using System.IO;
using System.Text;
using System.Xml;

namespace AIPractice.Shared.Labels
{
    /// <summary>
    /// 结论恶性程度
    /// </summary>
    public enum MalignantLevel
    {
        /// <summary>
        /// 正常
        /// </summary>
        Low = 0,
        /// <summary>
        /// 中度
        /// </summary>
        Middle = 1,
        /// <summary>
        /// 恶性
        /// </summary>
        High = 2
    }

    public class ConclusionLabel: ImageLabel
    {
        /// <summary>
        /// Gets the MalignantLevel of this Conclusion.
        /// </summary>
        public MalignantLevel Level { get; set; }

        /// <summary>
        /// Gets or sets if this label is the parts label.
        /// </summary>
        public bool IsParts { get; set; }


        /// <summary>
        /// Gets or sets if this label is unique label of its root.
        /// </summary>
        public bool IsUnique { get; set; }

        public ConclusionLabel(string id, string title, MalignantLevel level) : base(id, title)
        {
            Level = level;
        }

        public static ConclusionLabel FromXml(string xmlContent)
        {
            using (var ms = new MemoryStream(Encoding.Unicode.GetBytes(xmlContent)))
            {
                using (var r = XmlReader.Create(ms))
                {
                    r.Read();
                    var id = r.GetAttribute("id");
                    var title = r.GetAttribute("title");
                    var malignantLevelStr = r.GetAttribute("malignantLevel");
                    var malignantLevel = MalignantLevel.Low;
                    if (int.TryParse(malignantLevelStr, out int m))
                    {
                        malignantLevel = (MalignantLevel)m;
                    }

                    var isPartsStr = r.GetAttribute("isParts");
                    bool.TryParse(isPartsStr, out var isParts);

                    var isUniqueStr = r.GetAttribute("isUnique");
                    bool.TryParse(isUniqueStr, out var isUnique);

                    return new ConclusionLabel(id, title, malignantLevel)
                    {
                        IsParts = isParts,
                        IsUnique = isUnique
                    };
                }
            }
        }

        public override string ToXml()
        {
            return $"<{nameof(ConclusionLabel)} id=\"{Id}\" title=\"{Title}\" malignantLevel=\"{(int)Level}\" isParts=\"{IsParts}\" isUnique=\"{IsUnique}\"/>";
        }
    }
}