/**
 * TUI Diff Renderer
 *
 * Renders unified diffs in a beautiful terminal UI with:
 * - Header with file path and statistics
 * - Toolbar with action buttons
 * - Line numbers (old and new)
 * - Color coding (green for added, red for removed)
 * - Footer with keyboard shortcuts
 * - Scrolling support for long diffs
 * - Light and dark theme support
 */
import { ChalkInstance } from 'chalk';
import { ParsedDiff, Hunk, DiffLine } from '../diff-engine.js';
import { PendingChange } from '../state-manager.js';
/**
 * Theme configuration for light and dark terminals
 */
export interface TUITheme {
    name: 'light' | 'dark';
    headerBg: ChalkInstance;
    headerText: ChalkInstance;
    headerPath: ChalkInstance;
    toolbarBg: ChalkInstance;
    toolbarText: ChalkInstance;
    toolbarActive: ChalkInstance;
    addedLine: ChalkInstance;
    addedLineBg: ChalkInstance;
    deletedLine: ChalkInstance;
    deletedLineBg: ChalkInstance;
    unchangedLine: ChalkInstance;
    lineNumber: ChalkInstance;
    lineNumberActive: ChalkInstance;
    hunkHeader: ChalkInstance;
    hunkHeaderBg: ChalkInstance;
    separator: ChalkInstance;
    footerBg: ChalkInstance;
    footerText: ChalkInstance;
    footerShortcut: ChalkInstance;
    statsAdded: ChalkInstance;
    statsDeleted: ChalkInstance;
    statsModified: ChalkInstance;
}
/**
 * Predefined themes for the TUI renderer
 */
export declare const THEMES: Record<'light' | 'dark', TUITheme>;
/**
 * Configuration options for TUIRenderer
 */
export interface TUIRendererConfig {
    theme: 'light' | 'dark' | TUITheme;
    lineNumbers: boolean;
    showToolbar: boolean;
    showFooter: boolean;
    contextLines: number;
    maxLineLength: number;
    scrollOffset: number;
}
/**
 * Action button definition for toolbar
 */
export interface ActionButton {
    key: string;
    label: string;
    shortcut: string;
    active?: boolean;
    destructive?: boolean;
}
/**
 * Bulk action button definition for bulk operations toolbar
 */
export interface BulkActionButton extends ActionButton {
    action: 'acceptAll' | 'rejectAll' | 'acceptFile' | 'rejectFile' | 'acceptHunk' | 'rejectHunk';
}
/**
 * Stats display for showing change statistics
 */
export interface StatsDisplay {
    accepted: number;
    rejected: number;
    pending: number;
    total: number;
    percentageComplete: number;
}
/**
 * Render statistics for a diff
 */
export interface DiffStats {
    additions: number;
    deletions: number;
    changes: number;
    fileStatus: 'added' | 'modified' | 'deleted' | 'renamed' | 'unchanged';
}
/**
 * TUIRenderer - Terminal UI Diff Renderer
 *
 * Renders diffs in a beautiful terminal interface with full scrolling support,
 * line numbers, color coding, and customizable themes.
 */
export declare class TUIRenderer {
    private config;
    private theme;
    private terminalWidth;
    private terminalHeight;
    private scrollPosition;
    private actionButtons;
    private bulkActionButtons;
    private pendingChange;
    private currentHunkIndex;
    private confirmationDialog;
    private onBulkActionCallback?;
    constructor(config?: Partial<TUIRendererConfig>);
    /**
     * Set the pending change for bulk actions
     */
    setPendingChange(change: PendingChange | null): void;
    /**
     * Get the current pending change
     */
    getPendingChange(): PendingChange | null;
    /**
     * Set current hunk index for hunk-level actions
     */
    setCurrentHunkIndex(index: number): void;
    /**
     * Get current hunk index
     */
    getCurrentHunkIndex(): number;
    /**
     * Set callback for bulk actions
     */
    setOnBulkActionCallback(callback: (action: string, hunkIndex?: number) => void): void;
    /**
     * Resolve theme from string or object
     */
    private resolveTheme;
    /**
     * Get terminal width
     */
    private getTerminalWidth;
    /**
     * Get terminal height
     */
    private getTerminalHeight;
    /**
     * Get default action buttons
     */
    private getDefaultActionButtons;
    /**
     * Get default bulk action buttons
     */
    private getDefaultBulkActionButtons;
    /**
     * Set bulk action buttons
     */
    setBulkActionButtons(buttons: BulkActionButton[]): void;
    /**
     * Get bulk action buttons
     */
    getBulkActionButtons(): BulkActionButton[];
    /**
     * Update configuration
     */
    setConfig(config: Partial<TUIRendererConfig>): void;
    /**
     * Set action buttons
     */
    setActionButtons(buttons: ActionButton[]): void;
    /**
     * Calculate diff statistics
     */
    calculateStats(diff: ParsedDiff): DiffStats;
    /**
     * Get change statistics from pending change
     */
    getChangeStats(): StatsDisplay | null;
    /**
     * Render the complete diff view
     */
    render(diff: ParsedDiff): string;
    /**
     * Render header with file path and stats
     */
    renderHeader(diff: ParsedDiff, stats?: DiffStats): string;
    /**
     * Get status icon
     */
    private getStatusIcon;
    /**
     * Get status color
     */
    private getStatusColor;
    /**
     * Render toolbar with action buttons
     */
    renderToolbar(): string;
    /**
     * Render bulk actions toolbar
     */
    renderBulkToolbar(): string;
    /**
     * Render statistics display
     */
    renderStatsDisplay(): string;
    /**
     * Render separator line
     */
    renderSeparator(): string;
    /**
     * Render diff content with hunks and lines
     */
    renderDiffContent(diff: ParsedDiff): string[];
    /**
     * Render hunk header
     */
    renderHunkHeader(hunk: Hunk): string;
    /**
     * Render a single diff line with line numbers
     */
    renderDiffLine(line: DiffLine, _index: number): string;
    /**
     * Get prefix character for line type
     */
    private getLinePrefix;
    /**
     * Get visible content lines based on scroll position
     */
    private getVisibleContentLines;
    /**
     * Get available height for content area
     */
    private getAvailableContentHeight;
    /**
     * Render footer with keyboard shortcuts and scroll info
     */
    renderFooter(totalLines: number): string;
    /**
     * Get scroll position info string
     */
    private getScrollInfo;
    /**
     * Scroll up by specified lines
     */
    scrollUp(lines?: number): void;
    /**
     * Scroll down by specified lines
     */
    scrollDown(totalLines: number, lines?: number): void;
    /**
     * Scroll to top
     */
    scrollToTop(): void;
    /**
     * Scroll to bottom
     */
    scrollToBottom(totalLines: number): void;
    /**
     * Page up
     */
    pageUp(): void;
    /**
     * Page down
     */
    pageDown(totalLines: number): void;
    /**
     * Handle keyboard input
     */
    handleInput(key: string, totalLines: number): {
        action?: string;
        handled: boolean;
    };
    /**
     * Handle bulk action
     */
    private handleBulkAction;
    /**
     * Show confirmation dialog for destructive actions
     */
    private showConfirmationDialog;
    /**
     * Handle confirmation dialog input
     */
    private handleConfirmationInput;
    /**
     * Render confirmation dialog
     */
    renderConfirmationDialog(): string;
    private confirmationDialogHunkIndex?;
    /**
     * Render a simple diff string (for quick display)
     */
    renderSimple(diff: ParsedDiff): string;
    /**
     * Clear terminal and render
     */
    clearAndRender(diff: ParsedDiff): void;
    /**
     * Strip ANSI codes from string
     */
    private stripAnsi;
    /**
     * Get current scroll position
     */
    getScrollPosition(): number;
    /**
     * Get current theme
     */
    getTheme(): TUITheme;
    /**
     * Get current configuration
     */
    getConfig(): TUIRendererConfig;
}
export default TUIRenderer;
//# sourceMappingURL=tui-renderer.d.ts.map