/* https://github.com/ThingPulse/esp8266-oled-ssd1306 */
#include <SPI.h>
#include <Wire.h>
#include <SSD1306Wire.h>
#include "images.h"

#define SCREEN_ADDRESS 0x3C
#define OLED_SDA_PIN 4
#define OLED_SCL_PIN 15
#define OLED_RST 16
#define INTERDELAY 2000

SSD1306Wire display(SCREEN_ADDRESS, OLED_SDA_PIN, OLED_SCL_PIN);

void setup() {

  Serial.begin(115200);
  delay(100);
  Serial.println("Iniciando pantalla OLED");
  Serial.println(display.getStringWidth("¡¡¡FELIZ CUMPLE!!!"));
  // reset OLED (para placa Heltec)
  pinMode(OLED_RST, OUTPUT);
  digitalWrite(OLED_RST, LOW);
  delay(50);
  digitalWrite(OLED_RST, HIGH);

  display.init();
  //display.flipScreenVertically();
  display.setFont(ArialMT_Plain_10);
  display.flipScreenVertically();
  display.setTextAlignment(TEXT_ALIGN_CENTER);
  display.setColor(WHITE);

  display.drawString(64, 18, "Cargando...");
  for (int i = 0; i < 101; i++) {
    display.drawProgressBar(10, 40, 108, 10, i);
    display.display();
    delay(50);
  }
  display.clear();
  display.drawString(64, 20, "Porque eres la mejor");
  display.drawString(64, 32, "y cumples...");
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawXbm(0, 0, 128, 64, bitmap_tarta_50);
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawString(64, 28, "Te mereces un...");
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawXbm(32, 0, 64, 64, bitmap_beso);
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawString(64, 28, "Y muchos...");
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawXbm(32, 0, 64, 64, bitmap_regalo);
  display.display();
  delay(INTERDELAY);
  display.clear();
  display.drawStringMaxWidth(64, 5, 120, friki);
  display.display();
  delay(INTERDELAY * 3);
}

#define XMIN 56
#define XMAX 75
#define YMIN 0
#define YMAX 54
void loop() {
  // texto en scroll diagonal
  static int16_t x = 64, y = 32, x_dir = 1, y_dir = 1, inc = 1;
  display.clear();
  display.drawString(x, y, "¡¡¡FELIZ CUMPLE!!!");
  display.display();
  x = x + x_dir * inc;
  if (x >= XMAX) {
    x = XMAX;
    x_dir = -1;
  } else if (x <= XMIN) {
    x = XMIN;
    x_dir = 1;
  }
  y = y + y_dir * inc;
  if (y >= YMAX) {
    y = YMAX;
    y_dir = -1;
  } else if (y <= YMIN) {
    y = YMIN;
    y_dir = 1;
  }
  delay(50);

}