#ifndef ETHERNET_MANAGER_H
#define ETHERNET_MANAGER_H

#include "esp_err.h"
#include "esp_eth.h"
#include "esp_netif.h"

// ============================================================================
// Configuration
// ============================================================================

typedef struct {
	bool use_dhcp;
	char static_ip[16];
	char netmask[16];
	char gateway[16];
	char dns_primary[16];
	char dns_secondary[16];
} bmc_eth_config_t;

// ============================================================================
// Function Declarations
// ============================================================================

/**
 * @brief Initialize the Ethernet manager
 *
 * Sets up W5500 SPI Ethernet and network stack.
 *
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_manager_init(void);

/**
 * @brief Check if Ethernet is connected
 *
 * @return true if connected, false otherwise
 */
bool ethernet_is_connected(void);

/**
 * @brief Get the current IP address
 *
 * @param ip_str Buffer to store IP address string (min 16 bytes)
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_get_ip(char *ip_str);

/**
 * @brief Get network information
 *
 * @param ip IP address buffer (min 16 bytes)
 * @param netmask Netmask buffer (min 16 bytes)
 * @param gateway Gateway buffer (min 16 bytes)
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_get_network_info(char *ip, char *netmask, char *gateway);

/**
 * @brief Get MAC address
 *
 * @param mac_str Buffer to store MAC address string (min 18 bytes)
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_get_mac(char *mac_str);

/**
 * @brief Set static IP configuration
 *
 * @param config Network configuration
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_set_static_ip(const bmc_eth_config_t *config);

/**
 * @brief Enable DHCP
 *
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_enable_dhcp(void);

/**
 * @brief Get Ethernet link speed
 *
 * @return Speed in Mbps, or 0 if not connected
 */
int ethernet_get_link_speed(void);

/**
 * @brief Get Ethernet duplex mode
 *
 * @return true for full duplex, false for half duplex
 */
bool ethernet_is_full_duplex(void);

// ============================================================================
// Event Callbacks
// ============================================================================

typedef enum {
	ETH_EVENT_CONNECTED,
	ETH_EVENT_DISCONNECTED,
	ETH_EVENT_GOT_IP,
	ETH_EVENT_LOST_IP,
} eth_event_type_t;

typedef void (*eth_event_callback_t)(eth_event_type_t event);

/**
 * @brief Register callback for Ethernet events
 *
 * @param callback Function to call on events
 * @return ESP_OK on success, error code otherwise
 */
esp_err_t ethernet_register_event_callback(eth_event_callback_t callback);

#endif // ETHERNET_MANAGER_H