import type { GetPlatformProxyOptions } from "wrangler";
import {
  getDefaultConfigPath,
  getDefaultPersistPath,
  validateConfigPath,
} from "./miniflare/paths.ts";

export const getCloudflareEnvProxy = async <E>(
  options: GetPlatformProxyOptions = {},
) => {
  const { getPlatformProxy } = await import("wrangler");
  const config = getPlatformProxyOptions(options);
  const proxy = await getPlatformProxy(config);
  return proxy.env as E;
};

export const getPlatformProxyOptions = (
  input: GetPlatformProxyOptions = {},
  throws: boolean = true,
): GetPlatformProxyOptions => {
  const persist =
    input.persist === false
      ? false
      : {
          path:
            typeof input.persist === "object" &&
            typeof input.persist.path === "string"
              ? input.persist.path
              : getDefaultPersistPath(),
        };
  if (!persist) {
    const message =
      "[Alchemy] Persistence for local bindings is disabled. Some bindings may not work as expected. To enable, remove the `persist` option from getPlatformProxyOptions.";
    if (!warned.has(message)) {
      console.warn(message);
      warned.add(message);
    }
  }
  return {
    ...input,
    configPath: validateConfigPath(
      input.configPath ?? getDefaultConfigPath(),
      throws,
    ),
    persist,
  };
};

const warned = new Set<string>();