import os
from dotenv import load_dotenv


def _load_env_file():
    """加载 .env 配置文件"""
    root_path = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
    env_path = os.path.join(root_path, '.env')
    if os.path.exists(env_path):
        load_dotenv(env_path)
        return True
    return False


# 在任何 config 子模块被 import 之前加载 .env
_load_env_file()

# ============================================================
# 重新导出所有子模块配置（统一入口）
# ============================================================

# 应用基础配置
from config.app import (
    FASTAPI_NAME, FASTAPI_VERSION, FASTAPI_HOST, FASTAPI_PORT,
    FASTAPI_APP, FASTAPI_ENV, FASTAPI_DEBUG, FASTAPI_DEMO,
    FASTAPI_ROOT_PATH, FASTAPI_TEMPLATE_FOLDER, FASTAPI_STATIC_FOLDER,
    FASTAPI_UPLOAD_DIR, FASTAPI_IMAGE_PATH, FASTAPI_TEMP_PATH, FASTAPI_IMAGE_URL,
    TRUSTED_PROXY_COUNT,
)

# 数据库配置
from config.database import (
    DB_DRIVER, DB_HOST, DB_PORT, DB_DATABASE, DB_USERNAME, DB_PASSWORD,
    DB_PREFIX, DB_DEBUG, DB_POOL_SIZE, DB_MAX_OVERFLOW, DB_POOL_RECYCLE,
    DB_POOL_TIMEOUT, DB_CONNECT_TIMEOUT, SQLALCHEMY_MYSQL_URL,
    SQLALCHEMY_POSTGRESQL_URL, SQLALCHEMY_SQLITE_URL,
)

# Redis 缓存配置
from config.redis import (
    REDIS_HOST, REDIS_PORT, REDIS_PASSWORD, REDIS_INDEX,
    REDIS_AUTH, REDIS_DECODE_RESPONSES,
)

# JWT 认证配置
from config.auth import (
    JWT_SALT, JWT_EXPIRE_MINUTES,
    LOGIN_FAIL_MAX, LOGIN_LOCK_SECONDS,
)

# 验证码配置
from config.captcha import (
    CAPTCHA_LENGTH, CAPTCHA_EXPIRE, CAPTCHA_RATE_LIMIT, CAPTCHA_RATE_WINDOW,
    CAPTCHA_CHARS, CAPTCHA_FONT_PATH, CAPTCHA_IMAGE_WIDTH, CAPTCHA_IMAGE_HEIGHT,
    CAPTCHA_FONT_SIZE, CAPTCHA_NOISE_LINES, CAPTCHA_NOISE_DOTS, CAPTCHA_BYPASS_CODE,
)

# 邮件配置
from config.email import (
    MAIL_MAILER, MAIL_SERVER, MAIL_PORT, MAIL_USE_SSL,
    MAIL_USERNAME, MAIL_PASSWORD, MAIL_ENCRYPTION,
    MAIL_FROM_NAME, MAIL_FROM_ADDRESS,
)

# 短信配置
from config.sms import (
    SMS_URL, SMS_API_KEY, SMS_SIGN, SMS_TEMPLATE_ID,
)

__all__ = [
    # 应用基础配置
    'FASTAPI_NAME', 'FASTAPI_VERSION', 'FASTAPI_HOST', 'FASTAPI_PORT',
    'FASTAPI_APP', 'FASTAPI_ENV', 'FASTAPI_DEBUG', 'FASTAPI_DEMO',
    'FASTAPI_ROOT_PATH', 'FASTAPI_TEMPLATE_FOLDER', 'FASTAPI_STATIC_FOLDER',
    'FASTAPI_UPLOAD_DIR', 'FASTAPI_IMAGE_PATH', 'FASTAPI_TEMP_PATH', 'FASTAPI_IMAGE_URL',
    'TRUSTED_PROXY_COUNT',

    # 数据库配置
    'DB_DRIVER', 'DB_HOST', 'DB_PORT', 'DB_DATABASE', 'DB_USERNAME', 'DB_PASSWORD',
    'DB_PREFIX', 'DB_DEBUG', 'DB_POOL_SIZE', 'DB_MAX_OVERFLOW', 'DB_POOL_RECYCLE',
    'DB_POOL_TIMEOUT', 'DB_CONNECT_TIMEOUT', 'SQLALCHEMY_MYSQL_URL',
    'SQLALCHEMY_POSTGRESQL_URL', 'SQLALCHEMY_SQLITE_URL',

    # Redis 配置
    'REDIS_HOST', 'REDIS_PORT', 'REDIS_PASSWORD', 'REDIS_INDEX',
    'REDIS_AUTH', 'REDIS_DECODE_RESPONSES',

    # JWT 认证配置
    'JWT_SALT', 'JWT_EXPIRE_MINUTES',
    'LOGIN_FAIL_MAX', 'LOGIN_LOCK_SECONDS',

    # 验证码配置
    'CAPTCHA_LENGTH', 'CAPTCHA_EXPIRE', 'CAPTCHA_RATE_LIMIT', 'CAPTCHA_RATE_WINDOW',
    'CAPTCHA_CHARS', 'CAPTCHA_FONT_PATH', 'CAPTCHA_IMAGE_WIDTH', 'CAPTCHA_IMAGE_HEIGHT',
    'CAPTCHA_FONT_SIZE', 'CAPTCHA_NOISE_LINES', 'CAPTCHA_NOISE_DOTS', 'CAPTCHA_BYPASS_CODE',

    # 邮件配置
    'MAIL_MAILER', 'MAIL_SERVER', 'MAIL_PORT', 'MAIL_USE_SSL',
    'MAIL_USERNAME', 'MAIL_PASSWORD', 'MAIL_ENCRYPTION',
    'MAIL_FROM_NAME', 'MAIL_FROM_ADDRESS',

    # 短信配置
    'SMS_URL', 'SMS_API_KEY', 'SMS_SIGN', 'SMS_TEMPLATE_ID',
]