import os

from yuxi.channel.extensions.alipay.types import AlipayAccount, AlipayDmPolicy, AlipayMode


class AlipayConfig:
    ENV_MAP = {
        "app_id": "ALIPAY_APP_ID",
        "app_private_key": "ALIPAY_PRIVATE_KEY",
        "alipay_public_key": "ALIPAY_PUBLIC_KEY",
        "aes_key": "ALIPAY_AES_KEY",
        "mode": "ALIPAY_MODE",
        "dm_policy": "ALIPAY_DM_POLICY",
        "subscribe_msg": "ALIPAY_SUBSCRIBE_MSG",
        "remove_markdown": "ALIPAY_REMOVE_MD",
    }

    def list_account_ids(self, config: dict | None = None) -> list[str]:
        if self._resolve_app_id():
            return ["default"]
        return []

    def resolve_account(self, account_id: str = "default") -> AlipayAccount:
        app_id = self._resolve_app_id()
        return AlipayAccount(
            account_id=account_id,
            app_id=app_id or "",
            app_private_key=self._env_or_config("app_private_key") or "",
            alipay_public_key=self._env_or_config("alipay_public_key") or "",
            aes_key=self._env_or_config("aes_key"),
            mode=AlipayMode(self._env_or_config("mode") or "production"),
            gateway_url=(
                "https://openapi.alipaydev.com/gateway.do"
                if self._env_or_config("mode") == "sandbox"
                else "https://openapi.alipay.com/gateway.do"
            ),
            name=self._env_or_config("name") or "",
            enabled=self._env_or_config("enabled") != "false",
            dm_policy=AlipayDmPolicy(self._env_or_config("dm_policy") or "open"),
            allow_from=[],
            remove_markdown=self._env_or_config("remove_markdown") != "false",
            subscribe_msg=self._env_or_config("subscribe_msg") or "",
        )

    def is_configured(self, account: dict | None = None) -> bool:
        return bool(
            self._resolve_app_id()
            and self._env_or_config("app_private_key")
            and self._env_or_config("alipay_public_key")
        )

    def _resolve_app_id(self) -> str | None:
        return self._env_or_config("app_id")

    @staticmethod
    def _env_or_config(key: str) -> str | None:
        env_key = AlipayConfig.ENV_MAP.get(key, "")
        if env_key:
            val = os.getenv(env_key)
            if val:
                return val
        return None

    def config_schema(self) -> dict:
        return {
            "$schema": "https://json-schema.org/draft-07/schema#",
            "type": "object",
            "title": "支付宝渠道配置",
            "properties": {
                "app_id": {
                    "type": "string",
                    "title": "AppID",
                    "description": "支付宝开放平台应用 AppID",
                },
                "app_private_key": {
                    "type": "string",
                    "title": "应用私钥",
                    "x-ui-password": True,
                    "description": "RSA2 应用私钥 (PEM 格式)",
                },
                "alipay_public_key": {
                    "type": "string",
                    "title": "支付宝公钥",
                    "description": "支付宝公钥 (PEM 格式)",
                },
                "aes_key": {
                    "type": "string",
                    "title": "AES 解密密钥",
                    "x-ui-password": True,
                    "description": "AES 密钥（可选，16 字符）",
                },
                "mode": {
                    "type": "string",
                    "enum": ["production", "sandbox"],
                    "default": "production",
                    "title": "运行模式",
                },
                "dm_policy": {
                    "type": "string",
                    "enum": ["open", "pairing", "allowlist", "disabled"],
                    "default": "open",
                    "title": "DM 策略",
                },
                "subscribe_msg": {
                    "type": "string",
                    "title": "关注欢迎语",
                    "description": "用户关注生活号后自动回复的文本",
                },
                "remove_markdown": {
                    "type": "boolean",
                    "default": True,
                    "title": "移除 Markdown 格式",
                    "description": "自动移除 AI 回复中的 Markdown 符号",
                },
            },
            "required": ["app_id", "app_private_key", "alipay_public_key"],
        }

    def is_enabled(self, account: dict | None = None, config: dict | None = None) -> bool:
        if account is None:
            return self._env_or_config("enabled") != "false"
        return account.get("enabled", True)

    def disabled_reason(self, account: dict | None = None, config: dict | None = None) -> str:
        if not account:
            return "未配置账户"
        if not account.get("enabled", True):
            return "账户已被禁用"
        return ""

    def unconfigured_reason(self, account: dict | None = None, config: dict | None = None) -> str:
        if not account:
            return "未配置账户"
        missing = []
        if not account.get("app_id"):
            missing.append("AppId")
        if not account.get("app_private_key"):
            missing.append("应用私钥")
        if not account.get("alipay_public_key"):
            missing.append("支付宝公钥")
        return f"缺少: {', '.join(missing)}" if missing else ""

    def describe_account(self, account: dict | None = None, config: dict | None = None) -> dict:
        if not account:
            return {"account_id": ""}
        return {
            "account_id": account.get("account_id", "default"),
            "app_id": account.get("app_id", ""),
            "name": account.get("name", ""),
            "mode": account.get("mode", "production"),
            "dm_policy": account.get("dm_policy", "open"),
            "enabled": account.get("enabled", True),
        }

    def resolve_allow_from(self, config: dict, account_id: str | None = None) -> list[str] | None:
        account = self.resolve_account(account_id or "default")
        return account.allow_from or None

    def format_allow_from(self, config: dict, account_id: str | None, allow_from: list) -> list[str]:
        return [str(item) for item in allow_from]

    def has_configured_state(self, config: dict | None = None) -> bool:
        return self.is_configured()

    def has_persisted_auth_state(self, config: dict | None = None) -> bool:
        return bool(self._resolve_app_id() and self._env_or_config("app_private_key"))

    def default_account_id(self, config: dict | None = None) -> str:
        return "default"