﻿using System;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;

namespace ServiceStack.Text.Tests.UseCases
{
	/// <summary>
	/// Stand-alone C# client for the Github v3 API
	/// Uses only ServiceStack.Text (+NUnit for tests)
	/// </summary>
	[TestFixture, Explicit]
	public class GithubV3ApiGatewayTests
	{
		[Test]
		public void DO_ALL_THE_THINGS()
		{
			var client = new GithubV3ApiGateway();

			Console.WriteLine("\n-- GetUserRepos(mythz): \n" + client.GetUserRepos("mythz").Dump());
			Console.WriteLine("\n-- GetOrgRepos(ServiceStack): \n" + client.GetOrgRepos("ServiceStack").Dump());
			Console.WriteLine("\n-- GetUserRepo(ServiceStack,ServiceStack.Text): \n" + client.GetUserRepo("mythz", "jquip").Dump());
			Console.WriteLine("\n-- GetUserRepoContributors(ServiceStack,ServiceStack.Text): \n" + client.GetUserRepoContributors("ServiceStack", "ServiceStack.Text").Dump());
			Console.WriteLine("\n-- GetUserRepoWatchers(ServiceStack,ServiceStack.Text): \n" + client.GetUserRepoWatchers("ServiceStack", "ServiceStack.Text").Dump());
			Console.WriteLine("\n-- GetReposUserIsWatching(mythz): \n" + client.GetReposUserIsWatching("mythz").Dump());
			Console.WriteLine("\n-- GetUserOrgs(mythz): \n" + client.GetUserOrgs("mythz").Dump());
			Console.WriteLine("\n-- GetUserFollowers(mythz): \n" + client.GetUserFollowers("mythz").Dump());
			Console.WriteLine("\n-- GetOrgMembers(ServiceStack): \n" + client.GetOrgMembers("ServiceStack").Dump());
			Console.WriteLine("\n-- GetAllUserAndOrgsReposFor(mythz): \n" + client.GetAllUserAndOrgsReposFor("mythz").Dump());
		}
	}

	public class GithubV3ApiGateway
	{
		public const string GithubApiBaseUrl = "https://api.github.com/";

		public T GetJson<T>(string route, params object[] routeArgs)
		{
			return GithubApiBaseUrl.AppendPath(route.Fmt(routeArgs))
				.GetJsonFromUrl()
				.FromJson<T>();
		}

		public List<GithubRepo> GetUserRepos(string githubUsername)
		{
			return GetJson<List<GithubRepo>>("users/{0}/repos", githubUsername);
		}

		public List<GithubRepo> GetOrgRepos(string githubOrgName)
		{
			return GetJson<List<GithubRepo>>("orgs/{0}/repos", githubOrgName);
		}

		public GithubRepo GetUserRepo(string githubUsername, string projectName)
		{
			return GetJson<GithubRepo>("repos/{0}/{1}", githubUsername, projectName);
		}

		public List<GithubUser> GetUserRepoContributors(string githubUsername, string projectName)
		{
			return GetJson<List<GithubUser>>("repos/{0}/{1}/contributors", githubUsername, projectName);
		}

		public List<GithubUser> GetUserRepoWatchers(string githubUsername, string projectName)
		{
			return GetJson<List<GithubUser>>("repos/{0}/{1}/watchers", githubUsername, projectName);
		}

		public List<GithubRepo> GetReposUserIsWatching(string githubUsername)
		{
			return GetJson<List<GithubRepo>>("users/{0}/watched", githubUsername);
		}

		public List<GithubOrg> GetUserOrgs(string githubUsername)
		{
			return GetJson<List<GithubOrg>>("users/{0}/orgs", githubUsername);
		}

		public List<GithubUser> GetUserFollowers(string githubUsername)
		{
			return GetJson<List<GithubUser>>("users/{0}/followers", githubUsername);
		}

		public List<GithubUser> GetOrgMembers(string githubOrgName)
		{
			return GetJson<List<GithubUser>>("orgs/{0}/members", githubOrgName);
		}

		public List<GithubRepo> GetAllUserAndOrgsReposFor(string githubUsername)
		{
			var map = new Dictionary<int, GithubRepo>();
			GetUserRepos(githubUsername).ForEach(x => map[x.Id] = x);
			GetUserOrgs(githubUsername).ForEach(org =>
				GetOrgRepos(org.Login)
					.ForEach(repo => map[repo.Id] = repo));

			return map.Values.ToList();
		}
	}

	public class GithubRepo
	{
		public int Id { get; set; }
		public string Open_Issues { get; set; }
		public int Watchers { get; set; }
		public DateTime? Pushed_At { get; set; }
		public string Homepage { get; set; }
		public string Svn_Url { get; set; }
		public DateTime? Updated_At { get; set; }
		public string Mirror_Url { get; set; }
		public bool Has_Downloads { get; set; }
		public string Url { get; set; }
		public bool Has_issues { get; set; }
		public string Language { get; set; }
		public bool Fork { get; set; }
		public string Ssh_Url { get; set; }
		public string Html_Url { get; set; }
		public int Forks { get; set; }
		public string Clone_Url { get; set; }
		public int Size { get; set; }
		public string Git_Url { get; set; }
		public bool Private { get; set; }
		public DateTime Created_at { get; set; }
		public bool Has_Wiki { get; set; }
		public GithubUser Owner { get; set; }
		public string Name { get; set; }
		public string Description { get; set; }
	}

	public class GithubUser
	{
		public int Id { get; set; }
		public string Login { get; set; }
		public string Avatar_Url { get; set; }
		public string Url { get; set; }
		public int? Followers { get; set; }
		public int? Following { get; set; }
		public string Type { get; set; }
		public int? Public_Gists { get; set; }
		public string Location { get; set; }
		public string Company { get; set; }
		public string Html_Url { get; set; }
		public int? Public_Repos { get; set; }
		public DateTime? Created_At { get; set; }
		public string Blog { get; set; }
		public string Email { get; set; }
		public string Name { get; set; }
		public bool? Hireable { get; set; }
		public string Gravatar_Id { get; set; }
		public string Bio { get; set; }
	}

	public class GithubOrg
	{
		public int Id { get; set; }
		public string Avatar_Url { get; set; }
		public string Url { get; set; }
		public string Login { get; set; }
	}
}