#ifndef TCP_CLIENT_H
#define TCP_CLIENT_H

#include <stdbool.h>
#include "lwip/ip_addr.h"

/**
 * TCP Client Configuration
 */
typedef struct {
    char server_ip[16];           // Server IP address as string (e.g., "192.168.1.100")
    uint16_t server_port;         // Server port number
    uint32_t timeout_ms;          // Connection timeout in milliseconds
    bool initialized;             // Internal state flag
    void *internal_state;         // Internal state pointer (opaque)
} tcp_client_config;

/**
 * Initialize the TCP client configuration
 * 
 * @param config Pointer to the configuration structure
 * @param server_ip Server IP address as a string (e.g., "192.168.1.100")
 * @param server_port Server port number
 * @param timeout_ms Connection timeout in milliseconds
 * @return true on success, false on failure
 */
bool tcp_client_init(tcp_client_config *config, const char *server_ip, uint16_t server_port, uint32_t timeout_ms);

/**
 * Send a message to the TCP server
 * 
 * @param config Pointer to the configuration structure
 * @param message Null-terminated string message to send
 * @return true on success, false on failure
 */
bool tcp_client_send_message(tcp_client_config *config, const char *message);

/**
 * Close and cleanup the TCP client
 * 
 * @param config Pointer to the configuration structure
 */
void tcp_client_cleanup(tcp_client_config *config);

#endif // TCP_CLIENT_H