import sqlite3
import os
import logging
import json

# 设置日志
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# 数据库路径
DB_DIR = "data"
DB_PATH = os.path.join(DB_DIR, "app.db")

def check_and_alter_table():
    # 检查数据库文件是否存在
    if not os.path.exists(DB_PATH):
        logger.error(f"数据库文件 {DB_PATH} 不存在")
        return
    
    conn = sqlite3.connect(DB_PATH)
    cursor = conn.cursor()
    
    # 检查talents表是否存在idcode字段
    cursor.execute("PRAGMA table_info(talents)")
    columns = [column[1] for column in cursor.fetchall()]
    
    if 'idcode' not in columns:
        logger.info("talents表中添加idcode字段")
        cursor.execute("ALTER TABLE talents ADD COLUMN idcode TEXT")
        conn.commit()
    else:
        logger.info("talents表已包含idcode字段，无需修改")
    
    # 检查talents表是否存在educationBackground字段
    if 'educationBackground' not in columns:
        logger.info("talents表中添加educationBackground字段")
        cursor.execute("ALTER TABLE talents ADD COLUMN educationBackground TEXT")
        conn.commit()
    else:
        logger.info("talents表已包含educationBackground字段，无需修改")
    
    # 检查labs表是否存在idcode字段
    cursor.execute("PRAGMA table_info(labs)")
    labs_columns = [column[1] for column in cursor.fetchall()]
    
    if 'idcode' not in labs_columns:
        logger.info("labs表中添加idcode字段")
        cursor.execute("ALTER TABLE labs ADD COLUMN idcode TEXT")
        conn.commit()
    else:
        logger.info("labs表已包含idcode字段，无需修改")
    
    # 检查dimensions表是否存在sub_dimensions字段
    cursor.execute("PRAGMA table_info(dimensions)")
    columns = [column[1] for column in cursor.fetchall()]
    
    if 'sub_dimensions' not in columns:
        logger.info("dimensions表中添加sub_dimensions字段")
        cursor.execute("ALTER TABLE dimensions ADD COLUMN sub_dimensions JSON")
        conn.commit()
    else:
        logger.info("dimensions表已包含sub_dimensions字段，无需修改")
    
    # 检查dimensions表是否存在parent_id字段
    if 'parent_id' not in columns:
        logger.info("dimensions表中添加parent_id字段")
        cursor.execute("ALTER TABLE dimensions ADD COLUMN parent_id INTEGER REFERENCES dimensions(id)")
        conn.commit()
    else:
        logger.info("dimensions表已包含parent_id字段，无需修改")
    
    # 检查labs表是否存在sub_dimension_evaluations字段
    if 'sub_dimension_evaluations' not in labs_columns:
        logger.info("labs表中添加sub_dimension_evaluations字段")
        cursor.execute("ALTER TABLE labs ADD COLUMN sub_dimension_evaluations TEXT")
        conn.commit()
    else:
        logger.info("labs表已包含sub_dimension_evaluations字段，无需修改")
    
    conn.close()

if __name__ == "__main__":
    check_and_alter_table()