/*                                      PARKING LOT PROJECT
                                          Baptiste Pousset
    For developpement pruposes the fair of staying in the parking spot is $2/seconds 
    FYI the sensor takes 6 (clock) seconds to turn off 
*/
#include <LiquidCrystal_I2C.h>      //LCD library
LiquidCrystal_I2C lcd(0x27,16,2);   // LCD size and screen parameters

const int ledred = 22;    // LED RED ativation pin 
const int ledgreen = 21;  // LED GREEN activation pin
//variable of the pins to the motion sensors
int M1 = 34;               
int M2 = 35;
int M3 = 32;
int M4 = 33;
int M5 = 25;
int M6 = 26;               
int M7 = 27;
int M8 = 14;
int M9 = 12;
int M10 = 13;

// variable for reading the motion sensor status
int val1 = LOW;             
int val2 = LOW;
int val3 = LOW;                    
int val4 = LOW;
int val5 = LOW;
int val6 = LOW;                    
int val7 = LOW;
int val8 = LOW;
int val9 = LOW;                    
int val10 = LOW;

// variable to get time of sensor activation
int t1 = 0;                   
int t2 = 0;
int t3 = 0;                    
int t4 = 0;
int t5 = 0;
int t6 = 0;                    
int t7 = 0;
int t8 = 0;
int t9 = 0;                    
int t10 = 0;
//parking spot status
int v1,v2,v3,v4,v5,v6,v7,v8,v9,v10;
//flags of each parking spot. F=0 someone just left and payed, F=1 someone on parking, F=2 no one in parking spot
int f1=0,f2=0,f3=0,f4=0,f5=0,f6=0,f7=0,f8=0,f9=0,f10=0;

int value=0;    // Parking price to be payed
int Cap = 0;    // Parking ocupancy
int Ava = 10;   // Parking left


void setup() {
  Wire.begin(4,5);          //connection of the LCD
  lcd.init();               // initialize the lcd
  lcd.backlight();
  pinMode(ledred, OUTPUT);      // declare LED as output
  pinMode(ledgreen, OUTPUT);      // declare LED as output
  pinMode(M1, INPUT);     // declare sensor as input
  pinMode(M2, INPUT);     // declare sensor as input
  pinMode(M3, INPUT);     // declare sensor as input
  pinMode(M4, INPUT);     // declare sensor as input
  pinMode(M5, INPUT);     // declare sensor as input
  pinMode(M6, INPUT);     // declare sensor as input
  pinMode(M7, INPUT);     // declare sensor as input
  pinMode(M8, INPUT);     // declare sensor as input
  pinMode(M9, INPUT);     // declare sensor as input
  pinMode(M10, INPUT);     // declare sensor as input
  Serial.begin(9600);
}

void loop() {
  val1 = digitalRead(M1);  // read input value
  val2 = digitalRead(M2);  // read input value
  val3 = digitalRead(M3);  // read input value
  val4 = digitalRead(M4);  // read input value
  val5 = digitalRead(M5);  // read input value
  val6 = digitalRead(M6);  // read input value
  val7 = digitalRead(M7);  // read input value
  val8 = digitalRead(M8);  // read input value
  val9 = digitalRead(M9);  // read input value
  val10 = digitalRead(M10);  // read input 

  

  // converting to variable HIGH to 1 and LOW to 0 with a condition statement and time ticks
  if (val1 == HIGH ){
    v1=1;
    t1+=1; // should be a start counting
    delay(1000);
    f1=1;                           //flag saying that there was someone there recently
  }
  else if (f1 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f2 == 0 ||f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
    // t2+=15;t3+=15;t4+=15;t5+=15;
     
  // } 
   value = t1*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P1");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P1");
    }
    delay (15000);
    f1=0;                         // flag put back down
    value=0;
    }

  else {
    v1=0;                         // there is no one in the spot
    t1=0;                         // the tick count has stopped
    f1=2;                         //this means there is no one in the 
  }

          //Sensor 2
  if (val2 == HIGH){
    v2=1;
    t2+=1; // should be a start counting
    delay(1000);
    f2=1;    
  }
  else if (f2 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
  //  t2+=15;
  // } 
   value = t2*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P2");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P2");
    }
    delay (15000);
    f2=0;                         // flag put back down
    value=0;
    }

  else {
    v2=0;                         // there is no one in the spot
    t2=0;                         // the tick count has stopped
    f2=2;                         //this means there is no one in the spot
  }

      //Sensor 3
if (val3 == HIGH){
    v3=1;
    t3+=1; // should be a start counting
    delay(1000);
    f3=1;    
  }
  else if (f3 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f2 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
  //   t3+=15;
  // } 
   value = t3*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P3");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P3");
    }
    delay (15000);
    f3=0;                         // flag put back down
    value=0;
    }

  else {
    v3=0;                         // there is no one in the spot
    t3=0;                         // the tick count has stopped
    f3=2;                         //this means there is no one in the spot
  }
      //Sensor 4
if (val4 == HIGH){
    v4=1;
    t4+=1; // should be a start counting
    delay(1000);
    f4=1;    
  }
  else if (f4 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
  // if (f1 == 0 ||f2 == 0 || f3 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
  //   t4+=15;
  // } 
   value = t4*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P4");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P4");
    }
    delay (15000);
    f4=0;                         // flag put back down
    value=0;
    }

  else {
    v4=0;                         // there is no one in the spot
    t4=0;                         // the tick count has stopped
    f4=2;                         //this means there is no one in the spot
  }

      //Sensor 5
if (val5 == HIGH){
    v5=1;
    t5+=1; // should be a start counting
    delay(1000);
    f5=1;    
  }
  else if (f5 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
   //  t5+=15;
  // }  
   value = t5*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P5");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P5");
    }
    delay (15000);
    f5=0;                         // flag put back down
    value=0;
    }

  else {
    v5=0;                         // there is no one in the spot
    t5=0;                         // the tick count has stopped
    f5=2;                         //this means there is no one in the spot
  }

      //Sensor 6
if (val6 == HIGH){
    v6=1;
    t6+=1; // should be a start counting
    delay(1000);
    f6=1;    
  }
  else if (f6 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f5 == 0 || f7 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
   //  t6+=15;
   //} 
   value = t6*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P6");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P6");
    }
    delay (15000);
    f6=0;                         // flag put back down
    value=0;
    }

  else {
    v6=0;                         // there is no one in the spot
    t6=0;                         // the tick count has stopped
    f6=2;                         //this means there is no one in the spot
  }

      //Sensor 7
if (val7 == HIGH){
    v7=1;
    t7+=1; // should be a start counting
    delay(1000);
    f7=1;    
  }
  else if (f7 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
  // if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f8 == 0 || f9 == 0|| f10 == 0){
   //  t7+=15;
   //}  
   value = t7*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P7");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P7");
    }
    delay (15000);
    f7=0;                         // flag put back down
    value=0;
    }

  else {
    v7=0;                         // there is no one in the spot
    t7=0;                         // the tick count has stopped
    f7=2;                         //this means there is no one in the spot
  }

      //Sensor 8
if (val8 == HIGH){
    v8=1;
    t8+=1; // should be a start counting
    delay(1000);
    f8=1;    
  }
  else if (f8 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f9 == 0|| f10 == 0){
   //  t8+=15;
  // } 
   value = t8*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P8");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P8");
    }
    delay (15000);
    f8=0;                         // flag put back down
    value=0;
    }

  else {
    v8=0;                         // there is no one in the spot
    t8=0;                         // the tick count has stopped
    f8=2;                         //this means there is no one in the spot
  }

      //Sensor 9
if (val9 == HIGH){
    v9=1;
    t9+=1; // should be a start counting
    delay(1000);
    f9=1;    
  }
  else if (f9 == 1 ){              // when val1==LOW and the flag is up
    //if ofther spots are checking out we add the 15s delay of the message to 
  // if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f10 == 0){
   //  t9+=15;
   //} 
   value = t9*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P9");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P9");
    }
   delay (10000);                 // ten second was put for debuging purposes
   //delay (15000); Uncomment for 15 seconds display on the screen 
    f9=0;                         // flag put back down
    value=0;
    }

  else {
    v9=0;                         // there is no one in the spot
    t9=0;                         // the tick count has stopped
    f9=2;                         //this means there is no one in the spot
  }

      //Sensor 10
if (val10 == HIGH){
    v10=1;
    t10+=1; // should be a start counting
    delay(1000);
    f10=1;    
  }
  else if (f10 == 1 ){              // when val1==LOW and the flag is up
      //if ofther spots are checking out we add the 15s delay of the message to 
   //if (f1 == 0 ||f2 == 0 || f3 == 0 || f4 == 0 || f5 == 0 || f6 == 0 || f7 == 0 || f8 == 0 || f9 == 0){
   //  t10+=15;
  // } 
   value = t10*2;                  // value is three didgits
   Serial.print(value);
    //prints out the amount due
   lcd.setCursor(0, 0);
   lcd.print("Your total cost");
   lcd.setCursor(0, 1);
   lcd.print(" is $ ");
   if (value < 10){
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(7, 1);
      lcd.print(" .00 P10");
    }
   else {
      lcd.setCursor(6, 1);
      lcd.print(value);
      lcd.setCursor(8, 1);
      lcd.print(".00 P10");
    }
   delay (15000);       
    f10=0;                         // flag put back down
    value=0;
    }

  else {
    v10=0;                         // there is no one in the spot
    t10=0;                         // the tick count has stopped
    f10=2;                         //this means there is no one in the spot
  }

// Printing the screen status of system <capacity
 //included 10 to artificially make parking lot full because there is no time to do that with theses motion sensors
  Cap = /*10;*/ v1 + v2 + v3 + v4 + v5 + v6 + v7 +v8 + v9 +v10;
  Ava = 10 - Cap;
  //Serial.print(val1);
  Serial.print(" <");
  Serial.print(Cap);                //show total capacity
  Serial.print(".");
  Serial.print(Ava);
  Serial.print(".");
  Serial.print(t1);
  Serial.print(".");
  Serial.print(t2);
  Serial.print(".");
  Serial.print(t3);
  Serial.print(".");
  Serial.print(t4);
  Serial.print(".");
  Serial.print(t5);
  Serial.print(".");
  Serial.print(t6);
  Serial.print(".");
  Serial.print(t7);
  Serial.print(".");
  Serial.print(t8);
  Serial.print(".");
  Serial.print(t9);
  Serial.print(".");
  Serial.print(t10);
  Serial.print("> ");

  if (Cap == 10){
    digitalWrite(ledred, HIGH);  // turn LED ON
    digitalWrite(ledgreen, LOW);  // turn LED ON
    lcd.setCursor(0, 0);
    lcd.print("    PARKING      ");
    lcd.setCursor(0, 1);
    lcd.print("      FULL       ");
    //delay (2000);
  }
  else {
      // LED becomes green
    digitalWrite(ledred, LOW);     
    digitalWrite(ledgreen, HIGH); 
    // screen show available parking
    lcd.setCursor(0, 0);           // print on line 1 powsition 0
    lcd.print("    PARKING      ");
      if (Ava < 10){                    // condition for printing one digit or two digits 
        lcd.setCursor(1, 1);           // print on line 2 powsition 0
        lcd.print(" ");
        lcd.setCursor(2,1);
        lcd.print(Ava);
        lcd.setCursor(3, 1);
        lcd.print(" Spots OPEN ");
      }
      else {
       lcd.setCursor(1, 1);
       lcd.print("10 Spots OPEN ");
      }
  }

}