/**
 * LED Manager - Status Indicators
 * Provides visual feedback for system status and operations
 */

#ifndef LED_MANAGER_H
#define LED_MANAGER_H

#include <esp_err.h>
#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif

// LED GPIO Pins for ESP32-P4-NANO
#define LED_STATUS_GPIO     8   // Blue LED
#define LED_ERROR_GPIO     15   // Red LED

// Additional indicator LEDs (optional, map to unused GPIOs if not present)
#define LED_ETHERNET_GPIO   9   // Ethernet activity LED (optional)
#define LED_WIFI_GPIO      10   // Wi-Fi activity LED (optional)
#define LED_SCAN_GPIO      11   // Scan activity LED (optional)

// LED basic states for blinking patterns
typedef enum {
    LED_STATE_OFF = 0,
    LED_STATE_ON,
    LED_STATE_BLINK_SLOW,
    LED_STATE_BLINK_FAST,
    LED_STATE_PULSE
} led_state_t;

// Extended system status indicators (kept for backward compatibility)
typedef enum {
    LED_STATUS_SYSTEM_READY = 0,
    LED_STATUS_SYSTEM_ERROR,
    LED_STATUS_ETHERNET_CONNECTED,
    LED_STATUS_ETHERNET_DISCONNECTED,
    LED_STATUS_WIFI_AP_ACTIVE,
    LED_STATUS_WIFI_CLIENT_CONNECTED,
    LED_STATUS_SCAN_ACTIVE,
    LED_STATUS_SCAN_COMPLETE,
    LED_STATUS_SD_CARD_ACCESS,
    LED_STATUS_OTA_UPDATE
} led_status_t;

/**
 * Initialize LED manager
 * @return ESP_OK on success
 */
esp_err_t led_manager_init(void);

/**
 * Set LED status
 * @param status LED status to set
 * @return ESP_OK on success
 */
esp_err_t led_manager_set_status(led_status_t status);

// Forward-compatibility: keep previous prototypes so existing source builds
esp_err_t led_manager_set_state(int gpio_num, led_state_t state);
void led_manager_update(void);
void led_manager_set_ethernet_activity(bool active);
void led_manager_set_wifi_activity(bool active);
void led_manager_set_scan_activity(bool active);

#ifdef __cplusplus
}
#endif

#endif // LED_MANAGER_H