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/**********************************************************************************
Modified by: Randy N. Cañada
 *  TITLE: ESP RainMaker  + IR + Manual Button control 2 Relays using ESP32 (Real time feedback + no WiFi control)
 *  Download the libraries
 *  AceButton Library (1.9.2): https://github.com/bxparks/AceButton
 *  IRremote Library (3.6.1): https://github.com/Arduino-IRremote/Arduino-IRremote
 **********************************************************************************/

#include "RMaker.h"
#include "WiFi.h"
#include "WiFiProv.h"
#include <IRremote.h>
#include <AceButton.h>
using namespace ace_button;

const char *service_name = "PROV_1234RB8";
const char *pop = "12345RB8";

// define the Chip Id
uint32_t espChipId = 0;

// define the Node Name
char nodeName[] = "ESP32_Relay_2B";

// define the Device Names
char deviceName_1[] = "Fan";
char deviceName_2[] = "Switch2";

//Update the HEX code of IR Remote buttons 0x<HEX CODE>
#define IR_Button_1   0xF30CFF00  //fan
#define IR_Button_2   0xE718FF00  //switch 2
#define IR_All_on     0xB847FF00  //all on
#define IR_All_Off    0xBA45FF00  // all off

// define the GPIO connected with Relays and switches
static uint8_t RelayPin1 = 13;  //D13
static uint8_t  LEDrelay1= 33;   //pilot light relay 1
static uint8_t RelayPin2 = 12;  //D12
static uint8_t  LEDrelay2= 32;   //pilot light relay2

static uint8_t SwitchPin1 = 23;  //D23
static uint8_t SwitchPin2 = 22;  //D12


static uint8_t wifiLed      = 2;  // D2
static uint8_t gpio_reset   = 0;  // Press BOOT for reset WiFi
static uint8_t IRpin        =35;  // D35 (IR receiver pin)


/* Variable for reading pin status*/
bool toggleState_1 = LOW; //Define integer to remember the toggle state for relay 1
bool toggleState_2 = LOW; //Define integer to remember the toggle state for relay 2
bool isLEDon       = HIGH;

IRrecv IR(IRpin);


ButtonConfig config1;
AceButton button1(&config1);
ButtonConfig config2;
AceButton button2(&config2);


void handleEvent1(AceButton*, uint8_t, uint8_t);
void handleEvent2(AceButton*, uint8_t, uint8_t);


//The framework provides some standard device types like switch, lightbulb, fan, temperature sensor.
static Switch my_switch1(deviceName_1, &RelayPin1);
static Switch my_switch2(deviceName_2, &RelayPin2);

void sysProvEvent(arduino_event_t *sys_event)
{
    switch (sys_event->event_id) {
        case ARDUINO_EVENT_PROV_START:
#if CONFIG_IDF_TARGET_ESP32
        Serial.printf("\nProvisioning Started with name \"%s\" and PoP \"%s\" on BLE\n", service_name, pop);
        printQR(service_name, pop, "ble");
#else
        Serial.printf("\nProvisioning Started with name \"%s\" and PoP \"%s\" on SoftAP\n", service_name, pop);
        printQR(service_name, pop, "softap");
#endif
        break;
        case ARDUINO_EVENT_WIFI_STA_CONNECTED:
        Serial.printf("\nConnected to Wi-Fi!\n");
        digitalWrite(wifiLed, true);
        break;
    }
}

//------This function is the one to control the rainmaker app and google/alexa voice control--------------
void write_callback(Device *device, Param *param, const param_val_t val, void *priv_data, write_ctx_t *ctx)
{
    const char *device_name = device->getDeviceName();
    const char *param_name = param->getParamName();

    if(strcmp(device_name, deviceName_1) == 0) {

      Serial.printf("Lightbulb = %s\n", val.val.b? "true" : "false");

      if(strcmp(param_name, "Power") == 0) {
          Serial.printf("Received value = %s for %s - %s\n", val.val.b? "true" : "false", device_name, param_name);
        toggleState_1 = val.val.b;
        (toggleState_1 == false) ? digitalWrite(RelayPin1, HIGH) : digitalWrite(RelayPin1, LOW);
        isLEDon = val.val.b;
        (isLEDon== true)         ? digitalWrite(LEDrelay1,HIGH)  : digitalWrite(LEDrelay1,LOW);
        param->updateAndReport(val);
      }
    }
    if(strcmp(device_name, deviceName_2) == 0) {

      Serial.printf("Switch value = %s\n", val.val.b? "true" : "false");

      if(strcmp(param_name, "Power") == 0) {
        Serial.printf("Received value = %s for %s - %s\n", val.val.b? "true" : "false", device_name, param_name);
        toggleState_2 = val.val.b;
        (toggleState_2 == false) ? digitalWrite(RelayPin2, HIGH) : digitalWrite(RelayPin2, LOW);
        isLEDon = val.val.b;
        (isLEDon== true)         ? digitalWrite(LEDrelay2,HIGH)  : digitalWrite(LEDrelay2,LOW);
        param->updateAndReport(val);
      }
   }
 }

void ir_remote(){
 while (IR.decode()) {
  Serial.println(IR.decodedIRData.decodedRawData,HEX);

      switch(IR.decodedIRData.decodedRawData){
          case IR_Button_1:
            digitalWrite(RelayPin1,toggleState_1 );
            digitalWrite(LEDrelay1,!toggleState_1);
            toggleState_1 = !toggleState_1;
            my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_1);
            break;
          case IR_Button_2:
            digitalWrite(RelayPin2, toggleState_2);
            digitalWrite(LEDrelay2,!toggleState_2);
            toggleState_2 = !toggleState_2;
            delay(100);
            break;
          case IR_All_on:
            digitalWrite(RelayPin1, toggleState_1);
            digitalWrite(LEDrelay1,!toggleState_1);
            toggleState_1 = !toggleState_1;
            my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_1);

            digitalWrite(RelayPin2, toggleState_2);
            digitalWrite(LEDrelay2,!toggleState_2);
            toggleState_2 = !toggleState_2;
            my_switch2.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_2);
            delay(100);
            break;
          case IR_All_Off:
            all_SwitchOff();
            digitalWrite(LEDrelay1,LOW);
            digitalWrite(LEDrelay2,LOW);
            break;
          default : break;
        }
      delay(100);
      IR.resume();
  }
}
void all_SwitchOff(){
  toggleState_1 = 0; digitalWrite(RelayPin1, HIGH); my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_1); delay(100);
  toggleState_2 = 0; digitalWrite(RelayPin2, HIGH); my_switch2.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_2); delay(100);

}

void all_SwitchOn(){
  toggleState_1 = 1; digitalWrite(RelayPin1, LOW); my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_1); delay(100);
  toggleState_2 = 1; digitalWrite(RelayPin2, LOW); my_switch2.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_2); delay(100);

}

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


    // Set the Relays GPIOs as output mode
    pinMode(RelayPin1, OUTPUT);
    pinMode(RelayPin2, OUTPUT);
    pinMode(LEDrelay1,OUTPUT);
    pinMode(LEDrelay2,OUTPUT);
    pinMode(wifiLed, OUTPUT);

    // Configure the input GPIOs
    pinMode(SwitchPin1, INPUT_PULLUP);
    pinMode(SwitchPin2, INPUT_PULLUP);
    pinMode(gpio_reset, INPUT);

    // Write to the GPIOs the default state on booting
    digitalWrite(RelayPin1, !toggleState_1);
    digitalWrite(RelayPin2, !toggleState_2);

    IR.enableIRIn(); // Enabling IR sensor

    config1.setEventHandler(button1Handler);
    config2.setEventHandler(button2Handler);

    button1.init(SwitchPin1);
    button2.init(SwitchPin2);


    Node my_node;
    my_node = RMaker.initNode(nodeName);

    //Standard switch device
    my_switch1.addCb(write_callback);
    my_switch2.addCb(write_callback);


    //Add switch device to the node
    my_node.addDevice(my_switch1);
    my_node.addDevice(my_switch2);


    //This is optional
    RMaker.enableOTA(OTA_USING_PARAMS);
    //If you want to enable scheduling, set time zone for your region using setTimeZone().
    //The list of available values are provided here https://rainmaker.espressif.com/docs/time-service.html
    // RMaker.setTimeZone("Asia/Shanghai");
    // Alternatively, enable the Timezone service and let the phone apps set the appropriate timezone
    RMaker.enableTZService();
    RMaker.enableSchedule();

    //Service Name
    for(int i=0; i<17; i=i+8) {
      espChipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
    }

    Serial.printf("\nChip ID:  %d Service Name: %s\n", espChipId, service_name);

    Serial.printf("\nStarting ESP-RainMaker\n");
    RMaker.start();

    WiFi.onEvent(sysProvEvent);
#if CONFIG_IDF_TARGET_ESP32
    WiFiProv.beginProvision(WIFI_PROV_SCHEME_BLE, WIFI_PROV_SCHEME_HANDLER_FREE_BTDM, WIFI_PROV_SECURITY_1, pop, service_name);
#else
    WiFiProv.beginProvision(WIFI_PROV_SCHEME_SOFTAP, WIFI_PROV_SCHEME_HANDLER_NONE, WIFI_PROV_SECURITY_1, pop, service_name);
#endif

    my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, false);
    my_switch2.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, false);
}

void loop()
{
    // Read GPIO0 (external button to reset device
    if(digitalRead(gpio_reset) == LOW) { //Push button pressed
        Serial.printf("Reset Button Pressed!\n");
        // Key debounce handling
        delay(100);
        int startTime = millis();
        while(digitalRead(gpio_reset) == LOW) delay(50);
        int endTime = millis();

        if ((endTime - startTime) > 10000) {
          // If key pressed for more than 10secs, reset all
          Serial.printf("Reset to factory.\n");
          RMakerFactoryReset(2);
        } else if ((endTime - startTime) > 3000) {
          Serial.printf("Reset Wi-Fi.\n");
          // If key pressed for more than 3secs, but less than 10, reset Wi-Fi
          RMakerWiFiReset(2);
        }
    }
    delay(100);

    if (WiFi.status() != WL_CONNECTED)
    {
      //Serial.println("WiFi Not Connected");
      digitalWrite(wifiLed, false);
    }
    else
    {
      //Serial.println("WiFi Connected");
      digitalWrite(wifiLed, true);
    }

    ir_remote(); //IR remote Control
    button1.check();
    button2.check();
}

//-----This function is for the physical button------------
void button1Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
  Serial.println("EVENT1");
  switch (eventType) {
    case AceButton::kEventReleased:
      digitalWrite(RelayPin1, toggleState_1);
      digitalWrite(LEDrelay1,!toggleState_1);
      toggleState_1 = !toggleState_1;
      my_switch1.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_1);
      break;
  }
}
void button2Handler(AceButton* button, uint8_t eventType, uint8_t buttonState) {
  Serial.println("EVENT2");
  switch (eventType) {
    case AceButton::kEventReleased:
      digitalWrite(RelayPin2, toggleState_2);
      digitalWrite(LEDrelay2,!toggleState_2);
      toggleState_2 = !toggleState_2;
      my_switch2.updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME, toggleState_2);
      break;
  }
}