using System;
using System.Net;
using IWSConsoleSample.IWSServiceReference;

namespace IWSConsoleSample
{
    class GetInboundItemListSampleClass
    {
        public static void GetInboundItemListSample()
        {
            string username = "mbxXXXXXXXX";
            string password = "XXXX";

            ///////////////////////////////////////////////////////////
            ///OAuth 2.0 Authentication Start, 
            ///Comment this block out if you are using username and password authentication
            // Get an access token from Concord Identity Server

            string endPoint = "https://login.concord.net/v1/";
            string grantType = "password";
            string scope = "IWS";
            string IWSClientId = "ConcordIWSClient";
            string IWSClientSecret = "";

            AccessTokenRequest accessTokenRequest = null;
            AccessTokenResponse accessTokenResponse = null;
            TokenManager tokenManager = new TokenManager(endPoint);

            accessTokenRequest = new AccessTokenRequest(
                clientId: IWSClientId,
                clientSecret: IWSClientSecret,
                username: username,
                password: password,
                grantType: grantType,
                scope: scope,
                redirectUri: null,
                code: null,
                refreshToken: null,
                state: null);

            ///OAuth 2.0 Authentication End
            ///////////////////////////////////////////////////////////

            using (IWSAuthWrapper ws = new IWSAuthWrapper())
            {

                Authentication authentication = null;
                GetInboundItemListRequest request = null;
                GetInboundItemListResponse response = null;

                authentication = new Authentication();
                authentication.UserId = username;

                // Get an access token from Cache OR request one from the Identity Server
                accessTokenResponse = tokenManager.GetAccessToken(accessTokenRequest);

                if (accessTokenResponse == null)
                {
                    Console.WriteLine("Failed to get an AccessToken, returned null");

                    return;
                }

                // Check to see if we failed to get an Access token via a Refresh token that has expired or been revoked, if so we need to re-authenticate
                if (accessTokenResponse.HttpStatusCode == HttpStatusCode.BadRequest && accessTokenResponse.Error == "invalid_grant")
                {
                    Console.WriteLine("Refresh token expired, attempting to get a new Access Token");
                    accessTokenResponse = tokenManager.GetAccessToken(accessTokenRequest, ignoreCache: true);
                }

                if (accessTokenResponse.HttpStatusCode != HttpStatusCode.OK)
                {
                    Console.WriteLine("AccessToken not valid, Error Code: {0}, Error Description: {1}", accessTokenResponse.Error, accessTokenResponse.ErrorDescription);

                    return;
                }

                // User Name and Password authentication
                // authentication.Password = password;

                // OAuth 2.0 Authentication requires that you pass in an access token as part of the Authorization: header 
                // (No Password required)

                ws.AccessToken = accessTokenResponse.AccessToken;

                request = new GetInboundItemListRequest();
                request.MaxItems = 10;

                // Optional parameters that can be set. 
                // See GetInboundItemListRequst Object
                // for parameter details.

                // request.ArchivedItems;
                // request.Dnis;
                // request.StartDate;
                // request.EndDate;


                try
                {
                    response = ws.GetInboundItemList(authentication, request);

                    if (!response.Success)
                    {
                        bool requiresNewToken = false;

                        foreach (WSError error in response.Messages)
                        {
                            Console.WriteLine("Error retrieving fax document list. Error Code: {0} Error Description: {1}", error.ErrorCode, error.ErrorDescription);

                            if (error.ErrorCode == -486 && error.ErrorDescription == "Invalid access token") requiresNewToken = true;
                        }

                        // Check to see if response indicates access token has expired, if so attempt to Refresh or Get New OAuth access token and try method call again
                        if (requiresNewToken)
                        {
                            Console.WriteLine("AccessToken is not valid");

                            // Attempt to get a new access token or use a refresh token, if we fail we should stop
                            accessTokenResponse = tokenManager.GetAccessToken(accessTokenRequest);

                            if (accessTokenResponse == null)
                            {
                                Console.WriteLine("Failed to get an AccessToken, returned null");

                                return;
                            }

                            if (accessTokenResponse.HttpStatusCode != HttpStatusCode.OK)
                            {
                                Console.WriteLine("AccessToken not valid, Error Code: {0}, Error Description: {1}", accessTokenResponse.Error, accessTokenResponse.ErrorDescription);

                                return;
                            }
                        }

                        return;
                    }

                    if (response.InboundItemCount < 1)
                    {
                        Console.WriteLine("No faxes returned");

                        return;
                    }

                    Console.WriteLine("Number of faxes returned: " + response.InboundItemCount);

                    foreach (string inboundItemId in response.InboundItemIDs)
                    {
                        Console.WriteLine("InboundItemId: " + inboundItemId);
                    }

                    // The returned InboundItemId is then used to retrieve the message
                    // from the service using the GetInboundItemByID Method
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Exception: " + ex.Message);
                }

                Console.WriteLine("Finished retrieving inbound item list");
            }
        }
    }
}