using IAChat.MSGraph;
using Microsoft.Bot.Builder;
using Microsoft.Bot.Builder.Teams;
using Microsoft.Bot.Schema;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Web;

namespace IAChat.Bot;

public class ChatIABot : TeamsActivityHandler
{
    private readonly IHttpClientFactory clientFactory;
    private readonly TokenManager tokenManager;

    //public ChatIABot(IHttpClientFactory clientFactory, IConfigurationManager configuration)
    public ChatIABot(IServiceProvider serviceProvider)
    {
        this.clientFactory = serviceProvider.GetService<IHttpClientFactory>();
        this.tokenManager = serviceProvider.GetService<TokenManager>();
    }
    protected override async Task OnMessageActivityAsync(ITurnContext<IMessageActivity> turnContext, CancellationToken cancellationToken)
    {
        string messageText = turnContext.Activity.RemoveRecipientMention()?.Trim();
        var userId = turnContext.Activity.From.Id;
        var userName = turnContext.Activity.From.Name;
        var tenantId = turnContext.Activity.Conversation.TenantId;
        var aadObjectId = turnContext.Activity.From.AadObjectId;

        var token = await tokenManager.ObterToken(userId);
        var replyText = await GetMessage(token, messageText);
        await turnContext.SendActivityAsync(MessageFactory.Text(replyText), cancellationToken);
    }

    protected override async Task OnMembersAddedAsync(IList<ChannelAccount> membersAdded, ITurnContext<IConversationUpdateActivity> turnContext, CancellationToken cancellationToken)
    {
        var welcomeText = "Olá! Eu sou o Ian. Uma inteligência artificial interna da Domvs iT.\nSe perguntar algo sobre o conteúdo do SahePoint da Domvs, eu conseguirei responder.";
        foreach (var member in membersAdded)
        {
            if (member.Id != turnContext.Activity.Recipient.Id)
            {
                await turnContext.SendActivityAsync(MessageFactory.Text(welcomeText), cancellationToken);
            }
        }
    }

    private async Task<string> GetMessage(string jwt, string message)
    {
        var httpClient = this.clientFactory.CreateClient();
        var content = "";
        using (var requestMessage = new HttpRequestMessage(HttpMethod.Get, $"http://localhost:5020/Chat?Message={HttpUtility.UrlEncode(message)}"))
        {
            requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", jwt);

            var responseGet = await httpClient.SendAsync(requestMessage);
            content = responseGet.Content.ReadAsStringAsync().Result;
        }

        return content;
    }
}