using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GZTW.AyaNova.BLL;

namespace AyaNova
{
    public partial class GlobalFetchKey : Form
    {
        public GlobalFetchKey()
        {
            InitializeComponent();
        }

        private void GlobalFetchKey_Load(object sender, EventArgs e)
        {
            Icon = Resource1.AyaNova5;
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            string sEmail = edEmail.Text;
            string sFetchCode = edFetchCode.Text;
            if (string.IsNullOrWhiteSpace(sEmail))
            {
                MessageBox.Show("Email address is required\r\nEnter it exactly as it appears in the license email we sent you.");
                return;
            }

            if (string.IsNullOrWhiteSpace(sFetchCode))
            {
                MessageBox.Show("Fetch Code is required\r\nEnter it exactly as it appears in the license email we sent you.");
                return;
            }

            string sUrl = "https://rockfish.ayanova.com/fetch/" + sFetchCode + "/" + sEmail;
            //string sUrl = "https://rockfish.gztechworks.com/fetch/" + sFetchCode + "/" + sEmail;
            //TODO: maybe alt url in case?? or fuck it wont' matter with v8 coming anyway

            //case 3875
            System.Net.ServicePointManager.SecurityProtocol = (System.Net.SecurityProtocolType)3072;

            using (System.Net.WebClient client = new System.Net.WebClient())
            {
                try
                {
                    Cursor.Current = Cursors.WaitCursor;
                    string s = client.DownloadString(sUrl);

                    //case 1172
                    string sKeyType = "AyaNovaLiteLicenseKey";

                    if (s.Contains("AyaNovaLicenseKey"))//modified to take out <> for case 3122
                    {
                        sKeyType = "AyaNovaLicenseKey";
                    }

                    bool containsXML = s.Contains("<?xml version=\"1.0\" encoding=\"utf-16\" standalone=\"yes\"?>");
                    bool containsJSON = s.Contains("[KEY");
                    if (!containsXML && !containsJSON)
                    {
                        Util.PromptWithIconOKOnlyFromLocaleKey("Key.Error.NotFound", MessageBoxIcon.Error);
                        return;
                    }


                    //Key sanity checks
                    bool isRequestedTrial = false;
                    int newScheduleableUsers = 0;

                    if (containsJSON)
                    {
                        string keyNoWS = System.Text.RegularExpressions.Regex.Replace(AyaBizUtils.ExtractString(s, "[KEY", "KEY]").Trim(), "(\"(?:[^\"\\\\]|\\\\.)*\")|\\s+", "$1").ToLowerInvariant();
                        if (keyNoWS.Contains("\"RequestedTrial\":\"True\"".ToLowerInvariant()))
                        {
                            isRequestedTrial = true;
                        }

                        newScheduleableUsers = int.Parse(AyaBizUtils.ExtractString(keyNoWS, ",\"TotalScheduleableUsers\":\"".ToLowerInvariant(), "\","));
                    }
                    else
                    {
                        //xml key
                        isRequestedTrial = s.Contains("RequestedTrial>true");
                        newScheduleableUsers = int.Parse(AyaBizUtils.ExtractString(s, "<TotalScheduleableUsers>", "</TotalScheduleableUsers>"));
                    }


                    if (AyaBizUtils.RequestedTrial && isRequestedTrial)
                    {
                        MessageBox.Show(
                            "This requested trial license can not be used because this database already contains a requested trial license\r\n"
                            , "", MessageBoxButtons.OK, MessageBoxIcon.Stop);
                        return;
                    }

                    //Don't allow them to enter a lite key into a db that is currently not a standalone firebird
                    //otherwise they could permanently lock themselves out of the db (until we fixed it of course)
                    if (sKeyType == "AyaNovaLiteLicenseKey" && !AyaBizUtils.AyaNovaConnectionSetting.SingleUserConnection)
                    {
                        MessageBox.Show(
                            "This AyaNova Lite license can not be used because the current database is not a single user stand alone FireBird database.\r\n" +
                            "AyaNova Lite can not be used with a Firebird server or Microsoft SQL server.\r\n", "", MessageBoxButtons.OK, MessageBoxIcon.Stop);
                        return;
                    }

                    //case 2084
                    //warn if less users in new key than in current license
                    if (!AyaBizUtils.Trial)
                    {
                        if (AyaBizUtils.ScheduleableUsers > newScheduleableUsers)
                        {
                            //case 3199
                            if (MessageBox.Show("WARNING: The Key you are about to apply is for less scheduleable resource licenses than your database is presently licensed for.\r\n\r\nPlease cancel and resolve; or select OK to apply", "", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) != DialogResult.OK)
                            {
                                return;
                            }
                        }

                    }

                    if (!AyaBizUtils.Insert(s))
                    {
                        Util.PromptWithIconOKOnlyFromLocaleKey("Key.Error.NotValid", MessageBoxIcon.Error);
                        Application.Exit();
                    }
                    else
                    {
                        //edNotes.Text = AyaBizUtils.View();
                        Util.PromptWithIconOKOnlyFromLocaleKey("Key.Label.Saved", MessageBoxIcon.Information);
                        Application.Exit();
                    }


                }
                catch (System.Net.WebException wex)
                {
                   string s= wex.Message;
                   if (s.Contains("404"))
                   {
                       MessageBox.Show("No license was found for the Fetch address and Fetch code provided.\r\n\r\n" +
                           "This can happen if either address or code was entered incorrectly or \r\n" +
                           "this can also happen if the key has already been fetched.\r\n\r\n" +
                           "Check your entry and try again or contact us at support@ayanova.com", "License not found");

                   }
                   else
                   {
                       CopyableMessageBox m = new CopyableMessageBox("An unexpected network error occurred, please contact support@ayanova.com with these details:\r\n"+wex.Message);
                       m.BringToFront();
                       m.ShowDialog();
                       m.Dispose();
                   }
                }
                catch (Exception ex)
                {
                    CopyableMessageBox m = new CopyableMessageBox("An unexpected error occurred, please contact support@ayanova.com with these details:\r\n" + ex.Message);
                    m.BringToFront();
                    m.ShowDialog();
                    m.Dispose();
                }

            }
        }


    }//eoc
}