/*
 * csi_manager.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>
#include <stdint.h>
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Initialize CSI Manager state
 */
void csi_mgr_init(void);

/**
 * @brief Enable CSI capture asynchronously
 * Spawns a task to wait 2 seconds (to let connection settle) then enables CSI.
 * Safe to call from Event Handlers.
 */
void csi_mgr_enable_async(void);

/**
 * @brief Disable CSI capture immediately
 */
void csi_mgr_disable(void);

/**
 * @brief Dump collected CSI data to UART asynchronously
 * Spawns a task that waits 20s then dumps data (simulating your original logic).
 */
void csi_mgr_schedule_dump(void);

/**
 * @brief Check if CSI is currently enabled
 */
bool csi_mgr_is_enabled(void);

/**
 * @brief Get total packet count (stats)
 */
uint32_t csi_mgr_get_packet_count(void);

/**
 * @brief Save CSI enable state to NVS
 *
 * @param enable true to enable CSI on boot, false to disable
 * @return esp_err_t ESP_OK on success
 */
esp_err_t csi_mgr_save_enable_state(bool enable);

/**
 * @brief Load CSI enable state from NVS
 *
 * @param enable Output: CSI enable state (default: false if not found)
 * @return esp_err_t ESP_OK on success, ESP_ERR_NVS_NOT_FOUND if not set
 */
esp_err_t csi_mgr_load_enable_state(bool *enable);

/**
 * @brief Check if CSI should be enabled based on NVS config
 * Returns false by default if no config exists
 *
 * @return bool true if CSI should be enabled
 */
bool csi_mgr_should_enable(void);

#ifdef __cplusplus
}
#endif