#include <ESP8266WiFi.h>

const char* ssid     = "CTDO-g";
const char* password = "ctdo2342";
const char* host = "rpi3.raum.ctdo.de";
const int httpPort = 6600;
const int buttonPin = 5;
int buttonState;
bool previousState;
int previousMillis;
int currentMillis;

void setup() {
  Serial.begin(115200);
  delay(10);
  pinMode(buttonPin, INPUT);

  Serial.print("Connecting to ");
  Serial.println(ssid);
  
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());  
}

void loop() {
  currentMillis = millis();
  buttonState = digitalRead(buttonPin);
  
  if (currentMillis - previousMillis > 500) {   
     if (buttonState == HIGH && previousState == false) {
      mpdbass(true);
      previousState = true;
    } else if (buttonState == LOW && previousState == true) {
      mpdbass(false);
      previousState = false;
    } 
  }
}

void mpdbass(bool start) {
  WiFiClient client;
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    return;
  }
  
  unsigned long timeout = millis();
  while (client.available() == 0) {
    if (millis() - timeout > 5000) {
      Serial.println(">>> Client Timeout !");
      client.stop();
      return;
    }
  }
  
  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  
  if (start == true){
    Serial.println("Play");
    client.println("addid \"users/lucas/Alben/Function/Incubation/01 Voiceprint.flac\" 0");
    client.println("play 0");
  } else if (start == false) {
    Serial.println("Remove");
    client.println("delete 0");
  }

  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
}