#include <WiFi.h>
#include <PubSubClient.h>
#define led 2
#define sw 25
#define sw1 26
#define r 5
#define g 19
#define b 18
int pos = 33;
int swb = 0;
int s1b = 0;
int c = 0;
int c1 = 0;
int x = 0;
int y = 0;
int xb = 0;
int yb = 0;
String pesan = "";
const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "broker.emqx.io";
WiFiClient espClient;
PubSubClient client(espClient);
void setup_wifi() {
  delay(10);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  randomSeed(micros());
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);
  }
  if ((char)payload[14] == 't') {
    digitalWrite(led, LOW);
    pos = 32;
  }
  else {
    digitalWrite(led, HIGH);
    pos = 33;
  }
  switch ((char)payload[pos]) {
    case '0':
      ledcWrite(0, 0);
      ledcWrite(1, 0);
      ledcWrite(2, 0);
      break;
    case '1':
      ledcWrite(0, 165);
      ledcWrite(1, 42);
      ledcWrite(2, 42);
      break;
    case '2':
      ledcWrite(0, 255);
      ledcWrite(1, 0);
      ledcWrite(2, 0);
      break;
    case '3':
      ledcWrite(0, 255);
      ledcWrite(1, 165);
      ledcWrite(2, 0);
      break;
    case '4':
      ledcWrite(0, 255);
      ledcWrite(1, 255);
      ledcWrite(2, 0);
      break;
    case '5':
      ledcWrite(0, 0);
      ledcWrite(1, 128);
      ledcWrite(2, 0);
      break;
    case '6':
      ledcWrite(0, 0);
      ledcWrite(1, 0);
      ledcWrite(2, 255);
      break;
    case '7':
      ledcWrite(0, 160);
      ledcWrite(1, 32);
      ledcWrite(2, 240);
      break;
    case '8':
      ledcWrite(0, 128);
      ledcWrite(1, 128);
      ledcWrite(2, 128);
      break;
    case '9':
      ledcWrite(0, 255);
      ledcWrite(1, 255);
      ledcWrite(2, 255);
      break;
  }
}
void reconnect() {
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    String clientId = "ESP32Client-";
    clientId += String(random(0xffff), HEX);
    if (client.connect(clientId.c_str())) {
      Serial.println("connected");
      client.subscribe("ebpro_wokwi/led");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      delay(5000);
    }
  }
}
void setup() {
  pinMode(sw, INPUT_PULLUP);
  pinMode(sw1, INPUT_PULLUP);
  pinMode(led, OUTPUT);
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);
  ledcSetup(0, 5000, 8);
  ledcSetup(1, 5000, 8);
  ledcSetup(2, 5000, 8);
  ledcAttachPin(r, 0);
  ledcAttachPin(g, 1);
  ledcAttachPin(b, 2);
}
void loop() {
  if (!client.connected()) {
    reconnect();
  }
  client.loop();
  int swa = !digitalRead(sw);
  if (swa != swb) {
    Serial.print("Publish message: ");
    if (swa) {
      Serial.println("{\"sw\":true}");
      client.publish("wokwi_ebpro/sw", "{\"sw\":true}");
    } else {
      Serial.println("{\"sw\":false}");
      client.publish("wokwi_ebpro/sw", "{\"sw\":false}");
    }
  }
  swb = swa;
  int a1 = analogRead(34);
  switch (a1) {
    case 0:
      x = 2;
      break;
    case 2048:
      x = 0;
      break;
    case 4095:
      x = 1;
      break;
  }
  int a2 = analogRead(35);
  switch (a2) {
    case 0:
      y = 2;
      break;
    case 2048:
      y = 0;
      break;
    case 4095:
      y = 1;
      break;
  }
  int s1 = !digitalRead(sw1);
  if (s1 != s1b && s1) c++;
  s1b = s1;
  if (c > 9) c = 0;
  if (x != xb || y != yb || c != c1) {
    pesan = "{\"x\":" + String(x) + ",\"y\":" + String(y);
    pesan = pesan + ",\"s\":" + String(c) + "}";
    Serial.print("Publish message: ");
    Serial.println(pesan);
    client.publish("wokwi_ebpro/joy", pesan.c_str());
  }
  xb = x;
  yb = y;
  c1 = c;
}