#pragma once

#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/spi/spi.h"

namespace esphome {
namespace atm90e32 {

class ATM90E32Component : public PollingComponent,
                          public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_HIGH,
                                                spi::CLOCK_PHASE_TRAILING, spi::DATA_RATE_200KHZ> {
 public:
  void setup() override;
  void dump_config() override;
  float get_setup_priority() const override;
  void update() override;

  void set_voltage_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].voltage_sensor_ = obj; }
  void set_current_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].current_sensor_ = obj; }
  void set_power_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].power_sensor_ = obj; }
  void set_volt_gain(int phase, uint16_t gain) { this->phase_[phase].volt_gain_ = gain; }
  void set_ct_gain(int phase, uint16_t gain) { this->phase_[phase].ct_gain_ = gain; }

  void set_freq_sensor(sensor::Sensor *freq_sensor) { freq_sensor_ = freq_sensor; }
  void set_line_freq(int freq) { line_freq_ = freq; }
  void set_pga_gain(uint16_t gain) { pga_gain_ = gain; }

 protected:
  uint16_t read16_(uint16_t a_register);
  int read32_(uint16_t addr_h, uint16_t addr_l);
  void write16_(uint16_t a_register, uint16_t val);

  float get_line_voltage_a_();
  float get_line_voltage_b_();
  float get_line_voltage_c_();
  float get_line_current_a_();
  float get_line_current_b_();
  float get_line_current_c_();
  float get_active_power_a_();
  float get_active_power_b_();
  float get_active_power_c_();
  float get_frequency_();

  struct ATM90E32Phase {
    uint16_t volt_gain_{41820};
    uint16_t ct_gain_{25498};
    sensor::Sensor *voltage_sensor_{nullptr};
    sensor::Sensor *current_sensor_{nullptr};
    sensor::Sensor *power_sensor_{nullptr};
  } phase_[3];
  sensor::Sensor *freq_sensor_{nullptr};
  uint16_t pga_gain_{0x15};
  int line_freq_{60};
};

}  // namespace atm90e32
}  // namespace esphome