not specify an user
    if isinstance(args2, commands.MissingRequiredArgument):
        await on_command_missing_user(ctx)
    # if the user has spammed a command and invoked a cooldown
    elif isinstance(args2, commands.CommandOnCooldown):
        await on_command_cooldown(ctx, args2)
    # if the user does not the correct permissions to call a command
    elif isinstance(args2, commands.CheckFailure):
        await on_command_permission(ctx)


# Async def for handling cooldown error/permission errors
async def on_command_cooldown(ctx, error):
    # Send an error message to the user telling them that the command is on cooldown
    message = await ctx.send(f'That command is on cooldown. Try again in {error.retry_after:,.2f} seconds.')

    # Let the User read the message for 2.5 seconds
    await asyncio.sleep(2.5)
    # Delete the message
    await message.delete()


# Async def for handling permission errors
async def on_command_permission(ctx):
    # Send an error message to the user saying that they don't have permission to use this command
    message = await ctx.send("Uh oh! You don't have permission to use this command!")

    # Let the user read the message for 2.5 seconds
    await asyncio.sleep(2.5)
    # Delete the message
    await message.delete()


async def on_command_missing_user(ctx):
    # Send an error message to the user saying that an argument is missing
    message = await ctx.send("Uh oh! Couldn't find anyone to mention! Try again!")

    # Let the user read the message for 2.5 seconds
    await asyncio.sleep(2.5)
    # Delete the message
    await message.delete()


# Run the bot, allowing it to come online
try:
    client.run(API_TOKEN)
except discord.errors.LoginFailure as e:
    print("Login unsuccessful.")

"""    
def write_to_dm_file(time, author, content):
    with open('images/logs/dm-logs.txt', mode='a') as dm_logs_file:
    dm_logs_file.write(f"{time}: {author}: {content}")
    
    # File Writing Variables
    time = message.created_at
    msg_time = time.strftime('%Y-%m-%dT%H:%M:%S')
    msg_author = message.author
    msg_content = message.content
"""