using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Aspose.Cells.Drawing;
using JNPF.Common.Contracts;
using JNPF.Common.Enums;
using JNPF.Common.Extension;
using JNPF.Common.Security;
using JNPF.DependencyInjection;
using JNPF.DynamicApiController;
using JNPF.Extras.CollectiveOAuth.Config;
using JNPF.FriendlyException;
using Mapster;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.CodeAnalysis;
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.Entities.Dto;
using Tnb.WarehouseMgr.Entities.Enums;
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>
        /// 库房业务，入库、出库申请新增修改功能
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task ApplyFor(InOutStockApplyforUpInput input)
        {
            // bill_line,location_id,delivery_date,carry_id,carry_code
            if (input == null) throw new ArgumentNullException("input");
            var isOk = false;
            switch (input.inoutStockType)
            {
                case EnumInOutStockType.In:
                    var wmsInstockD = input.Adapt<WmsInstockD>();
                    var wmsInstockCodes = input.InstockCodes.Adapt<List<WmsInstockCode>>();
                    wmsInstockCodes.ForEach(x =>
                    {
                        if (x.id.IsNullOrWhiteSpace())
                        {
                            x.id = SnowflakeIdHelper.NextId();
                        }
                    });
                    isOk = await _update<WmsInstockD, WmsInstockCode>(wmsInstockD, wmsInstockCodes);
                    break;
                case EnumInOutStockType.Out:
                    var wmsOutstockD = input.Adapt<WmsOutstockD>();
                    var wmsOutstockCodes = input.InstockCodes.Adapt<List<WmsOutstockCode>>();
                    wmsOutstockCodes.ForEach(x =>
                    {
                        if (x.id.IsNullOrWhiteSpace())
                        {
                            x.id = SnowflakeIdHelper.NextId();
                        }
                    });
                    isOk = await _update<WmsOutstockD, WmsOutstockCode>(wmsOutstockD, wmsOutstockCodes);
                    break;
            }
            if (!isOk) throw Oops.Oh(ErrorCode.COM1001);
        }
        /// <summary>
        /// 根据明细Id获取出入库明细信息
        /// </summary>
        /// <param name="billDId"></param>
        /// <returns></returns>
        [HttpGet]
        public async Task<dynamic> GetInOutStockCodesById([FromQuery] InOutStockDetailQuery input)
        {
            dynamic result = null;
            switch (input.inoutStockType)
            {
                case EnumInOutStockType.In:
                    result = await _db.Queryable<WmsInstockD>()
                        .Where(a => a.id == input.bill_d_id)
                        .Select(a => new InStockDetailOutput
                        {
                            bill_id = a.id,
                            unit_id = a.unit_id,
                            code_batch = a.code_batch,
                            warehouse_id = a.warehouse_id,
                            line_status = a.line_status,
                            reason = a.reason,
                            pr_qty = a.pr_qty,
                            qty = a.qty,
                            price = a.price,
                            tax_price = a.tax_price,
                            print_qty = a.print_qty,
                            scan_qty = a.scan_qty,
                            CodeDetails = SqlFunc.Subqueryable<WmsInstockCode>().Where(it => it.bill_d_id == a.id).ToList(),
                        }).ToListAsync();

                    break;
                case EnumInOutStockType.Out:
                    result = await _db.Queryable<WmsOutstockCode>().Where(it => it.bill_d_id == input.bill_d_id).ToListAsync();
                    break;
            }
            return result;
        }

        private async Task<bool> _update<T1, T2>(T1 entity, List<T2> entities) where T1 : BaseEntity<string>, new() where T2 : BaseEntity<string>, new()
        {
            var isOk = false;
            try
            {
                await _db.Ado.BeginTranAsync();
                isOk = await _db.Updateable(entity).ExecuteCommandHasChangeAsync();
                isOk = await _db.Updateable(entities).ExecuteCommandHasChangeAsync();
                await _db.Ado.CommitTranAsync();
            }
            catch (Exception)
            {
                await _db.Ado.RollbackTranAsync();
            }
            return isOk;
        }

        /// <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];
            }
        }
    }
}