using System.Net.Http.Json;
using Microsoft.Extensions.Logging;
using Volo.Abp.Settings;

namespace Erp.Sender.Rocket;

public interface IRocketHttpClient
{
    Task<RocketSendResultDto> SendMessageAsync(string Username, string Message);
}

public sealed class RocketHttpClient : IRocketHttpClient, IDisposable
{
    private readonly HttpClient httpClient;
    private readonly ILogger<RocketHttpClient> logger;
    private readonly ISettingProvider settingProvider;

    public RocketHttpClient(
        HttpClient httpClient,
        ILogger<RocketHttpClient> logger,
        ISettingProvider settingProvider)
    {
        this.httpClient = httpClient;
        this.logger = logger;
        this.settingProvider = settingProvider;
    }

    public async Task<RocketSendResultDto> SendMessageAsync(string Username, string Message)
    {
        var url = await settingProvider.GetOrNullAsync(RocketSettingNames.Url);
        var userId = await settingProvider.GetOrNullAsync(RocketSettingNames.UserId);
        var token = await settingProvider.GetOrNullAsync(RocketSettingNames.Token);

        var request = new HttpRequestMessage(HttpMethod.Post, $"{url}/chat.postMessage");
        request.Headers.Add("X-Auth-Token", token);
        request.Headers.Add("X-User-Id", userId);
        request.Content = JsonContent.Create(new RocketChatPostMessageInput
        {
            Channel = $"@{Username}",
            Text = Message
        });

        var response = await httpClient.SendAsync(request);
        response.EnsureSuccessStatusCode(); // Hata durumunda istisna atar.
        return await response.Content.ReadFromJsonAsync<RocketSendResultDto>();
    }

    public void Dispose() => httpClient?.Dispose();
}