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"""
๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์Šคํฌ๋ฆฝํŠธ
nickname ์ปฌ๋Ÿผ์„ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
"""
import sqlite3
import os
from pathlib import Path

# ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๊ฒฝ๋กœ
db_path = Path(__file__).parent / 'instance' / 'finance_analysis.db'

def migrate_database():
    """๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์— nickname ์ปฌ๋Ÿผ ์ถ”๊ฐ€"""
    if not db_path.exists():
        print(f"๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํŒŒ์ผ์ด ์—†์Šต๋‹ˆ๋‹ค: {db_path}")
        print("์•ฑ์„ ์‹คํ–‰ํ•˜๋ฉด ์ž๋™์œผ๋กœ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค.")
        return
    
    try:
        conn = sqlite3.connect(str(db_path))
        cursor = conn.cursor()
        
        # user ํ…Œ์ด๋ธ”์— nickname ์ปฌ๋Ÿผ์ด ์žˆ๋Š”์ง€ ํ™•์ธ
        cursor.execute("PRAGMA table_info(user)")
        columns = [column[1] for column in cursor.fetchall()]
        
        if 'nickname' in columns:
            print("nickname ์ปฌ๋Ÿผ์ด ์ด๋ฏธ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.")
            conn.close()
            return
        
        # nickname ์ปฌ๋Ÿผ ์ถ”๊ฐ€
        print("nickname ์ปฌ๋Ÿผ์„ ์ถ”๊ฐ€ํ•˜๋Š” ์ค‘...")
        cursor.execute("ALTER TABLE user ADD COLUMN nickname VARCHAR(80)")
        conn.commit()
        print("nickname ์ปฌ๋Ÿผ์ด ์„ฑ๊ณต์ ์œผ๋กœ ์ถ”๊ฐ€๋˜์—ˆ์Šต๋‹ˆ๋‹ค.")
        
        conn.close()
        
    except sqlite3.OperationalError as e:
        print(f"์˜ค๋ฅ˜ ๋ฐœ์ƒ: {e}")
        if "duplicate column name" in str(e).lower():
            print("nickname ์ปฌ๋Ÿผ์ด ์ด๋ฏธ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.")
        else:
            raise
    except Exception as e:
        print(f"์˜ˆ์ƒ์น˜ ๋ชปํ•œ ์˜ค๋ฅ˜: {e}")
        raise

if __name__ == '__main__':
    print("๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์‹œ์ž‘...")
    migrate_database()
    print("๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์™„๋ฃŒ!")