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import { GenericPrompt } from "./_generic_prompt.ts";import { underline } from "./deps.ts";import {  GenericInput,  GenericInputKeys,  GenericInputPromptOptions,  GenericInputPromptSettings,} from "./_generic_input.ts";
/** Secret prompt options. */export interface SecretOptions  extends GenericInputPromptOptions<string, string> {  keys?: SecretKeys;  /** Change prompt label. Default is `Secret`. */  label?: string;  /**   * If enabled, the input value is hidden, otherwise each character is replaced   * with a `*`.   */  hidden?: boolean;  /** Limit minimum allowed length of the secret. */  minLength?: number;  /** Limit maximum allowed length of the secret. */  maxLength?: number;}
/** Secret prompt settings. */interface SecretSettings extends GenericInputPromptSettings<string, string> {  label: string;  hidden: boolean;  minLength: number;  maxLength: number;  keys?: SecretKeys;}
/** Secret prompt keymap. */export type SecretKeys = GenericInputKeys;
/** * Secret prompt representation. * * ```ts * import { Secret } from "./mod.ts"; * * const password: string = await Secret.prompt("Enter your password"); * ``` */export class Secret extends GenericInput<string, string> {  protected readonly settings: SecretSettings;
  /** Execute the prompt with provided message or options. */  public static prompt(options: string | SecretOptions): Promise<string> {    return new this(options).prompt();  }
  /**   * Inject prompt value. If called, the prompt doesn't prompt for an input and   * returns immediately the injected value. Can be used for unit tests or pre   * selections.   *   * @param value Input value.   */  public static inject(value: string): void {    GenericPrompt.inject(value);  }
  constructor(options: string | SecretOptions) {    super();    if (typeof options === "string") {      options = { message: options };    }    this.settings = this.getDefaultSettings(options);  }
  public getDefaultSettings(options: SecretOptions): SecretSettings {    return {      ...super.getDefaultSettings(options),      label: options.label ?? "Secret",      hidden: options.hidden ?? false,      minLength: options.minLength ?? 0,      maxLength: options.maxLength ?? Infinity,    };  }
  protected input(): string {    return underline(      this.settings.hidden ? "" : "*".repeat(this.inputValue.length),    );  }
  /** Read user input. */  protected read(): Promise<boolean> {    if (this.settings.hidden) {      this.settings.tty.cursorHide();    }    return super.read();  }
  /**   * Validate input value.   * @param value User input value.   * @return True on success, false or error message on error.   */  protected validate(value: string): boolean | string {    if (typeof value !== "string") {      return false;    }    if (value.length < this.settings.minLength) {      return `${this.settings.label} must be longer than ${this.settings.minLength} but has a length of ${value.length}.`;    }    if (value.length > this.settings.maxLength) {      return `${this.settings.label} can't be longer than ${this.settings.maxLength} but has a length of ${value.length}.`;    }    return true;  }
  /**   * Map input value to output value.   * @param value Input value.   * @return Output value.   */  protected transform(value: string): string | undefined {    return value;  }
  /**   * Format output value.   * @param value Output value.   */  protected format(value: string): string {    return this.settings.hidden ? "*".repeat(8) : "*".repeat(value.length);  }
  /** Get input input. */  protected getValue(): string {    return this.inputValue;  }}