using ExportMap.cs;
using ExportMap.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;

namespace ExportMap.Controllers
{
    public class ConvertController : ApiController
    {
        [HttpGet]
        public string Test()
        {
            //string cnName = "8-瑞丽站0.05m.cpt".Substring(0, "8-瑞丽站0.05m.cpt".LastIndexOf("."));
            //return Tools.GetLocalIP();
            //return Tools.GetEPSG("D:\\Moon\\data\\dem_tif\\ldem.tif");
            //TerrainUtils.Reproject("D:/xyz/dem/dem/32a.tif", "D:/xyz/dem/dem/32a_4326_.tif", "EPSG:4528", "EPSG:4326");
            //TerrainUtils.Project("D:/xyz/dem/dem/32a_4326_.tif", "EPSG:4490");
            //string wkt = TerrainUtils.GetPointZ(new XYZArgs() { dircode = "0B" });
            //PyLasUtils.CsTransform("EPSG:4528", 400925.079, 2541768.173);
            //string json = PyLasUtils.GetLasGeomJSON(@"D:\LF\data\las\1_lfz_0.05m.las", 1314);
            TerrainUtils.Complement(new XYZArgs() { dircode = "00" });

            return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
        }

        /// <summary>
        /// 转换Tileset
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToTileset([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args);
                if (null != msg) return msg;

                List<int> rs = ConvertUtils.Convert(args);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail("失败");
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 转换瓦片
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToTiles([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args, true);
                if (null != msg) return msg;

                checkMinMax(args, true);

                string err = null;
                List<int> rs = XYZUtils.Generate(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 转换瓦片
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToSG([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args);
                if (null != msg) return msg;

                string err = null;
                SGUtils utils = new SGUtils();
                List<int> rs = utils.Release(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 转换地形
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToTerra([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args, true);
                if (null != msg) return msg;

                checkMinMax(args);

                string err = null;
                //List<int> rs = TerraUtils.Generate(args, ref err);
                List<int> rs = TerrainUtils.Generate(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 转换LAS
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToLas([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args);
                if (null != msg) return msg;

                if (args.srids.Count != args.ids.Count) return ResponseMsg<string>.fail("坐标系ID集合与元数据ID集合长度不一致");
                if (args.zs.Count != args.ids.Count) return ResponseMsg<string>.fail("高度偏移量集合与元数据ID集合长度不一致");

                string err = null;
                List<int> rs = LasUtils.Generate(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 转换OSGB
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToOsgb([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args);
                if (null != msg) return msg;

                if (args.zs.Count != args.ids.Count) return ResponseMsg<string>.fail("高度偏移量集合与元数据ID集合长度不一致");

                string err = null;
                List<int> rs = OsgbUtils.Generate(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 读取Las坐标系
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ReadLasCs([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args, true);
                if (null != msg) return msg;

                string err = null;
                List<int> rs = LasUtils.ReadLasCs(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// Py转换LAS
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> ToLasByPy([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args);
                if (null != msg) return msg;

                //if (args.srids.Count != args.ids.Count) return ResponseMsg<string>.fail("坐标系ID集合与元数据ID集合长度不一致");
                //if (args.zs.Count != args.ids.Count) return ResponseMsg<string>.fail("高度偏移量集合与元数据ID集合长度不一致");

                string err = null;
                List<int> rs = PyLasUtils.Generate(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 删除文件
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> DeleteFiles([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args, true);
                if (null != msg) return msg;

                string err = null;
                List<int> rs = CommonUtils.DeleteFiles(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }
        }

        /// <summary>
        /// 删除任务
        /// </summary>
        [HttpPost]
        public ResponseMsg<string> DeleteTask([FromBody]XYZArgs args)
        {
            try
            {
                ResponseMsg<string> msg = checkArgs(args, true);
                if (null != msg) return msg;

                string err = null;
                List<int> rs = CommonUtils.DeleteTask(args, ref err);
                if (null == rs || rs.Count == 0)
                {
                    return ResponseMsg<string>.fail(null == err ? "失败" : err);
                }

                return ResponseMsg<string>.success("成功", string.Join(",", rs), rs.Count);
            }
            catch (Exception ex)
            {
                LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
                return ResponseMsg<string>.fail(ex.Message);
            }

        }

        [HttpGet]
        public string GetRasterEPSG(int id)
        {
            SysMeta meta = XYZUtils.SelectMeta(id);
            if (null == meta || string.IsNullOrEmpty(meta.path)) return null;

            string file = Path.Combine(Tools.GetSetting("uploadFolder"), meta.path);
            if (!File.Exists(file)) return null;

            return Tools.GetEPSG(file);
        }

        /// <summary>
        /// 检查参数
        /// </summary>
        private ResponseMsg<string> checkArgs(XYZArgs args, bool checkDir = false)
        {
            if (null == args || null == args.ids || args.ids.Count == 0)
            {
                return ResponseMsg<string>.fail("请输入元数据ID");
            }
            if (string.IsNullOrWhiteSpace(args.token))
            {
                return ResponseMsg<string>.fail("没有令牌");
            }
            if (!ExportUtil.VerifyToken(args.token))
            {
                return ResponseMsg<string>.fail("令牌无效");
            }
            if (checkDir && string.IsNullOrWhiteSpace(args.dircode))
            {
                return ResponseMsg<string>.fail("目录代码不能为空");
            }

            return null;
        }

        /// <summary>
        /// 检查最大最小值
        /// </summary>
        private void checkMinMax(XYZArgs args, bool checkNoData = false)
        {
            if (args.min < 0) args.min = 0;
            if (args.min > 22) args.min = 22;
            if (args.max < 0) args.max = 0;
            if (args.max > 22) args.max = 22;
            if (args.min > args.max)
            {
                int tmp = args.min;
                args.min = args.max;
                args.max = tmp;
            }

            if (checkNoData)
            {
                if (args.noData < 0) args.noData = 0;
                if (args.noData > 255) args.noData = 255;
            }
        }
    }
}