import storage from "../storage";

export interface Config {
  restrictBaseUrl: string | string[];
  asManagedUsers: string[];
  supportURL: string;
  menu: MenuItem[];
}

export interface MenuItem {
  label: string;
  icon: string;
  url: string;
}

export const WellKnownKey = "cc.etke.synapse-admin";

export const LoadConfig = (context: Config): Config => {
  if (context.restrictBaseUrl) {
    storage.setItem("restrict_base_url", JSON.stringify(context.restrictBaseUrl));
  }

  if (context.asManagedUsers) {
    storage.setItem("as_managed_users", JSON.stringify(context.asManagedUsers));
  }

  let menu: MenuItem[] = [];
  if (context.menu) {
    menu = context.menu;
  }
  if (context.supportURL) {
    const migratedSupportURL = {
      label: "Contact support",
      icon: "SupportAgent",
      url: context.supportURL,
    };
    console.warn("supportURL config option is deprecated. Please, use the menu option instead. Automatically migrated to the new menu option:", migratedSupportURL);
    menu.push(migratedSupportURL as MenuItem);
  }
  if (menu.length > 0) {
    storage.setItem("menu", JSON.stringify(menu));
  }

  // below we try to calculate "final" config, which will contain values from context and already set values in storage
  // because LoadConfig could be called multiple times to get config from different sources
  let finalRestrictBaseUrl: string | string[] = "";
  try {
    finalRestrictBaseUrl = JSON.parse(storage.getItem("restrict_base_url") || "");
    if (Array.isArray(finalRestrictBaseUrl) && finalRestrictBaseUrl.length == 1) {
      finalRestrictBaseUrl = finalRestrictBaseUrl[0];
    }
  } catch (e) {}
  let finalAsManagedUsers: string[] = [];
  try {
    finalAsManagedUsers = JSON.parse(storage.getItem("as_managed_users") || "");
  } catch (e) {}

  let finalMenu: MenuItem[] = [];
  try {
    finalMenu = JSON.parse(storage.getItem("menu") || "");
  } catch (e) {}

  return {
    restrictBaseUrl: finalRestrictBaseUrl,
    asManagedUsers: finalAsManagedUsers,
    supportURL: storage.getItem("support_url") || "",
    menu: finalMenu,
  } as Config;

}


export const ClearConfig = () => {
  // config.json
  storage.removeItem("restrict_base_url");
  storage.removeItem("as_managed_users");
  storage.removeItem("support_url");
  storage.removeItem("menu");

  // session
  storage.removeItem("home_server");
  storage.removeItem("base_url");
  storage.removeItem("user_id");
  storage.removeItem("device_id");
  storage.removeItem("access_token");
  storage.removeItem("login_type");
}