from __future__ import annotations

from typing import Any

from yuxi.channel.extensions.wechat_ilink.types import ILinkAccount


def resolve_account(config: dict[str, Any], account_id: str | None = None) -> ILinkAccount | None:
    accounts: list[dict[str, Any]] = config.get("accounts", [])
    if not accounts:
        return None

    if account_id:
        for acct in accounts:
            if acct.get("account_id") == account_id:
                return _parse_account(acct)
    else:
        return _parse_account(accounts[0])

    return None


def list_accounts(config: dict[str, Any]) -> list[ILinkAccount]:
    accounts: list[dict[str, Any]] = config.get("accounts", [])
    return [_parse_account(acct) for acct in accounts]


def _parse_account(data: dict[str, Any]) -> ILinkAccount:
    return ILinkAccount(
        account_id=data.get("account_id", "default"),
        bot_token=data.get("bot_token", ""),
        refresh_token=data.get("refresh_token", ""),
        bot_user_id=data.get("bot_user_id", ""),
        bot_nickname=data.get("bot_nickname", ""),
        token_expires_at=data.get("token_expires_at", 0.0),
        dm_policy=data.get("dm_policy", "open"),
        group_policy=data.get("group_policy", "open"),
        allow_from=data.get("allow_from", []),
        enabled=data.get("enabled", True),
        proxy=data.get("proxy"),
        poll_timeout=data.get("poll_timeout", 25),
        poll_interval=data.get("poll_interval", 0.25),
        max_retries=data.get("max_retries", 100),
        ilink_bot_id=data.get("ilink_bot_id", ""),
        ilink_user_id=data.get("ilink_user_id", ""),
        base_url=data.get("base_url", "https://ilinkai.weixin.qq.com"),
    )


def serialize_account(account: ILinkAccount) -> dict[str, Any]:
    return {
        "account_id": account.account_id,
        "bot_token": account.bot_token,
        "refresh_token": account.refresh_token,
        "bot_user_id": account.bot_user_id,
        "bot_nickname": account.bot_nickname,
        "token_expires_at": account.token_expires_at,
        "dm_policy": account.dm_policy,
        "group_policy": account.group_policy,
        "allow_from": account.allow_from,
        "enabled": account.enabled,
        "proxy": account.proxy,
        "poll_timeout": account.poll_timeout,
        "poll_interval": account.poll_interval,
        "max_retries": account.max_retries,
        "ilink_bot_id": account.ilink_bot_id,
        "ilink_user_id": account.ilink_user_id,
        "base_url": account.base_url,
    }


def config_schema() -> dict:
    return {
        "type": "object",
        "title": "微信个人号 (iLink) 渠道配置",
        "properties": {
            "enabled": {"type": "boolean", "default": True},
            "dm_policy": {
                "type": "string",
                "enum": ["open", "allowlist", "pairing", "disabled"],
                "default": "open",
                "description": "私聊策略：open=无限制, allowlist=白名单, pairing=配对验证, disabled=禁用",
            },
            "group_policy": {
                "type": "string",
                "enum": ["open", "allowlist", "disabled"],
                "default": "open",
                "description": "群聊策略",
            },
            "allow_from": {
                "type": "array",
                "items": {"type": "string"},
                "description": "白名单用户/群组 ID 列表",
            },
            "poll_timeout": {"type": "integer", "default": 25, "description": "长轮询超时(秒)"},
            "poll_interval": {"type": "number", "default": 0.25, "description": "轮询间隔(秒)"},
            "max_retries": {"type": "integer", "default": 100, "description": "最大重试次数"},
            "proxy": {"type": "string", "description": "HTTP 代理地址"},
            "base_url": {
                "type": "string",
                "default": "https://ilinkai.weixin.qq.com",
                "description": "iLink API 基础地址",
            },
            "accounts": {
                "type": "object",
                "additionalProperties": {
                    "type": "object",
                    "properties": {
                        "bot_token": {"type": "string", "description": "Bot Token"},
                        "refresh_token": {"type": "string"},
                        "bot_user_id": {"type": "string"},
                        "bot_nickname": {"type": "string"},
                        "token_expires_at": {"type": "number"},
                        "dm_policy": {"type": "string", "enum": ["open", "allowlist", "pairing", "disabled"]},
                        "group_policy": {"type": "string", "enum": ["open", "allowlist", "disabled"]},
                        "allow_from": {"type": "array", "items": {"type": "string"}},
                        "enabled": {"type": "boolean", "default": True},
                        "proxy": {"type": "string"},
                        "poll_timeout": {"type": "integer", "default": 25},
                        "poll_interval": {"type": "number", "default": 0.25},
                        "max_retries": {"type": "integer", "default": 100},
                        "ilink_bot_id": {"type": "string"},
                        "ilink_user_id": {"type": "string"},
                        "base_url": {"type": "string", "default": "https://ilinkai.weixin.qq.com"},
                    },
                },
            },
        },
    }