using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Model;
using BLL;
using System.Collections;
using System.Web.UI.WebControls;

namespace BLL
{
    public class Project_UserService
    {
        public static Model.SGGLDB db = Funs.DB;

        /// <summary>
        /// 记录数

        /// </summary>
        public static int count
        {
            get;
            set;
        }

        /// <summary>
        /// 定义变量
        /// </summary>
        public static IQueryable<Model.View_Common_Project_UserList> qq = from x in db.View_Common_Project_UserList orderby x.UserCode select x;

        /// <summary>
        /// 获取分页列表
        /// </summary>
        /// <param name="searchItem"></param>
        /// <param name="searchValue"></param>
        /// <param name="startRowIndex"></param>
        /// <param name="maximumRows"></param>
        /// <returns></returns>
        public static IEnumerable getListData(string projectId, string searchItem, string searchValue, int startRowIndex, int maximumRows)
        {
            IQueryable<Model.View_Common_Project_UserList> q = qq;
            q = q.Where(e => e.ProjectId == projectId);

            if (!string.IsNullOrEmpty(searchValue))
            {
                if (searchItem == BLL.Const.UserName)
                {
                    q = q.Where(e => e.UserName.Contains(searchValue));
                }
            }

            count = q.Count();
            if (count == 0)
            {
                return new object[] { "" };
            }

            return from x in q.Skip(startRowIndex).Take(maximumRows)
                   select new
                   {
                       x.ProjectUserId,
                       x.UnitType,
                       x.UnitName,
                       x.UserName,
                       x.UserCode,
                       x.Account,
                       x.RoleName,
                   };
        }

        /// <summary>
        /// 获取列表数
        /// </summary>
        /// <param name="EDU_Code"></param>
        /// <param name="EDU_Name"></param>
        /// <param name="unitId"></param>
        /// <returns></returns>
        public static int GetListCount(string projectId, string searchItem, string searchValue)
        {
            return count;
        }

        /// <summary>
        /// 根据主键Id删除一个项目参与用户信息
        /// </summary>
        /// <param name="projectUerId">主键id</param>
        public static void DeleteProject_UserByProjectUserId(string projectUerId)
        {
            Model.SGGLDB db = Funs.DB;
            var projectUser = db.Project_User.FirstOrDefault(x => x.ProjectUserId == projectUerId);
            if (projectUser != null)
            {
                db.Project_User.DeleteOnSubmit(projectUser);
                db.SubmitChanges();
            }
        }

        /// <summary>
        ///  根据项目id和用户id获取用户是否在项目中
        /// </summary>
        /// <param name="projectId"></param>
        /// <param name="unitId"></param>
        /// <returns></returns>
        public static Model.Project_User GetProject_UserByProjectIdUserId(string projectId, string userId)
        {
            var pUser = Funs.DB.Project_User.FirstOrDefault(x => x.ProjectId == projectId && x.UserId == userId);
            return pUser;
        }

        /// <summary>
        /// 根据项目Id删除一个项目参与单位信息
        /// </summary>
        /// <param name="projectId">项目id</param>
        /// <param name="type">是否分包类型</param>
        public static void DeleteProject_UserByProjectId(string projectId, string unitId)
        {
            Model.SGGLDB db = Funs.DB;
            var pUser = from x in db.Project_User 
                        join y in db.Sys_User on x.UserId equals y.UserId
                        where x.ProjectId == projectId && y.UnitId == unitId select x;
            if (pUser.Count() > 0)
            {
                db.Project_User.DeleteAllOnSubmit(pUser);
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 添加单位信息
        /// </summary>
        /// <param name="unit"></param>
        public static void AddProject_User(Model.Project_User user)
        {
            Model.SGGLDB db = Funs.DB;
            Model.Project_User newuser = new Project_User();
            newuser.ProjectUserId = SQLHelper.GetNewID(typeof(Model.Project_User)); ;
            newuser.UserId = user.UserId;
            newuser.ProjectId = user.ProjectId;           
            newuser.RoleId = user.RoleId;
            newuser.IsPost = user.IsPost;
            db.Project_User.InsertOnSubmit(newuser);
            db.SubmitChanges();
        }

        /// <summary>
        /// 根据用户主键获取角色主键
        /// </summary>
        /// <param name="userId">用户主键</param>
        /// <returns>角色主键</returns>
        public static string GetProjectRoleIdByUserId(string projectId, string userId)
        {
            string roleId = string.Empty;
            Model.Project_User m = Funs.DB.Project_User.FirstOrDefault(e => e.UserId == userId && e.ProjectId == projectId);
            if (m != null)
            {
                roleId = m.RoleId;
            }

            return roleId;
        }

        /// <summary>
        /// 根据用户主键获取角色名称
        /// </summary>
        /// <param name="userId">用户主键</param>
        /// <returns>角色主键</returns>
        public static string GetProjectRoleNameByUserId(string projectId, string userId)
        {
            string roleName = string.Empty;
            Model.Project_User m = Funs.DB.Project_User.FirstOrDefault(e => e.UserId == userId && e.ProjectId == projectId);
            if (m != null)
            {
                var role = BLL.Sys_RoleService.GetRole(m.RoleId);
                if (role != null)
                {
                    roleName = role.RoleName;
                }
            }

            return roleName;
        }

        /// <summary>
        /// 获取项目 单位下用户
        /// </summary>
        /// <param name="projectId"></param>
        /// <param name="userId"></param>
        /// <returns></returns>
        public static List<Sys_User> GetUserByProjectIdUnitId(string projectId, string unitId)
        {

            var users = from x in Funs.DB.Sys_User
                        join y in Funs.DB.Project_User on x.UserId equals y.UserId
                        where y.ProjectId == projectId && x.UnitId == unitId
                        select x;
            return users.ToList();

        }

        /// <summary>
        /// 根据项目id获取项目人员信息
        /// </summary>
        /// <param name="unitName"></param>
        /// <returns></returns>
        public static List<Model.Project_User> GetProjectUserByProjectId(string projectId)
        {
            return (from x in Funs.DB.Project_User where x.ProjectId == projectId select x).ToList();
        }

        public static string GetStrProjectIds(string userId)
        {
            var projects = from x in Funs.DB.Project_User where x.UserId == userId select x.ProjectId;
            string projectIds = string.Empty;
            if (projects.Count() > 0)
            {
                foreach (var project in projects.Distinct())
                {
                    projectIds += project + ",";
                }
            }
            return projectIds;
        }

    }
}