using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Central.Control.Domain;
using MES.Production.Service.IService;
using Ant.Service.Common;
using System.Text.RegularExpressions;
using Ant.Service.Common.Enums;
using ChangFa.Machinery.WebPage.Controllers;

namespace ChangFa.Machinery.WebPage.Areas.SysManage.Controllers
{
    /// <summary>
    /// 类描述:对模块权限按钮的管理
    /// 创建标识:add by 季健国 2013-7-24 10:12
    /// </summary>
    public class PermissionController : BaseController
    {
        #region 声明容器
        ISystemManage SystemManage { get; set; }
        IPermissionManage PermissionManage { get; set; }
        IModuleManage ModuleManage { get; set; }
        IUserPermissionManage UserPermissionManage { get; set; }
        IRolePermissionManage RolePermissionManage { get; set; }
        ICodeManage CodeManage { get; set; }
        #endregion

        #region 基本视图
        /// <summary>
        /// 加载导航页
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "View")]
        public ActionResult Home()
        {
            try
            {
                ViewData["system"] = this.SystemManage.LoadAll(null).OrderBy(p => p.CREATEDATE).ToList();
            }
            catch (Exception e)
            {
                WriteLog(enumOperator.Select, "对模块权限按钮的管理加载导航页：", e);
            }
            return View();
        }
        /// <summary>
        /// 加载主页
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "View")]
        public ActionResult Index()
        {
            try
            {
                var moduleId = Request.QueryString["moduleId"] ?? (Request["moduleId"] ?? "");
                if (!string.IsNullOrEmpty(moduleId))
                {
                    int newmoduleid = int.Parse(moduleId);
                    //模块信息
                    var module = this.ModuleManage.Get(p => p.ID == newmoduleid);
                    //绑定列表
                    var query = this.PermissionManage.LoadAll(p => p.MODULEID == module.ID);
                    if (!string.IsNullOrEmpty(keywords))
                    {
                        query = query.Where(p => p.NAME.Contains(keywords));
                    }
                    var result = query.OrderBy(p => p.SHOWORDER).ToList();
                    ViewBag.Search = base.keywords;
                    ViewBag.Module = module;
                    return View(result);
                }
                return View();
            }
            catch(Exception e)
            {
                WriteLog(enumOperator.Select, "对模块权限按钮的管理加载主页：", e);
                throw e.InnerException;
            }
        }
        /// <summary>
        /// 加载详情
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "Detail")]
        public ActionResult Detail(int? id)
        {
            try
            {
                var _entity = this.PermissionManage.Get(p => p.ID == id) ?? new SYS_PERMISSION();
                var moduleId = Request.QueryString["moduleId"];
                if (!string.IsNullOrEmpty(moduleId))
                {
                    int newmoduleid = int.Parse(moduleId);
                    _entity.MODULEID = newmoduleid;
                }
                ViewData["pervalue"] = this.CodeManage.GetCode("ROLEVALUE");
                return View(_entity);
            }
            catch (Exception e)
            {
                WriteLog(enumOperator.Select, "对模块权限按钮的管理加载详情：", e);
                throw e.InnerException;
            }
        }
        /// <summary>
        /// 保存权限
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "Add,Edit")]
        public ActionResult Save(SYS_PERMISSION entity)
        {
            bool isEdit = false;
            JsonHelper json = new JsonHelper() { Msg = "保存权限成功", Status = "n" };
            try
            {
                if (entity != null)
                {
                    if (System.Text.Encoding.GetEncoding("gb2312").GetBytes(entity.NAME.Trim()).Length > 50)
                    {
                        json.Msg = "权限的名称长度不能超过50个字符";
                        return Json(json);
                    }
                    var _entity = new SYS_PERMISSION();
                    entity.ICON = Request.Form["ICON"];
                    var nextpervalue = Request.Form["NEXTPERVALUE"];
                    if (!string.IsNullOrEmpty(nextpervalue))
                    {
                        if (!Regex.IsMatch(nextpervalue, @"^[A-Za-z0-9]{1,20}$"))
                        {
                            json.Msg = "权限值只能以英文数字组成，长度不能超过20个字符";
                            return Json(json);
                        }
                        entity.PERVALUE = nextpervalue;
                    }
                    //添加
                    if (entity.ID <= 0)
                    {
                        _entity = entity;
                        _entity.CREATEDATE = DateTime.Now;
                        _entity.UPDATEDATE = DateTime.Now;
                        _entity.UPDATEUSER = this.CurrentUser.Name;
                        _entity.CREATEUSER = this.CurrentUser.Name;
                    }
                    else //编辑
                    {
                        _entity = this.PermissionManage.Get(p => p.ID == entity.ID);
                        entity.CREATEUSER = _entity.CREATEUSER;
                        entity.CREATEDATE = _entity.CREATEDATE;
                        entity.UPDATEUSER = this.CurrentUser.Name;
                        entity.UPDATEDATE = DateTime.Now;
                        _entity = entity;
                        isEdit = true;
                    }
                    if (!this.PermissionManage.IsExist(p => p.NAME.Equals(_entity.NAME) && p.ID != _entity.ID && p.MODULEID == _entity.MODULEID))
                    {
                        if (PermissionManage.SaveOrUpdate(_entity, isEdit))
                        {
                            json.Status = "y";
                        }
                        else
                        {
                            json.Msg = "保存失败";
                        }                        
                    }
                    else
                    {
                        json.Msg = "权限" + _entity.NAME + "同一模块下已存在，不能重复添加";
                    }                    
                }
                else
                {
                    json.Msg = "未找到要保存的权限记录";
                }
                if (isEdit)
                {
                    WriteLog(enumOperator.Edit, "修改权限，结果：" + json.Msg, enumLog4net.INFO);
                }
                else
                {
                    WriteLog(enumOperator.Add, "添加权限，结果：" + json.Msg, enumLog4net.INFO);
                }
            }
            catch(Exception e)
            {
                json.Msg = "保存权限发生内部错误！";
                WriteLog(enumOperator.None, "对模块权限按钮的管理保存权限：", e);
            }
            return Json(json);
        }
        /// <summary>
        /// 删除权限
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "Remove")]
        public ActionResult Delete(string idList)
        {
            var json = new JsonHelper() { Msg = "删除权限成功", Status = "n" };
            try
            {
                if (!string.IsNullOrEmpty(idList))
                {
                    var idList1 = idList.Trim(',').Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries).Select(p => int.Parse(p)).ToList();
                    //判断查找角色是否调用
                    if (!this.RolePermissionManage.IsExist(p => idList1.Any(e => e == p.PERMISSIONID)))
                    {
                        //判断查找用户是否调用
                        if (!this.UserPermissionManage.IsExist(p => idList1.Any(e => e == p.FK_PERMISSIONID)))
                        {
                            this.PermissionManage.Delete(p => idList1.Any(e => e == p.ID));
                            json.Status = "y";                           
                        }
                        else
                        {
                            json.Msg = "有用户正在使用该权限，不能删除!";
                        }
                    }
                    else
                    {
                        json.Msg = "有角色正在使用该权限，不能删除!";
                    }
                }
                else
                {
                    json.Msg = "未找到要删除的权限记录";
                }
                WriteLog(enumOperator.Remove, "删除权限，结果：" + json.Msg, enumLog4net.WARN);
            }
            catch (Exception e)
            {
                json.Msg = e.InnerException.Message;
                WriteLog(enumOperator.Remove, "对模块权限按钮的管理删除权限：", e);
            }
            return Json(json);
        }
        #endregion

        #region 初始化权限
        /// <summary>
        /// 初始化权限，默认增删改查详情
        /// <param name="id">模块ID</param>
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "Reset")]
        public ActionResult Reset(string id) 
        {
            var json = new JsonHelper() { Status = "n", Msg = "初始化完毕" };
            try
            {
                if (string.IsNullOrEmpty(id) || !Regex.IsMatch(id,@"^\d+$")) 
                {
                    json.Msg = "模块参数错误";
                    WriteLog(enumOperator.Allocation, "初始化权限，结果：" + json.Msg, enumLog4net.ERROR);
                    return Json(json);
                }
                int newid=int.Parse(id);
                if (this.PermissionManage.IsExist(p => p.MODULEID == newid))
                {
                    json.Msg = "该模块已存在权限，无法初始化";
                    WriteLog(enumOperator.Allocation, "初始化权限，结果：" + json.Msg, enumLog4net.ERROR);
                    return Json(json);
                }
                var per = new string[] { "查看,View", "列表,List", "详情,Detail", "添加,Add", "修改,Edit", "删除,Remove" };
                var list = new List<SYS_PERMISSION>();
                foreach (var item in per)
                {
                    list.Add(new SYS_PERMISSION()
                    {
                        CREATEDATE = DateTime.Now,
                        CREATEUSER = this.CurrentUser.Name,
                        NAME = item.Split(',')[0],
                        PERVALUE = item.Split(',')[1],
                        UPDATEDATE = DateTime.Now,
                        UPDATEUSER = this.CurrentUser.Name,
                        MODULEID = newid,
                        SHOWORDER = 0
                    });
                }
                if (this.PermissionManage.SaveList(list) > 0) 
                {
                    json.Status = "y";
                }
                else
                {
                    json.Msg = "初始化失败";
                }
                WriteLog(enumOperator.Allocation, "初始化权限，结果：" + json.Msg, enumLog4net.INFO);
            }
            catch (Exception e)
            {
                json.Msg = e.InnerException.Message;
                WriteLog(enumOperator.Allocation, "对模块权限按钮的管理初始化权限：", e);
            }
            return Json(json);
        }
        #endregion


        #region 其他模块调用
        /// <summary>
        /// 角色分配权限
        /// </summary>
        [UserAuthorizeAttribute(ModuleAlias = "Permission", OperaAction = "Allocation")]
        public ActionResult PerAllocation()
        {
            //用户或角色ID
            string id = Request["id"];
            //权限类型，user/role
            string tp = Request["tp"];
            if (string.IsNullOrEmpty(tp))
            {
                return Content("<script>alert('未接收到需要分配权限的类型')</script>");
            }
            if (string.IsNullOrEmpty(id))
            {
                return Content("<script>alert('未接收到需要分配权限的对象')</script>");
            }
            string sys = Request["System"];
            string search = Request["Search"];
            ViewData["PermissionType"] = tp;
            ViewData["objId"] = id;
            ViewData["Systemlist"] = this.SystemManage.LoadSystemInfo();
            ViewData["System"] = sys;
            ViewData["Search"] = search;
            if (string.IsNullOrEmpty(sys)) { sys = siteId; }
            //获取模块
            var moduleList = this.ModuleManage.RecursiveModule(this.ModuleManage.LoadAll(p => p.FK_BELONGSYSTEM == sys).ToList());
            if (!string.IsNullOrEmpty(search))
            {
                moduleList = moduleList.Where(p => p.NAME.Contains(search)).ToList();
            }
            ViewData["ModuleList"] = JsonConverter.JsonClass(moduleList.Select(p => new { p.ID, MODULENAME = GetModuleName(p.NAME, p.LEVELS), p.ICON, p.PARENTID,p.LEVELS }));
            //获取权限
            var moduleId = moduleList.Select(p => p.ID).ToList();
            ViewData["PermissionList"] = this.PermissionManage.LoadAll(p => moduleId.Any(e => e == p.MODULEID)).ToList();

            //根据类型获取用户/角色已选中的权限
            var selectper = new List<string>();
            int newid = int.Parse(id);
            if (tp == "user")
            {
                selectper =
                    this.UserPermissionManage.LoadAll(p => p.FK_USERID == newid)
                        .Select(p => p.FK_PERMISSIONID)
                        .Cast<string>()
                        .ToList();
            }
            else if (tp == "role")
            {
                selectper =
                    this.RolePermissionManage.LoadAll(p => p.ROLEID == newid)
                        .Select(p => p.PERMISSIONID)
                        .Cast<string>()
                        .ToList();
            }
            ViewData["selectper"] = selectper;
            return View();
        }

        /// <summary>
        /// 设置角色权限
        /// </summary>
        public ActionResult SaveAllocation()
        {
            var json = new JsonHelper()
            {
                Msg = "分配权限完毕",
                Status = "n"
            };
            //类型
            string tp = Request.Form["tp"];
            //对象ID
            string id = Request.Form["id"];
            //系统ID
            string sys = Request.Form["system"];
            //权限ID集合
            string perid = Request.Form["perid"];
            if (string.IsNullOrEmpty(id))
            {
                json.Msg = "未要分配权限的对象";
                WriteLog(enumOperator.Allocation, "设置角色权限，结果：" + json.Msg, enumLog4net.ERROR); 
                return Json(json);
            }
            if (string.IsNullOrEmpty(tp))
            {
                json.Msg = "未要分配权限的类型";
                WriteLog(enumOperator.Allocation, "设置角色权限，结果：" + json.Msg, enumLog4net.ERROR); 
                return Json(json);
            }
            perid = perid.Trim(',');
            try
            {
                if (tp == "user")
                {
                    if (!this.UserPermissionManage.SetUserPermission(int.Parse(id), perid, sys)) { json.Msg = "保存失败"; WriteLog(enumOperator.Allocation, "设置角色权限，结果：" + json.Msg, enumLog4net.ERROR); return Json(json); }
                }
                else if (tp == "role")
                {
                    if (!this.RolePermissionManage.SetRolePermission(int.Parse(id), perid, sys)) { json.Msg = "保存失败"; WriteLog(enumOperator.Allocation, "设置角色权限，结果：" + json.Msg, enumLog4net.ERROR); return Json(json); }
                }
                json.Status = "y";
                WriteLog(enumOperator.Allocation, "设置角色权限，结果：" + json.Msg, enumLog4net.INFO);
            }
            catch (Exception e)
            {
                json.Msg = "设置角色权限发生内部错误！";
                WriteLog(enumOperator.Allocation, "设置角色权限：", e);
            }
            return Json(json);
        }

        /// <summary>
        /// 获取模块与权限导航树
        /// </summary>
        public ActionResult GetTree()
        {
            string perIds = Request.Form["perIds"];
            var json = new JsonHelper() { Status = "y", Msg = "Success" };
            //所有可显示的模块
            var module = this.ModuleManage.LoadAll(p => p.ISSHOW == 1).ToList();
            if (module.Count > 0)
            {
                #region 基本模块权限
                var moduleId = module.Select(p => p.ID).ToList();
                //通过模块获取模块的所有权限
                var permission = this.PermissionManage.LoadAll(p => moduleId.Any(e => e == p.MODULEID)).ToList();
                //构造模块与权限的集合
                var result = new List<object>();
                result.AddRange(module.Select(p => new
                {
                    id = p.ID,
                    name = p.NAME,
                    pId = p.PARENTID,
                    open = true
                }));
                if (!string.IsNullOrEmpty(perIds))
                {
                    result.AddRange(permission.Select(p => new
                    {
                        id = p.ID,
                        name = p.NAME,
                        pId = p.MODULEID,
                        checkeds = perIds.Split(',').Any(t => t == p.ID.ToString())
                    }));
                }
                else
                {
                    result.AddRange(permission.Select(p => new
                    {
                        id = p.ID,
                        name = p.NAME,
                        pId = p.MODULEID,
                    }));
                }

                #endregion

                json.Data = JsonConverter.Serialize(result).Replace("checkeds", "checked");
            }

            return Json(json);
        }

        /// <summary>
        /// 显示错层方法
        /// </summary>
        private object GetModuleName(string name, decimal? level)
        {
            if (level > 0)
            {
                string nbsp = "&nbsp;&nbsp;";
                for (int i = 0; i < level; i++)
                {
                    nbsp += "&nbsp;&nbsp;";
                }
                name = nbsp + "  |--" + name;
            }
            return name;
        }
        #endregion
    }
}