// Jacob -> Lights -> Trash
// NodeMCU 12E
// Vije Miller

#include 
#include 

// Static IP
IPAddress ip(192, 168, 0, 47);
IPAddress gateway(192, 168, 0, 1);
IPAddress dns(192, 168, 0, 1);
IPAddress subnet(255, 255, 255, 0);

const char* ssid = "ssid";
const char* pass = "password";

WiFiServer server(80);

// Trash
Servo trash;
int pos = 80;
int up_lid = 145;
int down_lid = 80;
int bin_delay = 20;

// Lights
int relay = D8;
int state = 0;
int led = D0;

void setup() {
  Serial.begin(115200);

  pinMode(led, OUTPUT);
  pinMode(relay, OUTPUT);

  trash.attach(D5);
  trash.write(90);

  digitalWrite(led, LOW);
  digitalWrite(relay, LOW);

  wifi_connect();
}

void loop() {

  // Check
  WiFiClient client = server.available();
  if (!client) {
    return;
  }
  // Wait
  while (!client.available()) {
    delay(1);
  }
  // Read
  String query = client.readStringUntil('\r');
  client.flush();

  if (query.indexOf("/light") != -1) {
    if (state == 0) { // off
      up();
    } else if (state == 1) { // on
      down();
    }
  } else if (query.indexOf("/trash") != -1) {
    trash_open();
  }
  
  // Browsers prefer content to read other wise they loop.
  // Voice program attack ip+/light or ip+/trash
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");
  client.println("");
  client.println("");
  client.println("");
  client.println(" Light ");
  client.println(" Trash ");
  client.println("");

  delay(1);
  Serial.println("Client disonnected");
}

// Light Switch On
void up() {
  digitalWrite(led, HIGH);
  digitalWrite(relay, HIGH);
  state = 1;
}

// Light Switch Off
void down() {
  digitalWrite(led, LOW);
  digitalWrite(relay, LOW);
  state = 0;
}

// Trash Open + Close
void trash_open() {
  for (pos = down_lid; pos <= up_lid; pos += 1) {
    trash.write(pos);
    delay(bin_delay);
  }
  delay(3000);
  for (pos = up_lid; pos >= down_lid; pos -= 1) {
    trash.write(pos);
    delay(bin_delay);
  }
}

// Wifi Dating App
void wifi_connect() {
  Serial.println(ssid);
  WiFi.config(ip, gateway, subnet, dns);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected");
  server.begin();
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.println("/");
}