#pragma once

#include "esphome/core/component.h"
#include "esphome/components/ble_client/ble_client.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/core/log.h"
#include <algorithm>
#include <iterator>

#ifdef ARDUINO_ARCH_ESP32
#include <esp_gattc_api.h>
#include <BLEDevice.h>

using namespace esphome::ble_client;

namespace esphome {
namespace airthings_wave_plus {

static const char *TAG = "airthings_wave_plus";

class AirthingsWavePlus : public PollingComponent, public BLEClientNode {
 public:
  AirthingsWavePlus();

  void setup() override;
  void dump_config() override;
  void update() override;
  void loop() override;

  void gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
                           esp_ble_gattc_cb_param_t *param) override;

  void set_temperature(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
  void set_radon(sensor::Sensor *radon) { radon_sensor_ = radon; }
  void set_radon_long_term(sensor::Sensor *radon_long_term) { radon_long_term_sensor_ = radon_long_term; }
  void set_humidity(sensor::Sensor *humidity) { humidity_sensor_ = humidity; }
  void set_pressure(sensor::Sensor *pressure) { pressure_sensor_ = pressure; }
  void set_co2(sensor::Sensor *co2) { co2_sensor_ = co2; }
  void set_tvoc(sensor::Sensor *tvoc) { tvoc_sensor_ = tvoc; }

 protected:
  bool is_valid_radon_value_(short radon);
  bool is_valid_voc_value_(short voc);
  bool is_valid_co2_value_(short co2);

  void read_sensors_(uint8_t *value, uint16_t value_len);
  void request_read_values_();

  sensor::Sensor *temperature_sensor_{nullptr};
  sensor::Sensor *radon_sensor_{nullptr};
  sensor::Sensor *radon_long_term_sensor_{nullptr};
  sensor::Sensor *humidity_sensor_{nullptr};
  sensor::Sensor *pressure_sensor_{nullptr};
  sensor::Sensor *co2_sensor_{nullptr};
  sensor::Sensor *tvoc_sensor_{nullptr};

  uint16_t handle;
  espbt::ESPBTUUID service_uuid;
  espbt::ESPBTUUID sensors_data_characteristic_uuid;

  struct WavePlusReadings {
    uint8_t version;
    uint8_t humidity;
    uint8_t ambientLight;
    uint8_t unused01;
    uint16_t radon;
    uint16_t radon_lt;
    uint16_t temperature;
    uint16_t pressure;
    uint16_t co2;
    uint16_t voc;
  };
};

}  // namespace airthings_wave_plus
}  // namespace esphome

#endif  // ARDUINO_ARCH_ESP32