// SPDX-License-Identifier: BSD-2-Clause
#include "led_controller.h"

// Internal LED buffer — FastLED writes to this array, then pushes it to the strip.
static CRGB leds[NUM_LEDS];

void leds_begin() {
    FastLED.addLeds<LED_TYPE, LED_DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS);
    FastLED.setBrightness(MAX_BRIGHTNESS);
    FastLED.clear(true);  // clear + show: strip starts fully off
}

void leds_apply_color(CRGB color, bool sparkle) {
#if ACTIVE_PATTERN == PATTERN_SOLID
    fill_solid(leds, NUM_LEDS, color);
#endif
    if (!sparkle) return;
    static uint8_t sparkle_timer[NUM_LEDS];
    if (random8() < SPARKLE_CHANCE) {
        sparkle_timer[random8(NUM_LEDS)] = SPARKLE_FRAMES;
    }
    for (uint8_t i = 0; i < NUM_LEDS; i++) {
        if (sparkle_timer[i] > 0) {
            leds[i] = CRGB::White;
            sparkle_timer[i]--;
        }
    }
}

void leds_show() {
    FastLED.show();
}