import os
from dotenv import load_dotenv
from datetime import timedelta

load_dotenv()

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'dev-secret-key-for-testing-only'
    JWT_SECRET_KEY = os.environ.get('JWT_SECRET_KEY') or 'jwt-secret-key-for-development'
    JWT_ACCESS_TOKEN_EXPIRES = timedelta(hours=int(os.environ.get('JWT_ACCESS_TOKEN_EXPIRES', 1)))
    JWT_REFRESH_TOKEN_EXPIRES = timedelta(days=int(os.environ.get('JWT_REFRESH_TOKEN_EXPIRES', 7)))
    
    # MySQL Database Configuration
    DB_HOST = os.environ.get('DB_HOST', 'mysql.theaken.com')
    DB_PORT = os.environ.get('DB_PORT', '33306')
    DB_NAME = os.environ.get('DB_NAME', 'db_A001')
    DB_USER = os.environ.get('DB_USER', 'A001')
    DB_PASSWORD = os.environ.get('DB_PASSWORD', 'QFOts8FlibiI')
    
    SQLALCHEMY_DATABASE_URI = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    SQLALCHEMY_ECHO = False  # Set to True for SQL debugging
    
    CORS_ORIGINS = os.environ.get('CORS_ORIGINS', 'http://localhost:5000,http://127.0.0.1:5000').split(',')
    
    # Authentication settings
    ENABLE_REGISTRATION = os.environ.get('ENABLE_REGISTRATION', 'True').lower() == 'true'
    DEFAULT_ROLE = os.environ.get('DEFAULT_ROLE', 'user')
    SESSION_TIMEOUT = int(os.environ.get('SESSION_TIMEOUT', 3600))
    
    # Security settings
    BCRYPT_LOG_ROUNDS = int(os.environ.get('BCRYPT_LOG_ROUNDS', 12))
    
    # Email settings (optional)
    MAIL_SERVER = os.environ.get('MAIL_SERVER')
    MAIL_PORT = int(os.environ.get('MAIL_PORT', 587))
    MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS', 'True').lower() == 'true'
    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')