#include <Adafruit_NeoPXL8.h>

#include <WiFi.h>

#include <WiFiClient.h>

#include <WiFiAP.h>

#define PIN_NEOPIXEL 38

// 와이파이의 ssid와 비밀번호 설정

Adafruit_NeoPixel pixels(38, PIN_NEOPIXEL);

const char *ssid = "";

const char *password = "";

WiFiServer server(80);

void setup() {

  Serial.begin(115200);

  Serial.println();

  Serial.println("Configuring access point...");

  WiFi.softAP(ssid, password);

  IPAddress myIP = WiFi.softAPIP();

  Serial.print("AP IP address: ");

  Serial.println(myIP);

  server.begin();

  Serial.println("Server started");

  pinMode(RGB_BUILTIN, OUTPUT); 

}

void loop() {

  WiFiClient client = server.available(); 

  if (client) {                           

    Serial.println("New Client.");        

    String currentLine = "";             

    while (client.connected()) {          

      if (client.available()) {           

        char c = client.read();          

        Serial.write(c);                  

        if (c == '\n') {                 

          // 현재 행이 비어 있는 경우, 두 개의 새 행 문자를 연속해서 입력

          // 클라이언트 HTTP 요청의 끝인 경우, 응답을 보냄

          if (currentLine.length() == 0) {

            // HTTP 헤더는 항상 응답 코드(예: HTTP/1.1 200 확인)로 시작함

            //고객이 무엇이 올지 알 수 있도록 컨텐츠 유형을 선택한 후 다음 빈 줄:

            client.println("HTTP/1.1 200 OK");

            client.println("Content-type:text/html");

            client.println();

            client.print("Click <a href="/H">here</a> to turn ON BUILTIN.<br>");

             client.print("Click <a href="/A">here</a> to turn ON BUILTIN effect.<br>");

            client.print("Click <a href="/L">here</a> to turn OFF BUILTIN.<br>");

            client.println();

            // break out of the while loop:

            break;

          } else {    

            currentLine = "";

          }

        } else if (c != '\r') {  

          currentLine += c;      

        }

        if (currentLine.endsWith("GET /H")) {

          neopixelWrite(RGB_BUILTIN,RGB_BRIGHTNESS,0,0);

  delay(1000);

  neopixelWrite(RGB_BUILTIN,RGB_BRIGHTNESS,205,18);

  delay(1000);        

  neopixelWrite(RGB_BUILTIN,RGB_BRIGHTNESS,RGB_BRIGHTNESS,90);

  delay(1000);        

  neopixelWrite(RGB_BUILTIN,81,152,0);

  delay(1000); 

 neopixelWrite(RGB_BUILTIN,0,0,RGB_BRIGHTNESS); // Blue

  delay(1000);

   neopixelWrite(RGB_BUILTIN,165,102,RGB_BRIGHTNESS); // Blue

  delay(1000);

   neopixelWrite(RGB_BUILTIN,126,RGB_BRIGHTNESS,RGB_BRIGHTNESS); // Blue

  delay(1000);

neopixelWrite(RGB_BUILTIN,RGB_BRIGHTNESS,90,RGB_BRIGHTNESS);

  delay(1000);  

          digitalWrite(RGB_BUILTIN, HIGH);   // Turn the RGB LED white

          }

if (currentLine.endsWith("GET /A")) {

          Serial.println("EFFECT");

          for (int i = 0; i < 255; i++) {

    pixels.setPixelColor(0, pixels.Color(i, 0, 255-i));

    delay(5);

    pixels.show();

  }

  for (int i = 0; i < 255; i++) {

    pixels.setPixelColor(0, pixels.Color(255-i, i, 0));

    delay(5);

    pixels.show();

  }

  for (int i = 0; i < 255; i++) {

    pixels.setPixelColor(0, pixels.Color(0, 255-i, i));

    delay(5);

    pixels.show();

  }

   } 

        if (currentLine.endsWith("GET /L")) {

          Serial.println("RGB LOW");

        neopixelWrite(RGB_BUILTIN,0,0,0); }

      }

    }

    client.stop();

    Serial.println("Client Disconnected.");

  }

}