import type { PointerState } from './canvas';

/**
 * Available tool types
 */
export type ToolType =
  | 'select'
  | 'move'
  | 'pencil'
  | 'brush'
  | 'eraser'
  | 'fill'
  | 'gradient'
  | 'eyedropper'
  | 'text'
  | 'shape'
  | 'crop'
  | 'clone'
  | 'smudge'
  | 'dodge'
  | 'blur'
  | 'sharpen';

/**
 * Tool settings interface
 */
export interface ToolSettings {
  /** Brush/pencil size */
  size: number;
  /** Opacity (0-1) */
  opacity: number;
  /** Hardness (0-1) */
  hardness: number;
  /** Color */
  color: string;
  /** Secondary color (for gradients) */
  secondaryColor?: string;
  /** Gradient type */
  gradientType?: 'linear' | 'radial' | 'angular';
  /** Flow rate (0-1) */
  flow: number;
  /** Spacing between brush stamps */
  spacing: number;
}

/**
 * Tool state interface
 */
export interface ToolState {
  /** Currently active tool */
  activeTool: ToolType;
  /** Tool-specific settings */
  settings: ToolSettings;
  /** Custom cursor */
  cursor: string;
}

/**
 * Tool event handlers
 */
export interface ToolHandlers {
  onPointerDown?: (pointer: PointerState, ctx: CanvasRenderingContext2D) => void;
  onPointerMove?: (pointer: PointerState, ctx: CanvasRenderingContext2D) => void;
  onPointerUp?: (pointer: PointerState, ctx: CanvasRenderingContext2D) => void;
  onActivate?: () => void;
  onDeactivate?: () => void;
}