/*
 *所有关于base_device类的业务代码应在此处编写
*可使用repository.调用常用方法，获取EF/Dapper等信息
*如果需要事务请使用repository.DbContextBeginTransaction
*也可使用DBServerProvider.手动获取数据库相关信息
*用户信息、权限、角色等使用UserContext.Current操作
*base_deviceService对增、删、改查、导入、导出、审核业务代码扩展参照ServiceFunFilter
*/
using VolPro.Core.BaseProvider;
using VolPro.Core.Extensions.AutofacManager;
using VolPro.Entity.DomainModels;
using System.Linq;
using VolPro.Core.Utilities;
using System.Linq.Expressions;
using VolPro.Core.Extensions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Http;
using Warehouse.IRepositories;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Warehouse.Services
{
    public partial class base_deviceService
    {
        private readonly IHttpContextAccessor _httpContextAccessor;
        private readonly Ibase_deviceRepository _repository;//访问数据库

        [ActivatorUtilitiesConstructor]
        public base_deviceService(
            Ibase_deviceRepository dbRepository,
            IHttpContextAccessor httpContextAccessor
            )
        : base(dbRepository)
        {
            _httpContextAccessor = httpContextAccessor;
            _repository = dbRepository;
            //多租户会用到这init代码，其他情况可以不用
            //base.Init(dbRepository);
        }

        /// <summary>
        /// 获取指定网关节点下的顶层设备列表（用于网关注册时返回所管设备）。
        /// 返回 ParentDeviceId 为 null 的设备。
        /// </summary>
        public async Task<List<base_device>> GetDevicesByGatewayNodeAsync(int gatewayNodeId)
        {
            return await _repository.DbContext.Queryable<base_device>()
                .Where(x => x.NodeId == gatewayNodeId && x.ParentDeviceId == null)
                .ToListAsync();
        }

        /// <summary>
        /// 按字段分治原则 Upsert 单个设备。
        /// 首次入库时写全量（管理员字段），已有记录时仅更新网关字段（IsOnline/ExtraData等）。
        /// </summary>
        /// <param name="d">同步设备条目</param>
        /// <param name="gatewayNodeId">网关节点ID</param>
        /// <param name="existingIds">已有设备映射表 (AdapterCode, SourceId) → DeviceId</param>
        [Obsolete("已迁移至 gateway_nodesService.SyncDevicesAsync")]
    public async Task UpsertDeviceAsync(SyncDeviceItem d, int gatewayNodeId, Dictionary<(string, string), int> existingIds)
        {
            var db = _repository.DbContext;
            var key = (d.AdapterCode, d.SourceId);
            existingIds.TryGetValue(key, out var existingId);
            bool isNew = existingId == 0;

            // 解析父设备
            int? parentDeviceId = null;
            if (!string.IsNullOrEmpty(d.ParentSourceId))
            {
                existingIds.TryGetValue((d.AdapterCode, d.ParentSourceId), out var pid);
                if (pid > 0) parentDeviceId = pid;
            }

            if (isNew)
            {
                var entity = new base_device
                {
                    DeviceName = d.Name ?? $"DEV_{d.SourceId}",
                    AdapterCode = d.AdapterCode,
                    SourceId = d.SourceId,
                    DeviceCategory = d.Category,
                    DeviceGroup = d.Group,
                    NodeId = gatewayNodeId,
                    IsParent = d.IsParent ? "是" : "否",
                    ParentDeviceId = parentDeviceId,
                    IsOnline = d.IsOnline ? "在线" : "离线",
                    IpAddress = d.IpAddress,
                    Port = d.Port,
                    ExtraData = d.ExtraDataJson,
                    Enable = "启用",
                    LastSyncTime = DateTime.Now,
                    CreateDate = DateTime.Now
                };
                db.Insertable(entity).ExecuteCommand();
            }
            else
            {
                var entity = db.Queryable<base_device>().InSingle(existingId);
                if (entity != null)
                {
                    entity.IsOnline = d.IsOnline ? "在线" : "离线";
                    entity.IsParent = d.IsParent ? "是" : "否";
                    entity.ParentDeviceId = parentDeviceId ?? entity.ParentDeviceId;
                    entity.IpAddress = d.IpAddress;
                    entity.Port = d.Port;
                    entity.ExtraData = d.ExtraDataJson ?? entity.ExtraData;
                    entity.LastSyncTime = DateTime.Now;
                    db.Updateable(entity).ExecuteCommand();
                }
            }
        }
    }
}