/*__________________________________________________________________________________________________________________________________

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╚══════╝ ╚═════╝ ╚═╝  ╚═╝╚═╝  ╚═╝    ╚═╝  ╚═╝╚═╝     ╚═╝  ╚═╝╚══════╝       ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝ ╚═════╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝

                                                    Ricardo Guzman - CA2RXU 
                                          https://github.com/richonguzman/LoRa_APRS_Tracker
                                            (donations : http://paypal.me/richonguzman)                                                                       
__________________________________________________________________________________________________________________________________*/

#include <BluetoothSerial.h>
#include <OneButton.h>
#include <TinyGPS++.h>
#include <Arduino.h>
#include <logger.h>
#include <WiFi.h>
#include <vector>
#include <deque>
#include "APRSPacketLib.h"
#include "notification_utils.h"
#include "bluetooth_utils.h"
#include "keyboard_utils.h"
#include "configuration.h"
#include "station_utils.h"
#include "button_utils.h"
#include "pins_config.h"
#include "power_utils.h"
#include "menu_utils.h"
#include "lora_utils.h"
#include "msg_utils.h"
#include "gps_utils.h"
#include "bme_utils.h"
#include "ble_utils.h"
#include "display.h"
#include "SPIFFS.h"
#include "utils.h"

Configuration                 Config;
HardwareSerial                neo6m_gps(1);
TinyGPSPlus                   gps;
#if !defined(TTGO_T_Beam_S3_SUPREME_V3) && !defined(HELTEC_V3_GPS)
BluetoothSerial               SerialBT;
#endif
#ifdef HAS_BUTTON
OneButton userButton          = OneButton(BUTTON_PIN, true, true);
#endif

String    versionDate         = "2024.02.24";

int       myBeaconsIndex      = 0;
int       myBeaconsSize       = Config.beacons.size();
Beacon    *currentBeacon      = &Config.beacons[myBeaconsIndex];

int       menuDisplay         = 100;

int       messagesIterator    = 0;
std::vector<String>           loadedAPRSMessages;
std::vector<String>           loadedWLNKMails;
std::deque<String>            outputBufferPackets;

bool      displayEcoMode      = Config.display.ecoMode;
bool      displayState        = true;
uint32_t  displayTime         = millis();
uint32_t  refreshDisplayTime  = millis();

bool      sendUpdate          = true;
int       updateCounter       = Config.sendCommentAfterXBeacons;
bool	  sendStandingUpdate  = false;
bool      statusState         = true;
uint32_t  statusTime          = millis();
bool      bluetoothConnected  = false;
bool      bluetoothActive     = Config.bluetoothActive;
bool      sendBleToLoRa       = false;
String    BLEToLoRaPacket     = "";

bool      messageLed          = false;
uint32_t  messageLedTime      = millis();
int       lowBatteryPercent   = 21;

uint32_t  lastTelemetryTx     = millis();
uint32_t  telemetryTx         = millis();

uint32_t  lastTx              = 0.0;
uint32_t  txInterval          = 60000L;
uint32_t  lastTxTime          = millis();
double    lastTxLat           = 0.0;
double    lastTxLng           = 0.0;
double    lastTxDistance      = 0.0;
double    currentHeading      = 0;
double    previousHeading     = 0;

uint32_t  menuTime            = millis();
bool      symbolAvailable     = true;

uint32_t  bmeLastReading      = -60000;

int       screenBrightness    = 1;
bool      keyboardConnected   = false;
bool      keyDetected         = false;
uint32_t  keyboardTime        = millis();
String    messageCallsign     = "";
String    messageText         = "";

bool      flashlight          = false;
bool      digirepeaterActive  = false;
bool      sosActive           = false;
bool      disableGPS;

bool      miceActive          = false;

bool      smartBeaconValue    = true;

int       ackNumberSend;
uint32_t  ackTime             = millis();

int       winlinkStatus         = 0;
String    winlinkMailNumber     = "_?";
String    winlinkAddressee      = "";
String    winlinkSubject        = "";
String    winlinkBody           = "";
String    winlinkAlias          = "";
String    winlinkAliasComplete  = "";

APRSPacket                    lastReceivedPacket;

logging::Logger               logger;

void setup() {
    Serial.begin(115200);

    #ifndef DEBUG
    logger.setDebugLevel(logging::LoggerLevel::LOGGER_LEVEL_INFO);
    #endif

    POWER_Utils::setup();

    setup_display();
    if (Config.notification.buzzerActive) {
        pinMode(Config.notification.buzzerPinTone, OUTPUT);
        pinMode(Config.notification.buzzerPinVcc, OUTPUT);
        NOTIFICATION_Utils::start();
    }
    if (Config.notification.ledTx) {
        pinMode(Config.notification.ledTxPin, OUTPUT);
    }
    if (Config.notification.ledMessage) {
        pinMode(Config.notification.ledMessagePin, OUTPUT);
    }
    if (Config.notification.ledFlashlight) {
        pinMode(Config.notification.ledFlashlightPin, OUTPUT);
    }

    show_display(" LoRa APRS", "", "      (TRACKER)", "", "Richonguzman / CA2RXU", "      " + versionDate, 4000);
    logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "Main", "RichonGuzman (CA2RXU) --> LoRa APRS Tracker/Station");
    logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "Main", "Version: %s", versionDate);

    if (Config.ptt.active) {
        pinMode(Config.ptt.io_pin, OUTPUT);
        digitalWrite(Config.ptt.io_pin, Config.ptt.reverse ? HIGH : LOW);
    }

    MSG_Utils::loadNumMessages();
    GPS_Utils::setup();
    LoRa_Utils::setup();
    BME_Utils::setup();
    STATION_Utils::loadCallsignIndex();
    ackNumberSend = random(1,999);

    WiFi.mode(WIFI_OFF);
    logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "Main", "WiFi controller stopped");
    if (Config.bluetoothType==0) {
        BLE_Utils::setup();
    } else {
        #if !defined(TTGO_T_Beam_S3_SUPREME_V3) && !defined(HELTEC_V3_GPS)
        BLUETOOTH_Utils::setup();
        #endif
    }

    if (!Config.simplifiedTrackerMode) {
        #ifdef HAS_BUTTON
        userButton.attachClick(BUTTON_Utils::singlePress);
        userButton.attachLongPressStart(BUTTON_Utils::longPress);
        userButton.attachDoubleClick(BUTTON_Utils::doublePress);
        #endif
        KEYBOARD_Utils::setup();
    }

    POWER_Utils::lowerCpuFrequency();
    logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "Main", "Smart Beacon is: %s", Utils::getSmartBeaconState());
    logger.log(logging::LoggerLevel::LOGGER_LEVEL_INFO, "Main", "Setup Done!");
    menuDisplay = 0;
}

void loop() {
    currentBeacon = &Config.beacons[myBeaconsIndex];
    if (statusState) {
        Config.validateConfigFile(currentBeacon->callsign);
        miceActive = Config.validateMicE(currentBeacon->micE);
    }
    STATION_Utils::checkSmartBeaconValue();
    
    if (ackNumberSend >= 999) {
        ackNumberSend = 1;
    }

    POWER_Utils::batteryManager();

    if (!Config.simplifiedTrackerMode) {
        #ifdef HAS_BUTTON
        userButton.tick();
        #endif
    }

    Utils::checkDisplayEcoMode();

    if (keyboardConnected) {
        KEYBOARD_Utils::read();
    }

    GPS_Utils::getData();
    bool gps_time_update = gps.time.isUpdated();
    bool gps_loc_update  = gps.location.isUpdated();
    GPS_Utils::setDateFromData();

    MSG_Utils::checkReceivedMessage(LoRa_Utils::receivePacket());
    MSG_Utils::processOutputBuffer();
    MSG_Utils::ledNotification();
    Utils::checkFlashlight();
    STATION_Utils::checkListenedTrackersByTimeAndDelete();
    if (Config.bluetoothType==0) {
        BLE_Utils::sendToLoRa();
    } else {
        #if !defined(TTGO_T_Beam_S3_SUPREME_V3) && !defined(HELTEC_V3_GPS)
        BLUETOOTH_Utils::sendToLoRa();
        #endif
    }

    int currentSpeed = (int) gps.speed.kmph();

    if (gps_loc_update) {
        Utils::checkStatus();
        STATION_Utils::checkTelemetryTx();
    }
    lastTx = millis() - lastTxTime;
    if (!sendUpdate && gps_loc_update && smartBeaconValue) {
        GPS_Utils::calculateDistanceTraveled();
        if (!sendUpdate) {
            GPS_Utils::calculateHeadingDelta(currentSpeed);
        }
        STATION_Utils::checkStandingUpdateTime();
    }
    STATION_Utils::checkSmartBeaconState();
    if (sendUpdate && gps_loc_update) {
        STATION_Utils::sendBeacon("GPS");
    }
    if (gps_time_update) {
        STATION_Utils::checkSmartBeaconInterval(currentSpeed);
    }
  
    if (millis() - refreshDisplayTime >= 1000 || gps_time_update) {
        GPS_Utils::checkStartUpFrames();
        MENU_Utils::showOnScreen();
        refreshDisplayTime = millis();
    }
}