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"""
์ฃผ์‹ ์˜ˆ์ธก ๋ชจ๋ธ ํ•™์Šต ๋ฐ ์ตœ์ ํ™” ์Šคํฌ๋ฆฝํŠธ
"""
import sys
import os
import argparse
import numpy as np
import json
import pickle
import pandas as pd
from pathlib import Path
from sklearn.preprocessing import LabelEncoder

sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from src.optimization.grid_search import run_optimization_pipeline
from src.optimization.utils import get_project_root

def load_processed_data(tickers):
    """
    ์ „์ฒ˜๋ฆฌ๋œ ๋ฐ์ดํ„ฐ์™€ ๋ฉ”ํƒ€ ์ •๋ณด๋ฅผ ๋กœ๋“œํ•ฉ๋‹ˆ๋‹ค.
    """
    tickers_path = tickers.replace(',', '_') if ',' in tickers else tickers
    data_dir = get_project_root() / "data"
    processed_dir = data_dir / "processed"
    
    processed_path = processed_dir / f"{tickers_path}_processed.pkl"
    encoder_path = processed_dir / f"{tickers_path}_encoder_info.json"
    metadata_path = processed_dir / f"{tickers_path}_metadata.json"
    
    if not processed_path.exists():
        print(f"์˜ค๋ฅ˜: ์ „์ฒ˜๋ฆฌ๋œ ๋ฐ์ดํ„ฐ ํŒŒ์ผ์ด ์—†์Šต๋‹ˆ๋‹ค: {processed_path}")
        return None, None, None
    
    # ๋ฐ์ดํ„ฐ ๋กœ๋“œ
    with open(processed_path, 'rb') as f:
        processed_data = pickle.load(f)
    
    # ์›๋ณธ ๋ฐ์ดํ„ฐ ์ถ”๊ฐ€
    raw_data_path = data_dir / f"{tickers_path}_data.csv"
    if raw_data_path.exists():
        raw_data = pd.read_csv(raw_data_path)
        processed_data['data'] = raw_data
    
    # ์ธ์ฝ”๋” ์ •๋ณด ๋กœ๋“œ
    encoder_info = {}
    if encoder_path.exists():
        with open(encoder_path, 'r') as f:
            encoder_info = json.load(f)
    
    # ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ๋กœ๋“œ
    metadata = {}
    if metadata_path.exists():
        with open(metadata_path, 'r') as f:
            metadata = json.load(f)
        
        # ํ•„์ˆ˜ ์ •๋ณด๋งŒ ์ถœ๋ ฅ
        print(f"\n๋ฐ์ดํ„ฐ์…‹: {', '.join(metadata.get('tickers', []))}")
        print(f"๊ธฐ๊ฐ„: {metadata.get('start_date', '')} ~ {metadata.get('end_date', '')}")
        print(f"ํŠน์„ฑ ์ˆ˜: {metadata.get('feature_count', '')}, ์œˆ๋„์šฐ: {metadata.get('window_size', '')}")
    
    return processed_data, encoder_info, metadata

def main():
    parser = argparse.ArgumentParser(description="์ฃผ์‹ ์˜ˆ์ธก ๋ชจ๋ธ ์ตœ์ ํ™” ๋ฐ ํ‰๊ฐ€")
    parser.add_argument('--tickers', type=str, default='NFLX,TSLA,NVDA,AMD,INTC',
                      help='๋Œ€์ƒ ์ข…๋ชฉ (์ฝค๋งˆ๋กœ ๊ตฌ๋ถ„)')
    parser.add_argument('--save', action='store_true', default=True,
                      help='์ตœ์  ๋ชจ๋ธ ์ €์žฅ ์—ฌ๋ถ€')
    parser.add_argument('--metric', type=str, default='combined_score',
                      choices=['combined_score', 'avg_ticker_sharpe', 'sharpe_ratio', 'total_return'],
                      help='์ตœ์ ํ™” ๊ธฐ์ค€ ์ง€ํ‘œ')
    parser.add_argument('--output', type=str, default='grid_search_results.pkl',
                      help='๊ฒฐ๊ณผ ํŒŒ์ผ ๊ฒฝ๋กœ')
    parser.add_argument('--model_output', type=str, default='best_contime',
                      help='TensorFlow Lite ๋ชจ๋ธ ์ €์žฅ ๊ฒฝ๋กœ')
    parser.add_argument('--visualize', action='store_true', default=True,
                      help='์‹œ๊ฐํ™” ์‹คํ–‰ ์—ฌ๋ถ€')
    
    args = parser.parse_args()
    
    # ์ „์ฒ˜๋ฆฌ๋œ ๋ฐ์ดํ„ฐ ๋กœ๋“œ
    processed_data, encoder_info, metadata = load_processed_data(args.tickers)
    
    if processed_data is None:
        print("์ „์ฒ˜๋ฆฌ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๋กœ๋“œํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.")
        return
    
    # ํ‹ฐ์ปค ์ธ์ฝ”๋” ์ถ”์ถœ
    ticker_encoder = LabelEncoder()
    if 'ticker_encoder' in encoder_info:
        # JSON ํŒŒ์ผ์—์„œ ๋กœ๋“œํ•œ ๋”•์…”๋„ˆ๋ฆฌ๋ฅผ LabelEncoder๋กœ ๋ณ€ํ™˜
        ticker_mapping = encoder_info['ticker_encoder']
        ticker_list = [ticker for _, ticker in sorted([(int(i), ticker) for i, ticker in ticker_mapping.items()])]
        ticker_encoder.fit(ticker_list)
    else:
        # ํ‹ฐ์ปค ๋ฆฌ์ŠคํŠธ ์ถ”์ถœ
        ticker_list = metadata.get('tickers', args.tickers.split(','))
        ticker_encoder.fit(ticker_list)
    
    # ์ž„์˜์˜ ์‹œ๋“œ ์„ค์ •
    np.random.seed(42)
    
    # ์ตœ์ ํ™” ์‹คํ–‰
    print("\n๋ชจ๋ธ ์ตœ์ ํ™” ์‹œ์ž‘...")
    print(f"์ตœ์ ํ™” ๊ธฐ์ค€: {args.metric}")
    
    # ๊ฒฐ๊ณผ ํŒŒ์ผ ์ €์žฅ ๊ฒฝ๋กœ ์„ค์ •
    results_dir = Path(get_project_root()) / "models" / "results"
    results_dir.mkdir(parents=True, exist_ok=True)

    output_path = results_dir / args.output
    model_output = results_dir / args.model_output

    optimization_results = run_optimization_pipeline(
        data_dict=processed_data,
        ticker_encoder=ticker_encoder,
        metric=args.metric,
        output_path=output_path,
        save=args.save,
        model_output=model_output,
        sector_industry_df=processed_data.get('sector_industry_df'),
        run_visualizations=args.visualize
    )
    
    print("\n์ตœ์ ํ™” ์™„๋ฃŒ!")
    
    # ๊ฒฐ๊ณผ ์š”์•ฝ
    best_config = optimization_results.get('best_config', {})
    if best_config:
        print("\n์ตœ์  ์„ค์ • ์š”์•ฝ:")
        for key, value in best_config.items():
            print(f"  {key}: {value}")
    
    return optimization_results

if __name__ == "__main__":
    main()