// ATtiny85 sleep mode, wake on pin change interrupt demo
// Author: Nick Gammon
// Date: 12 October 2013

// ATMEL ATTINY 25/45/85 / ARDUINO
//
//                  +-\/-+
// Ain0 (D 5) PB5  1|    |8  Vcc
// Ain3 (D 3) PB3  2|    |7  PB2 (D 2) Ain1
// Ain2 (D 4) PB4  3|    |6  PB1 (D 1) pwm1
//            GND  4|    |5  PB0 (D 0) pwm0
//                  +----+

//#include <avr/sleep.h>    // Sleep Modes
//#include <avr/power.h>
// increased the switch delay to work with RF433MHz remote

#define PUMP_TIMEOUT 5//80 seconds actual time (5 for testing)
#define SOLENOID_TIMEOUT1 5//300
#define SOLENOID_TIMEOUT2 5//60
#define LED_TIME 100
const byte pump = 1;
const byte solenoid = 2;  // pin 2
const byte pumpSwitch = 5;
const byte solenoidSwitch = 3;
const byte statusLed = 0;

bool pumpState = 0;
bool solenoidState = 0;
unsigned int pumpTime = 0;
unsigned int solenoidTime = 0;
unsigned long tNow;
unsigned long tLed;
unsigned long solenoidTimeout;

void setup ()
{
  pinMode (pump, OUTPUT);
  pinMode (solenoid, OUTPUT);
  pinMode (statusLed, OUTPUT);
  pinMode (pumpSwitch, INPUT_PULLUP);
  pinMode (solenoidSwitch, INPUT_PULLUP);
  // digitalWrite (SWITCH, HIGH);  // internal pull-up

  delay(1000);
  digitalWrite(statusLed,HIGH);
  delay(100);
  digitalWrite(statusLed,LOW);
  delay(300);
  digitalWrite(statusLed,HIGH);
  delay(100);
  digitalWrite(statusLed,LOW);

  solenoidTimeout = SOLENOID_TIMEOUT1;
  

  tNow = millis();

}

void loop (){
  if((millis()-tNow) >= 1000){
    tNow = millis();
    if(pumpState == 1){
      pumpTime++;
      if(pumpTime >= PUMP_TIMEOUT){
        pumpTime = 0;
        pumpState = 0;
        digitalWrite(pump,LOW);
        solenoidState = 1;
        solenoidTime = 0;
        solenoidTimeout = SOLENOID_TIMEOUT1;
        digitalWrite(solenoid,solenoidState);

      }
    }
    else{
      pumpTime = 0;
    }

    if(solenoidState == 1){
      solenoidTime++;
      if(solenoidTime >= solenoidTimeout){
        solenoidTime = 0;
        solenoidState = 0;
        digitalWrite(solenoid,LOW);       
      }
    }
    else{
      solenoidTime = 0;
    }

    digitalWrite(statusLed,HIGH);
    tLed = millis();
  }

  if((millis()-tLed)>= LED_TIME){
    digitalWrite(statusLed,LOW);
  }
  if (digitalRead(pumpSwitch) == 0) {
    if(pumpState == 1){
      pumpState = 0;
      pumpTime = 0;
    }
    else{
      pumpState = 1;
      pumpTime = 0;
      solenoidState = 0;
      digitalWrite(solenoid,solenoidState);
    }
    digitalWrite (pump, pumpState);
    delay(1000);
  }

  if (digitalRead(solenoidSwitch) == 0) {
    if(solenoidState == 0){
      solenoidState = 1;
      if(pumpState == 1){
        pumpState = 0;
        digitalWrite(pump,pumpState);
        pumpTime = 0;
      }
      solenoidTimeout = SOLENOID_TIMEOUT2;
    }
    else{
      solenoidState = 0;
    }
    digitalWrite (solenoid, solenoidState);
    if(solenoidState == 0){
      solenoidTime = 0;
    }
    delay(1000);
  }
}  // end of loop