using LY.App.Common;
using LY.App.Extensions.DI;
using LY.App.Model;
using Mapster;
using Microsoft.AspNetCore.Http;
using NetTopologySuite.Geometries;
using NetTopologySuite.GeometriesGraph;
using SqlSugar;
using System.Xml.Schema;

namespace LY.App.Service
{
    /// <summary>
    /// 阵地服务
    /// </summary>
    [ServiceInjection(InjectionType.Transient)]
    public class PositionService
    {
        private readonly SqlSugarClient _db;
        public PositionService(SqlSugarClient db)
        {
            _db = db;
        }
        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> MainAdd(AddPosition input)
        {
            var entity = input.Adapt<PositionInfo>();
            entity.CreateTime = DateTime.Now;
            //名称重复判断
            var isNameExist = await _db.Queryable<PositionInfo>().CountAsync(a => a.Name == input.Name && a.IsDeleted != true);
            if (isNameExist > 0)
            {
                return new ApiResult(false, "名称已存在");
            }
            if (!string.IsNullOrWhiteSpace(entity.RegionJson))
            {
                if (GeoJsonHelper.TryGetGeomWKTFromGeoJson(entity.RegionJson, out MultiPolygon geo))
                {
                    entity.SetRegion(geo);
                }
                else
                {
                    return new ApiResult(false, "空间数据无效");
                }
            }
            // 位置
            entity.SetLocation();
            await _db.Insertable(entity).ExecuteReturnSnowflakeIdAsync();
            return new ApiResult(true, "添加成功");
        }
        public async Task<ApiResult> Update(UpdatePosition input)
        {
            var entity = input.Adapt<PositionInfo>();
            await _db.Queryable<PositionInfo>().FirstAsync(a => a.Id == input.Id && a.IsDeleted != true);
            if (entity != null)
            {
                if (!string.IsNullOrWhiteSpace(entity.RegionJson))
                {
                    if (GeoJsonHelper.TryGetGeomWKTFromGeoJson(entity.RegionJson, out MultiPolygon geo))
                    {
                        entity.SetRegion(geo);
                    }
                    else
                    {
                        return new ApiResult(false, "空间数据无效");
                    }
                }
                // 位置
                entity.SetLocation();
                await _db.Updateable(entity).ExecuteCommandAsync();
                return new ApiResult(true, "添加成功");
            }
            return new ApiResult(false, "未找到要更新的对象");
        }
        /// <summary>
        ///     
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<ApiResult> Delete(long id)
        {
            var entity = await _db.Queryable<PositionInfo>().FirstAsync(a => a.Id == id && a.IsDeleted != true);
            if (entity != null)
            {
                entity.IsDeleted = true;
                await _db.Updateable(entity).ExecuteCommandAsync();
                return new ApiResult(true, "删除成功");
            }
            return new ApiResult(false, "未找到要删除的对象");
        }
        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<ApiResult> Get(int id)
        {
            var entity = await _db.Queryable<PositionInfo>().FirstAsync(a => a.Id == id && a.IsDeleted != true);
            if (entity != null)
            {
                return new ApiResult() { data = entity };
            }
            return new ApiResult(false, "未找到要获取的对象");
        }
        /// <summary>
        /// 获取列表
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> GetList(PositionQueryInput input)
        {
            var query = _db.Queryable<PositionInfo>()
               .Where(a => a.IsDeleted != true)
               .WhereIF(!string.IsNullOrWhiteSpace(input.Name), a => a.Name.Contains(input.Name))
               .OrderBy(a => a.Id, OrderByType.Desc);
            var result = await query.ToPageListAsync(input.pageNum, input.pageSize);
            return new ApiResult()
            {
                data = new
                {
                    items = result,
                    totalCount = query.Count()
                }
            };
        }

        /// <summary>
        /// 首页数据
        /// </summary>
        /// <returns></returns>
        public async Task<List<PositionDeviceDto>> Index()
        {
            var query = await _db.Queryable<PositionInfo>()
               .Where(a => a.IsDeleted != true).ToListAsync();
            var positionIds = query.Select(s => s.Id).ToList();
            var deviceList = await _db.Queryable<DeviceEntity>()
           .Where(s => positionIds.Contains(s.PositionId))
           .Where(s => s.IsDeleted == false)
           .ToListAsync();
            List<PositionDeviceDto> result = query.Adapt<List<PositionDeviceDto>>();
            foreach (var item in result)
            {
                item.Devices = deviceList.Where(s => s.PositionId == item.Id).ToList()?.Adapt<List<DeviceItem>>() ?? new List<DeviceItem>();
            }
            return result;
        }
    }
}