from functools import lru_cache

from app.common.repository.admin_user_repository import AdminUserRepository
from app.core.config import Settings, get_settings
from app.core.database import Database
from app.lib.jwt.blacklist import InMemoryTokenBlacklist
from app.lib.jwt.factory import JwtFactory
from app.lib.response.admin_return import AdminReturn
from app.service.admin.login.login_service import LoginService
from app.service.admin.login.refresh_service import RefreshService
from app.service.admin.profile.current_user_service import CurrentUserService
from app.service.base_token_service import BaseTokenService


# lru_cache 会缓存函数第一次创建出来的对象。
# 这里用它把 Database、JwtFactory、TokenService 等依赖做成应用级单例，
# 类似 Hyperf 从容器里反复 get 同一个共享服务。
@lru_cache
def get_database() -> Database:
    return Database(get_settings().database_path)


@lru_cache
def get_token_blacklist() -> InMemoryTokenBlacklist:
    return InMemoryTokenBlacklist()


@lru_cache
def get_jwt_factory() -> JwtFactory:
    return JwtFactory(get_settings(), get_token_blacklist())


@lru_cache
def get_token_service() -> BaseTokenService:
    return BaseTokenService(get_jwt_factory())


@lru_cache
def get_admin_return() -> AdminReturn:
    return AdminReturn()


@lru_cache
def get_admin_user_repository() -> AdminUserRepository:
    return AdminUserRepository(get_database())


def get_login_service() -> LoginService:
    return LoginService(
        get_admin_user_repository(),
        get_token_service(),
        get_admin_return(),
    )


def get_refresh_service() -> RefreshService:
    return RefreshService(get_token_service(), get_admin_return())


def get_current_user_service() -> CurrentUserService:
    return CurrentUserService(get_admin_user_repository(), get_admin_return())


async def bootstrap_database(settings: Settings | None = None) -> None:
    settings = settings or get_settings()
    await get_database().initialize()
    await get_admin_user_repository().ensure_seed_admin(
        settings.admin_seed_username,
        settings.admin_seed_password,
    )