using var client =
    //Build the Url from the host name
    new Client("jsonplaceholder.typicode.com".ToHttpsUriFromHost());

UserPost userPost = await client.PostAsync<UserPost, UserPost>(
    //POST the UserPost to the server
    new UserPost { title = "Title" }, "posts"
    );

var serviceCollection = new ServiceCollection()
    //Add a service which has an IClient dependency
    .AddSingleton<IGetString, GetString1>()
    //Add RestClient.Net with a default Base Url of http://www.test.com
    .AddRestClient((o) => o.BaseUrl = "http://www.test.com".ToAbsoluteUrl());

//Use HttpClient dependency injection
_ = serviceCollection.AddHttpClient();

public class GetString1 : IGetString
{
    public IClient Client { get; }

    public GetString1(IClient client) => Client = client;

    public async Task<string> GetStringAsync() => await Client.GetAsync<string>();
}

public class GetString2 : IGetString
{
    public IClient Client { get; }

    public GetString2(CreateClient createClient)
    {
        //Use the options to set the BaseUrl or other properties on the Client
        Client = createClient("test", (o) => { o.BaseUrl = o.BaseUrl with { Host = "www.test.com" }; });
    }

    public async Task<string> GetStringAsync() => await Client.GetAsync<string>();
}

//This constructs an AbsoluteUrl from the string, makes the GET call and deserializes the JSON to a strongly typed list
//The response also contains a Client with the base of the Url that you can reuse
//Note: not available on .NET 4.5

var response = await "https://restcountries.eu/rest/v2"
    .ToAbsoluteUrl()
    .GetAsync<List<RestCountry>>();

using RestClient.Net.Abstractions.Extensions;
using System.Collections.Generic;
using System.Threading.Tasks;
using Urls;

namespace RestClient.Net
{
    public static class GitHubGraphQLMethods
    {
        public static async Task<T> GetIssues<T>(string repo, string accessToken)
        => (await "https://api.github.com/graphql"
            .ToAbsoluteUrl()
            .PostAsync<QueryResponse<T>, QueryRequest>(
                new QueryRequest("{ search(query: \"repo:" + repo + "\", type: ISSUE, first: 100) {nodes {... on Issue { number title body } } }}")
                , HeadersExtensions.FromBearerToken(accessToken)
            .Append("User-Agent", "RestClient.Net"))).Response.Body.data.search;
    }

    public record QueryRequest(string query);
    public record Issue(int? number, string title, string body);
    public record Issues(List<Issue> nodes);
    public record Data<T>(T search);
    public record QueryResponse<T>(Data<T> data);

}