#include <Adafruit_GFX.h>    // Core graphics library
#include <MCUFRIEND_kbv.h>   // Hardware-specific library
MCUFRIEND_kbv tft;
#include <stdint.h>
#include "TouchScreen.h"
#include "bitmap_RGB.h"

#include <Fonts/FreeSans9pt7b.h>
#include <Fonts/FreeSans12pt7b.h>

#define YP A2
#define XM A3
#define YM 8
#define XP 9
#define LCD_CS A3
#define LCD_CD A2
#define LCD_WR A1
#define LCD_RD A0

#define LCD_RESET A4
#define	BLACK   0x0000
#define	BLUE    0x001F
#define	RED     0xF800
#define	GREEN   0x07E0
#define CYAN    0x07FF
#define MAGENTA 0xF81F
#define YELLOW  0xFFE0
#define WHITE   0xFFFF

TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
bool click = false;
float timeSinceClick = 0;
int currentScreen = -1;

void setup(void) {
  Serial.begin(9600);
  resetScreen();
}

void resetScreen(){
  tft.reset();
  tft.begin(0x9341);
  tft.setRotation(3);
  tft.fillScreen(BLACK);
}

void loop(void) {
  checkClick();
  delay(50);
  if(click){
    timeSinceClick += 50;
    if(timeSinceClick > 5000){
      click = false;
      timeSinceClick = 0;
      drawMessage();
    }
  } else if(currentScreen != 0){
    drawMessage();
  }
}

void checkClick(void) {
  TSPoint p = ts.getPoint();
  pinMode(YP, OUTPUT);  //restore the TFT control pins
  pinMode(XM, OUTPUT);
  if (p.z >= 0.01) {
    if(click){
      sendMessage();
    } else{
      if(currentScreen != 1) clicked();
      click = true;
    }
  }
}

void clicked(void){
  //resetScreen();
  Serial.println("Yeah");
  currentScreen = 1;
  tft.fillScreen(BLACK);
  tft.drawRGBBitmap(128, 88, heart, 64, 64);
}

void sendMessage(void){
  tft.fillScreen(BLACK);
  currentScreen = 2;
  click = false;
  timeSinceClick = 0;
  tft.setFont(&FreeSans9pt7b);
  tft.setCursor(120, 120);
  tft.setTextColor(WHITE);
  tft.setTextSize(1);
  tft.print("Sending...");
  delay(3000);
  drawMessage();
}

void drawMessage(void){
  currentScreen = 0;
  tft.fillScreen(BLACK);
  tft.setFont(&FreeSans12pt7b);
  tft.setCursor(100, 30);
  tft.setTextColor(CYAN);
  tft.setTextSize(1);
  tft.print("Hej Julia :)");
  tft.setFont(&FreeSans9pt7b);
  tft.setCursor(0, 80);
  tft.setTextColor(WHITE);
  tft.setTextSize(1);
  tft.print("\"This graveyard looks overcrowded. People must be dying to get in there.\"");
  tft.drawRGBBitmap(128, 140, heart, 64, 64);
}