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

namespace Dlhis.Basic.Device.Services.Implements;

public class DeviceTemplateService : IDeviceTemplateService
{
    private readonly IDbContext _dbContext;

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


    public async Task<Pagination<DeviceTemplateResponse>> GetPageAsync(DeviceTemplatePageRequest request)
    {
        var page = await _dbContext.Queryable<DeviceTemplateEntity>()
            .Select<DeviceTemplateResponse>()
            .ToPageListAsync(request);

        return page;
    }

    public async Task SaveTemplateAsync(DeviceTemplateSaveRequest request)
    {
        CheckJsonFormat(request.Template);
        await CheckDuplicateAsync(request);

        if (!request.Id.HasValue)
        {
            var entity = request.Adapt<DeviceTemplateEntity>();
            entity.Code = Guid.NewGuid();
            await _dbContext.InsertAsync(entity);
        }
        else
        {
            var entity = await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => x.Id == request.Id).FirstAsync();
            await ExistsDeviceUsingTemplateAsync(entity.Code);
            request.Adapt(entity);
            await _dbContext.UpdateAsync(entity);
        }
    }

    //**********************************************************************************************************/


    /// <summary>
    /// 模板被引用,不能修改
    /// </summary>
    /// <param name="templateCode"></param>
    /// <returns></returns>
    private async Task ExistsDeviceUsingTemplateAsync(Guid templateCode)
    {
        var existsUsing = await _dbContext.Queryable<DeviceEntity>().Where(x => x.TemplateCode == templateCode).AnyAsync();
        existsUsing.ThrowIfTrue("存在使用中的设备信息,无法修改");
    }

    private async Task CheckDuplicateAsync(DeviceTemplateSaveRequest request)
    {
        var duplicate = await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => x.Brand == request.Brand && x.Name == request.Name)
                .WhereIF(request.Id.HasValue, x => x.Id != request.Id)
                .AnyAsync();

        duplicate.ThrowIfTrue("品牌和型号重复");
    }

    private static void CheckJsonFormat(string template)
    {
        try
        {
            var jobj = JObject.Parse(template);
            (jobj.Count == 0).ThrowIfTrue("模板至少需要一个参数");
        }
        catch (Exception ex) when (ex is JsonReaderException)
        {
            throw new UserFriendlyException("模板格式有误");
        }
        catch (Exception)
        {
            throw;
        }
    }
}