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"""
EXAONE-3.0-7.8B-Instruct ๋ชจ๋ธ์„ Ollama์— ์ถ”๊ฐ€ํ•˜๋Š” ์Šคํฌ๋ฆฝํŠธ (ํ† ํฐ ํฌํ•จ)
"""

import os
import subprocess
from pathlib import Path
import sys

# ํ”„๋กœ์ ํŠธ ๋ฃจํŠธ๋ฅผ Python ๊ฒฝ๋กœ์— ์ถ”๊ฐ€
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

def get_huggingface_token():
    """
    Hugging Face ํ† ํฐ ๊ฐ€์ ธ์˜ค๊ธฐ (ํ™˜๊ฒฝ ๋ณ€์ˆ˜ ์šฐ์„ , ์—†์œผ๋ฉด DB์—์„œ)
    Google API ํ‚ค ๊ด€๋ฆฌ ๋ฐฉ์‹๊ณผ ๋™์ผํ•œ ํŒจํ„ด
    """
    # ํ™˜๊ฒฝ ๋ณ€์ˆ˜์—์„œ ๋จผ์ € ํ™•์ธ
    token = os.getenv('HUGGINGFACE_HUB_TOKEN', '').strip()
    if not token:
        token = os.getenv('HF_TOKEN', '').strip()
    
    if token:
        print(f"[Hugging Face] ํ™˜๊ฒฝ ๋ณ€์ˆ˜์—์„œ ํ† ํฐ ๊ฐ€์ ธ์˜ด (๊ธธ์ด: {len(token)}์ž)")
        return token
    
    # DB์—์„œ ๊ฐ€์ ธ์˜ค๊ธฐ (์ˆœํ™˜ ์ฐธ์กฐ ๋ฐฉ์ง€๋ฅผ ์œ„ํ•ด ์—ฌ๊ธฐ์„œ ์ž„ํฌํŠธ)
    try:
        from app.database import SystemConfig
        # Flask ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ปจํ…์ŠคํŠธ ์—†์ด๋„ ์ž‘๋™ํ•˜๋„๋ก ์‹œ๋„
        token = SystemConfig.get_config('huggingface_token', '').strip()
        if token:
            print(f"[Hugging Face] DB์—์„œ ํ† ํฐ ๊ฐ€์ ธ์˜ด (๊ธธ์ด: {len(token)}์ž)")
        return token
    except Exception as e:
        print(f"[Hugging Face] DB์—์„œ ํ† ํฐ ์กฐํšŒ ์‹คํŒจ (ํ™˜๊ฒฝ ๋ณ€์ˆ˜ ์‚ฌ์šฉ): {e}")
        return ''

# Hugging Face ํ† ํฐ ๊ฐ€์ ธ์˜ค๊ธฐ
HF_TOKEN = get_huggingface_token()
if not HF_TOKEN:
    raise ValueError("HUGGINGFACE_HUB_TOKEN ๋˜๋Š” HF_TOKEN ํ™˜๊ฒฝ ๋ณ€์ˆ˜๋ฅผ ์„ค์ •ํ•˜๊ฑฐ๋‚˜, ๊ด€๋ฆฌ ํŽ˜์ด์ง€์—์„œ ํ† ํฐ์„ ์„ค์ •ํ•ด์ฃผ์„ธ์š”.")

def set_huggingface_token():
    """Hugging Face ํ† ํฐ ์„ค์ •"""
    os.environ['HUGGINGFACE_HUB_TOKEN'] = HF_TOKEN
    print(f"[OK] Hugging Face ํ† ํฐ ์„ค์ • ์™„๋ฃŒ")

def create_ollama_modelfile():
    """Ollama Modelfile ์ƒ์„ฑ"""
    modelfile_content = f"""FROM huggingface:LGAI-EXAONE/EXAONE-3.0-7.8B-Instruct

# ๋ชจ๋ธ ์„ค์ •
PARAMETER temperature 0.7
PARAMETER top_p 0.9
PARAMETER top_k 40
PARAMETER num_ctx 4096
PARAMETER num_predict 512

# ์‹œ์Šคํ…œ ํ”„๋กฌํ”„ํŠธ
SYSTEM \"\"\"You are EXAONE, a helpful AI assistant developed by LG AI Research. 
You are designed to be helpful, harmless, and honest. 
You can communicate in both Korean and English.\"\"\"

# EXAONE ๋ชจ๋ธ์˜ ์ฑ„ํŒ… ํ…œํ”Œ๋ฆฟ
TEMPLATE \"\"\"{{{{ if .System }}}}<|im_start|>system
{{{{ .System }}}}<|im_end|>
{{{{ end }}}}{{{{ if .Prompt }}}}<|im_start|>user
{{{{ .Prompt }}}}<|im_end|>
{{{{ end }}}}<|im_start|>assistant
{{{{ .Response }}}}<|im_end|>
\"\"\"
"""
    
    modelfile_path = Path("EXAONE-3.0-7.8B-Instruct.modelfile")
    modelfile_path.write_text(modelfile_content, encoding='utf-8')
    print(f"[OK] Modelfile ์ƒ์„ฑ ์™„๋ฃŒ: {modelfile_path.absolute()}")
    return modelfile_path

def create_model_with_modelfile(modelfile_path):
    """Modelfile์„ ์‚ฌ์šฉํ•˜์—ฌ Ollama ๋ชจ๋ธ ์ƒ์„ฑ"""
    try:
        print("\n" + "=" * 60)
        print("Ollama ๋ชจ๋ธ ์ƒ์„ฑ ์‹œ์ž‘...")
        print("=" * 60)
        
        # ํ™˜๊ฒฝ ๋ณ€์ˆ˜ ์„ค์ •
        env = os.environ.copy()
        env['HUGGINGFACE_HUB_TOKEN'] = HF_TOKEN
        
        # ollama create ๋ช…๋ น์–ด ์‹คํ–‰
        cmd = ['ollama', 'create', 'EXAONE-3.0-7.8B-Instruct', '-f', str(modelfile_path)]
        print(f"์‹คํ–‰ ๋ช…๋ น์–ด: {' '.join(cmd)}")
        
        result = subprocess.run(
            cmd,
            env=env,
            capture_output=True,
            text=True,
            timeout=3600  # 1์‹œ๊ฐ„ ํƒ€์ž„์•„์›ƒ
        )
        
        if result.returncode == 0:
            print("[OK] ๋ชจ๋ธ ์ƒ์„ฑ ์„ฑ๊ณต!")
            print(result.stdout)
            return True
        else:
            print("[ERROR] ๋ชจ๋ธ ์ƒ์„ฑ ์‹คํŒจ")
            print("์˜ค๋ฅ˜ ์ถœ๋ ฅ:")
            print(result.stderr)
            return False
            
    except subprocess.TimeoutExpired:
        print("[ERROR] ๋ชจ๋ธ ์ƒ์„ฑ ์‹œ๊ฐ„ ์ดˆ๊ณผ (1์‹œ๊ฐ„)")
        return False
    except Exception as e:
        print(f"[ERROR] ์˜ค๋ฅ˜ ๋ฐœ์ƒ: {e}")
        return False

def check_ollama_installation():
    """Ollama ์„ค์น˜ ํ™•์ธ"""
    try:
        result = subprocess.run(['ollama', '--version'], 
                              capture_output=True, text=True, timeout=5)
        if result.returncode == 0:
            version = result.stdout.strip()
            print(f"[OK] Ollama ์„ค์น˜ ํ™•์ธ: {version}")
            return True
        else:
            print("[ERROR] Ollama๊ฐ€ ์„ค์น˜๋˜์–ด ์žˆ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.")
            return False
    except FileNotFoundError:
        print("[ERROR] Ollama๊ฐ€ ์„ค์น˜๋˜์–ด ์žˆ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.")
        print("   ์„ค์น˜ ๋ฐฉ๋ฒ•: https://ollama.ai/download")
        return False
    except Exception as e:
        print(f"[ERROR] Ollama ํ™•์ธ ์ค‘ ์˜ค๋ฅ˜: {e}")
        return False

def verify_model():
    """์ƒ์„ฑ๋œ ๋ชจ๋ธ ํ™•์ธ"""
    try:
        result = subprocess.run(['ollama', 'list'], 
                              capture_output=True, text=True, timeout=5)
        if result.returncode == 0:
            if 'EXAONE-3.0-7.8B-Instruct' in result.stdout:
                print("\n[OK] ๋ชจ๋ธ์ด ์„ฑ๊ณต์ ์œผ๋กœ ์ถ”๊ฐ€๋˜์—ˆ์Šต๋‹ˆ๋‹ค!")
                print("\n์„ค์น˜๋œ ๋ชจ๋ธ ๋ชฉ๋ก:")
                print(result.stdout)
                return True
            else:
                print("\n[WARNING] ๋ชจ๋ธ์ด ๋ชฉ๋ก์— ๋‚˜ํƒ€๋‚˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.")
                print("\nํ˜„์žฌ ์„ค์น˜๋œ ๋ชจ๋ธ:")
                print(result.stdout)
                return False
        return False
    except Exception as e:
        print(f"[WARNING] ๋ชจ๋ธ ํ™•์ธ ์ค‘ ์˜ค๋ฅ˜: {e}")
        return False

if __name__ == "__main__":
    print("\n" + "=" * 60)
    print("EXAONE-3.0-7.8B-Instruct Ollama ์ถ”๊ฐ€ ์Šคํฌ๋ฆฝํŠธ")
    print("=" * 60 + "\n")
    
    # ์‚ฌ์ „ ํ™•์ธ
    if not check_ollama_installation():
        print("\n[WARNING] Ollama๋ฅผ ๋จผ์ € ์„ค์น˜ํ•ด์ฃผ์„ธ์š”.")
        exit(1)
    
    # ํ† ํฐ ์„ค์ •
    set_huggingface_token()
    
    # Modelfile ์ƒ์„ฑ
    modelfile_path = create_ollama_modelfile()
    
    # ๋ชจ๋ธ ์ƒ์„ฑ ํ™•์ธ
    print("\n[WARNING] ์ฃผ์˜์‚ฌํ•ญ:")
    print("- ๋ชจ๋ธ ํฌ๊ธฐ๊ฐ€ ์•ฝ 15GB์ด๋ฏ€๋กœ ๋‹ค์šด๋กœ๋“œ์— ์‹œ๊ฐ„์ด ๊ฑธ๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.")
    print("- ์ถฉ๋ถ„ํ•œ ๋””์Šคํฌ ๊ณต๊ฐ„๊ณผ GPU ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.")
    print("- Hugging Face์—์„œ ๋ชจ๋ธ ์•ก์„ธ์Šค ๊ถŒํ•œ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.")
    
    # ๋ชจ๋ธ ์ƒ์„ฑ ์‹œ์ž‘
    print("\n๋ชจ๋ธ ์ƒ์„ฑ์„ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค...")
    
    # ๋ชจ๋ธ ์ƒ์„ฑ
    success = create_model_with_modelfile(modelfile_path)
    
    if success:
        verify_model()
        print("\n" + "=" * 60)
        print("[OK] ๋ชจ๋ธ ์ถ”๊ฐ€ ์™„๋ฃŒ!")
        print("=" * 60)
        print("\n์ด์ œ ์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์—์„œ ๋ชจ๋ธ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.")
        print("๋ชจ๋ธ ํ…Œ์ŠคํŠธ:")
        print("  ollama run EXAONE-3.0-7.8B-Instruct \"์•ˆ๋…•ํ•˜์„ธ์š”\"")
        print("=" * 60)
    else:
        print("\n" + "=" * 60)
        print("[ERROR] ๋ชจ๋ธ ์ƒ์„ฑ ์‹คํŒจ")
        print("=" * 60)
        print("\n์ˆ˜๋™์œผ๋กœ ๋ชจ๋ธ์„ ์ƒ์„ฑํ•˜๋ ค๋ฉด:")
        print(f"  1. Hugging Face ํ† ํฐ ์„ค์ •:")
        print(f"     $env:HUGGINGFACE_HUB_TOKEN='YOUR_TOKEN_HERE'")
        print(f"  2. Modelfile๋กœ ๋ชจ๋ธ ์ƒ์„ฑ:")
        print(f"     ollama create EXAONE-3.0-7.8B-Instruct -f {modelfile_path}")
        print("=" * 60)