// 
// Copyright (c) Microsoft and contributors.  All rights reserved.
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Warning: This code was generated by a tool.
// 
// Changes to this file may cause incorrect behavior and will be lost if the
// code is regenerated.

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Hyak.Common;
using Microsoft.Azure;
using Microsoft.Azure.Management.ApiManagement;
using Microsoft.Azure.Management.ApiManagement.SmapiModels;

namespace Microsoft.Azure.Management.ApiManagement
{
    /// <summary>
    /// Operations for managing API Policy.
    /// </summary>
    internal partial class ApiPolicyOperations : IServiceOperations<ApiManagementClient>, IApiPolicyOperations
    {
        /// <summary>
        /// Initializes a new instance of the ApiPolicyOperations class.
        /// </summary>
        /// <param name='client'>
        /// Reference to the service client.
        /// </param>
        internal ApiPolicyOperations(ApiManagementClient client)
        {
            this._client = client;
        }
        
        private ApiManagementClient _client;
        
        /// <summary>
        /// Gets a reference to the
        /// Microsoft.Azure.Management.ApiManagement.ApiManagementClient.
        /// </summary>
        public ApiManagementClient Client
        {
            get { return this._client; }
        }
        
        /// <summary>
        /// Deletes specific API policy of the Api Management service instance.
        /// </summary>
        /// <param name='resourceGroupName'>
        /// Required. The name of the resource group.
        /// </param>
        /// <param name='serviceName'>
        /// Required. The name of the Api Management service.
        /// </param>
        /// <param name='aid'>
        /// Required. Identifier of the API.
        /// </param>
        /// <param name='etag'>
        /// Required. ETag.
        /// </param>
        /// <param name='cancellationToken'>
        /// Cancellation token.
        /// </param>
        /// <returns>
        /// A standard service response including an HTTP status code and
        /// request ID.
        /// </returns>
        public async Task<AzureOperationResponse> DeleteAsync(string resourceGroupName, string serviceName, string aid, string etag, CancellationToken cancellationToken)
        {
            // Validate
            if (resourceGroupName == null)
            {
                throw new ArgumentNullException("resourceGroupName");
            }
            if (serviceName == null)
            {
                throw new ArgumentNullException("serviceName");
            }
            if (aid == null)
            {
                throw new ArgumentNullException("aid");
            }
            if (etag == null)
            {
                throw new ArgumentNullException("etag");
            }
            
            // Tracing
            bool shouldTrace = TracingAdapter.IsEnabled;
            string invocationId = null;
            if (shouldTrace)
            {
                invocationId = TracingAdapter.NextInvocationId.ToString();
                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
                tracingParameters.Add("resourceGroupName", resourceGroupName);
                tracingParameters.Add("serviceName", serviceName);
                tracingParameters.Add("aid", aid);
                tracingParameters.Add("etag", etag);
                TracingAdapter.Enter(invocationId, this, "DeleteAsync", tracingParameters);
            }
            
            // Construct URL
            string url = "";
            url = url + "/subscriptions/";
            if (this.Client.Credentials.SubscriptionId != null)
            {
                url = url + Uri.EscapeDataString(this.Client.Credentials.SubscriptionId);
            }
            url = url + "/resourceGroups/";
            url = url + Uri.EscapeDataString(resourceGroupName);
            url = url + "/providers/";
            url = url + "Microsoft.ApiManagement";
            url = url + "/service/";
            url = url + Uri.EscapeDataString(serviceName);
            url = url + "/apis/";
            url = url + Uri.EscapeDataString(aid);
            url = url + "/policy";
            List<string> queryParameters = new List<string>();
            queryParameters.Add("api-version=2014-02-14");
            if (queryParameters.Count > 0)
            {
                url = url + "?" + string.Join("&", queryParameters);
            }
            string baseUrl = this.Client.BaseUri.AbsoluteUri;
            // Trim '/' character from the end of baseUrl and beginning of url.
            if (baseUrl[baseUrl.Length - 1] == '/')
            {
                baseUrl = baseUrl.Substring(0, baseUrl.Length - 1);
            }
            if (url[0] == '/')
            {
                url = url.Substring(1);
            }
            url = baseUrl + "/" + url;
            url = url.Replace(" ", "%20");
            
            // Create HTTP transport objects
            HttpRequestMessage httpRequest = null;
            try
            {
                httpRequest = new HttpRequestMessage();
                httpRequest.Method = HttpMethod.Delete;
                httpRequest.RequestUri = new Uri(url);
                
                // Set Headers
                httpRequest.Headers.TryAddWithoutValidation("If-Match", etag);
                
                // Set Credentials
                cancellationToken.ThrowIfCancellationRequested();
                await this.Client.Credentials.ProcessHttpRequestAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                
                // Send Request
                HttpResponseMessage httpResponse = null;
                try
                {
                    if (shouldTrace)
                    {
                        TracingAdapter.SendRequest(invocationId, httpRequest);
                    }
                    cancellationToken.ThrowIfCancellationRequested();
                    httpResponse = await this.Client.HttpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                    if (shouldTrace)
                    {
                        TracingAdapter.ReceiveResponse(invocationId, httpResponse);
                    }
                    HttpStatusCode statusCode = httpResponse.StatusCode;
                    if (statusCode != HttpStatusCode.OK && statusCode != HttpStatusCode.NoContent)
                    {
                        cancellationToken.ThrowIfCancellationRequested();
                        CloudException ex = CloudException.Create(httpRequest, null, httpResponse, await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false));
                        if (shouldTrace)
                        {
                            TracingAdapter.Error(invocationId, ex);
                        }
                        throw ex;
                    }
                    
                    // Create Result
                    AzureOperationResponse result = null;
                    // Deserialize Response
                    result = new AzureOperationResponse();
                    result.StatusCode = statusCode;
                    if (httpResponse.Headers.Contains("x-ms-request-id"))
                    {
                        result.RequestId = httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
                    }
                    
                    if (shouldTrace)
                    {
                        TracingAdapter.Exit(invocationId, result);
                    }
                    return result;
                }
                finally
                {
                    if (httpResponse != null)
                    {
                        httpResponse.Dispose();
                    }
                }
            }
            finally
            {
                if (httpRequest != null)
                {
                    httpRequest.Dispose();
                }
            }
        }
        
        /// <summary>
        /// Gets specific API policy.
        /// </summary>
        /// <param name='resourceGroupName'>
        /// Required. The name of the resource group.
        /// </param>
        /// <param name='serviceName'>
        /// Required. The name of the Api Management service.
        /// </param>
        /// <param name='aid'>
        /// Required. Identifier of the API.
        /// </param>
        /// <param name='format'>
        /// Required. Format of the policy. Supported formats:
        /// application/vnd.ms-azure-apim.policy+xml
        /// </param>
        /// <param name='cancellationToken'>
        /// Cancellation token.
        /// </param>
        /// <returns>
        /// The response model for the get policy output operation.
        /// </returns>
        public async Task<PolicyGetResponse> GetAsync(string resourceGroupName, string serviceName, string aid, string format, CancellationToken cancellationToken)
        {
            // Validate
            if (resourceGroupName == null)
            {
                throw new ArgumentNullException("resourceGroupName");
            }
            if (serviceName == null)
            {
                throw new ArgumentNullException("serviceName");
            }
            if (aid == null)
            {
                throw new ArgumentNullException("aid");
            }
            if (format == null)
            {
                throw new ArgumentNullException("format");
            }
            
            // Tracing
            bool shouldTrace = TracingAdapter.IsEnabled;
            string invocationId = null;
            if (shouldTrace)
            {
                invocationId = TracingAdapter.NextInvocationId.ToString();
                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
                tracingParameters.Add("resourceGroupName", resourceGroupName);
                tracingParameters.Add("serviceName", serviceName);
                tracingParameters.Add("aid", aid);
                tracingParameters.Add("format", format);
                TracingAdapter.Enter(invocationId, this, "GetAsync", tracingParameters);
            }
            
            // Construct URL
            string url = "";
            url = url + "/subscriptions/";
            if (this.Client.Credentials.SubscriptionId != null)
            {
                url = url + Uri.EscapeDataString(this.Client.Credentials.SubscriptionId);
            }
            url = url + "/resourceGroups/";
            url = url + Uri.EscapeDataString(resourceGroupName);
            url = url + "/providers/";
            url = url + "Microsoft.ApiManagement";
            url = url + "/service/";
            url = url + Uri.EscapeDataString(serviceName);
            url = url + "/apis/";
            url = url + Uri.EscapeDataString(aid);
            url = url + "/policy";
            List<string> queryParameters = new List<string>();
            queryParameters.Add("api-version=2014-02-14");
            if (queryParameters.Count > 0)
            {
                url = url + "?" + string.Join("&", queryParameters);
            }
            string baseUrl = this.Client.BaseUri.AbsoluteUri;
            // Trim '/' character from the end of baseUrl and beginning of url.
            if (baseUrl[baseUrl.Length - 1] == '/')
            {
                baseUrl = baseUrl.Substring(0, baseUrl.Length - 1);
            }
            if (url[0] == '/')
            {
                url = url.Substring(1);
            }
            url = baseUrl + "/" + url;
            url = url.Replace(" ", "%20");
            
            // Create HTTP transport objects
            HttpRequestMessage httpRequest = null;
            try
            {
                httpRequest = new HttpRequestMessage();
                httpRequest.Method = HttpMethod.Get;
                httpRequest.RequestUri = new Uri(url);
                
                // Set Headers
                httpRequest.Headers.Add("Accept", format);
                
                // Set Credentials
                cancellationToken.ThrowIfCancellationRequested();
                await this.Client.Credentials.ProcessHttpRequestAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                
                // Send Request
                HttpResponseMessage httpResponse = null;
                try
                {
                    if (shouldTrace)
                    {
                        TracingAdapter.SendRequest(invocationId, httpRequest);
                    }
                    cancellationToken.ThrowIfCancellationRequested();
                    httpResponse = await this.Client.HttpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                    if (shouldTrace)
                    {
                        TracingAdapter.ReceiveResponse(invocationId, httpResponse);
                    }
                    HttpStatusCode statusCode = httpResponse.StatusCode;
                    if (statusCode != HttpStatusCode.OK)
                    {
                        cancellationToken.ThrowIfCancellationRequested();
                        CloudException ex = CloudException.Create(httpRequest, null, httpResponse, await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false));
                        if (shouldTrace)
                        {
                            TracingAdapter.Error(invocationId, ex);
                        }
                        throw ex;
                    }
                    
                    // Create Result
                    PolicyGetResponse result = null;
                    // Deserialize Response
                    if (statusCode == HttpStatusCode.OK)
                    {
                        cancellationToken.ThrowIfCancellationRequested();
                        string responseContent = await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
                        result = new PolicyGetResponse();
                        result.PolicyBytes = Encoding.UTF8.GetBytes(responseContent);
                        
                    }
                    result.StatusCode = statusCode;
                    if (httpResponse.Headers.Contains("ETag"))
                    {
                        result.ETag = httpResponse.Headers.GetValues("ETag").FirstOrDefault();
                    }
                    if (httpResponse.Headers.Contains("x-ms-request-id"))
                    {
                        result.RequestId = httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
                    }
                    
                    if (shouldTrace)
                    {
                        TracingAdapter.Exit(invocationId, result);
                    }
                    return result;
                }
                finally
                {
                    if (httpResponse != null)
                    {
                        httpResponse.Dispose();
                    }
                }
            }
            finally
            {
                if (httpRequest != null)
                {
                    httpRequest.Dispose();
                }
            }
        }
        
        /// <summary>
        /// Sets policy for API.
        /// </summary>
        /// <param name='resourceGroupName'>
        /// Required. The name of the resource group.
        /// </param>
        /// <param name='serviceName'>
        /// Required. The name of the Api Management service.
        /// </param>
        /// <param name='aid'>
        /// Required. Identifier of the API.
        /// </param>
        /// <param name='format'>
        /// Required. Format of the policy. Supported formats:
        /// application/vnd.ms-azure-apim.policy+xml
        /// </param>
        /// <param name='policyStream'>
        /// Required. Policy stream.
        /// </param>
        /// <param name='cancellationToken'>
        /// Cancellation token.
        /// </param>
        /// <returns>
        /// A standard service response including an HTTP status code and
        /// request ID.
        /// </returns>
        public async Task<AzureOperationResponse> SetAsync(string resourceGroupName, string serviceName, string aid, string format, Stream policyStream, CancellationToken cancellationToken)
        {
            // Validate
            if (resourceGroupName == null)
            {
                throw new ArgumentNullException("resourceGroupName");
            }
            if (serviceName == null)
            {
                throw new ArgumentNullException("serviceName");
            }
            if (aid == null)
            {
                throw new ArgumentNullException("aid");
            }
            if (format == null)
            {
                throw new ArgumentNullException("format");
            }
            if (policyStream == null)
            {
                throw new ArgumentNullException("policyStream");
            }
            
            // Tracing
            bool shouldTrace = TracingAdapter.IsEnabled;
            string invocationId = null;
            if (shouldTrace)
            {
                invocationId = TracingAdapter.NextInvocationId.ToString();
                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
                tracingParameters.Add("resourceGroupName", resourceGroupName);
                tracingParameters.Add("serviceName", serviceName);
                tracingParameters.Add("aid", aid);
                tracingParameters.Add("format", format);
                tracingParameters.Add("policyStream", policyStream);
                TracingAdapter.Enter(invocationId, this, "SetAsync", tracingParameters);
            }
            
            // Construct URL
            string url = "";
            url = url + "/subscriptions/";
            if (this.Client.Credentials.SubscriptionId != null)
            {
                url = url + Uri.EscapeDataString(this.Client.Credentials.SubscriptionId);
            }
            url = url + "/resourceGroups/";
            url = url + Uri.EscapeDataString(resourceGroupName);
            url = url + "/providers/";
            url = url + "Microsoft.ApiManagement";
            url = url + "/service/";
            url = url + Uri.EscapeDataString(serviceName);
            url = url + "/apis/";
            url = url + Uri.EscapeDataString(aid);
            url = url + "/policy";
            List<string> queryParameters = new List<string>();
            queryParameters.Add("api-version=2014-02-14");
            if (queryParameters.Count > 0)
            {
                url = url + "?" + string.Join("&", queryParameters);
            }
            string baseUrl = this.Client.BaseUri.AbsoluteUri;
            // Trim '/' character from the end of baseUrl and beginning of url.
            if (baseUrl[baseUrl.Length - 1] == '/')
            {
                baseUrl = baseUrl.Substring(0, baseUrl.Length - 1);
            }
            if (url[0] == '/')
            {
                url = url.Substring(1);
            }
            url = baseUrl + "/" + url;
            url = url.Replace(" ", "%20");
            
            // Create HTTP transport objects
            HttpRequestMessage httpRequest = null;
            try
            {
                httpRequest = new HttpRequestMessage();
                httpRequest.Method = HttpMethod.Put;
                httpRequest.RequestUri = new Uri(url);
                
                // Set Headers
                
                // Set Credentials
                cancellationToken.ThrowIfCancellationRequested();
                await this.Client.Credentials.ProcessHttpRequestAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                
                // Serialize Request
                Stream requestContent = policyStream;
                httpRequest.Content = new StreamContent(requestContent);
                httpRequest.Content.Headers.ContentType = MediaTypeHeaderValue.Parse(format);
                
                // Send Request
                HttpResponseMessage httpResponse = null;
                try
                {
                    if (shouldTrace)
                    {
                        TracingAdapter.SendRequest(invocationId, httpRequest);
                    }
                    cancellationToken.ThrowIfCancellationRequested();
                    httpResponse = await this.Client.HttpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
                    if (shouldTrace)
                    {
                        TracingAdapter.ReceiveResponse(invocationId, httpResponse);
                    }
                    HttpStatusCode statusCode = httpResponse.StatusCode;
                    if (statusCode != HttpStatusCode.Created && statusCode != HttpStatusCode.NoContent)
                    {
                        cancellationToken.ThrowIfCancellationRequested();
                        CloudException ex = CloudException.Create(httpRequest, null, httpResponse, await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false));
                        if (shouldTrace)
                        {
                            TracingAdapter.Error(invocationId, ex);
                        }
                        throw ex;
                    }
                    
                    // Create Result
                    AzureOperationResponse result = null;
                    // Deserialize Response
                    result = new AzureOperationResponse();
                    result.StatusCode = statusCode;
                    if (httpResponse.Headers.Contains("x-ms-request-id"))
                    {
                        result.RequestId = httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
                    }
                    
                    if (shouldTrace)
                    {
                        TracingAdapter.Exit(invocationId, result);
                    }
                    return result;
                }
                finally
                {
                    if (httpResponse != null)
                    {
                        httpResponse.Dispose();
                    }
                }
            }
            finally
            {
                if (httpRequest != null)
                {
                    httpRequest.Dispose();
                }
            }
        }
    }
}
