/**
 * UI Adapter Types - Interface for decoupling UI from domain logic
 *
 * These types define the contract between domain/application layers and presentation layer,
 * allowing the session layer to remain independent of specific UI frameworks (inquirer, chalk, etc.)
 */
/**
 * Represents a question to ask the user
 */
export interface UIQuestion {
    /** Validation function for user input */
    validate?: (value: unknown) => boolean | string;
    /** Possible choices for checkbox/list questions */
    choices?: Array<{
        /** Whether choice is selected by default */
        checked?: boolean;
        /** Display name for the choice */
        name: string;
        /** Value to return when selected */
        value: string;
    }>;
    /** Default value */
    default?: unknown;
    /** Question message to display */
    message: string;
    /** Property name for the answer */
    name: string;
    /** Type of question */
    type: 'checkbox' | 'confirm' | 'input' | 'number';
}
/**
 * Display formatting options
 */
export interface DisplayOptions {
    /** Color to use for text */
    color?: 'cyan' | 'gray' | 'green' | 'red' | 'yellow';
    /** Whether to bold the text */
    bold?: boolean;
}
/**
 * UI Adapter interface - abstracts UI interactions
 *
 * This interface allows domain logic to perform UI operations without depending
 * on specific UI libraries. Concrete implementations in CLI layer handle the
 * actual rendering using inquirer, chalk, etc.
 */
export interface UIAdapter {
    /**
     * Display a message to the user
     */
    display(message: string, options?: DisplayOptions): void;
    /**
     * Display a formatted header/section
     */
    displayHeader(title: string, options?: {
        width?: number;
    }): void;
    /**
     * Display a separator line
     */
    displaySeparator(width?: number, options?: DisplayOptions): void;
    /**
     * Display an error message
     */
    displayError(message: string, error?: Error): void;
    /**
     * Display a success message
     */
    displaySuccess(message: string): void;
    /**
     * Display a warning message
     */
    displayWarning(message: string): void;
    /**
     * Prompt user with questions
     * @returns Answers to the questions, or null if user cancelled
     */
    prompt(questions: UIQuestion[]): Promise<null | Record<string, unknown>>;
    /**
     * Format text with color and styling
     */
    format(text: string, options: DisplayOptions): string;
    /**
     * Format bytes to human-readable string
     */
    formatBytes(bytes: number): string;
}
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