using Infrastructure.Attribute;
using ZR.Model;
using ZR.Model.Business;
using ZR.Model.Business.Dto;
using ZR.Repository;
using ZR.Service.Business.IBusinessService;

namespace ZR.Service.Business
{
    /// <summary>
    /// 审计日志Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IOdfAuditLogsService), ServiceLifetime = LifeTime.Transient)]
    public class OdfAuditLogsService : BaseService<OdfAuditLogs>, IOdfAuditLogsService
    {
        /// <summary>
        /// 分页查询审计日志列表，支持时间范围、操作类型、表名筛选
        /// </summary>
        public PagedInfo<OdfAuditLogs> GetList(OdfAuditLogsQueryDto parm)
        {
            var predicate = Expressionable.Create<OdfAuditLogs>();

            predicate = predicate.AndIF(parm.BeginTime != null, it => it.OperationTime >= parm.BeginTime);
            predicate = predicate.AndIF(parm.EndTime != null, it => it.OperationTime <= parm.EndTime);
            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.OperationType), it => it.OperationType == parm.OperationType);
            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.TableName), it => it.TableName == parm.TableName);

            var total = 0;
            var list = Queryable()
                .Where(predicate.ToExpression())
                .OrderByDescending(it => it.OperationTime)
                .ToPageList(parm.PageNum, parm.PageSize, ref total);

            return new PagedInfo<OdfAuditLogs>
            {
                Result = list,
                TotalNum = total,
                PageIndex = parm.PageNum,
                PageSize = parm.PageSize
            };
        }

        /// <summary>
        /// 写入审计日志记录
        /// </summary>
        public int AddLog(OdfAuditLogs log)
        {
            log.OperationTime ??= DateTime.Now;
            return Insert(log);
        }
    }
}