from __future__ import annotations

import os
from dataclasses import dataclass
from pathlib import Path


@dataclass
class Settings:
    host: str
    port: int
    api_keys: list[str]
    lingma_bin: str
    lingma_work_dir: str
    lingma_socket_port: int
    lingma_startup_timeout: int
    lingma_rpc_timeout: int
    default_model: str
    default_ask_mode: str
    dedicated_domain_url: str
    auto_login_enabled: bool
    auto_login_headless: bool
    auto_login_timeout: int
    auto_login_max_retry: int
    lingma_username: str
    lingma_password: str


def load_settings() -> Settings:
    keys_raw = os.getenv("API_KEYS", "")
    api_keys = [k.strip() for k in keys_raw.split(",") if k.strip()]
    work_dir = os.getenv(
        "LINGMA_WORK_DIR",
        str(Path.home() / ".lingma" / "vscode" / "sharedClientCache"),
    )
    return Settings(
        host=os.getenv("HOST", "0.0.0.0"),
        port=int(os.getenv("PORT", "8317")),
        api_keys=api_keys,
        lingma_bin=os.getenv("LINGMA_BIN", "/app/bin/Lingma"),
        lingma_work_dir=work_dir,
        lingma_socket_port=int(os.getenv("LINGMA_SOCKET_PORT", "36510")),
        lingma_startup_timeout=int(os.getenv("LINGMA_STARTUP_TIMEOUT", "40")),
        lingma_rpc_timeout=int(os.getenv("LINGMA_RPC_TIMEOUT", "30")),
        default_model=os.getenv("DEFAULT_MODEL", "org_auto"),
        default_ask_mode=os.getenv("DEFAULT_ASK_MODE", "chat"),
        dedicated_domain_url=os.getenv("DEDICATED_DOMAIN_URL", "").strip(),
        auto_login_enabled=os.getenv("AUTO_LOGIN_ENABLED", "true").lower() in {"1", "true", "yes", "on"},
        auto_login_headless=os.getenv("AUTO_LOGIN_HEADLESS", "true").lower() in {"1", "true", "yes", "on"},
        auto_login_timeout=int(os.getenv("AUTO_LOGIN_TIMEOUT", "180")),
        auto_login_max_retry=int(os.getenv("AUTO_LOGIN_MAX_RETRY", "2")),
        lingma_username=os.getenv("LINGMA_USERNAME", "").strip(),
        lingma_password=os.getenv("LINGMA_PASSWORD", "").strip(),
    )