// Libary
#include <SPI.h>
#include <SPI.h>
#include <SD.h>
#include "Adafruit_HX8357.h"

// Define Pin numbers
#define TFT_CS 53
#define TFT_DC 48
#define TFT_RST 8 // RST can be set to -1 if you tie it to Arduino's reset
#define SD_CCS 42

// Colours
#define BLACK 0x0000
#define BLUE 0x001F
#define GREEN 0x07E0
#define RED 0xF800
#define WHITE 0xFFFF

// LCD variable
Adafruit_HX8357 display = Adafruit_HX8357(TFT_CS, TFT_DC);

bool graphDISPLAY = false; // Determins to display graph or menu
int MyGraph = 0; // Each selection of graphs

bool tempGraph = false; // Temprature Graph
bool humdGraph = false; // Humidity Graph
bool presGraph = false; // Pressure Graph
bool gasGraph = false; // Gas Resistance Graph
bool lighGraph = false; // Light Graph

void setup() {
  display.begin(HX8357D);
  display.fillScreen(BLACK); // Add colour in back ground
  display.setRotation(3);
}

void loop() {
  // put your main code here, to run repeatedly:

}
void LCDdisplay() {
  // If the Boolean 'graphDISPLAY' is true show a graph, else Display the menu
  if (graphDISPLAY) {
    double x, y; // For graph
    // If statment to determine which
    if (MyGraph == 0) { // For TEMPRATURE
      boolReset();
      tempGraph = true;

      for(x = 0; x <= 60; x++){
        y = bme.temprature; // 0 to 65 degrees C
        Graph(display, x, y, 50, 290, 390, 260, 0, 60, 1, 0, 65, 1, "Temprature Reading", " Time (s)", "Temperature (C)", BLUE, RED, GREEN, WHITE, BLACK, tempGraph)
      }
    }
    if (MyGraph == 1) { // For HUMIDITY vs TIME
      boolReset();
      humdGraph = true;
      
      for(x = 0; x <= 60; x++){
        y = bme.humidity; // 0 to 100 %
        Graph(display, x, y, 50, 290, 390, 260, 0, 60, 1, 0, 100, 1, "Humidity Reading", " Time (s)", "Humidity (%)", BLUE, RED, GREEN, WHITE, BLACK, humdGraph)
      }
    }
    if (MyGraph == 2) { // For PRESSURE vs TIME
      boolReset();
      presGraph = true;
      
      for(x = 0; x <= 60; x++){
        y = (bme.pressure); // 300 to 110,000 Pa
        Graph(display, x, y, 50, 290, 390, 260, 0, 60, 1, 0, 110000, 500, "Pressure Reading", " Time (s)", "Pressure (Pa)", BLUE, RED, GREEN, WHITE, BLACK, presGraph)
      }
    }
    if (MyGraph == 3) { // For GAS RESISTANCE vs TIME
      boolReset();
      gasGraph = true;
      
      for(x = 0; x <= 60; x++){
        y = (bme.gas_resistance); // 50 to 50,000 ohms
        Graph(display, x, y, 50, 290, 390, 260, 0, 60, 1, 0, 50000, 100, "Gas Resistance Reading", " Time (s)", "Gas Resistance (ohms)", BLUE, RED, GREEN, WHITE, BLACK, gasGraph)
      }
    }
    if (MyGraph == 4) { // For LIGHT vs TIME
      boolReset();
      lighGraph = true;
      
      for(x = 0; x <= 60; x++){
        y = lux; // 1 to 65535 lx
        Graph(display, x, y, 50, 290, 390, 260, 0, 60, 1, 0, 65535, 50, "Brightness Reading", " Time (s)", "Light (lx)", BLUE, RED, GREEN, WHITE, BLACK, lighGraph)
      }
    }
    if ((MyGraph < 0) || (MyGraph > 4)) { // For LIGHT vs TIME
      graphDISPLAY = false;
    }
  }
  else {
    // LCD DISPLAY MENU COMPONENTS
  }
}

void boolReset() {
  tempGraph = false;
  humdGraph = false;
  presGraph = false;
  gasGraph = false;
  lighGraph = false;
}