using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Mechanical;
using Autodesk.Revit.DB.Plumbing;

namespace FWindSoft.Revit
{
    public static class ElementExtension
    {
        /// <summary>
        /// 获取定位线
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static Curve GetLocationCurve(this Element element)
        {
            return element.Location?.ConvertToCurve();
        }
        /// <summary>
        /// 获取定位线
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static Line GetLocationLine(this Element element)
        {
            return element.Location?.ConvertToLine();
        }
        /// <summary>
        /// 获取元素定位点
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static XYZ GetLocationPoint(this Element element)
        {
            return element.Location?.ConvertToPoint();
        }
        /// <summary>
        /// 获取元素开始点
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static XYZ StartPoint(this Element element)
        {
            return element.GetLocationCurve()?.StartPoint();
        }
        /// <summary>
        /// 获取元素结束点
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static XYZ EndPoint(this Element element)
        {
            return element.GetLocationCurve()?.EndPoint();
        }

        public static BuiltInCategory GetCategory(this Element elem)
        {
            var bic = BuiltInCategory.INVALID;
            if (elem.Category != null)
            {
                bic = (BuiltInCategory)elem.Category.Id.IntegerValue;
            }
            return bic;
        }
        /// <summary>
        /// 元素旋转信息
        /// </summary>
        /// <param name="element"></param>
        /// <param name="axis"></param>
        /// <param name="angle"></param>
        public static void Rotate(this Element element, Line axis, double angle)
        {
            ElementTransformUtils.RotateElement(element.Document, element.Id, axis, angle);
        }
        /// <summary>
        /// 获取元素的内置分类
        /// </summary>
        /// <param name="elem"></param>
        /// <returns></returns>
        public static BuiltInCategory GetBuiltInCategory(this Element elem)
        {
            var bic = BuiltInCategory.INVALID;
            if (!elem.IsValidObject)
                return BuiltInCategory.INVALID;
            if (elem.Category != null && elem.Category.Id != null)
            {
                bic = (BuiltInCategory)elem.Category.Id.IntegerValue;
            }
            return bic;
        }

        public static bool IsWaterComponment(this Element element)
        {
            return element is Pipe || element is FlexPipe || (element is FamilyInstance && element.GetBuiltInCategory() == BuiltInCategory.OST_PipeFitting);
        }
        public static bool IsHavcComponment(this Element element)
        {
            return element is Duct|| element is FlexDuct || (element is FamilyInstance && element.GetBuiltInCategory() == BuiltInCategory.OST_DuctFitting);
        }

        /// <summary>
        /// 获取图元类型
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static ElementType GetElementType(this Element element)
        {
            ElementId id = element.GetTypeId();
            if (id != null && id != ElementId.InvalidElementId)
            {
                Element elementType = element.Document.GetElement(id);
                return elementType as ElementType;
            }
            return null;
        }
        /// <summary>
        /// 获取图元类型
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="element"></param>
        /// <returns></returns>
        public static T GetElementType<T>(this Element element) where T : ElementType
        {
            ElementId id = element.GetTypeId();
            if (id != null && id != ElementId.InvalidElementId)
            {
                Element elementType = element.Document.GetElement(id);
                return elementType as T;
            }
            return null;
        }

        /// <summary>
        /// 获取参照标高
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static Level GetLevel(this Element element)
        {
            Level level = null;
            ElementId eId = element.GetLevelId();
            if (eId != ElementId.InvalidElementId)
            {
                level = element.Document.GetElement(eId) as Level;
            }
            return level;
        }

        /// <summary>
        /// 获取参照标高Id
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static ElementId GetLevelId(this Element element)
        {
            return element.GetParameterElementId(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM);
        }

        /// <summary>
        /// 参照标高
        /// </summary>
        /// <param name="element"></param>
        /// <param name="level"></param>
        public static void SetLevel(this Element element, Level level)
        {
            if (level != null)
            {
                element.SetLevel(level.Id);
            }
        }

        /// <summary>
        /// 设置参照标高参照标高
        /// </summary>
        /// <param name="element"></param>
        /// <param name="levelId"></param>
        public static void SetLevel(this Element element, ElementId levelId)
        {
            element.SetParameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM, levelId);
        }
    }
}