using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

using Fab2ApprovalSystem.Models;

using Newtonsoft.Json;

namespace Fab2ApprovalSystem.DMO;

public class AccountDMO {

    public static async Task<LoginResult> LoginAsync(HttpClient httpClient, LoginModel loginModel) {
        LoginResult result;

        HttpRequestMessage request = new(HttpMethod.Post, "auth/login");

        AuthAttempt authAttempt = loginModel is null ? null : new AuthAttempt() {
            LoginID = loginModel.LoginID,
            Password = loginModel.Password
        };

        string json = authAttempt is null ? "{}" : JsonConvert.SerializeObject(authAttempt);

        request.Content = new StringContent(json, Encoding.UTF8, "application/json");

        HttpResponseMessage httpResponseMessage = await httpClient.SendAsync(request);

        if (!httpResponseMessage.IsSuccessStatusCode)
            throw new Exception($"The authentication API failed, because {httpResponseMessage.ReasonPhrase}");

        string responseContent = await httpResponseMessage.Content.ReadAsStringAsync();

        result = JsonConvert.DeserializeObject<LoginResult>(responseContent);
        return result;
    }

    public static async Task<LoginResult> ExternalAuthSetupAsync(HttpClient httpClient, AuthAttempt authAttempt) {
        LoginResult result;

        HttpRequestMessage request = new(HttpMethod.Post, "auth/refresh");

        string json = authAttempt is null ? "{}" : JsonConvert.SerializeObject(authAttempt);

        request.Content = new StringContent(json, Encoding.UTF8, "application/json");

        HttpResponseMessage httpResponseMessage = await httpClient.SendAsync(request);

        if (!httpResponseMessage.IsSuccessStatusCode)
            throw new Exception($"The authentication API failed, because {httpResponseMessage.ReasonPhrase}");

        string responseContent = await httpResponseMessage.Content.ReadAsStringAsync();

        result = JsonConvert.DeserializeObject<LoginResult>(responseContent);
        return result;
    }

}