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import os
import json
import discord
import tempfile
import logging
from discord.ext import commands
from gtts import gTTS
import asyncio

logger = logging.getLogger(__name__)

class TTS(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @commands.slash_command(name="tts", description="Generuje TTS dla danego tekstu")
    async def tts(self, ctx,
                  text: str = discord.Option(str, "Tekst do przeczytania", required=True),
                  output: str = discord.Option(str, "Wybierz sposób odtwarzania", choices=["file", "vc"], default="vc")
                  ):
        await ctx.defer()
        # Create a temporary file for TTS output
        with tempfile.NamedTemporaryFile(suffix='.mp3', delete=False) as temp_file:
            temp_path = temp_file.name
        
        try:
            # Generate and save TTS to temp file
            tts = gTTS(text=text, lang='pl')
            tts.save(temp_path)

            # Load settings if available
            volume = 1.0  # Default volume
            if os.path.exists('settings.json'):
                try:
                    with open('settings.json') as f:
                        data = json.load(f)
                        volume = data.get('volume', 1.0)
                except (json.JSONDecodeError, KeyError) as e:
                    logger.error(f"Error loading settings: {e}")

            if output == "file":
                try:
                    await ctx.respond(file=discord.File(temp_path, filename='tts.mp3'))
                    logger.info(f"Sent TTS for text: {text}")
                except Exception as e:
                    logger.error(f"Error sending file: {e}")
                    await ctx.respond("eror :c", ephemeral=True)
            
            elif output == "vc":
                await ctx.respond(content="\u200b", ephemeral=True)
                await ctx.interaction.delete_original_response()

                # Check if the user is in a voice channel
                if not (ctx.author.voice and ctx.author.voice.channel):
                    logger.info("User is not in a voice channel")
                    return
                
                channel = ctx.author.voice.channel
                try:
                    # Connect to the voice channel if not already connected
                    voice_client = discord.utils.get(self.bot.voice_clients, guild=channel.guild)
                    if not voice_client or not voice_client.is_connected():
                        voice_client = await channel.connect()
                    elif voice_client.channel != channel:
                        await voice_client.move_to(channel)
                    
                    # Play the TTS audio with volume adjustment
                    audio_source = discord.FFmpegPCMAudio(
                        temp_path,
                        options=f'-filter:a "volume={volume}"'
                    )
                    voice_client.play(audio_source)
                    logger.info(f"Playing TTS: {text}")
                    
                    # Wait for the audio to finish playing
                    while voice_client.is_playing():
                        await asyncio.sleep(0.1)
                            
                except Exception as e:
                    logger.error(f"Error in voice channel handling: {e}")
                    await ctx.respond("eror :c", ephemeral=True)
        
        finally:
            # Clean up the temporary file
            try:
                if temp_path and os.path.exists(temp_path):
                    os.unlink(temp_path)
            except Exception as e:
                logger.error(f"Error cleaning up temp file {temp_path}: {e}")

def setup(bot):
    bot.add_cog(TTS(bot))