import { getChannelSetupWizardAdapter } from "./channel-setup/registry.js";
import type { ChannelSetupWizardAdapter } from "./channel-setup/types.js";
import type { ChannelChoice } from "./onboard-types.js";

type ChannelSetupWizardAdapterPatch = Partial<
  Pick<
    ChannelSetupWizardAdapter,
    | "afterConfigWritten"
    | "configure"
    | "configureInteractive"
    | "configureWhenConfigured"
    | "getStatus"
  >
>;

type PatchedSetupAdapterFields = {
  afterConfigWritten?: ChannelSetupWizardAdapter["afterConfigWritten"];
  configure?: ChannelSetupWizardAdapter["configure"];
  configureInteractive?: ChannelSetupWizardAdapter["configureInteractive"];
  configureWhenConfigured?: ChannelSetupWizardAdapter["configureWhenConfigured"];
  getStatus?: ChannelSetupWizardAdapter["getStatus"];
};

export function patchChannelSetupWizardAdapter(
  channel: ChannelChoice,
  patch: ChannelSetupWizardAdapterPatch,
): () => void {
  const adapter = getChannelSetupWizardAdapter(channel);
  if (!adapter) {
    throw new Error(`missing setup adapter for ${channel}`);
  }

  const previous: PatchedSetupAdapterFields = {};

  if (Object.prototype.hasOwnProperty.call(patch, "getStatus")) {
    previous.getStatus = adapter.getStatus;
    adapter.getStatus = patch.getStatus ?? adapter.getStatus;
  }
  if (Object.prototype.hasOwnProperty.call(patch, "afterConfigWritten")) {
    previous.afterConfigWritten = adapter.afterConfigWritten;
    adapter.afterConfigWritten = patch.afterConfigWritten;
  }
  if (Object.prototype.hasOwnProperty.call(patch, "configure")) {
    previous.configure = adapter.configure;
    adapter.configure = patch.configure ?? adapter.configure;
  }
  if (Object.prototype.hasOwnProperty.call(patch, "configureInteractive")) {
    previous.configureInteractive = adapter.configureInteractive;
    adapter.configureInteractive = patch.configureInteractive;
  }
  if (Object.prototype.hasOwnProperty.call(patch, "configureWhenConfigured")) {
    previous.configureWhenConfigured = adapter.configureWhenConfigured;
    adapter.configureWhenConfigured = patch.configureWhenConfigured;
  }

  return () => {
    if (Object.prototype.hasOwnProperty.call(patch, "getStatus")) {
      adapter.getStatus = previous.getStatus!;
    }
    if (Object.prototype.hasOwnProperty.call(patch, "afterConfigWritten")) {
      adapter.afterConfigWritten = previous.afterConfigWritten;
    }
    if (Object.prototype.hasOwnProperty.call(patch, "configure")) {
      adapter.configure = previous.configure!;
    }
    if (Object.prototype.hasOwnProperty.call(patch, "configureInteractive")) {
      adapter.configureInteractive = previous.configureInteractive;
    }
    if (Object.prototype.hasOwnProperty.call(patch, "configureWhenConfigured")) {
      adapter.configureWhenConfigured = previous.configureWhenConfigured;
    }
  };
}

export const patchChannelOnboardingAdapter = patchChannelSetupWizardAdapter;