using Dlhis.Basic.Device.Request;
using Dlhis.Basic.Device.Response;
using Dlhis.Entity.Basic.Entity;
using Dlhis.Entity.Device.Entities;
using Kurisu.AspNetCore.UnifyResultAndValidation;
using Kurisu.AspNetCore.Utils.Extensions;
using Kurisu.Core.DataAccess.Dto;
using Kurisu.SqlSugar.Attributes;
using Kurisu.SqlSugar.Extensions;
using Kurisu.SqlSugar.Services;
using Mapster;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Dlhis.Basic.Device.Services.Implements;

public class DeviceService : IDeviceService
{
    private readonly IDbContext _dbContext;

    public DeviceService(IDbContext dbContext)
    {
        _dbContext = dbContext;
    }

    public async Task<Pagination<DeviceResponse>> GetPageAsync(DevicePageRequest request)
    {
        var page = await _dbContext.Queryable<DeviceEntity>()
               .Select(device => new DeviceResponse
               {
                   FuncsStr = device.Funcs.ToString()

               }, true)
               .ToPageListAsync(request);

        return page;
    }

    [Transactional]
    public async Task SaveAsync(DeviceSaveRequest request)
    {
        await CheckUniqueNoExistsAsync(request);
        var template = await CheckTemplateExistsAsync(request.TemplateCode);
        await CheckTemplateFieldAsync(request.TemplateCode, request.ConnectionInfo);

        if (!request.Id.HasValue)
        {
            var entity = request.Adapt<DeviceEntity>();
            entity.Code = Guid.NewGuid();
            entity.Brand = template.Brand;
            await _dbContext.InsertAsync(entity);
            //同时保存注册信息
            var registry = await _dbContext.Queryable<DeviceRegistryEntity>().Where(x => x.DeviceUniqueNo == request.UniqueNo).FirstAsync();
            if (registry == null)
            {
                registry = new DeviceRegistryEntity()
                {
                    DeviceUniqueNo = request.UniqueNo,
                    LastHeartbeatTime = DateTime.Now,
                    RegisterTime = DateTime.Now,
                    BusinessPlaceCode = null,
                    BusinessPlaceCustomCode = null,
                };

                await _dbContext.InsertAsync(registry);
            }
        }
        else
        {
            var entity = await _dbContext.Queryable<DeviceEntity>().Where(x => x.Id == request.Id).FirstAsync();
            entity.ThrowIfNull("设备不存在,无法更新");

            request.Adapt(entity);
            entity.Brand = template.Brand;

            await _dbContext.UpdateAsync(entity);
        }
    }

    //******************************************************** help methods **********************************************************

    /// <summary>
    /// 检查设备模板是否存在
    /// </summary>
    /// <param name="templateCode"></param>
    /// <returns></returns>
    private async Task<DeviceTemplateEntity> CheckTemplateExistsAsync(Guid templateCode)
    {
        var entity = await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => x.Code == templateCode).FirstAsync();
        entity.ThrowIfNull("设备模板不存在");

        return entity;
    }

    /// <summary>
    /// 检查设备连接参数是否与模板设定一致
    /// </summary>
    /// <param name="templateCode"></param>
    /// <param name="jsonContent"></param>
    /// <returns></returns>
    private async Task CheckTemplateFieldAsync(Guid templateCode, string jsonContent)
    {
        var template = await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => x.Code == templateCode).FirstAsync();
        template.ThrowIfNull("设备模板不存在");

        try
        {
            var templateJobj = JObject.Parse(template.Template);
            var jobj = JObject.Parse(jsonContent);
            (templateJobj.Count == jobj.Count).ThrowIfFalse("连接参数字段数不一致");

            foreach (var item in templateJobj)
            {
                jobj.ContainsKey(item.Key).ThrowIfFalse($"设备连接参数需要和模板一致.缺失{item.Key}");
            }
        }
        catch (Exception ex) when (ex is JsonReaderException)
        {
            throw new UserFriendlyException("连接信息参数格式不正确");
        }
        catch (Exception)
        {
            throw;
        }
    }

    /// <summary>
    /// 检查唯一号是否存在
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    private async Task CheckUniqueNoExistsAsync(DeviceSaveRequest request)
    {
        var exists = await _dbContext.Queryable<DeviceEntity>().Where(x => x.UniqueNo == request.UniqueNo)
              .WhereIF(request.Id.HasValue, x => x.Id != request.Id)
              .AnyAsync();

        exists.ThrowIfTrue("唯一号已经存在");
    }

    [IgnoreTenant]
    public async Task<bool> CheckExistsAsync(string deviceUniqueNo)
    {
        return await _dbContext.Queryable<DeviceEntity>()
            .Where(x => x.UniqueNo == deviceUniqueNo && x.Enable)
            .AnyAsync();
    }

    /// <summary>
    /// 获取设备
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<Pagination<DeviceResponse>> GetDeviceByNoAsync(DevicePageRequest request)
    {
        var page = await _dbContext.Queryable<DeviceEntity>()
            .Where(x=>x.UniqueNo == request.UniqueNo)
               .Select(device => new DeviceResponse
               {
                   FuncsStr = device.Funcs.ToString()

               }, true)
               .ToPageListAsync(request);

        return page;
    }

    public Task<List<DeviceResponse>> GetAttendanceDevicesAsync()
    {
        throw new NotImplementedException();
    }
}