export type Request = TranslationRequest | FinishRequest;

export interface TranslationRequest {
  type: "translation";
  fileName: string;
  fileContent: string;
}

export type GeneratorMode = "dynamic" | "inline";

export interface FinishRequest {
  type: "finish";
  elmModuleName: string;
  generatorMode: GeneratorMode | null;
  addContentHash: boolean | null;
  i18nArgFirst: boolean | null;
  prefixFileIdentifier: boolean | null;
  customHtmlModule: string;
  customHtmlAttributesModule: string;
}

export interface Response {
  error?: string;
  content?: ResponseContent;
}

export interface ResponseContent {
  elmFile: string;
  optimizedJson: { filename: string; content: string }[];
}

export type ResponseHandler = (res: Response) => void;

export interface Ports {
  receiveRequest: {
    send: (req: Request) => void;
  };
  sendResponse: {
    subscribe: (handler: ResponseHandler) => void;
    unsubscribe: (handler: ResponseHandler) => void;
  };
}

export const Elm: {
  Main: {
    init(args: { flags: { version: string; intl: {}; devMode: boolean } }): {
      ports: Ports;
    };
  };
};