curl -X GET "https://api.tktchurch.com/v1/events/123e4567-e89b-12d3-a456-426614174000/calendar.ics" \
  -H "Accept: text/calendar"

const downloadICSFile = async (eventId) => {
  const response = await fetch(
    `https://api.tktchurch.com/v1/events/${eventId}/calendar.ics`,
    {
      method: 'GET',
      headers: {
        'Accept': 'text/calendar'
      }
    }
  );

  if (!response.ok) {
    const error = await response.json();
    throw new Error(error.error.reason);
  }

  return response.text();
};

// Usage
try {
  const icsContent = await downloadICSFile('123e4567-e89b-12d3-a456-426614174000');
  console.log('ICS file content:', icsContent);
} catch (error) {
  console.error('Error:', error);
}

func downloadICSFile(eventId: UUID) async throws -> String {
    let urlRequest = URLRequest(url: URL(string: "https://api.tktchurch.com/v1/events/\(eventId)/calendar.ics")!)
    
    let (data, response) = try await URLSession.shared.data(for: urlRequest)
    guard let httpResponse = response as? HTTPURLResponse else {
        throw URLError(.badServerResponse)
    }
    
    if httpResponse.statusCode != 200 {
        throw URLError(.badServerResponse)
    }
    
    return String(data: data, encoding: .utf8) ?? ""
}

// Usage
do {
    let icsContent = try await downloadICSFile(
        eventId: UUID(uuidString: "123e4567-e89b-12d3-a456-426614174000")!
    )
    print("ICS file content:", icsContent)
} catch {
    print("Error:", error)
}

suspend fun downloadICSFile(eventId: String): String {
    val client = OkHttpClient()
    
    val request = Request.Builder()
        .url("https://api.tktchurch.com/v1/events/$eventId/calendar.ics")
        .get()
        .header("Accept", "text/calendar")
        .build()
    
    client.newCall(request).execute().use { response ->
        if (!response.isSuccessful) {
            val error = response.body?.string()?.fromJson<ErrorResponse>()
            throw Exception(error?.reason ?: "Failed to download ICS file")
        }
        
        return response.body?.string() ?: throw Exception("Empty response")
    }
}

// Usage
try {
    val icsContent = downloadICSFile("123e4567-e89b-12d3-a456-426614174000")
    println("ICS file content: $icsContent")
} catch (e: Exception) {
    println("Error: ${e.message}")
}

import axios from 'axios';

const downloadICSFile = async (eventId: string): Promise<string> => {
  try {
    const response = await axios.get(
      `https://api.tktchurch.com/v1/events/${eventId}/calendar.ics`,
      {
        headers: {
          'Accept': 'text/calendar'
        },
        responseType: 'text'
      }
    );
    return response.data;
  } catch (error) {
    if (axios.isAxiosError(error)) {
      throw new Error(error.response?.data?.error?.reason || 'Failed to download ICS file');
    }
    throw error;
  }
};

// Usage
try {
  const icsContent = await downloadICSFile('123e4567-e89b-12d3-a456-426614174000');
  console.log('ICS file content:', icsContent);
} catch (error) {
  console.error('Error:', error);
}

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//TKT Church//Event Calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:123e4567-e89b-12d3-a456-426614174000
DTSTAMP:20240101T000000Z
DTSTART:20240107T100000Z
DTEND:20240107T120000Z
SUMMARY:Sunday Worship Service
DESCRIPTION:Weekly Sunday worship service
LOCATION:Main Sanctuary, 123 Church Street, New York, NY, USA, 10001
STATUS:CONFIRMED
ORGANIZER;CN=TKT Church:mailto:[email protected]
RRULE:FREQ=WEEKLY;INTERVAL=1;BYDAY=SU
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Reminder
TRIGGER:-PT1440M
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Reminder
TRIGGER:-PT60M
END:VALARM
END:VEVENT
END:VCALENDAR

{
  "error": {
    "status": 404,
    "reason": "Event not found"
  }
}