// Copyright 2025 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "ZigbeeFlowSensor.h"
#if CONFIG_ZB_ENABLED

esp_zb_cluster_list_t *zigbee_flow_sensor_clusters_create(zigbee_flow_sensor_cfg_t *flow_sensor) {
  esp_zb_basic_cluster_cfg_t *basic_cfg = flow_sensor ? &(flow_sensor->basic_cfg) : NULL;
  esp_zb_identify_cluster_cfg_t *identify_cfg = flow_sensor ? &(flow_sensor->identify_cfg) : NULL;
  esp_zb_flow_meas_cluster_cfg_t *flow_meas_cfg = flow_sensor ? &(flow_sensor->flow_meas_cfg) : NULL;
  esp_zb_cluster_list_t *cluster_list = esp_zb_zcl_cluster_list_create();
  esp_zb_cluster_list_add_basic_cluster(cluster_list, esp_zb_basic_cluster_create(basic_cfg), ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  esp_zb_cluster_list_add_identify_cluster(cluster_list, esp_zb_identify_cluster_create(identify_cfg), ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  esp_zb_cluster_list_add_flow_meas_cluster(cluster_list, esp_zb_flow_meas_cluster_create(flow_meas_cfg), ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  return cluster_list;
}

ZigbeeFlowSensor::ZigbeeFlowSensor(uint8_t endpoint) : ZigbeeEP(endpoint) {
  _device_id = ESP_ZB_HA_SIMPLE_SENSOR_DEVICE_ID;

  //Create custom pressure sensor configuration
  zigbee_flow_sensor_cfg_t flow_sensor_cfg = ZIGBEE_DEFAULT_FLOW_SENSOR_CONFIG();
  _cluster_list = zigbee_flow_sensor_clusters_create(&flow_sensor_cfg);

  _ep_config = {.endpoint = _endpoint, .app_profile_id = ESP_ZB_AF_HA_PROFILE_ID, .app_device_id = ESP_ZB_HA_SIMPLE_SENSOR_DEVICE_ID, .app_device_version = 0};
}

bool ZigbeeFlowSensor::setDefaultValue(float defaultValue) {
  uint16_t zb_default_value = (uint16_t)(defaultValue * 10);
  esp_zb_attribute_list_t *flow_measure_cluster =
    esp_zb_cluster_list_get_cluster(_cluster_list, ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  esp_err_t ret = esp_zb_cluster_update_attr(flow_measure_cluster, ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_VALUE_ID, (void *)&zb_default_value);
  if (ret != ESP_OK) {
    log_e("Failed to set default value: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  return true;
}

bool ZigbeeFlowSensor::setMinMaxValue(float min, float max) {
  uint16_t zb_min = (uint16_t)(min * 10);
  uint16_t zb_max = (uint16_t)(max * 10);
  esp_zb_attribute_list_t *flow_measure_cluster =
    esp_zb_cluster_list_get_cluster(_cluster_list, ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  esp_err_t ret = esp_zb_cluster_update_attr(flow_measure_cluster, ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_MIN_VALUE_ID, (void *)&zb_min);
  if (ret != ESP_OK) {
    log_e("Failed to set min value: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  ret = esp_zb_cluster_update_attr(flow_measure_cluster, ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_MAX_VALUE_ID, (void *)&zb_max);
  if (ret != ESP_OK) {
    log_e("Failed to set max value: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  return true;
}

bool ZigbeeFlowSensor::setTolerance(float tolerance) {
  uint16_t zb_tolerance = (uint16_t)(tolerance * 10);
  esp_zb_attribute_list_t *flow_measure_cluster =
    esp_zb_cluster_list_get_cluster(_cluster_list, ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
  esp_err_t ret = esp_zb_flow_meas_cluster_add_attr(flow_measure_cluster, ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_TOLERANCE_ID, (void *)&zb_tolerance);
  if (ret != ESP_OK) {
    log_e("Failed to set tolerance: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  return true;
}

bool ZigbeeFlowSensor::setReporting(uint16_t min_interval, uint16_t max_interval, float delta) {
  esp_zb_zcl_reporting_info_t reporting_info;
  memset(&reporting_info, 0, sizeof(esp_zb_zcl_reporting_info_t));
  reporting_info.direction = ESP_ZB_ZCL_CMD_DIRECTION_TO_SRV;
  reporting_info.ep = _endpoint;
  reporting_info.cluster_id = ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT;
  reporting_info.cluster_role = ESP_ZB_ZCL_CLUSTER_SERVER_ROLE;
  reporting_info.attr_id = ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_VALUE_ID;
  reporting_info.u.send_info.min_interval = min_interval;
  reporting_info.u.send_info.max_interval = max_interval;
  reporting_info.u.send_info.def_min_interval = min_interval;
  reporting_info.u.send_info.def_max_interval = max_interval;
  reporting_info.u.send_info.delta.u16 = (uint16_t)(delta * 10);  // Convert delta to ZCL uint16_t
  reporting_info.dst.profile_id = ESP_ZB_AF_HA_PROFILE_ID;
  reporting_info.manuf_code = ESP_ZB_ZCL_ATTR_NON_MANUFACTURER_SPECIFIC;

  esp_zb_lock_acquire(portMAX_DELAY);
  esp_err_t ret = esp_zb_zcl_update_reporting_info(&reporting_info);
  esp_zb_lock_release();

  if (ret != ESP_OK) {
    log_e("Failed to set reporting: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  return true;
}

bool ZigbeeFlowSensor::setFlow(float flow) {
  esp_zb_zcl_status_t ret = ESP_ZB_ZCL_STATUS_SUCCESS;
  uint16_t zb_flow = (uint16_t)(flow * 10);
  log_v("Updating flow sensor value...");
  /* Update temperature sensor measured value */
  log_d("Setting flow to %u", zb_flow);

  esp_zb_lock_acquire(portMAX_DELAY);
  ret = esp_zb_zcl_set_attribute_val(
    _endpoint, ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE, ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_VALUE_ID, &zb_flow, false
  );
  esp_zb_lock_release();

  if (ret != ESP_ZB_ZCL_STATUS_SUCCESS) {
    log_e("Failed to set flow value: 0x%x: %s", ret, esp_zb_zcl_status_to_name(ret));
    return false;
  }
  return true;
}

bool ZigbeeFlowSensor::report() {
  /* Send report attributes command */
  esp_zb_zcl_report_attr_cmd_t report_attr_cmd;
  report_attr_cmd.address_mode = ESP_ZB_APS_ADDR_MODE_DST_ADDR_ENDP_NOT_PRESENT;
  report_attr_cmd.attributeID = ESP_ZB_ZCL_ATTR_FLOW_MEASUREMENT_VALUE_ID;
  report_attr_cmd.direction = ESP_ZB_ZCL_CMD_DIRECTION_TO_CLI;
  report_attr_cmd.clusterID = ESP_ZB_ZCL_CLUSTER_ID_FLOW_MEASUREMENT;
  report_attr_cmd.zcl_basic_cmd.src_endpoint = _endpoint;
  report_attr_cmd.manuf_specific = 0x00U;    // Standard profile command. Manufacturer code field shall not be included into ZCL frame header.
  report_attr_cmd.dis_default_resp = 0x00U;  // Default response is enabled.

  esp_zb_lock_acquire(portMAX_DELAY);
  esp_err_t ret = esp_zb_zcl_report_attr_cmd_req(&report_attr_cmd);
  esp_zb_lock_release();

  if (ret != ESP_OK) {
    log_e("Failed to send flow report: 0x%x: %s", ret, esp_err_to_name(ret));
    return false;
  }
  log_v("Flow report sent");
  return true;
}

#endif  // CONFIG_ZB_ENABLED
