using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Microsoft.Reporting.WebForms;
using System.Net;
using EMIS.Utility;

namespace EMIS.Web.ReportViewer
{
    public partial class Page : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (!string.IsNullOrEmpty(Request.Params["ReportFolder"]))
                {
                    string reportpath = HttpUtility.HtmlDecode(Request.Params["ReportFolder"]);
                    int aantalKeys = Request.Params.AllKeys.Length;

                    List<ReportParameter> parameters = new List<ReportParameter>();
                    for (int i = 1; i < aantalKeys; i++)
                    {

                        string value = Request.Params[i];
                        string key = Request.Params.Keys[i];
                        if (key.Contains("_RAP"))
                        {
                            int index = key.IndexOf('_');
                            key = key.Substring(0, index);
                            if (string.IsNullOrEmpty(value))
                            {
                                ReportParameter parameter = new ReportParameter(key, (string)null);
                                parameters.Add(parameter);
                            }
                            else
                            {
                                ReportParameter parameter = new ReportParameter(key, HttpUtility.HtmlDecode(value));
                                parameters.Add(parameter);
                            }
                        }
                    }
                    this.RenderReport(reportpath, parameters);
                }

            }

        }

        private void RenderReport(string reportpath, List<ReportParameter> parameters = null)
        {
            string User = Const.LOCAL_SETTING_REPORT_USER_NAME;
            string Pass = Const.LOCAL_SETTING_REPORT_PASSWORD;
            string ReportServerUrl = Const.LOCAL_SETTING_REPORT_URL;
            IReportServerCredentials irsc = new CustomReportCredentials(User, Pass, "");
            Uri uri = new Uri(ReportServerUrl);

            // EVENTS
            //reportViewer.Load += reportViewer_Load;
            //reportViewer.Unload += reportViewer_Unload;
            if (Request.Browser.Browser.Contains("InternetExplorer"))
            {
                reportViewer.SizeToReportContent = false;
            }
            else
            {
                reportViewer.SizeToReportContent = true;
            }
            reportViewer.ShowExportControls = true;
            reportViewer.ShowPrintButton = true;
            reportViewer.ShowParameterPrompts = false;

            //reportViewer.Visible = true;
            reportViewer.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Remote;
            reportViewer.ServerReport.ReportServerCredentials = irsc;
            reportViewer.ServerReport.ReportServerUrl = uri;
            reportViewer.ServerReport.ReportPath = reportpath;
            if (parameters != null && parameters.Count != 0)
            {
                reportViewer.ServerReport.SetParameters(parameters);
            }
            reportViewer.ServerReport.Refresh();
        }

        private Dictionary<string, object> GetCurrentParameters()
        {

            var parameterCollection = reportViewer.ServerReport.GetParameters();


            var param = new Dictionary<string, object>();
            foreach (var p in parameterCollection)
            {
                var name = p.Name;
                if (p.DataType == ParameterDataType.DateTime)
                {
                    var d = Convert.ToDateTime(p.Values[0]);
                    param[name] = d.ToString("dd-MM-yyyy");
                }
                else
                {
                    var values = p.Values.ToList();
                    param[name] = values;
                }

            }


            return param;
        }
    }

    public class CustomReportCredentials : IReportServerCredentials
    {
        private string _UserName;
        private string _PassWord;
        private string _DomainName;

        public CustomReportCredentials(string UserName, string PassWord, string DomainName)
        {
            _UserName = UserName;
            _PassWord = PassWord;
            _DomainName = DomainName;
        }

        public System.Security.Principal.WindowsIdentity ImpersonationUser
        {
            get { return null; }
        }

        public ICredentials NetworkCredentials
        {
            get { return new NetworkCredential(_UserName, _PassWord, _DomainName); }
        }

        public bool GetFormsCredentials(out Cookie authCookie, out string user,
         out string password, out string authority)
        {
            authCookie = null;
            user = password = authority = null;
            return false;
        }
    }

}