using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Architecture;
using CDM.Interop.Revit.RevitCompoent;
using OfficeOpenXml;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CDM.Interop.Revit.RevitCompoent
{
    class RevitStairs : RevitComponent
    {
        public RevitStairs(string path)
        {
            using (ExcelPackage package = new ExcelPackage(new FileStream(path, FileMode.Open)))
            {

                ExcelWorksheet sheet = package.Workbook.Worksheets[1];
                //ExcelWorksheet sheet = package.Workbook.Worksheets["基本构件"];

                this.Name = sheet.Cells["G2"].Value.ToString();

                this.Comment = sheet.Cells["G4"].Value.ToString();



                Runs = new List<RevitStairsRun>();
                var run1 = new RevitStairsRun()
                {
                    Xl = Convert.ToDouble(sheet.Cells["H14"].Value),
                    Yw = Convert.ToDouble(sheet.Cells["H15"].Value),
                    Zh = Convert.ToDouble(sheet.Cells["H16"].Value),
                    DegreesWithXAxis = Convert.ToDouble(sheet.Cells["H17"].Value),
                    Length = Convert.ToDouble(sheet.Cells["H18"].Value),
                    Width = Convert.ToDouble(sheet.Cells["H19"].Value),
                    Height = Convert.ToDouble(sheet.Cells["H20"].Value),
                    Thickness = Convert.ToDouble(sheet.Cells["H21"].Value),
                    NumberOfRisers = Convert.ToInt32(sheet.Cells["H22"].Value)
                };
                var run2 = new RevitStairsRun()
                {
                    Xl = Convert.ToDouble(sheet.Cells["H29"].Value),
                    Yw = Convert.ToDouble(sheet.Cells["H30"].Value),
                    Zh = Convert.ToDouble(sheet.Cells["H31"].Value),
                    DegreesWithXAxis = Convert.ToDouble(sheet.Cells["H32"].Value),
                    Length = Convert.ToDouble(sheet.Cells["H33"].Value),
                    Width = Convert.ToDouble(sheet.Cells["H34"].Value),
                    Height = Convert.ToDouble(sheet.Cells["H35"].Value),
                    Thickness = Convert.ToDouble(sheet.Cells["H36"].Value),
                    NumberOfRisers = Convert.ToInt32(sheet.Cells["H37"].Value),
                };

                Runs.Add(run1);
                Runs.Add(run2);

                ThreadDepth = run1.Length / (run1.NumberOfRisers - 1) / 304.8;
                Landing = new RevitStairsLanding()
                {
                    Xl = Convert.ToDouble(sheet.Cells["H23"].Value),
                    Yw = Convert.ToDouble(sheet.Cells["H24"].Value),
                    Zh = Convert.ToDouble(sheet.Cells["H25"].Value),
                    Length = Convert.ToDouble(sheet.Cells["H26"].Value),
                    Width = Convert.ToDouble(sheet.Cells["H27"].Value),
                    Thickness = Convert.ToDouble(sheet.Cells["H28"].Value),
                };

                if (run1.Zh < run2.Zh)
                {
                    Landing.RelativeElevation = run1.Height;
                    run1.RelativeBaseElevation = 0;
                    run1.RelativeTopELevation = run1.Height;
                    run2.RelativeBaseElevation = Landing.RelativeElevation;
                    run2.RelativeTopELevation = Landing.RelativeElevation + run2.Height;
                }
                else
                {
                    Landing.RelativeElevation = run2.Height;
                    run2.RelativeBaseElevation = 0;
                    run2.RelativeTopELevation = run2.Height;
                    run1.RelativeBaseElevation = Landing.RelativeElevation;
                    run1.RelativeTopELevation = Landing.RelativeElevation + run1.Height;
                }
                TopElevation = getTopElevation(run1, run2);
                BaseElevation = getBaseElevationn(run1, run2);
            }
        }
        public List<RevitStairsRun> Runs;
        public RevitStairsLanding Landing;
        public double TopElevation;
        public double BaseElevation;
        public int GetNumberOfRisers(List<RevitStairsRun> runs)
        {
            int num = 0;
            foreach (var run in runs)
            {
                num += run.NumberOfRisers;
            }
            return num;
        }
        /// <summary>
        /// 顶部偏移
        /// </summary>
        private double getTopElevation(RevitStairsRun run1, RevitStairsRun run2)
        {
            if (run1.Zh > run2.Zh)
            {
                return (run1.Zh * 1000 + run1.Height) / 304.8;
            }
            else
            {
                return (run2.Zh * 1000 + run2.Height) / 304.8;
            }
        }
        /// <summary>
        /// 底部偏移
        /// </summary>
        private double getBaseElevationn(RevitStairsRun run1, RevitStairsRun run2)
        {
            if (run1.Zh > run2.Zh)
            {
                return run2.Zh * 1000 / 304.8;
            }
            else
            {
                return run1.Zh * 1000 / 304.8;
            }
        }
        public double ThreadDepth { get; private set; }
    }
    class RevitStairsRun : RevitComponent
    {
        /// <summary>
        /// Revit中的定位点
        /// </summary>
        public XYZ rOrigin => new XYZ(Xl, Yw, RelativeBaseElevation / 1000) * 1000 / 304.8;

        public double Radians => Math.PI / 180 * DegreesWithXAxis;
        public XYZ rDirection => new XYZ(Math.Cos(Radians), Math.Sin(Radians), 0);

        public XYZ rEndPoint => rOrigin + rDirection * Length / 304.8;

        /// <summary>
        /// 踢面数
        /// </summary>
        public int NumberOfRisers { get; set; }

        /// <summary>
        /// 梯段宽度
        /// </summary>
        public double Width { get; set; }
        /// <summary>
        /// 梯段长度
        /// </summary>

        public double Length { get; set; }
        /// <summary>
        /// 楼梯高度
        /// </summary>
        public double Height { get; set; }

        /// <summary>
        /// 梯段厚度
        /// </summary>
        public double Thickness { get; set; }

        public Line LocationLine => Line.CreateBound(rOrigin, rEndPoint);

        public double RelativeBaseElevation { get; set; }

        public double RelativeTopELevation { get; set; }
    }
    class RevitStairsLanding : RevitComponent
    {

        /// <summary>
        /// 平台板厚度
        /// </summary>
        public double Thickness { get; set; }
        /// <summary>
        /// 平台板长度
        /// </summary>
        public double Length { get; set; }
        /// <summary>
        /// 平台板宽度
        /// </summary>
        public double Width { get; set; }
        /// <summary>
        /// 相对基准平台高程
        /// </summary>
        public double RelativeElevation { get; set; }

        public CurveLoop GetCurves()
        {
            CurveLoop landingLoop = new CurveLoop();
            XYZ p1 = new XYZ(Xl * 1000, Yw * 1000 - Width / 2, 0) / 304.8;
            XYZ p2 = new XYZ(Xl * 1000, Yw * 1000 + Width / 2, 0) / 304.8;
            XYZ p3 = new XYZ(Xl * 1000 + Length, Yw * 1000 + Width / 2, 0) / 304.8;
            XYZ p4 = new XYZ(Xl * 1000 + Length, Yw * 1000 - Width / 2, 0) / 304.8;

            Line curve_1 = Line.CreateBound(p1, p2);
            Line curve_2 = Line.CreateBound(p2, p3);
            Line curve_3 = Line.CreateBound(p3, p4);
            Line curve_4 = Line.CreateBound(p4, p1);

            landingLoop.Append(curve_1);
            landingLoop.Append(curve_2);
            landingLoop.Append(curve_3);
            landingLoop.Append(curve_4);
            return landingLoop;
        }
    }
}