using System;

using CMS.Core;
using CMS.Globalization;
using CMS.Helpers;
using CMS.UIControls;

using TimeZoneInfo = CMS.Globalization.TimeZoneInfo;

[UIElementAttribute(ModuleName.CMS, "Development.TimeZones")]
public partial class CMSModules_TimeZones_Pages_TimeZone_Edit : GlobalAdminPage
{
    private int zoneId;


    protected void Page_Load(object sender, EventArgs e)
    {
        // Control initialization
        rfvName.ErrorMessage = GetString("TimeZ.Edit.rfvName");
        rfvDisplayName.ErrorMessage = GetString("TimeZ.Edit.rfvDisplayName");
        rfvGMT.ErrorMessage = GetString("TimeZ.Edit.rfvGMT");
        rvGMTDouble.ErrorMessage = GetString("TimeZ.Edit.rvGMTDouble");
        lblTimeZoneRuleStart.Text = lblTimeZoneRuleEnd.Text = GetString("general.na");
        rvGMTDouble.MinimumValue = (-12.0).ToString();
        rvGMTDouble.MaximumValue = (13.0).ToString();

        string currentTimeZone = GetString("TimeZ.Edit.NewItem");
        startRuleEditor.TitleText = GetString("TimeZ.Edit.TimeZoneRuleStartRule");
        endRuleEditor.TitleText = GetString("TimeZ.Edit.TimeZoneRuleEndRule");

        // Get timeZone id from query string
        zoneId = QueryHelper.GetInteger("zoneid", 0);
        if (zoneId > 0)
        {
            var timeZoneObj = TimeZoneInfoProvider.GetTimeZoneInfo(zoneId);
            //Set edited object
            EditedObject = timeZoneObj;

            if (timeZoneObj != null)
            {
                currentTimeZone = timeZoneObj.TimeZoneDisplayName;

                // Fill editing form
                if (!RequestHelper.IsPostBack())
                {
                    LoadData(timeZoneObj);

                    // Show that the timeZone was created or updated successfully
                    if (QueryHelper.GetBoolean("saved", false) && !URLHelper.IsPostback())
                    {
                        ShowChangesSaved();
                    }
                }
            }
        }

        // Initializes page title control
        PageBreadcrumbs.Items.Add(new BreadcrumbItem
        {
            Text = GetString("TimeZ.Edit.ItemList"),
            RedirectUrl = "~/CMSModules/TimeZones/Pages/TimeZone_List.aspx"
        });

        PageBreadcrumbs.Items.Add(new BreadcrumbItem
        {
            Text = currentTimeZone
        });

        PageTitle.TitleText = (zoneId > 0) ? GetString("timez.edit.properties") : GetString("timez.edit.newtimezone");

        startRuleEditor.Enabled = chkTimeZoneDaylight.Checked;
        endRuleEditor.Enabled = chkTimeZoneDaylight.Checked;
    }


    protected override void OnPreRender(EventArgs e)
    {
        base.OnPreRender(e);

        lblTimeZoneDisplayName.AssociatedControlClientID = txtTimeZoneDisplayName.TextBox.ClientID;
        lblTimeZoneName.AssociatedControlClientID = txtTimeZoneName.TextBox.ClientID;
    }


    /// <summary>
    /// Load data of editing timeZone.
    /// </summary>
    /// <param name="timeZoneObj">TimeZone object</param>
    protected void LoadData(TimeZoneInfo timeZoneObj)
    {
        txtTimeZoneName.Text = timeZoneObj.TimeZoneName;
        txtTimeZoneDisplayName.Text = timeZoneObj.TimeZoneDisplayName;
        txtTimeZoneGMT.Text = Convert.ToString(timeZoneObj.TimeZoneGMT);
        chkTimeZoneDaylight.Checked = timeZoneObj.TimeZoneDaylight;

        if (timeZoneObj.TimeZoneDaylight)
        {
            lblTimeZoneRuleStart.Text = timeZoneObj.TimeZoneRuleStartIn.ToString();
            lblTimeZoneRuleEnd.Text = timeZoneObj.TimeZoneRuleEndIn.ToString();
            startRuleEditor.Rule = timeZoneObj.TimeZoneRuleStartRule;
            endRuleEditor.Rule = timeZoneObj.TimeZoneRuleEndRule;

            plcDSTInfo.Visible = true;
        }
    }


    /// <summary>
    /// Sets data to database.
    /// </summary>
    protected void btnOK_Click(object sender, EventArgs e)
    {
        string errorMessage = new Validator()
            .NotEmpty(txtTimeZoneName.Text, rfvName.ErrorMessage)
            .NotEmpty(txtTimeZoneDisplayName.Text, rfvDisplayName.ErrorMessage)
            .NotEmpty(txtTimeZoneGMT.Text, rfvGMT.ErrorMessage)
            .IsCodeName(txtTimeZoneName.Text, GetString("general.invalidcodename"))
            .IsDouble(txtTimeZoneGMT.Text, rvGMTDouble.ErrorMessage)
            .Result;

        if (chkTimeZoneDaylight.Checked)
        {
            if ((!startRuleEditor.IsValid()) || (!endRuleEditor.IsValid()))
            {
                errorMessage = GetString("TimeZ.RuleEditor.NotValid");
            }
        }

        if (String.IsNullOrEmpty(errorMessage))
        {
            // TimeZoneName must to be unique
            TimeZoneInfo timeZoneObj = TimeZoneInfoProvider.GetTimeZoneInfo(txtTimeZoneName.Text.Trim());

            // If timeZoneName value is unique														
            if ((timeZoneObj == null) || (timeZoneObj.TimeZoneID == zoneId))
            {
                // If timeZoneName value is unique -> determine whether it is update or insert 
                if ((timeZoneObj == null))
                {
                    // Get TimeZoneInfo object by primary key or create new one
                    timeZoneObj = TimeZoneInfoProvider.GetTimeZoneInfo(zoneId) ?? new TimeZoneInfo();
                }

                timeZoneObj.TimeZoneName = txtTimeZoneName.Text.Trim();
                timeZoneObj.TimeZoneDaylight = chkTimeZoneDaylight.Checked;
                timeZoneObj.TimeZoneDisplayName = txtTimeZoneDisplayName.Text.Trim();
                timeZoneObj.TimeZoneRuleStartRule = startRuleEditor.Rule;
                timeZoneObj.TimeZoneRuleEndRule = endRuleEditor.Rule;
                timeZoneObj.TimeZoneGMT = Convert.ToDouble(txtTimeZoneGMT.Text.Trim());

                TimeZoneInfoProvider.SetTimeZoneInfo(timeZoneObj);

                URLHelper.Redirect("TimeZone_Edit.aspx?zoneid=" + Convert.ToString(timeZoneObj.TimeZoneID) + "&saved=1");
            }
            else
            {
                ShowError(GetString("TimeZ.Edit.TimeZoneNameExists"));
            }
        }
        else
        {
            ShowError(errorMessage);
        }
    }
}