#include <WiFi.h>
#include <SD.h>
#include <HTTPClient.h>
#include <Audio.h>
#include <time.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* serverUrl = "https://download.samplelib.com/mp3/sample-6s.mp3"; // URL of the music file
const int chipSelect = 5; // Chip select pin for SD card

void connectToWiFi() {
  Serial.println("Connecting to WiFi...");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting...");
  }
  Serial.println("Connected to WiFi!");
}

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

  // Initialize SD card
  if (!SD.begin(chipSelect)) {
    Serial.println("SD card initialization failed!");
    return;
  }
  Serial.println("SD card initialized.");

  // Fetch current time from NTP server
  configTime(0, 0, "pool.ntp.org");
  while (!time(nullptr)) {
    delay(1000);
    Serial.println("Waiting for time sync...");
  }
  Serial.println("Time synced.");

  // Schedule music playback at a specific time
  struct tm tm;
  tm.tm_hour = 10; // Example: 8 AM
  tm.tm_min = 0;
  tm.tm_sec = 0;
  tm.tm_year = 0;
  tm.tm_mon = 0;
  tm.tm_mday = 0;
  time_t scheduledTime = mktime(&tm);

  // Calculate time until scheduled playback
  time_t currentTime = time(nullptr);
  long delayTime = difftime(scheduledTime, currentTime);
  if (delayTime < 0) {
    // If scheduled time has already passed, add one day
    delayTime += 86400;
  }

  // Delay until scheduled time
  Serial.print("Waiting until scheduled time...");
  delay(delayTime * 1000);
  Serial.println("Time to play music!");

  // Download music file
  HTTPClient http;
  http.begin(serverUrl);
  int httpCode = http.GET();
  if (httpCode > 0) {
    File musicFile = SD.open("/music.mp3", FILE_WRITE);
    if (musicFile) {
      WiFiClient * stream = http.getStreamPtr();
      while (stream->available()) {
        musicFile.write(stream->read());
      }
      musicFile.close();
      Serial.println("Music downloaded and saved to SD card.");
    }
  } else {
    Serial.println("Failed to download music file.");
  }
  http.end();

  // Play music
  Audio.begin(0);
  Audio.setVolume(0.5);
  Audio.connecttoFS("/music.mp3");
  Audio.loop();
}

void loop() {
  // Nothing to do here since music is played in setup
}