#ifndef SIGNAL_ANALYSIS_H
#define SIGNAL_ANALYSIS_H

#include <stdint.h>

// Signal analysis data structure
typedef struct {
    uint8_t channel;
    int8_t rssi;
    uint32_t packet_count;
    uint32_t timestamp;
} channel_data_t;

/**
 * @brief Get channel utilization data
 * 
 * @param data Output array for channel data
 * @param max_channels Maximum number of channels
 * @return Number of channels with data
 */
int signal_get_channel_utilization(channel_data_t *data, int max_channels);

/**
 * @brief Get signal strength over time for a specific network
 * 
 * @param bssid Target BSSID (6 bytes)
 * @param rssi_history Output array for RSSI values
 * @param timestamps Output array for timestamps
 * @param max_samples Maximum number of samples
 * @return Number of samples
 */
int signal_get_rssi_history(uint8_t *bssid, int8_t *rssi_history, uint32_t *timestamps, int max_samples);

/**
 * @brief Update signal analysis with new packet data
 * 
 * @param channel Channel number
 * @param rssi RSSI value
 */
void signal_update_packet(uint8_t channel, int8_t rssi);

#endif /* SIGNAL_ANALYSIS_H */