using System.Drawing;
using System.Windows.Forms;
using StarfaceOutlookSync.Models;

namespace StarfaceOutlookSync.UI
{
    public class SettingsForm : Form
    {
        private CheckBox _chkStartMinimized, _chkSyncOnStart, _chkAutoAcceptOutlook;
        private TextBox _txtSharedDir;
        private Button _btnBrowseShared;
        private Button _btnSave, _btnCancel;
        private readonly UserSettings _settings;

        public SettingsForm()
        {
            _settings = UserSettings.Load();
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            Text = "Einstellungen";
            Size = new Size(380, 250);
            FormBorderStyle = FormBorderStyle.FixedDialog;
            MaximizeBox = false;
            MinimizeBox = false;
            StartPosition = FormStartPosition.CenterParent;
            Font = new Font("Segoe UI", 9);

            _chkStartMinimized = new CheckBox
            {
                Text = "Minimiert starten (nur im System Tray)",
                Left = 20, Top = 24, AutoSize = true,
                Checked = _settings.StartMinimized
            };

            _chkSyncOnStart = new CheckBox
            {
                Text = "Beim Start automatisch synchronisieren",
                Left = 20, Top = 52, AutoSize = true,
                Checked = _settings.SyncOnStart
            };

            _chkAutoAcceptOutlook = new CheckBox
            {
                Text = "Outlook-Sicherheitsabfrage automatisch erlauben",
                Left = 20, Top = 80, AutoSize = true,
                Checked = _settings.AutoAcceptOutlookPrompt
            };

            var hintText = "Hinweis: Outlook muss nach Aenderung neu gestartet werden.";
            if (UserSettings.IsOutlookSecurityLockedByPolicy())
                hintText += "\nAuf Domaenen-PCs: App einmalig als Admin starten!";

            var lblHint = new Label
            {
                Text = hintText,
                Left = 38, Top = 102, Width = 320, Height = 36,
                ForeColor = UserSettings.IsOutlookSecurityLockedByPolicy() ? Color.OrangeRed : Color.Gray,
                Font = new Font("Segoe UI", 8)
            };

            var lblShared = new Label
            {
                Text = "Gemeinsames Verzeichnis fuer Sync-Sperre (Mehrplatz, optional):",
                Left = 20, Top = 150, AutoSize = true
            };

            _txtSharedDir = new TextBox
            {
                Left = 20, Top = 172, Width = 250,
                Text = _settings.SharedDirectory
            };

            _btnBrowseShared = new Button
            {
                Text = "...", Left = 274, Top = 171, Width = 36, Height = 24
            };
            _btnBrowseShared.Click += (s, e) => BrowseSharedDir();

            var lblSharedHint = new Label
            {
                Text = "Netzlaufwerk/UNC, das alle Arbeitsplaetze erreichen. Leer = keine\n" +
                       "clientuebergreifende Sperre (nur Schutz auf diesem PC).",
                Left = 20, Top = 198, Width = 330, Height = 32,
                ForeColor = Color.Gray, Font = new Font("Segoe UI", 8)
            };

            _btnSave = new Button
            {
                Text = "Speichern", Left = 95, Top = 240, Width = 85, Height = 28,
                DialogResult = DialogResult.None
            };
            _btnSave.Click += (s, e) => Save();

            _btnCancel = new Button
            {
                Text = "Abbrechen", Left = 189, Top = 240, Width = 85, Height = 28,
                DialogResult = DialogResult.Cancel
            };

            Size = new Size(380, 330);
            Controls.AddRange(new Control[] { _chkStartMinimized, _chkSyncOnStart, _chkAutoAcceptOutlook, lblHint,
                lblShared, _txtSharedDir, _btnBrowseShared, lblSharedHint, _btnSave, _btnCancel });
            AcceptButton = _btnSave;
            CancelButton = _btnCancel;
        }

        private void BrowseSharedDir()
        {
            using (var dlg = new FolderBrowserDialog())
            {
                dlg.Description = "Gemeinsames Verzeichnis fuer die Sync-Sperre waehlen";
                if (!string.IsNullOrWhiteSpace(_txtSharedDir.Text))
                {
                    try { dlg.SelectedPath = _txtSharedDir.Text; } catch { }
                }
                if (dlg.ShowDialog(this) == DialogResult.OK)
                    _txtSharedDir.Text = dlg.SelectedPath;
            }
        }

        private void Save()
        {
            _settings.StartMinimized = _chkStartMinimized.Checked;
            _settings.SyncOnStart = _chkSyncOnStart.Checked;
            _settings.AutoAcceptOutlookPrompt = _chkAutoAcceptOutlook.Checked;
            _settings.SharedDirectory = _txtSharedDir.Text.Trim();
            _settings.Save();
            DialogResult = DialogResult.OK;
            Close();
        }
    }
}