/*
;    Project:       Open Vehicle Monitor System
;    Date:          15th Apr 2022
;
;    (C) 2022       Carsten Schmiemann
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/


#include "ovms_log.h"

#include <stdio.h>
#include <string>
#include <iomanip>
#include "pcp.h"
#include "ovms_metrics.h"
#include "ovms_events.h"
#include "ovms_config.h"
#include "ovms_command.h"
#include "metrics_standard.h"
#include "ovms_notify.h"
#include "ovms_peripherals.h"
#include "ovms_netmanager.h"

#include "vehicle_renaultzoe_ph2.h"
#include "ph2_poller.h"

OvmsVehicleRenaultZoePh2::OvmsVehicleRenaultZoePh2() {
  ESP_LOGI(TAG, "Start Renault Zoe Ph2 vehicle module");

  StandardMetrics.ms_v_type->SetValue("RZ2");
  StandardMetrics.ms_v_charge_inprogress->SetValue(false);
  
  // Zoe CAN bus runs at 500 kbps
  RegisterCanBus(1, CAN_MODE_ACTIVE, CAN_SPEED_500KBPS);

	// Poll Specific PIDs
  POLLSTATE_OFF;
  
  PollSetPidList(m_can1, renault_zoe_polls);
  PollSetThrottling(5);
  PollSetResponseSeparationTime(20);
  
  // init metrics:
  mt_pos_odometer_start   = MyMetrics.InitFloat("zph2.v.pos.odometer.start", SM_STALE_MID, 0, Kilometers);
  mt_bus_awake            = MyMetrics.InitBool("zph2.v.bus.awake", SM_STALE_MIN, false);
  mt_available_energy     = MyMetrics.InitFloat("zph2.v.avail.energy", SM_STALE_MID, 0, kWh);
  mt_main_power_consumed  = MyMetrics.InitFloat("zph2.c.main.power.consumed", SM_STALE_MID, 0, kWh);
  mt_main_phases          = MyMetrics.InitString("zph2.c.main.phases", SM_STALE_MID, 0);
  mt_inv_status           = MyMetrics.InitString("zph2.m.inverter.status", SM_STALE_MID, 0);
  mt_mot_temp_stator1     = MyMetrics.InitFloat("zph2.m.temp.stator1", SM_STALE_MID, 0, Celcius);
  mt_mot_temp_stator2     = MyMetrics.InitFloat("zph2.m.temp.stator2", SM_STALE_MID, 0, Celcius);
  mt_aux_power_consumer   = MyMetrics.InitFloat("zph2.c.aux.power.consumer", SM_STALE_MID, 0, Watts);
	mt_aux_power_ptc        = MyMetrics.InitFloat("zph2.c.aux.power.ptc", SM_STALE_MID, 0, Watts);
  mt_inv_hv_voltage       = MyMetrics.InitFloat("zph2.m.inverter.voltage", SM_STALE_MID, 0, Volts);
  mt_inv_hv_current       = MyMetrics.InitFloat("zph2.m.inverter.current", SM_STALE_MID, 0, Amps);
  mt_bat_max_charge_power = MyMetrics.InitFloat("zph2.b.max.charge.power", SM_STALE_MID, 0, kW);
  mt_hvac_compressor_speed = MyMetrics.InitFloat("zph2.h.compressor.speed", SM_STALE_MID, 0);
  
  // BMS configuration:
  BmsSetCellArrangementVoltage(96, 1);
  BmsSetCellArrangementTemperature(12, 1);
  BmsSetCellLimitsVoltage(2.0, 5.0);
  BmsSetCellLimitsTemperature(-39, 200);
  BmsSetCellDefaultThresholdsVoltage(0.030, 0.050);
  BmsSetCellDefaultThresholdsTemperature(4.0, 5.0);  

  //Battery capacity
  m_battery_capacity= 52000;

  #ifdef CONFIG_OVMS_COMP_WEBSERVER
  WebInit();
  #endif
}

OvmsVehicleRenaultZoePh2::~OvmsVehicleRenaultZoePh2() {
  ESP_LOGI(TAG, "Stop Renault Zoe Ph2 vehicle module");
}

/**
 * Handles incoming CAN-frames on bus 1
 */
void OvmsVehicleRenaultZoePh2::IncomingFrameCan1(CAN_frame_t* p_frame) {
	uint8_t *data = p_frame->data.u8;
	//ESP_LOGI(TAG, "PID:%x DATA: %02x %02x %02x %02x %02x %02x %02x %02x", p_frame->MsgID, data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);
  //ESP_LOGD(TAG, "Status CAN Bus: %s", mt_bus_awake->AsBool() ? "true" : "false");

  // Poll reply gives 0x83 0xc0 that means zoe is sleeping and CAN gateway does not respond to anything
   if (mt_bus_awake->AsBool() && data[0] == 0x83 && data[1] == 0xc0) {
      ESP_LOGI(TAG,"Zoe has gone to sleep (CAN Gateway NAK response)");
      mt_bus_awake->SetValue(false);
      StandardMetrics.ms_v_env_on->SetValue(false);
		  StandardMetrics.ms_v_env_awake->SetValue(false);
      StandardMetrics.ms_v_env_charging12v->SetValue(false);
      StandardMetrics.ms_v_pos_speed->SetValue( 0 );
      POLLSTATE_OFF;
    }
  //There are some free frames on wakeup and start and stop charging.... I try to use them to see if Car is awake and charging, see /Reference/ZOE_Ph2_xxx text files
  if (!mt_bus_awake->AsBool() && (data[0] == 0x05 || data[0] == 0x06 || data[0] == 0x07)) { //listen for SingleFrames (0x0) with length of 5-7
      ESP_LOGI(TAG,"Zoe woke up (CAN Bus activity detected)");
      mt_bus_awake->SetValue(true);;
      StandardMetrics.ms_v_env_on->SetValue(true);
		  StandardMetrics.ms_v_env_awake->SetValue(true);
      StandardMetrics.ms_v_env_charging12v->SetValue(true);
      POLLSTATE_ON;
  }

  if (mt_bus_awake->AsBool() && !CarIsDriving && StandardMetrics.ms_v_pos_gpsspeed->AsFloat() > 5) { //If GPS speed bigger than 5km/h then assume Vehicle driving, later I used OBD speed for that
      ESP_LOGI(TAG,"Zoe is driving");
      StandardMetrics.ms_v_env_on->SetValue(true);
      POLLSTATE_RUNNING;
      CarIsDriving = true;
  } else if (mt_bus_awake->AsBool() && CarIsDriving && StandardMetrics.ms_v_pos_gpsspeed->AsFloat() < 5) {
        ESP_LOGI(TAG,"Zoe stopped driving");
        StandardMetrics.ms_v_env_on->SetValue(false);
        POLLSTATE_ON;
      }
}

/**
 * Handles incoming poll results
 */
void OvmsVehicleRenaultZoePh2::IncomingPollReply(canbus* bus, uint16_t type, uint16_t pid, uint8_t* data, uint8_t length, uint16_t remain) {
	string& rxbuf = zoe_obd_rxbuf;
  
  //ESP_LOGV(TAG, "pid: %04x length: %d m_poll_ml_remain: %d m_poll_ml_frame: %d", pid, length, m_poll_ml_remain, m_poll_ml_frame);

  // init / fill rx buffer:
  if (m_poll_ml_frame == 0) {
    rxbuf.clear();
    rxbuf.reserve(length + remain);
  }
  rxbuf.append((char*)data, length);
  
  if (remain)
    return;
  
	switch (m_poll_moduleid_low) {
		// ****** INV *****
		case 0x18daf1df:
			IncomingINV(type, pid, rxbuf.data(), rxbuf.size());
			break;
    // ****** EVC *****
		case 0x18daf1da:
			IncomingEVC(type, pid, rxbuf.data(), rxbuf.size());
			break;
    // ****** BCM *****
    case 0x765:
      IncomingBCM(type, pid, rxbuf.data(), rxbuf.size());
      break;
    // ****** LBC *****
    case 0x18daf1db:
      IncomingLBC(type, pid, rxbuf.data(), rxbuf.size());
      break;
    // ****** HVAC *****
    case 0x764:
      IncomingHVAC(type, pid, rxbuf.data(), rxbuf.size());
      break;
    // ****** UCM *****
    case 0x76D:
      IncomingUCM(type, pid, rxbuf.data(), rxbuf.size());
      break;
	}
}

int OvmsVehicleRenaultZoePh2::calcMinutesRemaining(float charge_voltage, float charge_current) {
  float bat_soc = StandardMetrics.ms_v_bat_soc->AsFloat(100);

  float remaining_wh    = m_battery_capacity * bat_soc / 100.0;
  float remaining_hours = remaining_wh / (charge_current * charge_voltage);
  float remaining_mins  = remaining_hours * 60.0;

  return MIN( 1440, (int)remaining_mins );
}

//Handle Charging values
void OvmsVehicleRenaultZoePh2::Ticker10(uint32_t ticker) {
  float charge_current  = StandardMetrics.ms_v_bat_current->AsFloat(0, Amps);
  float charge_voltage  = StandardMetrics.ms_v_bat_voltage->AsFloat(0, Volts);
  float battery_power   = StandardMetrics.ms_v_bat_power->AsFloat(0, kW);
  float charger_power   = StandardMetrics.ms_v_charge_power->AsFloat(0, kW);
  float ac_current      = StandardMetrics.ms_v_charge_current->AsFloat(0, Amps);
  string ac_phases      = mt_main_phases->AsString();
  
  if (CarIsCharging != CarLastCharging) {
        if (CarIsCharging) {
          StandardMetrics.ms_v_charge_kwh->SetValue(0);
          StandardMetrics.ms_v_charge_inprogress->SetValue(CarIsCharging);
        } else {
          StandardMetrics.ms_v_charge_inprogress->SetValue(CarIsCharging);
        }
      }
    CarLastCharging = CarIsCharging;

  if (!StandardMetrics.ms_v_charge_pilot->AsBool()      ||
      !StandardMetrics.ms_v_charge_inprogress->AsBool() ||
      (charge_current <= 0.0) ) {
    return;
  }
  
  if (charge_voltage > 0 && charge_current > 0) {
    float power  = charge_voltage * charge_current / 1000.0;
    float energy = power / 3600.0 * 10.0;
    StandardMetrics.ms_v_charge_kwh->SetValue( StandardMetrics.ms_v_charge_kwh->AsFloat() + energy);
    
    int minsremaining = calcMinutesRemaining(charge_voltage, charge_current);

    StandardMetrics.ms_v_charge_duration_range->SetValue(minsremaining / 10, Minutes);
    ESP_LOGV(TAG, "Charge time remaining: %d mins, AC current: %f with %s", minsremaining / 10, ac_current, ac_phases.c_str());

    StandardMetrics.ms_v_charge_efficiency->SetValue(fabs(battery_power / charger_power) * 100.0);
    ESP_LOGD(TAG, "Charger efficiency %f", StandardMetrics.ms_v_charge_efficiency->AsFloat(100));
    }
}

class OvmsVehicleRenaultZoePh2Init {
  public: OvmsVehicleRenaultZoePh2Init();
} MyOvmsVehicleRenaultZoePh2Init  __attribute__ ((init_priority (9000)));


OvmsVehicleRenaultZoePh2Init::OvmsVehicleRenaultZoePh2Init() 
{
  ESP_LOGI(TAG, "Registering Vehicle: Renault Zoe Ph2 (9000)");
  MyVehicleFactory.RegisterVehicle<OvmsVehicleRenaultZoePh2>("RZ2","Renault Zoe Ph2");
}