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# This file is part of Senator Sperma
# Licensed under the GPL-3.0 License
# Copyright (C) 2026 Salmonik @ salmonik@tuta.io
# https://codeberg.org/salmonik/senator-sperma

import os
import json
import discord
import aiofiles
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

    async def _load_settings(self):
        """Load volume settings from settings.json"""
        volume = 1.0
        if os.path.exists('settings.json'):
            try:
                async with aiofiles.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}")
        return volume

    async def _handle_file_output(self, ctx, temp_path, text):
        """Handle TTS file output"""
        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)

    async def _get_or_connect_voice_client(self, channel):
        """Get existing voice client or connect to new channel"""
        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)
            
        return voice_client

    async def _handle_voice_output(self, ctx, temp_path, text, volume):
        """Handle TTS voice channel output"""
        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:
            voice_client = await self._get_or_connect_voice_client(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)

    async def _cleanup_temp_file(self, temp_path):
        """Clean up 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}")

    @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()
        
        async with 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
            volume = await self._load_settings()

            # Handle output based on user choice
            if output == "file":
                await self._handle_file_output(ctx, temp_path, text)
            elif output == "vc":
                await self._handle_voice_output(ctx, temp_path, text, volume)
        
        finally:
            await self._cleanup_temp_file(temp_path)

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