/*
 * status_led.h
 *
 * Copyright (c) 2025 Umber Networks & Robert McMahon
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif

// Logical states for the device
typedef enum {
    LED_STATE_NO_CONFIG,
    LED_STATE_WAITING,
    LED_STATE_CONNECTED,
    LED_STATE_MONITORING,
    LED_STATE_TRANSMITTING,      // Busy / Fast Flash (Healthy)
    LED_STATE_TRANSMITTING_SLOW, // Slow Pulse (Falling behind)
    LED_STATE_STALLED,           // Solid Purple (Blocked)
    LED_STATE_FAILED
} led_state_t;

/**
 * @brief Initialize the status LED driver
 * Supports both Addressable RGB (WS2812) and Simple GPIO LEDs.
 * @param gpio_pin The GPIO pin number
 * @param is_rgb_strip Set true for NeoPixel/WS2812, false for simple ON/OFF LED
 */
void status_led_init(int gpio_pin, bool is_rgb_strip);

/**
 * @brief Thread-safe function to set the visual state
 * @param state Desired logical state
 */
void status_led_set_state(led_state_t state);

/**
 * @brief Get current state (useful for status console commands)
 */
led_state_t status_led_get_state(void);

#ifdef __cplusplus
}
#endif