import os

import googletrans
import discord
from discord import app_commands
from discord.ext import commands


discord_bot_token = os.environ['TOKEN_DISCORD']

intents = discord.Intents.all()
bot_client = discord.Client(intents=intents)
tree = app_commands.CommandTree(bot_client)


"""
My Bots Overview:
https://discordapp.com/developers/applications

Discord Bot API Documentation:
https://discordpy.readthedocs.io/en/latest/api.html

Changelog:
https://discordpy.readthedocs.io/en/latest/whats_new.html
"""

###
# Discord Events
###


@bot_client.event
async def on_ready():
    print("Discord.py version {}".format(discord.__version__))
    print("googletrans version {}".format(googletrans.__version__))
    await tree.sync()
    await bot_client.change_presence(activity=discord.Game(name="Translating only for you!"))


@bot_client.event
async def on_message(ctx: discord.Message):

    if ctx.author.bot:
        return

    translator = googletrans.Translator()
    detected_language = translator.detect(ctx.content)
    detected_language = detected_language.lang

    translator_category = discord.utils.find(lambda c: c.name == "Translatomat", ctx.guild.categories)

    for channel in translator_category.channels:
        language_to_translate_to = channel.name

        if detected_language != language_to_translate_to:
            translated_message = translator.translate(str(ctx.clean_content), language_to_translate_to).text

            if str(ctx.clean_content).lower() == str(translated_message).lower():
                return

            embed = discord.Embed(color=0x04a1ff)
            embed.add_field(name="Translated Message", value=translated_message, inline=False)
            embed.add_field(name="Original Message", value=ctx.content, inline=False)
            embed.add_field(name="Author", value=ctx.author.mention, inline=True)
            embed.add_field(name="Channel", value=ctx.channel.mention, inline=True)
            embed.add_field(name="Message Link", value=ctx.jump_url, inline=True)

            await channel.send(embed=embed)

    await bot_client.process_commands(ctx)


###
# Commands
###

@bot_client.command(name="translate", aliases=['t'], pass_content=True)
async def __command_translate(ctx: commands.Context, language: str, *text: str):

    try:
        translator = googletrans.Translator()

        message_text = " ".join(text)
        translated_text = translator.translate(message_text, language).text

        await ctx.reply(translated_text)
    except:
        await ctx.reply("Error: Translation failed somehow\n"
                            "Format has to be: +translate [language] [text]")


if __name__ == "__main__":
    bot_client.run(discord_bot_token    )