// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for
// license information.
// 
// Code generated by Microsoft (R) AutoRest Code Generator 0.16.0.0
// Changes may cause incorrect behavior and will be lost if the code is
// regenerated.

namespace Microsoft.Azure.Management.DevTestLabs
{
    using System;
    using System.Linq;
    using System.Collections.Generic;
    using System.Net;
    using System.Net.Http;
    using System.Net.Http.Headers;
    using System.Text;
    using System.Text.RegularExpressions;
    using System.Threading;
    using System.Threading.Tasks;
    using Microsoft.Rest;
    using Microsoft.Rest.Serialization;
    using Newtonsoft.Json;
    using Microsoft.Rest.Azure;
    using Models;

    /// <summary>
    /// PolicySetsOperations operations.
    /// </summary>
    internal partial class PolicySetsOperations : IServiceOperations<DevTestLabsClient>, IPolicySetsOperations
    {
        /// <summary>
        /// Initializes a new instance of the PolicySetsOperations class.
        /// </summary>
        /// <param name='client'>
        /// Reference to the service client.
        /// </param>
        internal PolicySetsOperations(DevTestLabsClient client)
        {
            if (client == null) 
            {
                throw new ArgumentNullException("client");
            }
            this.Client = client;
        }

        /// <summary>
        /// Gets a reference to the DevTestLabsClient
        /// </summary>
        public DevTestLabsClient Client { get; private set; }

        /// <summary>
        /// Evaluates lab policy.
        /// </summary>
        /// <param name='labName'>
        /// The name of the lab.
        /// </param>
        /// <param name='name'>
        /// The name of the policy set.
        /// </param>
        /// <param name='evaluatePoliciesRequest'>
        /// Request body for evaluating a policy set.
        /// </param>
        /// <param name='customHeaders'>
        /// Headers that will be added to request.
        /// </param>
        /// <param name='cancellationToken'>
        /// The cancellation token.
        /// </param>
        /// <return>
        /// A response object containing the response body and response headers.
        /// </return>
        public async Task<AzureOperationResponse<EvaluatePoliciesResponse>> EvaluatePoliciesWithHttpMessagesAsync(string labName, string name, EvaluatePoliciesRequest evaluatePoliciesRequest, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
        {
            if (this.Client.SubscriptionId == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
            }
            if (this.Client.ResourceGroupName == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.ResourceGroupName");
            }
            if (labName == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "labName");
            }
            if (name == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "name");
            }
            if (evaluatePoliciesRequest == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "evaluatePoliciesRequest");
            }
            if (this.Client.ApiVersion == null)
            {
                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.ApiVersion");
            }
            // Tracing
            bool _shouldTrace = ServiceClientTracing.IsEnabled;
            string _invocationId = null;
            if (_shouldTrace)
            {
                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
                tracingParameters.Add("labName", labName);
                tracingParameters.Add("name", name);
                tracingParameters.Add("evaluatePoliciesRequest", evaluatePoliciesRequest);
                tracingParameters.Add("cancellationToken", cancellationToken);
                ServiceClientTracing.Enter(_invocationId, this, "EvaluatePolicies", tracingParameters);
            }
            // Construct URL
            var _baseUrl = this.Client.BaseUri.AbsoluteUri;
            var _url = new Uri(new Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DevTestLab/labs/{labName}/policysets/{name}/evaluatePolicies").ToString();
            _url = _url.Replace("{subscriptionId}", Uri.EscapeDataString(this.Client.SubscriptionId));
            _url = _url.Replace("{resourceGroupName}", Uri.EscapeDataString(this.Client.ResourceGroupName));
            _url = _url.Replace("{labName}", Uri.EscapeDataString(labName));
            _url = _url.Replace("{name}", Uri.EscapeDataString(name));
            List<string> _queryParameters = new List<string>();
            if (this.Client.ApiVersion != null)
            {
                _queryParameters.Add(string.Format("api-version={0}", Uri.EscapeDataString(this.Client.ApiVersion)));
            }
            if (_queryParameters.Count > 0)
            {
                _url += "?" + string.Join("&", _queryParameters);
            }
            // Create HTTP transport objects
            HttpRequestMessage _httpRequest = new HttpRequestMessage();
            HttpResponseMessage _httpResponse = null;
            _httpRequest.Method = new HttpMethod("POST");
            _httpRequest.RequestUri = new Uri(_url);
            // Set Headers
            if (this.Client.GenerateClientRequestId != null && this.Client.GenerateClientRequestId.Value)
            {
                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", Guid.NewGuid().ToString());
            }
            if (this.Client.AcceptLanguage != null)
            {
                if (_httpRequest.Headers.Contains("accept-language"))
                {
                    _httpRequest.Headers.Remove("accept-language");
                }
                _httpRequest.Headers.TryAddWithoutValidation("accept-language", this.Client.AcceptLanguage);
            }
            if (customHeaders != null)
            {
                foreach(var _header in customHeaders)
                {
                    if (_httpRequest.Headers.Contains(_header.Key))
                    {
                        _httpRequest.Headers.Remove(_header.Key);
                    }
                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
                }
            }

            // Serialize Request
            string _requestContent = null;
            if(evaluatePoliciesRequest != null)
            {
                _requestContent = SafeJsonConvert.SerializeObject(evaluatePoliciesRequest, this.Client.SerializationSettings);
                _httpRequest.Content = new StringContent(_requestContent, Encoding.UTF8);
                _httpRequest.Content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
            }
            // Set Credentials
            if (this.Client.Credentials != null)
            {
                cancellationToken.ThrowIfCancellationRequested();
                await this.Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
            }
            // Send Request
            if (_shouldTrace)
            {
                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
            }
            cancellationToken.ThrowIfCancellationRequested();
            _httpResponse = await this.Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
            if (_shouldTrace)
            {
                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
            }
            HttpStatusCode _statusCode = _httpResponse.StatusCode;
            cancellationToken.ThrowIfCancellationRequested();
            string _responseContent = null;
            if ((int)_statusCode != 200)
            {
                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                try
                {
                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
                    CloudError _errorBody = SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, this.Client.DeserializationSettings);
                    if (_errorBody != null)
                    {
                        ex = new CloudException(_errorBody.Message);
                        ex.Body = _errorBody;
                    }
                }
                catch (JsonException)
                {
                    // Ignore the exception
                }
                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
                if (_httpResponse.Headers.Contains("x-ms-request-id"))
                {
                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
                }
                if (_shouldTrace)
                {
                    ServiceClientTracing.Error(_invocationId, ex);
                }
                _httpRequest.Dispose();
                if (_httpResponse != null)
                {
                    _httpResponse.Dispose();
                }
                throw ex;
            }
            // Create Result
            var _result = new AzureOperationResponse<EvaluatePoliciesResponse>();
            _result.Request = _httpRequest;
            _result.Response = _httpResponse;
            if (_httpResponse.Headers.Contains("x-ms-request-id"))
            {
                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
            }
            // Deserialize Response
            if ((int)_statusCode == 200)
            {
                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
                try
                {
                    _result.Body = SafeJsonConvert.DeserializeObject<EvaluatePoliciesResponse>(_responseContent, this.Client.DeserializationSettings);
                }
                catch (JsonException ex)
                {
                    _httpRequest.Dispose();
                    if (_httpResponse != null)
                    {
                        _httpResponse.Dispose();
                    }
                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
                }
            }
            if (_shouldTrace)
            {
                ServiceClientTracing.Exit(_invocationId, _result);
            }
            return _result;
        }

    }
}
