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

namespace FWindSoft.Revit.Utils
{
    /// <summary>
    /// 管件类型枚举
    /// </summary>
    public enum FittingType
    {
        /// <summary>
        /// 未定
        /// </summary>
        Undefined = -1,
        /// <summary>
        /// 弯头
        /// </summary>
        Elbows = 1,
        /// <summary>
        /// 三通
        /// </summary>
        Junctions = 2,
        /// <summary>
        /// 四通
        /// </summary>
        Crosses = 3,
        /// <summary>
        /// 变径
        /// </summary>
        Transitions = 4,
        /// <summary>
        /// 活接头
        /// </summary>
        Unions = 5,
        /// <summary>
        /// 方形到原型变径
        /// </summary>
        TransitionsRectangularToRound = 7,
        /// <summary>
        /// 方形到椭圆变径
        /// </summary>
        TransitionsRectangularToOval = 8,
        /// <summary>
        /// 椭圆到原型变径
        /// </summary>
        TransitionsOvalToRound = 9,
        /// <summary>
        /// 堵头
        /// </summary>
        Caps = 10
    }
    /// <summary>
    /// 管件工具
    /// </summary>
    public static class FittingUtils
    {
        #region 私有方法
        /// <summary>
        /// 判断传入类型的的分类
        /// </summary>
        /// <param name="mepCurveType"></param>
        /// <returns>-1 无效；0 线管桥架；1水管风管 </returns>
        private static int JudgeType(MEPCurveType mepCurveType)
        {
            int flag = -1;
            if (mepCurveType is ConduitType || mepCurveType is CableTrayType)
            {
                return 0;
            }
            if (mepCurveType is PipeType || mepCurveType is DuctType)
            {
                return 1;
            }
            return flag;
        } 
        /// <summary>
        /// FittingType转换成布线规则
        /// </summary>
        /// <param name="fittingType"></param>
        /// <returns></returns>
        private static RoutingPreferenceRuleGroupType ConvertToRuleType(FittingType fittingType)
        {
            return (RoutingPreferenceRuleGroupType)fittingType;
        }
        /// <summary>
        /// FittingType转换成对应参数
        /// </summary>
        /// <param name="fittingType"></param>
        /// <returns></returns>
        private static BuiltInParameter ConvertToBitParameter(FittingType fittingType)
        {
            BuiltInParameter use = BuiltInParameter.INVALID;
            switch (fittingType)
            {
                case FittingType.Elbows:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_BEND_PARAM;
                    break;
                case FittingType.Junctions:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_TEE_PARAM;
                    break;
                case FittingType.Crosses:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_CROSS_PARAM;
                    break;
                case FittingType.Transitions:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_TRANSITION_PARAM;
                    break;
                case FittingType.Unions:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_UNION_PARAM;
                    break;
                case FittingType.Caps:
                    use = BuiltInParameter.RBS_CURVETYPE_DEFAULT_CAP_PARAM;
                    break;
                default:
                    break;
            }

            return use;
        }
        #endregion
        /// <summary>
        /// MepCurveType增加指定类型的管件
        /// </summary>
        /// <param name="mepCurveType"></param>
        /// <param name="fittingType">管件类型</param>
        /// <param name="elementId"></param>
        public static void AddFitting(MEPCurveType mepCurveType, FittingType fittingType, ElementId elementId)
        {
            var flag = JudgeType(mepCurveType);
            elementId = elementId??ElementId.InvalidElementId;
            if (flag==0)
            {
                mepCurveType.AddFitting(ConvertToBitParameter(fittingType), elementId);
            }
            else if(flag==1)
            {
                mepCurveType.AddRoutingRule(ConvertToRuleType(fittingType), elementId);
            }
        }
        /// <summary>
        /// MepCurveType移除指定管件
        /// </summary>
        /// <param name="mepCurveType"></param>
        /// <param name="fittingType"></param>
        public static void RemoveFitting(MEPCurveType mepCurveType, FittingType fittingType)
        {
            var flag = JudgeType(mepCurveType);
            if (flag == 0)
            {
                mepCurveType.RemoveFitting(ConvertToBitParameter(fittingType));
            }
            else if (flag == 1)
            {
                mepCurveType.RemoveRoutingRule(ConvertToRuleType(fittingType));
            }
        }
        /// <summary>
        /// MepCurveType获取指定管件
        /// </summary>
        /// <param name="mepCurveType"></param>
        /// <param name="fittingType"></param>
        /// <returns></returns>
        public static ElementId GetFitting(MEPCurveType mepCurveType, FittingType fittingType)
        {
            ElementId elmentId = null;
            var flag = JudgeType(mepCurveType);
            if (flag == 0)
            {
                elmentId=mepCurveType.GetFitting(ConvertToBitParameter(fittingType));
            }
            else if (flag == 1)
            {
                var rule = mepCurveType.GetRoutingRule(ConvertToRuleType(fittingType));
                if(rule!=null)
                {
                    elmentId = rule.MEPPartId;
                }
            }

            return elmentId;
        }
    }
}