/*
 * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: LicenseRef-Included
 *
 * 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, except as embedded into a Espressif Systems
 *    integrated circuit in a product or a software update for such product,
 *    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.
 *
 * 4. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * 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
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 * 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.
 */
#include <fcntl.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/usb_serial_jtag.h"
#include "esp_coexist.h"
#include "esp_log.h"
#include "esp_netif.h"
#include "esp_spiffs.h"
#include "esp_vfs_eventfd.h"
#include "esp_vfs_dev.h"
#include "driver/usb_serial_jtag_vfs.h"
#include "driver/uart_vfs.h"
#include "esp_wifi.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include "esp_zigbee_gateway.h"

#if (!defined ZB_MACSPLIT_HOST && defined ZB_MACSPLIT_DEVICE)
#error Only Zigbee gateway host device should be defined
#endif

static const char *TAG = "ESP_ZB_GATEWAY";

/* Note: Please select the correct console output port based on the development board in menuconfig */
#if CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG
esp_err_t esp_zb_gateway_console_init(void)
{
    esp_err_t ret = ESP_OK;
    /* Disable buffering on stdin */
    setvbuf(stdin, NULL, _IONBF, 0);

    /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
    usb_serial_jtag_vfs_set_rx_line_endings(ESP_LINE_ENDINGS_CR);
    /* Move the caret to the beginning of the next line on '\n' */
    usb_serial_jtag_vfs_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);

    /* Enable non-blocking mode on stdin and stdout */
    fcntl(fileno(stdout), F_SETFL, O_NONBLOCK);
    fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);

    usb_serial_jtag_driver_config_t usb_serial_jtag_config = USB_SERIAL_JTAG_DRIVER_CONFIG_DEFAULT();
    ret = usb_serial_jtag_driver_install(&usb_serial_jtag_config);
    usb_serial_jtag_vfs_use_driver();
    uart_vfs_dev_register();
    return ret;
}
#endif

static void bdb_start_top_level_commissioning_cb(uint8_t mode_mask)
{
    ESP_ERROR_CHECK(esp_zb_bdb_start_top_level_commissioning(mode_mask));
}

void esp_zb_app_signal_handler(esp_zb_app_signal_t *signal_struct)
{
    uint32_t *p_sg_p       = signal_struct->p_app_signal;
    esp_err_t err_status = signal_struct->esp_err_status;
    esp_zb_app_signal_type_t sig_type = *p_sg_p;
    esp_zb_zdo_signal_device_annce_params_t *dev_annce_params = NULL;
    esp_zb_zdo_signal_macsplit_dev_boot_params_t *rcp_version = NULL;

    switch (sig_type) {
    case ESP_ZB_ZDO_SIGNAL_SKIP_STARTUP:
        ESP_LOGI(TAG, "Zigbee stack initialized");
        esp_zb_bdb_start_top_level_commissioning(ESP_ZB_BDB_MODE_INITIALIZATION);
        break;
    case ESP_ZB_MACSPLIT_DEVICE_BOOT:
        ESP_LOGI(TAG, "Zigbee rcp device booted");
        rcp_version = (esp_zb_zdo_signal_macsplit_dev_boot_params_t *)esp_zb_app_signal_get_params(p_sg_p);
        ESP_LOGI(TAG, "Running RCP Version: %s", rcp_version->version_str);
        break;
    case ESP_ZB_BDB_SIGNAL_DEVICE_FIRST_START:
    case ESP_ZB_BDB_SIGNAL_DEVICE_REBOOT:
        if (err_status == ESP_OK) {
            ESP_LOGI(TAG, "Start network formation");
            esp_zb_bdb_start_top_level_commissioning(ESP_ZB_BDB_MODE_NETWORK_FORMATION);
        } else {
            ESP_LOGE(TAG, "Failed to initialize Zigbee stack (status: %s)", esp_err_to_name(err_status));
        }
        break;
    case ESP_ZB_BDB_SIGNAL_FORMATION:
        if (err_status == ESP_OK) {
            esp_zb_ieee_addr_t ieee_address;
            esp_zb_get_long_address(ieee_address);
            ESP_LOGI(TAG, "Formed network successfully (ieee_address: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x, PAN ID: 0x%04hx, Channel:%d)",
                     ieee_address[7], ieee_address[6], ieee_address[5], ieee_address[4],
                     ieee_address[3], ieee_address[2], ieee_address[1], ieee_address[0],
                     esp_zb_get_pan_id(), esp_zb_get_current_channel());
            esp_zb_bdb_start_top_level_commissioning(ESP_ZB_BDB_MODE_NETWORK_STEERING);
        } else {
            ESP_LOGI(TAG, "Restart network formation (status: %s)", esp_err_to_name(err_status));
            esp_zb_scheduler_alarm((esp_zb_callback_t)bdb_start_top_level_commissioning_cb, ESP_ZB_BDB_MODE_NETWORK_FORMATION, 1000);
        }
        break;
    case ESP_ZB_BDB_SIGNAL_STEERING:
        if (err_status == ESP_OK) {
            ESP_LOGI(TAG, "Network steering started");
        }
        break;
    case ESP_ZB_ZDO_SIGNAL_DEVICE_ANNCE:
        dev_annce_params = (esp_zb_zdo_signal_device_annce_params_t *)esp_zb_app_signal_get_params(p_sg_p);
        ESP_LOGI(TAG, "New device commissioned or rejoined (short: 0x%04hx)", dev_annce_params->device_short_addr);
        break;
    default:
        ESP_LOGI(TAG, "ZDO signal: %s (0x%x), status: %s", esp_zb_zdo_signal_to_string(sig_type), sig_type,
                 esp_err_to_name(err_status));
        break;
    }
}

static void esp_zb_task(void *pvParameters)
{
    /* initialize Zigbee stack with Zigbee coordinator config */
    esp_zb_cfg_t zb_nwk_cfg = ESP_ZB_ZC_CONFIG();
    esp_zb_init(&zb_nwk_cfg);
    /* initiate Zigbee Stack start without zb_send_no_autostart_signal auto-start */
    esp_zb_set_primary_network_channel_set(ESP_ZB_PRIMARY_CHANNEL_MASK);
    ESP_ERROR_CHECK(esp_zb_start(false));
    esp_zb_main_loop_iteration();
}

void app_main(void)
{
    esp_zb_platform_config_t config = {
        .radio_config = ESP_ZB_DEFAULT_RADIO_CONFIG(),
        .host_config = ESP_ZB_DEFAULT_HOST_CONFIG(),
    };
    /* load Zigbee gateway platform config to initialization */
    ESP_ERROR_CHECK(esp_zb_platform_config(&config));
    ESP_ERROR_CHECK(nvs_flash_init());
    ESP_ERROR_CHECK(esp_netif_init());
    ESP_ERROR_CHECK(esp_event_loop_create_default());
#if CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG
    ESP_ERROR_CHECK(esp_zb_gateway_console_init());
#endif
#if CONFIG_EXAMPLE_CONNECT_WIFI
    ESP_ERROR_CHECK(example_connect());
#if CONFIG_ESP_COEX_SW_COEXIST_ENABLE
    ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_MIN_MODEM));
    esp_coex_wifi_i154_enable();
#else
    ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
#endif
#endif
    xTaskCreate(esp_zb_task, "Zigbee_main", 4096, NULL, 5, NULL);
}