using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Models;
using System.Data.SqlClient;
using System.Data;

namespace DAL
{
    /// <summary>
    /// 系统功能数据访问类
    /// </summary>
    public class SystemFunctionService
    {
        /// <summary>
        /// 查询所有
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回集合</returns>
        List<SystemFunction> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<SystemFunction>.excuteSql(new SystemFunction(), "SystemFunction", sql, CommandType.Text, param);
        }


        /// <summary>
        /// 获取单个对象
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回空或者单个对象</returns>
        SystemFunction excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<SystemFunction> systemFunctionList = excuteSql(sql, param);
            //判断集合是否为空
            if (systemFunctionList == null || systemFunctionList.Count == 0)
                //返回null
                return null;
            //返回单个对象
            return systemFunctionList[0];
        }


        /// <summary>
        /// 根据编号查询对象信息
        /// </summary>
        /// <param name="id">对象编号</param>
        /// <returns>返回空或者单个对象信息</returns>
        public SystemFunction GetSystemFunctionByID(int id)
        {
            //调用获取单个对象的方法
            return excuteType("select * from SystemFunction where Id = @id", new SqlParameter("@id", id));
        }

        /// <summary>
        /// 查询全部
        /// </summary>
        /// <returns></returns>
        public List<SystemFunction> GetAll()
        {
            return excuteSql("select * from SystemFunction order by Id asc");
        }

        /// <summary>
        /// 查询全部
        /// </summary>
        /// <param name="IsEnable"></param>
        /// <returns></returns>
        public List<SystemFunction> GetAll(int isEnable)
        {
            return excuteSql("select * from SystemFunction where IsEnable = @isEnable order by Id asc", new SqlParameter("@isEnable", isEnable));
        }

        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="sdt">对象</param>
        public bool AddSystemFunction(SystemFunction sf)
        {
            string sql = "insert into SystemFunction values(@Name,@Code,@Remark,@IsEnable)";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Name",sf.Name),
                new SqlParameter("@Code",sf.Code),
                new SqlParameter("@Remark",sf.Remark),
                new SqlParameter("@IsEnable",sf.IsEnable)
            };

            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="sdt"></param>
        /// <returns></returns>
        public bool EditSystemFunction(SystemFunction sf)
        {
            string sql = "update SystemFunction set Name = @Name,Code = @Code,Remark = @Remark,IsEnable = @IsEnable where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[] { 
                new SqlParameter("@Name",sf.Name),
                new SqlParameter("@Code",sf.Code),
                new SqlParameter("@Remark",sf.Remark),
                new SqlParameter("@IsEnable",sf.IsEnable),
                new SqlParameter("@Id",sf.Id)
            };

            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 更新状态
        /// </summary>
        /// <param name="isEnable"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public bool UpdateState(int isEnable, int id)
        {
            if (SqlHelper.ExecuteNonQuery("update SystemFunction set IsEnable = @IsEnable where Id = @Id", CommandType.Text, new SqlParameter("@IsEnable", isEnable), new SqlParameter("@Id", id)) > 0)
                return true;
            return false;
        }
    }
}