using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Aspose.Cells.Drawing;
using JNPF.Common.Extension;
using JNPF.DependencyInjection;
using JNPF.DynamicApiController;
using JNPF.Extras.CollectiveOAuth.Config;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using NPOI.OpenXmlFormats.Wordprocessing;
using Polly.Timeout;
using Spire.Pdf.Widget;
using SqlSugar;
using Tnb.BasicData.Entities;
using Tnb.BasicData.Entities.Enums;
using Tnb.Common.Utils;
using Tnb.WarehouseMgr.Entities;
using Tnb.WarehouseMgr.Interfaces;

namespace Tnb.WarehouseMgr
{
    /// <summary>
    /// 库房业务类(出入库)
    /// </summary>
    [ApiDescriptionSettings(Tag = ModuleConsts.Tag, Area = ModuleConsts.Area, Order = 700)]
    [Route("api/[area]/[controller]/[action]")]
    public class WareHouseService : IWareHouseService, IDynamicApiController, ITransient
    {
        private readonly ISqlSugarClient _db;
        public WareHouseService(ISqlSugarRepository<WmsInstockH> repository)
        {
            _db = repository.AsSugarClient();
        }
        /// <summary>
        /// 根据载具Id带出库位、仓库信息
        /// </summary>
        /// <param name="carryId">载具id</param>
        /// <remarks>
        /// returns:
        /// <br/>{
        /// <br/>    carry_id:载具Id
        /// <br/>    carry_name:载具名称
        /// <br/>    location_id:库位Id 
        /// <br/>    location_name:库位名称
        /// <br/>    warehouse_id:库房Id
        /// <br/>    warehouse_name：库房名称
        /// <br/>}
        /// </remarks>
        [HttpGet]
        public async Task<dynamic> GetLocationAndWorkHouseByCarryId([FromRoute] string carryId)
        {
            var items = await _db.Queryable<WmsCarryH>().LeftJoin<BasLocation>((a, b) => a.location_id == b.id)
                                       .LeftJoin<BasWarehouse>((a, b, c) => b.wh_id == c.id)
                                       .Where(a => a.id == carryId)
                                       .Select((a, b, c) => new
                                       {
                                           carry_id = a.id,
                                           carry_name = a.carry_name,
                                           location_id = b.id,

                                           location_name = b.location_name,
                                           warehouse_id = c.id,
                                           warehouse_name = c.whname,
                                       })
                                       .ToListAsync();
            return items;
        }
        /// <summary>
        /// 获取载具信息(入库业务) 当前载具启用；未锁定；如果有库位信息，库位不能为存储库位，出库库位，分拣库位；
        /// </summary>
        /// <remarks>
        /// returns:
        /// <br/>{
        /// <br/>    carry_id:载具Id
        /// <br/>    carry_code:载具编号
        /// <br/>    carry_name:载具名称
        /// <br/>    location_id:库位id
        /// <br/>    location_code:库位编码
        /// <br/>    location_name:库位名称
        /// <br/>}
        /// </remarks>
        [HttpGet]
        public async Task<dynamic> GetCarryInfo()
        {
            var locationTypes = new[] { (int)EnumLocationType.存储库位, (int)EnumLocationType.出库库位, (int)EnumLocationType.分拣库位 };
            var items = await _db.Queryable<WmsCarryH>().LeftJoin<BasLocation>((a, b) => a.location_id == b.id)
                  .Where((a, b) => a.status == 0 && a.is_lock == 0 && !locationTypes.Contains(Convert.ToInt32(b.is_type)))
                  .Select((a, b) => new
                  {
                      carry_id = a.id,
                      carry_code = a.carry_code,
                      carry_name = a.carry_name,
                      location_id = b.id,
                      location_code = b.location_code,
                      location_name = b.location_name,
                  })
                  .ToListAsync();
            return items;
        }
        /// <summary>
        /// 获取库位信息(入库业务) 库位不能为存储库位，出库库位，分拣库位；未锁定
        /// </summary>
        /// <remarks>
        /// returns
        /// <br/>{
        /// <br/>    location_id:库位Id
        /// <br/>    location_code：库位编号
        /// <br/>    location_name:库位名称
        /// <br/>    layers:楼层
        /// <br/>}
        /// </remarks>
        [HttpGet]
        public async Task<dynamic> GetLocationInfo()
        {
            var locationTypes = new[] { (int)EnumLocationType.存储库位, (int)EnumLocationType.出库库位, (int)EnumLocationType.分拣库位 };
            var items = await _db.Queryable<BasLocation>().Where(it => it.is_lock == 0 && !locationTypes.Contains(Convert.ToInt32(it.is_type)))
                                                          .Select(it => new
                                                          {
                                                              location_id = it.id,
                                                              location_code = it.location_code,
                                                              location_name = it.location_name,
                                                              layers = it.layers,
                                                          })
                                                          .ToListAsync();
            return items;
        }
        /// <summary>
        /// 出库查询目标库位信息,覆盖过滤条件
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public async Task<dynamic> GetOutStoreDestLocation()
        {
            var locationTypes = new[] { (int)EnumLocationType.存储库位, (int)EnumLocationType.入库库位 };
            var items = await _db.Queryable<BasLocation>().Where(it => it.is_lock == 0 && !locationTypes.Contains(Convert.ToInt32(it.is_type)))
                                                          .Select(it => new
                                                          {
                                                              location_id = it.id,
                                                              location_code = it.location_code,
                                                          })
                                                          .ToListAsync();
            return items;
        }
        /// <summary>
        /// 出库申请-查询载具信息
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public async Task<dynamic> GetOutStoreLocation()
        {
            var items = await _db.Queryable<WmsCarryH>().LeftJoin<BasLocation>((a, b) => a.location_id == b.id)
                  .Where((a, b) => a.status == 0 && a.is_lock == 0 && Convert.ToInt32(b.is_type) == (int)EnumLocationType.存储库位)
                  .Select((a, b) => new
                  {
                      carry_id = a.id,
                      carry_code = a.carry_code,
                      carry_name = a.carry_name,
                      location_id = b.id,
                      location_code = b.location_code,
                      location_name = b.location_name,
                  })
                  .ToListAsync();
            return items;
        }
        /// <summary>
        /// 路径算法
        /// </summary>
        /// <param name="pStartId"></param>
        /// <param name="pEndId"></param>
        /// <returns></returns>
        [HttpGet]
        public async Task PathAlgorithms(string pStartId, string pEndId)
        {
            var roads = await _db.Queryable<WmsRoad>().ToListAsync();
            await LocPathCalcAlgorithms(pStartId, pEndId, roads);
        }
        private async Task LocPathCalcAlgorithms(string pStartId, string pEndId, List<WmsRoad> roads)
        {
            var points = await _db.Queryable<WmsPointH>().ToListAsync();
            var startObj = points.Find(x => x.id == pStartId);
            var endObj = points.Find(x => x.id == pEndId);
            var sIndex = points.IndexOf(startObj);
            var eIndex = points.IndexOf(endObj);
            var vexs = points.Select(p => p.id).ToArray();
            EData[] edges = new EData[roads.Count];
            for (int i = 0; i < edges.Length; i++)
            {
                var start = roads[i].startpoint_id;
                var end = roads[i].endpoint_id;
                var weight = roads[i].distance;
                edges[i] = new EData(start, end, weight);
            }
            Dijkstra<WmsPointH> pG = new(vexs, edges);
            int[] prev = new int[pG.mVexs.Length];
            int[] dist = new int[pG.mVexs.Length];
            List<WmsPointH> vertexs = new() { startObj };
            pG.CalcDijkstra(sIndex, prev, dist);
            var pointIds = points.Select(p => p.id).ToList();
            List<string> result = new();
            GetPoints(pointIds, prev, result, eIndex);
            var shortestPathPoints = points.FindAll(x => result.Contains(x.id));
            shortestPathPoints.Add(points.Find(x => x.id == pStartId));
            List<WmsPointH> results = new() { startObj };
            var isVisited = shortestPathPoints.ToDictionary(x => x.id, x => false);
            isVisited[pStartId] = true;
            MatchPoint(results, roads, shortestPathPoints, isVisited, pStartId, pEndId);
            results.Add(endObj);
            string str = null;
        }
        /// <summary>
        /// 获取匹配的最短路径节点
        /// </summary>
        /// <param name="results"></param>
        /// <param name="roads"></param>
        /// <param name="shortestPathPoints"></param>
        /// <param name="isVisited"></param>
        /// <param name="pStartId"></param>
        /// <param name="pEndId"></param>
        private void MatchPoint(List<WmsPointH> results, List<WmsRoad> roads, List<WmsPointH> shortestPathPoints, Dictionary<string, bool> isVisited, string pStartId, string pEndId)
        {
            var sRoads = roads.Where(x => x.startpoint_id == pStartId).ToList();
            for (int j = 0; j < sRoads.Count; j++)
            {
                var sPoint = shortestPathPoints.Find(x => x.id == sRoads[j].endpoint_id);
                if (sPoint != null && isVisited.ContainsKey(sPoint.id) && !isVisited[sPoint.id] && sPoint.id != pEndId)
                {
                    var code = sPoint.point_code;
                    results.Add(sPoint);
                    isVisited[sPoint.id] = true;
                    MatchPoint(results, roads, shortestPathPoints, isVisited, sPoint.id, pEndId);
                }
            }
        }
        /// <summary>
        /// 根据终止节点获取最短路径顶点
        /// </summary>
        /// <param name="pointIds"></param>
        /// <param name="prev"></param>
        /// <param name="result"></param>
        /// <param name="eIdx"></param>
        private static void GetPoints(List<string> pointIds, int[] prev, List<string> result, int eIdx)
        {
            var index = eIdx;
            while (index != 0)
            {
                result.Add(pointIds[index]);
                index = prev[index];
            }
        }
    }
}