using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using Dapper;
using Fab2ApprovalSystem.Models;
using System.Text;


namespace Fab2ApprovalSystem.DMO
{
    public class UserAccountDMO
    {
        private IDbConnection db = new SqlConnection(ConfigurationManager.ConnectionStrings["FabApprovalConnection"].ConnectionString);


        //public List<LoginModel> GetUser(string loginID)
        //{
        //    StringBuilder sql = new StringBuilder();
        //    sql.Append("SELECT * FROM Users WHERE LoginID = '" + loginID + "'");

        //    return this.db.Query<LoginModel>(sql.ToString()).ToList();
        //}

        public IEnumerable<LoginModel> GetAllUsers()
        {
            StringBuilder sql = new StringBuilder();
            //sql.Append("SELECT U.FirstName + ' ' + U.LastName AS FullName, U1.FirstName + ' ' + U1.LastName AS DelegatedToFullName, U.*   ");
            //sql.Append("FROM Users U LEFT JOIN Users U1 ");
            //sql.Append("ON U.UserID = U1.DelegatedTo ORDER BY FirstName ");

            //sql.Append("SELECT FirstName + ' ' + LastName AS FullName, * FROM Users ORDER BY FirstName ");
            sql.Append("  SELECT U.FirstName + ' ' + U.LastName AS FullName, U.* , U1.FirstName + ' ' + U1.LastName AS DelegatedToFullName ");
            sql.Append("FROM Users U LEFT JOIN Users U1 ON U.DelegatedTo  = U1.UserID ");
            sql.Append("ORDER BY FirstName ");

            return this.db.Query<LoginModel>(sql.ToString()).ToList();
        }






        public LoginModel GetUser(string loginID)
        {
            //StringBuilder sql = new StringBuilder();
            //sql.Append("SELECT * FROM Users WHERE LoginID = '" + loginID + "'");

            //return this.db.Query<LoginModel>(sql.ToString()).SingleOrDefault();


            return this.db.Query<LoginModel>("SELECT FirstName + ' ' + LastName AS FullName, * FROM Users WHERE LoginID = @loginID AND IsActive = 1 ", new { loginID = loginID }).Take(1).SingleOrDefault();
        }

        public LoginModel GetUserByID(int userID)
        {
            return this.db.Query<LoginModel>(
                "SELECT FirstName + ' ' + LastName AS FullName, * FROM Users WHERE UserID = @UserID ", 
                new { UserID = userID }).Take(1).SingleOrDefault();
        }

        public string GetUserEmailByID(string userID)
        {
            return this.db.Query<string>(
                "SELECT Email FROM Users WHERE UserID = @UserID ",
                new { UserID = userID }).Take(1).SingleOrDefault();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="model"></param>
        internal void UpdateUser(LoginModel model)
        {
            string sql;
            sql = "UPDATE Users SET LoginID = @LoginID, FirstName = @FirstName, LastName = @LastName, Email =  @Email, IsAdmin = @IsAdmin WHERE UserID = @UserID";
            var parameters = new DynamicParameters();
            parameters.Add("@UserID", model.UserID);
            parameters.Add("@LoginID", model.LoginID);
            parameters.Add("@FirstName", model.FirstName);
            parameters.Add("@LastName", model.LastName  );
            parameters.Add("@Email", model.Email);
            parameters.Add("@IsAdmin", model.IsAdmin);
           
            this.db.Execute(sql, parameters);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="model"></param>
        internal void DeleteUser(LoginModel model)
        {
            string sql;
            sql = "DELETE Users WHERE UserID = @UserID";
            var parameters = new DynamicParameters();
            parameters.Add("@UserID", model.UserID);

            this.db.Execute(sql, parameters);
        }


        /// <summary>
        /// 
        /// </summary>
        /// <param name="model"></param>
        internal void InsertUser(LoginModel model)
        {
            //string sql;
            //sql = "INSERT Users (LoginID, FirstName, LastName, IsAdmin) VALUES (@LoginID, @FirstName, @LastName, @IsAdmin )";
            var parameters = new DynamicParameters();
            parameters.Add("@UserID", model.UserID, DbType.Int32,  direction: ParameterDirection.InputOutput);
            parameters.Add("@LoginID", model.LoginID);
            parameters.Add("@FirstName", model.FirstName);
            parameters.Add("@LastName", model.LastName);
            parameters.Add("@Email", model.Email);
            parameters.Add("@IsAdmin", model.IsAdmin);

            this.db.Execute("InsertUsers", parameters, commandType: CommandType.StoredProcedure);
            int userid = parameters.Get<int>("@UserID");
            model.UserID = userid;

        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="userID"></param>
        /// <param name="hasITARAccess"></param>
        internal void UpdateInsertITARAccess(string userID, string hasITARAccess)
        {

            var parameters = new DynamicParameters();
            parameters.Add("@UserID", userID);
            parameters.Add("@HasITARAccess", hasITARAccess);

            this.db.Execute("ITARAccessUpdateInsert", parameters, commandType: CommandType.StoredProcedure);

        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        internal bool GetITARAccess(int userID)
        {
            var parameters = new DynamicParameters();
            parameters.Add("@UserID", userID);

            var results = this.db.Query<string>(
                "SELECT HasITARAccess FROM SAMUsers, Users WHERE Users.UserID = @UserID AND SAMUsers.UserID = Users.LoginID", 
                parameters, commandType: CommandType.Text);
            if ((results != null) && (results.Count() > 0) && (results.First() == "1"))
                return true;
                
            return false;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        internal bool GetEC_AD_Users(string userID)
        {
            var parameters = new DynamicParameters();
            parameters.Add("@UserID", userID);

            var results = this.db.Query<string>(
                "SELECT UserID FROM EC_AD_Users WHERE UserID = @UserID",
                parameters, commandType: CommandType.Text);
            if ((results != null) && (results.Count() > 0))
                return true;

            return false;
        }
    }
}