/*
   Project renamed from eNiroDashboard to evDash

  !! working only with OBD BLE 4.0 adapters
  !! Supported adapter is Vgate ICar Pro (must be BLE4.0 version)
  !! Not working with standard BLUETOOTH 3 adapters

  Serial console commands

    serviceUUID=xxx
    charTxUUID=xxx
    charRxUUID=xxx
    wifiSsid=xxx
    wifiPassword=xxx
    gprsApn=xxx
    remoteApiUrl=xxx
    remoteApiKey=xxx

  Required libraries
  - esp32 board support
  - tft_espi
  - ArduinoJson
  - TinyGPSPlus (m5stack GPS)

  SIM800L m5stack (https://github.com/kolaCZek)
  - SIM800L.h
*/

////////////////////////////////////////////////////////////
// SELECT HARDWARE
////////////////////////////////////////////////////////////

// Boards
//#define BOARD_TTGO_T4
#define BOARD_M5STACK_CORE

//#define SIM800L_ENABLED

////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////

#include <SPI.h>
#include "BoardInterface.h"

#ifdef BOARD_TTGO_T4
#include "BoardTtgoT4v13.h"
#endif // BOARD_TTGO_T4
#ifdef BOARD_M5STACK_CORE
#include "BoardM5stackCore.h"
#endif // BOARD_M5STACK_CORE

#include <sys/time.h>
#include "config.h"
#include "LiveData.h"
#include "CarInterface.h"
#include "CarKiaEniro.h"
#include "CarHyundaiIoniq.h"
#include "CarRenaultZoe.h"
#include "CarKiaNiroPhev.h"
#include "CarKiaDebugObd2.h"
#include "CarBmwI3.h"

#ifdef SIM800L_ENABLED
#include <ArduinoJson.h>
#include "SIM800L.h"

SIM800L* sim800l;
HardwareSerial SerialGPRS(2);
#endif //SIM800L_ENABLED

// Board, Car, Livedata (params, settings)
BoardInterface* board;
CarInterface* car;
LiveData* liveData;

/**
  SIM800L
*/
#ifdef SIM800L_ENABLED
bool sim800lSetup() {
  Serial.println("Setting SIM800L module");

  SerialGPRS.begin(9600);

  sim800l = new SIM800L((Stream *)&SerialGPRS, SIM800L_RST, 512 , 512);
  // SIM800L DebugMode:
  //sim800l = new SIM800L((Stream *)&SerialGPRS, SIM800L_RST, 512 , 512, (Stream *)&Serial);

  bool sim800l_ready = sim800l->isReady();
  for (uint8_t i = 0; i < 5 && !sim800l_ready; i++) {
    Serial.println("Problem to initialize SIM800L module, retry in 1 sec");
    delay(1000);
    sim800l_ready = sim800l->isReady();
  }

  if (!sim800l_ready) {
    Serial.println("Problem to initialize SIM800L module");
  } else {
    Serial.println("SIM800L module initialized");

    Serial.print("Setting GPRS APN to: ");
    Serial.println(liveData->settings.gprsApn);

    bool sim800l_gprs = sim800l->setupGPRS(liveData->settings.gprsApn);
    for (uint8_t i = 0; i < 5 && !sim800l_gprs; i++) {
      Serial.println("Problem to set GPRS APN, retry in 1 sec");
      delay(1000);
      sim800l_gprs = sim800l->setupGPRS(liveData->settings.gprsApn);
    }

    if (sim800l_gprs) {
      liveData->params.sim800l_enabled = true;
      Serial.println("GPRS APN set OK");
    } else {
      Serial.println("Problem to set GPRS APN");
    }
  }

  return true;
}

bool sendDataViaGPRS() {
  Serial.println("Sending data via GPRS");

  if (liveData->params.socPerc < 0) {
    Serial.println("No valid data, skipping data send");
    return false;
  }

  NetworkRegistration network = sim800l->getRegistrationStatus();
  if (network != REGISTERED_HOME && network != REGISTERED_ROAMING) {
    Serial.println("SIM800L module not connected to network, skipping data send");
    return false;
  }

  if (!sim800l->isConnectedGPRS()) {
    Serial.println("GPRS not connected... Connecting");
    bool connected = sim800l->connectGPRS();
    for (uint8_t i = 0; i < 5 && !connected; i++) {
      Serial.println("Problem to connect GPRS, retry in 1 sec");
      delay(1000);
      connected = sim800l->connectGPRS();
    }
    if (connected) {
      Serial.println("GPRS connected!");
    } else {
      Serial.println("GPRS not connected! Reseting SIM800L module!");
      sim800l->reset();
      sim800lSetup();

      return false;
    }
  }

  Serial.println("Start HTTP POST...");

  StaticJsonDocument<512> jsonData;

  jsonData["apikey"] = liveData->settings.remoteApiKey;
  jsonData["carType"] = liveData->settings.carType;
  jsonData["socPerc"] = liveData->params.socPerc;
  jsonData["sohPerc"] = liveData->params.sohPerc;
  jsonData["batPowerKw"] = liveData->params.batPowerKw;
  jsonData["batPowerAmp"] = liveData->params.batPowerAmp;
  jsonData["batVoltage"] = liveData->params.batVoltage;
  jsonData["auxVoltage"] = liveData->params.auxVoltage;
  jsonData["auxAmp"] = liveData->params.auxCurrentAmp;
  jsonData["batMinC"] = liveData->params.batMinC;
  jsonData["batMaxC"] = liveData->params.batMaxC;
  jsonData["batInletC"] = liveData->params.batInletC;
  jsonData["batFanStatus"] = liveData->params.batFanStatus;
  jsonData["speedKmh"] = liveData->params.speedKmh;
  jsonData["odoKm"] = liveData->params.odoKm;
  jsonData["cumulativeEnergyChargedKWh"] = liveData->params.cumulativeEnergyChargedKWh;
  jsonData["cumulativeEnergyDischargedKWh"] = liveData->params.cumulativeEnergyDischargedKWh;

  char payload[512];
  serializeJson(jsonData, payload);

  Serial.print("Sending payload: ");
  Serial.println(payload);

  Serial.print("Remote API server: ");
  Serial.println(liveData->settings.remoteApiUrl);

  uint16_t rc = sim800l->doPost(liveData->settings.remoteApiUrl, "application/json", payload, 10000, 10000);
  if (rc == 200) {
    Serial.println("HTTP POST successful");
  } else {
    // Failed...
    Serial.print("HTTP POST error: ");
    Serial.println(rc);
  }

  return true;
}
#endif //SIM800L_ENABLED

/**
  Setup device
*/
void setup(void) {

  // Serial console, init structures
  Serial.begin(115200);
  Serial.println("");
  Serial.println("Booting device...");

  // Init settings/params, board library
  liveData = new LiveData();
  liveData->initParams();

#ifdef BOARD_TTGO_T4
  board = new BoardTtgoT4v13();
#endif // BOARD_TTGO_T4
#ifdef BOARD_M5STACK_CORE
  board = new BoardM5stackCore();
#endif // BOARD_M5STACK_CORE
  board->setLiveData(liveData);
  board->loadSettings();
  board->initBoard();

  // Car interface
  if (liveData->settings.carType == CAR_KIA_ENIRO_2020_64 || liveData->settings.carType == CAR_HYUNDAI_KONA_2020_64 ||
      liveData->settings.carType == CAR_KIA_ENIRO_2020_39 || liveData->settings.carType == CAR_HYUNDAI_KONA_2020_39) {
    car = new CarKiaEniro();
  } else if (liveData->settings.carType == CAR_HYUNDAI_IONIQ_2018) {
    car = new CarHyundaiIoniq();
  } else if (liveData->settings.carType == CAR_KIA_NIRO_PHEV) {
    car = new CarKiaNiroPhev();
  } else if(liveData->settings.carType == CAR_RENAULT_ZOE) {
	car = new CarRenaultZoe();
  } else if(liveData->settings.carType == CAR_BMW_I3_2014) {
    car = new CarBmwI3();
  } else {
    // if (liveData->settings.carType == CAR_DEBUG_OBD2_KIA)
    car = new CarKiaDebugObd2();
  }
  car->setLiveData(liveData);
  car->activateCommandQueue();
  board->attachCar(car);

  // Redraw screen
  board->redrawScreen();

  // Init time library
  struct timeval tv;
  tv.tv_sec = 1589011873;
  settimeofday(&tv, NULL);
  struct tm now;
  getLocalTime(&now, 0);
  liveData->params.chargingStartTime = liveData->params.currentTime = mktime(&now);

#ifdef SIM800L_ENABLED
  sim800lSetup();
#endif //SIM800L_ENABLED

  // Finish board setup
  board->afterSetup();

  // End
  Serial.println("Device setup completed");
}

/**
  Main loop
*/
void loop() {

#ifdef SIM800L_ENABLED
  if (liveData->params.lastDataSent + SIM800L_TIMER < liveData->params.currentTime && liveData->params.sim800l_enabled) {
    sendDataViaGPRS();
    liveData->params.lastDataSent = liveData->params.currentTime;
  }
#endif // SIM800L_ENABLED

  board->mainLoop();
}