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# img_bot.py
import discord, os, io, re, asyncio, logging, requests, replicate, subprocess
from transformers import pipeline as transformers_pipeline   # λ²ˆμ—­ νŒŒμ΄ν”„λΌμΈ

# ── ν™˜κ²½ λ³€μˆ˜ ────────────────────────────────────────────────
TOKEN       = os.getenv("DISCORD_TOKEN")                     # Discord 봇 토큰
CHANNEL_ID  = int(os.getenv("DISCORD_CHANNEL_ID"))           # κ°μ‹œν•  채널 ID
REPL_TOKEN  = (os.getenv("OPENAI_API_KEY") or "").strip()    # Replicate 토큰(동일 λ³€μˆ˜ μ‚¬μš©)
HF_TOKEN    = (os.getenv("HF_TOKEN") or "").strip()          # Hugging Face Personal Access Token

if not TOKEN or not CHANNEL_ID:
    raise RuntimeError("DISCORD_TOKEN κ³Ό DISCORD_CHANNEL_ID ν™˜κ²½ λ³€μˆ˜λ₯Ό λͺ¨λ‘ μ§€μ •ν•˜μ„Έμš”.")

if not REPL_TOKEN:
    raise RuntimeError(
        "OPENAI_API_KEY ν™˜κ²½ λ³€μˆ˜μ— Replicate Personal Access Token 값을 λ„£μ–΄μ£Όμ„Έμš”."
    )

# Replicate λΌμ΄λΈŒλŸ¬λ¦¬κ°€ μ°Έμ‘°ν•˜λ„λ‘ 토큰 μ£Όμž…
os.environ["REPLICATE_API_TOKEN"] = REPL_TOKEN

# ── λͺ¨λΈ ────────────────────────────────────────────────────
MODEL = (
    "bytedance/sdxl-lightning-4step:"
    "6f7a773af6fc3e8de9d5a3c00be77c17308914bf67772726aff83496ba1e3bbe"
)

# ── λ²ˆμ—­ νŒŒμ΄ν”„λΌμΈ (CPU) ───────────────────────────────────
translator_kwargs = {"device": -1}
if HF_TOKEN:
    translator_kwargs["token"] = HF_TOKEN        # 인증 토큰 전달

translator = transformers_pipeline(
    "translation",
    model="Helsinki-NLP/opus-mt-ko-en",
    **translator_kwargs
)

def ko2en(text: str) -> str:
    """ν•œκΈ€ 포함 μ‹œ μ˜μ–΄ λ²ˆμ—­, κ·Έλ ‡μ§€ μ•ŠμœΌλ©΄ 원문 λ°˜ν™˜."""
    if re.search(r"[κ°€-힣]", text):
        try:
            return translator(text, max_length=512)[0]["translation_text"].strip()
        except Exception as e:
            logging.warning(f"λ²ˆμ—­ μ‹€νŒ¨, 원문 μ‚¬μš©: {e}")
    return text

# ── λ‘œκΉ… ────────────────────────────────────────────────────
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s [%(levelname)s] %(message)s",
    handlers=[logging.StreamHandler()]
)

# ── Discord μ„€μ • ────────────────────────────────────────────
intents = discord.Intents.default()
intents.message_content = True  # λ©”μ‹œμ§€ μ½˜ν…μΈ  읽기

class ImageBot(discord.Client):
    async def on_ready(self):
        logging.info(f"Logged in as {self.user} (id={self.user.id})")
        # web.py 병렬 μ‹€ν–‰
        try:
            subprocess.Popen(["python", "web.py"])
            logging.info("web.py server has been started.")
        except Exception as e:
            logging.warning(f"web.py μ‹€ν–‰ μ‹€νŒ¨: {e}")

    async def on_message(self, message: discord.Message):
        # 봇 μžμ‹ μ˜ λ©”μ‹œμ§€ ν˜Ήμ€ λŒ€μƒ μ•„λ‹Œ 채널 β†’ λ¬΄μ‹œ
        if message.author.id == self.user.id or message.channel.id != CHANNEL_ID:
            return

        prompt = message.content.strip()
        if not prompt:
            return

        prompt_en = ko2en(prompt)  # ν•œκΈ€μ΄λ©΄ μ˜μ–΄λ‘œ λ³€ν™˜
        await message.channel.typing()

        # ── Replicate 호좜 ──────────────────────────────────
        def run_replicate():
            return list(replicate.run(MODEL, input={"prompt": prompt_en}))

        try:
            images = await asyncio.get_running_loop().run_in_executor(None, run_replicate)
        except Exception as e:
            logging.error(f"Replicate error: {e}")
            await message.reply("⚠️ 이미지 생성 μ‹€νŒ¨!")
            return

        # ── 이미지 Discord 전솑 ─────────────────────────────
        files = []
        for idx, item in enumerate(images):
            try:
                data = item.read() if hasattr(item, "read") else requests.get(item).content
                files.append(discord.File(io.BytesIO(data), filename=f"img_{idx}.png"))
            except Exception as e:
                logging.warning(f"[IMG {idx}] 처리 μ‹€νŒ¨: {e}")

        await message.reply(
            files=files if files else None,
            content=None if files else "⚠️ 이미지λ₯Ό 전솑할 수 μ—†μŠ΅λ‹ˆλ‹€."
        )

# ── μ‹€ν–‰ ────────────────────────────────────────────────────
if __name__ == "__main__":
    replicate.Client(api_token=REPL_TOKEN)  # Replicate 인증
    ImageBot(intents=intents).run(TOKEN)