/**
 * Core model interfaces for the background system
 */
import type { Dimensions, QualityLevel, PerformanceMetrics, AccessibilitySettings } from "./types.js";
/**
 * Animation component interface - stateful components that render to canvas
 */
export interface AnimationComponent {
    initialize: (dimensions: Dimensions, quality: QualityLevel) => void;
    update: (dimensions: Dimensions) => void;
    draw: (ctx: CanvasRenderingContext2D, dimensions: Dimensions) => void;
    cleanup: () => void;
    setQuality: (quality: QualityLevel) => void;
    setAccessibility?: (settings: AccessibilitySettings) => void;
}
/**
 * Animation system interface - functional pattern for stateless systems
 */
export interface AnimationSystem<T> {
    initialize: (dimensions: Dimensions, quality: QualityLevel) => T;
    update: (state: T, dimensions: Dimensions) => T;
    draw: (state: T, ctx: CanvasRenderingContext2D, dimensions: Dimensions) => void;
    cleanup?: () => void;
    setQuality?: (quality: QualityLevel) => void;
    adjustToResize?: (state: T, oldDimensions: Dimensions, newDimensions: Dimensions, quality: QualityLevel) => T;
    setAccessibility?: (settings: AccessibilitySettings) => void;
}
/**
 * Background system interface - the main contract all backgrounds implement
 */
export interface BackgroundSystem {
    initialize: (dimensions: Dimensions, quality: QualityLevel) => void;
    update: (dimensions: Dimensions, frameMultiplier?: number) => void;
    draw: (ctx: CanvasRenderingContext2D, dimensions: Dimensions) => void;
    setQuality: (quality: QualityLevel) => void;
    cleanup: () => void;
    handleResize?: (oldDimensions: Dimensions, newDimensions: Dimensions) => void;
    setAccessibility?: (settings: AccessibilitySettings) => void;
    getMetrics?: () => PerformanceMetrics;
    /**
     * Set the current pointer position (canvas-logical px) for interactive
     * backgrounds (e.g. fish cursor flee). active=false when pointer left.
     * pointerType lets motion effects keep touch input flat.
     */
    setPointer?: (x: number, y: number, active: boolean, pointerType?: string) => void;
    /**
     * Tap-test the background at (x, y) in canvas-logical px. Interactive
     * backgrounds (e.g. ocean jellyfish) hit-test their elements and, on a hit,
     * trigger feedback (flash) and return a note mapping the caller can sonify.
     * pitch01 in [0,1] (higher = higher pitch), pan in [-1,1].
     */
    pokeAt?: (x: number, y: number) => {
        hit: boolean;
        pitch01: number;
        pan: number;
    } | void;
}
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