using System;
using System.Diagnostics;
using System.Globalization;

namespace Octokit
{
    [DebuggerDisplay("{DebuggerDisplay,nq}")]
    public class Milestone
    {
        public Milestone() { }

        public Milestone(int number)
        {
            Number = number;
        }

        public Milestone(string url, string htmlUrl, int number, ItemState state, string title, string description, User creator, int openIssues, int closedIssues, DateTimeOffset createdAt, DateTimeOffset? dueOn, DateTimeOffset? closedAt)
        {
            Url = url;
            HtmlUrl = htmlUrl;
            Number = number;
            State = state;
            Title = title;
            Description = description;
            Creator = creator;
            OpenIssues = openIssues;
            ClosedIssues = closedIssues;
            CreatedAt = createdAt;
            DueOn = dueOn;
            ClosedAt = closedAt;
        }

        /// <summary>
        /// The URL for this milestone.
        /// </summary>
        public string Url { get; protected set; }

        /// <summary>
        /// The Html page for this milestone.
        /// </summary>
        public string HtmlUrl { get; protected set; }

        /// <summary>
        /// The milestone number.
        /// </summary>
        public int Number { get; protected set; }

        /// <summary>
        /// Whether the milestone is open or closed.
        /// </summary>
        public ItemState State { get; protected set; }

        /// <summary>
        /// Title of the milestone
        /// </summary>
        public string Title { get; protected set; }

        /// <summary>
        /// Optional description for the milestone.
        /// </summary>
        public string Description { get; protected set; }

        /// <summary>
        /// The user that created this milestone.
        /// </summary>
        public User Creator { get; protected set; }

        /// <summary>
        /// The number of open issues in this milestone.
        /// </summary>
        public int OpenIssues { get; protected set; }

        /// <summary>
        /// The number of closed issues in this milestone.
        /// </summary>
        public int ClosedIssues { get; protected set; }

        /// <summary>
        /// The date this milestone was created
        /// </summary>
        public DateTimeOffset CreatedAt { get; protected set; }

        /// <summary>
        /// The date, if any, when this milestone is due.
        /// </summary>
        public DateTimeOffset? DueOn { get; protected set; }

        /// <summary>
        /// The date, if any, when this milestone was closed.
        /// </summary>
        public DateTimeOffset? ClosedAt { get; protected set; }

        internal string DebuggerDisplay
        {
            get { return string.Format(CultureInfo.InvariantCulture, "Title {0} ", Title); }
        }
    }
}