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

namespace DAL
{
    /// <summary>
    /// 系统菜单数据访问类
    /// </summary>
    public class SystemMenuService
    {
        /// <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<SystemMenu> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<SystemMenu>.excuteSql(new SystemMenu(), "SystemMenu", 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>
        SystemMenu excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<SystemMenu> SystemMenuList = excuteSql(sql, param);
            //判断集合是否为空
            if (SystemMenuList == null || SystemMenuList.Count == 0)
                //返回null
                return null;
            //返回单个对象
            return SystemMenuList[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 SystemMenu GetSystemMenuByID(int id)
        {
            //调用获取单个对象的方法
            return excuteType("select * from SystemMenu where Id = @id", new SqlParameter("@id", id));
        }

        /// <summary>
        /// 根据条件获取全部
        /// </summary>
        /// <param name="mid"></param>
        /// <returns></returns>
        public List<SystemMenu> GetAll(string mid)
        {
            string sql = "select * from SystemMenu where IsDel = 0";

            if (mid != "全部")
                sql += " and Mid = @Mid";

            sql += " order by id asc";

            return excuteSql(sql, new SqlParameter("@Mid", mid));
        }

        /// <summary>
        /// 根据条件获取全部
        /// </summary>
        /// <param name="pageName"></param>
        /// <returns></returns>
        public SystemMenu GetSystemMenuByPageName(string pageName)
        {
            string sql = "select * from SystemMenu where PageName = @PageName";
            return excuteType(sql, new SqlParameter("@PageName", pageName));
        }

        /// <summary>
        /// 根据条件获取全部
        /// </summary>
        /// <param name="mid"></param>
        /// <returns></returns>
        public List<SystemMenu> GetAll(string mid, int isEnable)
        {
            string sql = "select * from SystemMenu where IsDel = 0 and IsEnable = @IsEnable";

            if (mid != "全部")
                sql += " and Mid = @Mid";

            sql += " order by id asc";

            return excuteSql(sql, new SqlParameter("@IsEnable", isEnable), new SqlParameter("@Mid", mid));
        }

        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="sdt">对象</param>
        public bool AddSystemMenu(SystemMenu sm)
        {
            string sql = "insert into SystemMenu values(@Name,@ShowName,@PageName,@Mnid,@Ico,@Width,@Height,@IsEnable,@Mid,@IsShow,@IsDel)";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Name",sm.Name),
                new SqlParameter("@ShowName",sm.ShowName),
                new SqlParameter("@PageName",sm.PageName),
                new SqlParameter("@Mnid",sm.Mnid),
                new SqlParameter("@Ico",sm.Ico),
                new SqlParameter("@Width",sm.Width),
                new SqlParameter("@Height",sm.Height),
                new SqlParameter("@IsEnable",sm.IsEnable),
                new SqlParameter("@Mid",sm.Mid),
                new SqlParameter("@IsShow",sm.IsShow),
                new SqlParameter("@IsDel",sm.IsDel)
            };

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

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="sdt"></param>
        /// <returns></returns>
        public bool EditSystemMenu(SystemMenu sm)
        {
            string sql = "update SystemMenu set Name = @Name,ShowName = @ShowName,PageName = @PageName,Mnid = @Mnid,Ico = @Ico,Width = @Width,Height = @Height,IsEnable = @IsEnable,Mid = @Mid,IsShow = @IsShow where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[] { 
                new SqlParameter("@Name",sm.Name),
                new SqlParameter("@ShowName",sm.ShowName),
                new SqlParameter("@PageName",sm.PageName),
                new SqlParameter("@Mnid",sm.Mnid),
                new SqlParameter("@Ico",sm.Ico),
                new SqlParameter("@Width",sm.Width),
                new SqlParameter("@Height",sm.Height),
                new SqlParameter("@IsEnable",sm.IsEnable),
                new SqlParameter("@Mid",sm.Mid),
                new SqlParameter("@IsShow",sm.IsShow),
                new SqlParameter("@Id",sm.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 SystemMenu set IsEnable = @IsEnable where Id = @Id", CommandType.Text, new SqlParameter("@IsEnable", isEnable), new SqlParameter("@Id", id)) > 0)
                return true;
            return false;
        }
    }
}