package io.swtc.proccessing;

import java.awt.image.BufferedImage;

public class ImageEffectEngine {

    private static final ColorProccessor colorProcessor = new ColorProccessor();
    private static final DenoiseProccessor denoiseProcessor = new DenoiseProccessor();
    private static final SharpnessProccessor sharpnessProcessor = new SharpnessProccessor();

    public static BufferedImage applyEffects(BufferedImage img, EffectState state, float[] currentGains) {
        if (img == null) return null;

        // 1. Extract raw data (High Performance)
        int width = img.getWidth();
        int height = img.getHeight();
        int[] pixels = ImageUtils.getPixels(img);

        // NOTE: If we want to avoid modifying the original image's backing array,
        // we should clone 'pixels' here. If in-place modification is okay, we proceed.
        // int[] workingPixels = pixels.clone();
        int[] workingPixels = pixels; // Assuming in-place is fine for performance

        // 2. Apply Color Pipeline (In-Place)
        colorProcessor.process(workingPixels, state, currentGains);

        // 3. Apply Sharpness (Returns new array if applied)
        if (state.sharpness() != 100 || state.edgeEnhance()) {
            workingPixels = sharpnessProcessor.process(workingPixels, width, height, state.sharpness(), state.edgeEnhance());
        }

        // 4. Apply Denoise (Returns new array if applied)
        if (state.dnrEnabled()) {
            workingPixels = denoiseProcessor.process(workingPixels, width, height, state.dnrSpatial());
        }

        // 5. Reconstruct Image
        return ImageUtils.createFromPixels(workingPixels, width, height);
    }
}