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import { GenericPrompt } from "./_generic_prompt.ts";import {  GenericSuggestions,  GenericSuggestionsKeys,  GenericSuggestionsOptions,  GenericSuggestionsSettings,} from "./_generic_suggestions.ts";import { normalize } from "./deps.ts";
/** Input prompt options. */export interface InputOptions  extends GenericSuggestionsOptions<string, string> {  /** Keymap to assign key names to prompt actions. */  keys?: InputKeys;  /** Set minimum allowed length of input value. */  minLength?: number;  /** Set maximum allowed length of input value. */  maxLength?: number;}
/** Input prompt settings. */interface InputSettings extends GenericSuggestionsSettings<string, string> {  minLength: number;  maxLength: number;  keys?: InputKeys;}
/** Input prompt keymap. */export type InputKeys = GenericSuggestionsKeys;
/** * Input prompt representation. * * ```ts * import { Input } from "./mod.ts"; * * const confirmed: string = await Input.prompt("Enter your name"); * ``` */export class Input extends GenericSuggestions<string, string> {  protected readonly settings: InputSettings;
  /** Execute the prompt with provided options. */  public static prompt(options: string | InputOptions): 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 | InputOptions) {    super();    if (typeof options === "string") {      options = { message: options };    }    this.settings = this.getDefaultSettings(options);  }
  public getDefaultSettings(options: InputOptions): InputSettings {    return {      ...super.getDefaultSettings(options),      minLength: options.minLength ?? 0,      maxLength: options.maxLength ?? Infinity,    };  }
  protected success(value: string): string | undefined {    this.saveSuggestions(value);    return super.success(value);  }
  /** Get input value. */  protected getValue(): string {    return this.settings.files ? normalize(this.inputValue) : this.inputValue;  }
  /**   * 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 `Value must be longer than ${this.settings.minLength} but has a length of ${value.length}.`;    }    if (value.length > this.settings.maxLength) {      return `Value 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.trim();  }
  /**   * Format output value.   * @param value Output value.   */  protected format(value: string): string {    return value;  }}