import mysql.connector
import os
from db import DB_CONFIG

def initialize_database():
    try:
        # Connect to MySQL (without specific database)
        conn = mysql.connector.connect(
            host=DB_CONFIG["host"],
            user=DB_CONFIG["user"],
            password=DB_CONFIG["password"],
            port=DB_CONFIG["port"]
        )
        cursor = conn.cursor()
        
        # Read and execute schema.sql
        schema_path = os.path.join(os.path.dirname(__file__), "schema.sql")
        with open(schema_path, "r", encoding="utf-8") as f:
            sql_commands = f.read().split(";")
            
        for command in sql_commands:
            if command.strip():
                try:
                    cursor.execute(command)
                except mysql.connector.Error as e:
                    # Ignore table already exists errors or database creation if it exists
                    if e.errno == 1007: # Database exists
                        continue
                    print(f"Executing command error: {e}")
        
        conn.commit()
        print("Database initialized/updated successfully")
        
    except mysql.connector.Error as err:
        print(f"Error connecting to MySQL: {err}")
    finally:
        if 'conn' in locals() and conn.is_connected():
            cursor.close()
            conn.close()

if __name__ == "__main__":
    initialize_database()