#include "esp_camera.h"
#include <WiFi.h>

// MOD
// WARNING!!! Make sure that you have either selected ESP32 Wrover Module,
//            or another board which has PSRAM enabled
//

// Select camera model
//#define CAMERA_MODEL_WROVER_KIT
//#define CAMERA_MODEL_ESP_EYE
//#define CAMERA_MODEL_M5STACK_PSRAM
//#define CAMERA_MODEL_M5STACK_WIDE
#define CAMERA_MODEL_AI_THINKER

#include "camera_pins.h"

const char* ssid = "NetworkName";
const char* password = "MyPassword";

uint8_t dis_count = 0;

void startCameraServer();

void setup() {
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println();

  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;
  //init with high specs to pre-allocate larger buffers
  if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
  }

#if defined(CAMERA_MODEL_ESP_EYE)
  pinMode(13, INPUT_PULLUP);
  pinMode(14, INPUT_PULLUP);
#endif

  // camera init
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x", err);
    return;
  }

  sensor_t * s = esp_camera_sensor_get();
  //initial sensors are flipped vertically and colors are a bit saturated
  s->set_vflip(s, 1);//flip it back
  s->set_hmirror(s, 1);

  //drop down frame size for higher initial frame rate
  s->set_framesize(s, FRAMESIZE_XGA);


//umcomment for static IP
//  IPAddress ip(192, 168, 4, 210);
//  IPAddress gateway(192, 168, 4, 1);
//  IPAddress subnet(255, 255, 255, 0);
//  IPAddress dnsAdrr(8, 8, 8, 8);
//  Serial.println(F("Wifi config..."));
//  WiFi.config(ip, gateway, subnet, dnsAdrr);

//Comment out for static IP
  WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE); // helps set host name
  
  WiFi.setHostname("ESP32C_STREET");
  
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
    dis_count++;
    if(dis_count>60)
    {
      Serial.println();
      Serial.println("Restarting ESP");
      delay(1000);
      ESP.restart();
    }
  }
  
  Serial.println("");
  Serial.println("WiFi connected");

  startCameraServer();

  Serial.print("Camera Ready! Use 'http://");
  Serial.print(WiFi.localIP());
  Serial.println("' to connect");
}

void loop() {
  //Reboot ESP32 if Wi-fi connection is lost (fixes some issues)
  delay(1000);
  if(WiFi.status() != WL_CONNECTED)
  {
    dis_count++;
    Serial.println("Not Connected to Wi-Fi | " + String(dis_count));
  }
  else
  {
    dis_count=0;
  }

  if(dis_count>60)
  {
    Serial.println("Restarting ESP");
    delay(1000);
    ESP.restart();
  }
}