using System;
using System.Diagnostics.CodeAnalysis;
using System.Reactive;

namespace Octokit.Reactive
{
    public interface IObservableRepositoriesClient
    {
        /// <summary>
        /// Creates a new repository for the current user.
        /// </summary>
        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
        /// <returns>An <see cref="IObservable{Repository}"/> instance for the created repository</returns>
        IObservable<Repository> Create(NewRepository newRepository);

        /// <summary>
        /// Creates a new repository in the specified organization.
        /// </summary>
        /// <param name="organizationLogin">The login of the organization in which to create the repostiory</param>
        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
        /// <returns>An <see cref="IObservable{Repository}"/> instance for the created repository</returns>
        IObservable<Repository> Create(string organizationLogin, NewRepository newRepository);

        /// <summary>
        /// Deletes a repository for the specified owner and name.
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <remarks>Deleting a repository requires admin access. If OAuth is used, the `delete_repo` scope is required.</remarks>
        /// <returns>An <see cref="IObservable{Unit}"/> for the operation</returns>
        IObservable<Unit> Delete(string owner, string name);
        
        /// <summary>
        /// Retrieves the <see cref="Repository"/> for the specified owner and name.
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns>A <see cref="Repository"/></returns>
        [SuppressMessage("Microsoft.Naming", "CA1716:IdentifiersShouldNotMatchKeywords", MessageId = "Get")]
        IObservable<Repository> Get(string owner, string name);
        
        /// <summary>
        /// Retrieves every <see cref="Repository"/> that belongs to the current user.
        /// </summary>
        /// <remarks>
        /// The default page size on GitHub.com is 30.
        /// </remarks>
        /// <exception cref="AuthorizationException">Thrown if the client is not authenticated.</exception>
        /// <returns>A <see cref="IReadOnlyPagedCollection{Repository}"/> of <see cref="Repository"/>.</returns>
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Makes a network request")]
        IObservable<Repository> GetAllForCurrent();
        
        /// <summary>
        /// Retrieves every <see cref="Repository"/> that belongs to the specified user.
        /// </summary>
        /// <remarks>
        /// The default page size on GitHub.com is 30.
        /// </remarks>
        /// <returns>A <see cref="IReadOnlyPagedCollection{Repository}"/> of <see cref="Repository"/>.</returns>
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Makes a network request")]
        IObservable<Repository> GetAllForUser(string login);

        /// <summary>
        /// Retrieves every <see cref="Repository"/> that belongs to the specified organization.
        /// </summary>
        /// <remarks>
        /// The default page size on GitHub.com is 30.
        /// </remarks>
        /// <returns>A <see cref="IReadOnlyPagedCollection{Repository}"/> of <see cref="Repository"/>.</returns>
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Makes a network request")]
        IObservable<Repository> GetAllForOrg(string organization);

        /// <summary>
        /// Returns the HTML rendered README.
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns></returns>
        IObservable<Readme> GetReadme(string owner, string name);

        /// <summary>
        /// Returns just the HTML portion of the README without the surrounding HTML document. 
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns></returns>
        IObservable<string> GetReadmeHtml(string owner, string name);

        /// <summary>
        /// A client for GitHub's Commit Status API.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/statuses/">Commit Status API documentation</a> for more
        /// details. Also check out the <a href="https://github.com/blog/1227-commit-status-api">blog post</a> 
        /// that announced this feature.
        /// </remarks>
        IObservableCommitStatusClient CommitStatus { get; }

        /// <summary>
        /// Gets all the branches for the specified repository.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-branches">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <exception cref="ApiException">Thrown when a general API error occurs.</exception>
        /// <returns>All <see cref="T:Octokit.Branch"/>es of the repository</returns>
        IObservable<Branch> GetAllBranches(string owner, string name);

        /// <summary>
        /// Gets all contributors for the specified repository. Does not include anonymous contributors.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-contributors">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns>All contributors of the repository.</returns>
        IObservable<User> GetAllContributors(string owner, string name);

        /// <summary>
        /// Gets all contributors for the specified repository. With the option to include anonymous contributors.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-contributors">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <param name="includeAnonymous">True if anonymous contributors should be included in result; Otherwise false</param>
        /// <returns>All contributors of the repository.</returns>
        IObservable<User> GetAllContributors(string owner, string name, bool includeAnonymous);

        /// <summary>
        /// Gets all languages for the specified repository.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-languages">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns>All languages used in the repository and the number of bytes of each language.</returns>
        IObservable<RepositoryLanguage> GetAllLanguages(string owner, string name);

        /// <summary>
        /// Gets all teams for the specified repository.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-teams">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns>All <see cref="T:Octokit.Team"/>s associated with the repository</returns>
        IObservable<Team> GetAllTeams(string owner, string name);

        /// <summary>
        /// Gets all tags for the specified repository.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#list-tags">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns>All of the repositorys tags.</returns>
        IObservable<RepositoryTag> GetAllTags(string owner, string name);

        /// <summary>
        /// Gets the specified branch.
        /// </summary>
        /// <remarks>
        /// See the <a href="http://developer.github.com/v3/repos/#get-branch">API documentation</a> for more details
        /// </remarks>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="repositoryName">The name of the repository</param>
        /// <param name="branchName">The name of the branch</param>
        /// <returns>The specified <see cref="T:Octokit.Branch"/></returns>
        IObservable<Branch> GetBranch(string owner, string repositoryName, string branchName);

        /// <summary>
        /// Updates the specified repository with the values given in <paramref name="update"/>
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <param name="update">New values to update the repository with</param>
        /// <returns>The updated <see cref="T:Octokit.Repository"/></returns>
        IObservable<Repository> Edit(string owner, string name, RepositoryUpdate update);
    }
}