#include <WiFi.h>
#include <WebServer.h>
#include <ESP32Servo.h>

#define SSID "Kuriyama-DIY-G"
#define PASS "kuriyama"
#define LED_PIN 13

Servo myservo;

int minUs = 500;
int maxUs = 2400;

WebServer server(80);

void setup(){
  Serial.begin(9600);
  myservo.setPeriodHertz(50);
  myservo.attach(23, minUs, maxUs);
  pinMode(LED_PIN, OUTPUT);
  connectWiFi();
  server.on("/", handleRoot);
  server.on("/nothing", nothing);
  server.on("/charcol", charcol);
  server.on("/notcharcol", notcharcol);
  server.on("/plastic", plastic);
  server.on("/battery", battery);
  server.begin();
  Serial.println("HTTP server started");
}

void loop() {
  server.handleClient();
}

void connectWiFi(){
  WiFi.begin(SSID, PASS);
  Serial.println();
  while(WiFi.status() != WL_CONNECTED){
  delay(500);
  Serial.print(".");
}
  Serial.println();
  Serial.println("WiFi connected");
  Serial.println(WiFi.localIP());
}

void handleRoot(){
  server.send(200, "text/plain", "Hello");
}

void nothing(){
  Serial.println("nothing");
  myservo.write(0);
  server.send(200, "text/plain", "nothing");
}

void charcol(){
  Serial.println("charcol");
  myservo.write(60);
  server.send(200, "text/plain", "charcol");
}

void notcharcol(){
  Serial.println("notcharcol");
  myservo.write(120);
  server.send(200, "text/plain", "notcharcol");
} 

void plastic(){
  Serial.println("plastic");
  myservo.write(180);
  server.send(200, "text/plain", "plastic");
} 

void battery(){
  Serial.println("battery");
  digitalWrite(LED_PIN, HIGH);
  delay(500);
  digitalWrite(LED_PIN, LOW);
  delay(500);
  server.send(200, "text/plain", "battery");
}