#include <GxEPD2_BW.h>
#include <Adafruit_GFX.h>

#include <Fonts/FreeSerifBold12pt7b.h>
#include <Fonts/FreeMonoBold9pt7b.h>

// --- Shared SPI pins ---
// GPIO6 -> DIN (MOSI)
// GPIO4 -> CLK (SCK)

// --- 2.9" E-Paper Connections ---
// 3V3 -> VCC
// GND -> GND
// GPIO7 -> CS
// GPIO5 -> DC
// GPIO8 -> RST
// GPIO9 -> BUSY

// --- 2.13" E-Paper Connections ---
// 3V3 -> VCC
// GND -> GND
// GPIO10 -> CS
// GPIO11 -> DC
// GPIO12 -> RST
// GPIO13 -> BUSY

// Define both displays
GxEPD2_BW<GxEPD2_290, GxEPD2_290::HEIGHT> display29(
  GxEPD2_290(/*CS=*/7, /*DC=*/5, /*RST=*/8, /*BUSY=*/9)
);

GxEPD2_BW<GxEPD2_213_B73, GxEPD2_213_B73::HEIGHT> display213(
  GxEPD2_213_B73(/*CS=*/10, /*DC=*/11, /*RST=*/12, /*BUSY=*/13)
);

// Quotes array
const char* quotes[] = {
  "Stay curious.",
  "Small steps, big dreams.",
  "Light tomorrow with today.",
  "Simplicity is sophistication.",
  "Begin anywhere."
};
const int numQuotes = sizeof(quotes) / sizeof(quotes[0]);

void setup() {
  static int bootCount = 0;
  bootCount++;
  int quoteIndex = bootCount % numQuotes;

  // Init both displays
  display29.init();
  display213.init();

  // --- 2.9" Display ---
  display29.setRotation(1);
  display29.setFont(&FreeSerifBold12pt7b);
  display29.setTextColor(GxEPD_BLACK);
  display29.firstPage();
  do {
    display29.fillScreen(GxEPD_WHITE);
    display29.setCursor(20, 70);
    display29.print(quotes[quoteIndex]);
  } while (display29.nextPage());

  // --- 2.13" Display ---
  display213.setRotation(0);
  display213.setFont(&FreeMonoBold9pt7b);
  display213.setTextColor(GxEPD_BLACK);
  display213.firstPage();
  do {
    display213.fillScreen(GxEPD_WHITE);
    display213.setCursor(10, 20);
    display213.print("TODAY");
    display213.setCursor(10, 50);
    display213.print("[x] Buy Groceries");
    display213.setCursor(10, 70);
    display213.print("[ ] Call John");
  } while (display213.nextPage());
}

void loop() {}