"""独立每日签到插件 - 配置。

与 onmyoji_gacha 抽卡插件共用同一 xapi 服务（/bot/gacha）与鉴权配置，
签到数据天然共用 xapi `bot_gacha_daily_sign_in` 表。
"""

from pydantic import Field, field_validator
from pydantic_settings import BaseSettings, SettingsConfigDict
import os


def _read_nonebot_config(name: str) -> str:
    """从 NoneBot driver.config 读取配置；测试或独立加载模块时静默回退。"""

    try:
        from nonebot import get_driver

        driver_config = get_driver().config
    except Exception:
        return ""
    value = getattr(driver_config, name.lower(), "")
    return str(value) if value is not None else ""


def _read_setting(name: str) -> str:
    """按单个配置名读取系统环境变量，再读取 NoneBot 配置对象。"""

    return os.getenv(name, "") or _read_nonebot_config(name)


def _first_setting(*names: str, default: str = "") -> str:
    """按业务优先级读取多个兼容配置名。"""

    for name in names:
        value = _read_setting(name)
        if value:
            return value
    return default


class Config(BaseSettings):
    model_config = SettingsConfigDict(extra="ignore")

    # xapi /bot/gacha 运行时 API 配置（与 onmyoji_gacha 共用同一服务与鉴权）
    GACHA_API_HOST: str = Field(
        default_factory=lambda: _first_setting(
            "DANDING_GACHA_API_HOST",
            default="https://api.danding.vip/bot/gacha",
        )
    )
    BOT_TOKEN: str = Field(
        default_factory=lambda: _first_setting(
            "DANDING_BOT_TOKEN",
            "ONMYOJI_BOT_TOKEN",
            "DANDING_API_TOKEN",
            "BOT_TOKEN",
        )
    )
    BOT_USER_ID: str = Field(default_factory=lambda: _first_setting("DANDING_BOT_USER", default="1424473282"))

    # 权限：白名单群聊 + 管理员
    ALLOWED_GROUP_ID: int = 621016172
    ALLOWED_USER_ID: int = 1424473282

    # 签到积分区间（与抽卡签到一致：随机 1-100）
    SIGN_IN_POINTS_MIN: int = 1
    SIGN_IN_POINTS_MAX: int = 100

    # 积分流水标记（与抽卡/WPF 签到共用同一事件语义，保持流水一致）
    SIGN_IN_SOURCE: str = "gacha_sign"
    SIGN_IN_REASON: str = "抽卡签到"

    @field_validator("GACHA_API_HOST")
    @classmethod
    def validate_gacha_api_host(cls, value):
        if not value:
            raise ValueError("GACHA_API_HOST cannot be empty")
        return value.rstrip("/")