/*
 *所有关于iot_alarm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
*iot_alarmService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.Threading.Tasks;

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

        [ActivatorUtilitiesConstructor]
        public iot_alarmService(
            Iiot_alarmRepository 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>
        /// Upsert 单条告警。按 SourceAlarmId 去重，已存在则跳过。
        /// </summary>
        public async Task UpsertAlarmAsync(SyncAlarmItem a, int? deviceId)
        {
            var db = _repository.DbContext;

            // SourceAlarmId 去重
            var exists = db.Queryable<iot_alarm>()
                .Any(x => x.SourceAlarmId == a.SourceAlarmId);
            if (exists) return;

            var alarm = new iot_alarm
            {
                SourceAlarmId = a.SourceAlarmId,
                DeviceId = (int)deviceId,
                AdapterCode = a.AdapterCode,
                AlarmLevel = a.Level,
                AlarmDesc = a.Desc,
                AlarmValue = (decimal?)a.Value,
                StartTime = DateTime.TryParse(a.StartTime, out var st) ? st : DateTime.Now,
                State = "未确认",
                CreateDate = DateTime.Now
            };
            db.Insertable(alarm).ExecuteCommand();
        }
    }

    /// <summary>告警同步条目（A4 接口接收的数据模型）</summary>
    public class SyncAlarmItem
    {
        public string SourceAlarmId { get; set; } = "";
        public string DeviceSourceId { get; set; } = "";
        public string AdapterCode { get; set; } = "";
        public string Level { get; set; } = "";
        public string Desc { get; set; } = "";
        public double? Value { get; set; }
        public string StartTime { get; set; } = "";
    }
}