using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using CommonAD.Models;
using System.Net.Http.Json;

namespace CommonAD
{
    public class WebAPIUtil
    {
        /// <summary>
        /// SearchStaff
        /// </summary>
        /// <param name="webAPIUri">"http://virtapp-mdb048/CommonAPI/api/AD/"</param>
        /// <param name="actionEntry"> "SearchStaff"</param>
        /// <param name="username"></param>
        /// <param name="error"></param>
        /// <returns></returns>
        public static MyADObject SearchStaff(string webAPIUri, string actionEntry, string username)
        {
            MyADObject result = null;
            if (!webAPIUri.EndsWith("/"))
                webAPIUri += "/";
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(webAPIUri);

                // We want the response to be JSON.
                //  client.DefaultRequestHeaders.Accept.Clear();
                // client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                // Build up the data to POST.
              //  List<KeyValuePair<string, string>> postData = new List<KeyValuePair<string, string>>();
               // postData.Add(new KeyValuePair<string, string>("StaffLinkNo", username));
                //  postData.Add(new KeyValuePair<string, string>("pass", password));
                //postData.Add(new KeyValuePair<string, string>("client_secret", clientSecret));

                //var form = new Dictionary<string, string>
                //{
                //    {"grant_type", "client_credentials"},

                //};
                //client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
                //client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(username + ":" + password)));

                // HttpContent content = new StringContent(json, Encoding.UTF8);

                //  actionEntry = webAPIUri + actionEntry;
              //  FormUrlEncodedContent content = new FormUrlEncodedContent(postData);
                //FormUrlEncodedContent content = new FormUrlEncodedContent(form);
                // Post to the Server and parse the response.
                //HttpResponseMessage response = await client.PostAsync("Token", content);
                //  string jsonString = await response.Content.ReadAsStringAsync();
                //HttpResponseMessage response = client.PostAsync(actionEntry, content).GetAwaiter().GetResult();
                actionEntry = actionEntry + "?StaffLinkNo=" + username;
                try
                {
                    var myado = client.GetFromJsonAsync<MyADObject>(actionEntry).GetAwaiter().GetResult();
                    if (myado != null)
                        result = myado;
                }
                catch(Exception ex)
                {
                    throw ex;
                }
            }

            return result;
        }
        /// <summary>
        /// SearchStaff Async version
        /// </summary>
        /// <param name="webAPIUri">"http://virtapp-mdb048/CommonAPI/api/AD/"</param>
        /// <param name="actionEntry"> "SearchStaff"</param>
        /// <param name="username"></param>
        /// <returns></returns>
        public static async Task<MyADObject> SearchStaffAsync(string webAPIUri, string actionEntry, string username)
        {
            MyADObject result = null;
            string error = "";
            if (!webAPIUri.EndsWith("/"))
                webAPIUri += "/";
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(webAPIUri);

                // We want the response to be JSON.
                //  client.DefaultRequestHeaders.Accept.Clear();
                // client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                // Build up the data to POST.
             //   List<KeyValuePair<string, string>> postData = new List<KeyValuePair<string, string>>();
             //   postData.Add(new KeyValuePair<string, string>("StaffLinkNo", username));
                //  postData.Add(new KeyValuePair<string, string>("pass", password));
                //postData.Add(new KeyValuePair<string, string>("client_secret", clientSecret));

                //var form = new Dictionary<string, string>
                //{
                //    {"grant_type", "client_credentials"},

                //};
                //client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
                //client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(username + ":" + password)));

                // HttpContent content = new StringContent(json, Encoding.UTF8);

                //  actionEntry = webAPIUri + actionEntry;
                //FormUrlEncodedContent content = new FormUrlEncodedContent(postData);
                //FormUrlEncodedContent content = new FormUrlEncodedContent(form);
                // Post to the Server and parse the response.
                //HttpResponseMessage response = await client.PostAsync("Token", content);
                //  string jsonString = await response.Content.ReadAsStringAsync();
                //HttpResponseMessage response = client.PostAsync(actionEntry, content).GetAwaiter().GetResult();
                actionEntry = actionEntry + "?StaffLinkNo=" + username;
                try
                {
                    result = await client.GetFromJsonAsync<MyADObject>(actionEntry);
                }
                catch (Exception ex)
                {
                    error = ex.ToString();
                    result = null;
                }
                
            }

            return result;
        }
        /// <summary>
        /// GetLoginAD webAPIUri "http://virtapp-mdb048/CommonAPI/api/AD/"; 
        /// </summary>
        /// <param name="webAPIUri"> "http://virtapp-mdb048/CommonAPI/api/AD/"</param>
        /// <param name="actionEntry">"CheckADCredentials"</param>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <param name="error"></param>
        /// <returns></returns>
        public static string GetLoginAD(string webAPIUri, string actionEntry, string username, string password, out string error)
        {
            string result = "";
            //   string tokenstr = "";
            if (!webAPIUri.EndsWith("/"))
                webAPIUri += "/";
            string mytoken = "";
            error = "";
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(webAPIUri);

                // We want the response to be JSON.
                //  client.DefaultRequestHeaders.Accept.Clear();
                // client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                // Build up the data to POST.
            //    List<KeyValuePair<string, string>> postData = new List<KeyValuePair<string, string>>();
             //   postData.Add(new KeyValuePair<string, string>("user", username));
             //   postData.Add(new KeyValuePair<string, string>("pass", password));
                //postData.Add(new KeyValuePair<string, string>("client_secret", clientSecret));

                //var form = new Dictionary<string, string>
                //{
                //    {"grant_type", "client_credentials"},

                //};
                //client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
                //client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(username + ":" + password)));

                // HttpContent content = new StringContent(json, Encoding.UTF8);

                //  actionEntry = webAPIUri + actionEntry;
              //  FormUrlEncodedContent content = new FormUrlEncodedContent(postData);
                //FormUrlEncodedContent content = new FormUrlEncodedContent(form);
                // Post to the Server and parse the response.
                //HttpResponseMessage response = await client.PostAsync("Token", content);
                //  string jsonString = await response.Content.ReadAsStringAsync();
                //HttpResponseMessage response = client.PostAsync(actionEntry, content).GetAwaiter().GetResult();
                actionEntry = actionEntry + "?user=" + username + "&pass=" + password;
                //client.GetFromJsonAsync<MyADObject>(actionEntry);

                HttpResponseMessage response = client.GetAsync(actionEntry).GetAwaiter().GetResult();
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    mytoken = (response.Content.ReadAsStringAsync().GetAwaiter().GetResult());


                    result = mytoken;

                }
                else
                {
                    result = response.ReasonPhrase.ToString();
                    error = result;
                    result = "";
                }
            }

            return result;
        }
        /// <summary>
        /// GetLoginAD Async version
        /// </summary>
        /// <param name="webAPIUri"> "http://virtapp-mdb048/CommonAPI/api/AD/"</param>
        /// <param name="actionEntry">"CheckADCredentials"</param>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public static async Task<MyADObject> GetLoginADAsync(string webAPIUri, string actionEntry, string username, string password)
        {
           MyADObject result = null;
            if (!webAPIUri.EndsWith("/"))
                webAPIUri += "/";
           string error = "";
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(webAPIUri);

                // We want the response to be JSON.
                //  client.DefaultRequestHeaders.Accept.Clear();
                // client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                // Build up the data to POST.
            //    List<KeyValuePair<string, string>> postData = new List<KeyValuePair<string, string>>();
             //   postData.Add(new KeyValuePair<string, string>("user", username));
            //    postData.Add(new KeyValuePair<string, string>("pass", password));
                //postData.Add(new KeyValuePair<string, string>("client_secret", clientSecret));

                //var form = new Dictionary<string, string>
                //{
                //    {"grant_type", "client_credentials"},

                //};
                //client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
                //client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(username + ":" + password)));

                // HttpContent content = new StringContent(json, Encoding.UTF8);

                //  actionEntry = webAPIUri + actionEntry;
            //    FormUrlEncodedContent content = new FormUrlEncodedContent(postData);
                //FormUrlEncodedContent content = new FormUrlEncodedContent(form);
                // Post to the Server and parse the response.
                //HttpResponseMessage response = await client.PostAsync("Token", content);
                //  string jsonString = await response.Content.ReadAsStringAsync();
                //HttpResponseMessage response = client.PostAsync(actionEntry, content).GetAwaiter().GetResult();
                actionEntry = actionEntry + "?user=" + username + "&pass=" + password;
                try
                {
                    result = await client.GetFromJsonAsync<MyADObject>(actionEntry);
                }
                catch (Exception ex)
                {
                    error = ex.ToString();
                    result = null;
                }
               
            }
            return result;
        }

        public static async Task<MyADObject> PostLoginADAsync(string webAPIUri, string actionEntry, string username, string password)
        {
            MyADObject result = null;
            if (!webAPIUri.EndsWith("/"))
                webAPIUri += "/";
            string error = "";
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri(webAPIUri + actionEntry);
               


                string json = "{\"userName\":\"" + username + "\", \"password\":\"" + password + "\"}";
                //var form = new Dictionary<string, string>
                //{
                //    {"grant_type", "client_credentials"},

                //};
                //client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
                //client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(System.Text.ASCIIEncoding.ASCII.GetBytes(username + ":" + password)));

                HttpContent content = new StringContent(json, Encoding.UTF8, "application/json");

                //  actionEntry = webAPIUri + actionEntry;
                //    FormUrlEncodedContent content = new FormUrlEncodedContent(postData);
                //FormUrlEncodedContent content = new FormUrlEncodedContent(form);
                // Post to the Server and parse the response.
                //HttpResponseMessage response = await client.PostAsync("Token", content);
                //  string jsonString = await response.Content.ReadAsStringAsync();
                //HttpResponseMessage response = client.PostAsync(actionEntry, content).GetAwaiter().GetResult();
               // actionEntry = actionEntry + "?user=" + username + "&pass=" + password;
                try
                {
                   var response = client.PostAsync("",content);                   
                   string myreturn = await response.Result.Content.ReadAsStringAsync();
                   result = System.Text.Json.JsonSerializer.Deserialize<MyADObject>(myreturn);
                }
                catch (Exception ex)
                {
                    error = ex.ToString();
                    result = null;
                }

            }
            return result;
        }
    }
}