type ClientErrorTone = "error" | "warning";
type ClientActionKind = "bind-account" | "open-console" | "probe-account" | "unbind-account";

interface ClientErrorPresentation {
  tone: ClientErrorTone;
  title: string;
  content: string;
}

const REMOTE_METHOD_PREFIX = /^Error invoking remote method '[^']+':\s*/i;
const ERROR_PREFIX = /^Error:\s*/i;

function rawErrorMessage(error: unknown): string {
  if (error instanceof Error) {
    return error.message;
  }
  if (typeof error === "string") {
    return error;
  }
  return "";
}

export function unwrapClientErrorMessage(error: unknown, fallback: string): string {
  let message = rawErrorMessage(error).trim();
  let previous = "";

  while (message && message !== previous) {
    previous = message;
    message = message
      .replace(REMOTE_METHOD_PREFIX, "")
      .replace(ERROR_PREFIX, "")
      .trim();
  }

  return message || fallback;
}

function presentClientError(kind: ClientActionKind, error: unknown): ClientErrorPresentation {
  const message = unwrapClientErrorMessage(
    error,
    kind === "bind-account"
      ? "账号绑定失败"
      : kind === "unbind-account"
        ? "账号解绑失败"
        : kind === "probe-account"
          ? "账号校验失败"
          : "打开平台失败",
  );

  if (message === "desktop_account_bind_window_closed") {
    return {
      tone: "warning",
      title: "授权已中断",
      content: "授权窗口已关闭，本次绑定没有完成。重新点击“绑定账号”即可继续。",
    };
  }

  if (message === "desktop_account_bind_limit_reached") {
    return {
      tone: "warning",
      title: "授权窗口已达上限",
      content: "当前最多同时打开 2 个授权窗口。请先完成或关闭已有授权窗口，再继续新的绑定。",
    };
  }

  if (message === "desktop_account_upsert_failed") {
    return {
      tone: "error",
      title: "保存授权账号失败",
      content: "平台侧授权已经完成，但客户端回写账号信息失败。请稍后重试。",
    };
  }

  if (message === "desktop_account_bind_failed") {
    return {
      tone: "error",
      title: "账号绑定失败",
      content: "授权流程执行失败，请稍后重新发起绑定。",
    };
  }

  if (message.startsWith("desktop_platform_not_supported:")) {
    const platformId = message.split(":")[1] || "当前平台";
    return {
      tone: "error",
      title: "平台暂不支持",
      content: `${platformId} 暂时还不支持这个操作。`,
    };
  }

  if (message === "desktop_account_sync_conflict") {
    return {
      tone: "warning",
      title: kind === "unbind-account" ? "账号状态已变化" : "账号状态已更新",
      content: "当前账号状态刚刚发生了变化。请先刷新列表，再重试这次操作。",
    };
  }

  if (message === "desktop_account_delete_failed") {
    return {
      tone: "error",
      title: "账号解绑失败",
      content: "服务端解绑没有成功完成，请稍后重试。",
    };
  }

  if (kind === "open-console") {
    return {
      tone: "error",
      title: "打开平台失败",
      content: message,
    };
  }

  if (kind === "probe-account") {
    return {
      tone: "error",
      title: "账号校验失败",
      content: message,
    };
  }

  if (kind === "unbind-account") {
    return {
      tone: "error",
      title: "账号解绑失败",
      content: message,
    };
  }

  return {
    tone: "error",
    title: "账号绑定失败",
    content: message,
  };
}

export async function showClientActionError(kind: ClientActionKind, error: unknown): Promise<void> {
  const presentation = presentClientError(kind, error);
  const { Modal } = await import("ant-design-vue");
  const showModal = presentation.tone === "warning" ? Modal.warning : Modal.error;

  showModal({
    title: presentation.title,
    content: presentation.content,
    okText: "知道了",
    centered: true,
    maskClosable: true,
  });
}