using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System.Net.Http.Headers;
using System.Text;

namespace BMA.EHR.Recruit.Services;

public class NotificationService
{
    private readonly IHttpClientFactory _httpClientFactory;
    private readonly ILogger<NotificationService> _logger;
    private readonly IConfiguration _configuration;

    private string NotifyEndpoint = "https://hrmsbkk.case-collection.com/api/v1/org/through-socket/notify-from-token";

    public NotificationService(IHttpClientFactory httpClientFactory, ILogger<NotificationService> logger, IConfiguration configuration)
    {
        _httpClientFactory = httpClientFactory;
        _logger = logger;
        _configuration = configuration;
        NotifyEndpoint = $"{_configuration["API"]}/org/through-socket/notify-from-token";
    }

    public async Task SendImportNotificationAsync(string? token, bool error, string message)
    {
        if (string.IsNullOrEmpty(token))
        {
            _logger.LogWarning("Cannot send import notification: token is null or empty.");
            return;
        }

        try
        {
            var client = _httpClientFactory.CreateClient("default");
            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token.Replace("Bearer ", ""));

            var payload = new
            {
                error,
                message
            };

            var json = JsonConvert.SerializeObject(payload);
            var content = new StringContent(json, Encoding.UTF8, "application/json");

            var response = await client.PostAsync(NotifyEndpoint, content);

            if (!response.IsSuccessStatusCode)
            {
                var responseBody = await response.Content.ReadAsStringAsync();
                _logger.LogWarning("Import notification failed with status {StatusCode}: {Body}", response.StatusCode, responseBody);
            }
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Failed to send import notification: {Message}", ex.Message);
        }
    }
}