import type { Config, ResolvedRegister } from "@wagmi/core";
import { createMemo, useContext, type Accessor } from "solid-js";
import { WagmiContext } from "../context.js";
import { WagmiProviderNotFoundError } from "../errors/context.js";
import type { ConfigParameter } from "../types/index.js";

export type UseConfigParameters<config extends Config = Config> = Accessor<
  ConfigParameter<config>
>;

export type UseConfigReturnType<config extends Config = Config> =
  Accessor<config>;

export function useConfig<config extends Config = ResolvedRegister["config"]>(
  parameters: UseConfigParameters<config> = () => ({})
): UseConfigReturnType<config> {
  return createMemo(() => {
    const config = parameters().config ?? useContext(WagmiContext);
    if (!config) throw new WagmiProviderNotFoundError();

    return config as config;
  });
}