/* V13 Animations Module - Complex Animation Sequences */
import { state } from './state.js';

// Animation state
let morphProgress = 0;
let morphDirection = 1;
let colorShiftHue = 0;

/**
 * Update all active animations
 */
export function updateAnimations(deltaTime = 16) {
    if (state.morphEnabled) {
        updateMorph();
    }

    if (state.colorShiftEnabled) {
        updateColorShift();
    }
}

/**
 * Morph Animation - Smooth spike count transitions
 */
function updateMorph() {
    morphProgress += morphDirection * 0.02;

    if (morphProgress >= 1) {
        morphProgress = 1;
        morphDirection = -1;
    } else if (morphProgress <= 0) {
        morphProgress = 0;
        morphDirection = 1;
    }

    // Interpolate between min and max spikes
    const minSpikes = 4;
    const maxSpikes = 12;
    state.spikes = Math.floor(minSpikes + (maxSpikes - minSpikes) * morphProgress);
}

/**
 * Color Shift - Smooth color transitions
 */
function updateColorShift() {
    colorShiftHue = (colorShiftHue + 1) % 360;

    // Update fill colors based on hue
    state.fillColor = `hsl(${colorShiftHue}, 70%, 50%)`;
    state.fillColor2 = `hsl(${(colorShiftHue + 120) % 360}, 70%, 50%)`;
}

/**
 * Reset all animation states
 */
export function resetAnimations() {
    morphProgress = 0;
    morphDirection = 1;
    colorShiftHue = 0;
}