using FirebaseAdmin.Messaging;
using eprintServer.Entities;

namespace eprintServer.Services;

public class FirebaseNotificationService
{
    public async Task<string> SendNotificationAsync(NotificationModel notification, string deviceToken)
    {
        // 1. Map your model data to the Firebase Message
        var message = new Message()
        {
            Token = deviceToken, // The unique ID of the user's phone/browser
            Notification = new Notification()
            {   
                Title = notification.Subject,
                Body = notification.Content
            },
            Data = notification.ToMap() 
        };
        try
        {
            // 2. Send the message
            string response = await FirebaseMessaging.DefaultInstance.SendAsync(message);
            return response; // Returns the message ID
        }
        catch (Exception ex)
        {
            // Handle errors (e.g., invalid token)
            return $"Error: {ex.Message}";
        }
    }
}