import os
import psycopg2
from dotenv import load_dotenv

load_dotenv()

def inspect_schema():
    db_host = os.getenv("DB_HOST", "192.168.3.195")
    db_user = os.getenv("DB_USER", "value")
    db_pass = os.getenv("DB_PASSWORD", "Value609!")
    db_name = os.getenv("DB_NAME", "fa3")
    db_port = os.getenv("DB_PORT", "5432")

    try:
        conn = psycopg2.connect(
            host=db_host, user=db_user, password=db_pass, dbname=db_name, port=db_port
        )
        cur = conn.cursor()
        
        print("--- Table Columns ---")
        cur.execute("""
            SELECT column_name, data_type 
            FROM information_schema.columns 
            WHERE table_name = 'stockcard';
        """)
        rows = cur.fetchall()
        for row in rows:
            print(f"{row[0]}: {row[1]}")
            
        print("\n--- Recent Records update_date ---")
        cur.execute("SELECT update_date FROM stockcard ORDER BY id DESC LIMIT 5")
        rows = cur.fetchall()
        for row in rows:
            print(f"{row[0]} (Type: {type(row[0])})")

        conn.close()

    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    inspect_schema()