export interface Target {
	x: number;
	y: number;
	radius: number;
}

export interface Stats {
	startTime: number;
	misclicks: number;
	targetsHit: number;
	times: number[];
	zoomInTime: number;  // Time spent zooming in during current trial
	zoomOutTime: number; // Time spent zooming out during current trial
	lastZoomTime: number; // Last timestamp of zoom event
	isZooming: boolean;  // Whether user is currently zooming
	zoomDirection: 'in' | 'out' | null; // Current direction of zoom
}

export interface ViewportOffset {
	x: number;
	y: number;
}

export type ZoomPreset = 'A' | 'B' | 'C' | 'D';
export type AppMode = 'demo' | 'study';

export interface AccelerationSettings {
	enabled: boolean;
	accelerationCurve: number[];
	preset?: ZoomPreset;
}

export interface Round {
	timeSpent: number;
	misclicks: number;
	accelerationEnabled: boolean;
	accelerationCurve?: number[];
	preset?: ZoomPreset;
	zoomInTime: number;  // Time spent zooming in during this round
	zoomOutTime: number; // Time spent zooming out during this round
	timestamp: number;
}

export const CONSTANTS = {
	TARGET_COUNT: 200,
	TARGET_MIN_RADIUS: 250,
	TARGET_MAX_RADIUS: 800,
	VIRTUAL_CANVAS_SIZE: 50000,
	ZOOM_LEVELS: {
		min: 0.01,
		max: 10,
		default: 0.01,
	},
	MOUSE_WHEEL_SAMPLES: 5,
	NUM_CURVE_POINTS: 5,
	STUDY_TARGETS_PER_PRESET: 25,
	PRESETS: {
		A: [1, 1, 1, 1, 1],  // Control: No zoom acceleration
		B: [1, 2, 3, 4, 5],  // Linear increase
		C: [1, 1.5, 2.5, 4, 6],  // Exponential increase
		D: [1, 3, 4, 3, 1],      // Bell curve
	} as Record<ZoomPreset, number[]>,
} as const;