namespace ZA.CoreService.ESBCertificateManager.Setup;

public sealed class AddSonicSystemForm : Form
{
    private readonly SetupCoordinator _coordinator;
    private readonly TextBox _txtName;
    private readonly TextBox _txtHost;
    private readonly TextBox _txtPort;
    private readonly TextBox _txtDomain;
    private readonly ComboBox _cmbProtocol;
    private readonly Button _btnSave;
    private bool _running;

    public int? CreatedSonicConnectionId { get; private set; }

    public AddSonicSystemForm(SetupCoordinator coordinator)
    {
        _coordinator = coordinator;

        Text = "Sonic-System hinzufügen";
        StartPosition = FormStartPosition.CenterParent;
        FormBorderStyle = FormBorderStyle.FixedDialog;
        MaximizeBox = false;
        MinimizeBox = false;
        ShowInTaskbar = false;
        ClientSize = new Size(520, 430);
        BackColor = SettingsUi.Background;
        ForeColor = SettingsUi.Text;
        Font = new Font("Segoe UI", 10f);

        Label title = new()
        {
            Text = "Neues Sonic-System",
            Location = new Point(28, 22),
            AutoSize = true,
            Font = new Font("Segoe UI Semibold", 18f, FontStyle.Bold),
            ForeColor = SettingsUi.Text
        };

        Label subtitle = new()
        {
            Text =
                $"Umgebung {_coordinator.Settings.EnvironmentCode} · " +
                "Management-Verbindung für Container-Neustarts",
            Location = new Point(30, 58),
            AutoSize = true,
            ForeColor = SettingsUi.Muted
        };

        Panel card = SettingsUi.CreateCard();
        card.Location = new Point(28, 95);
        card.Size = new Size(464, 250);
        card.Paint += SettingsUi.PaintCardBorder;

        _txtName = SettingsUi.CreateTextBox();
        _txtHost = SettingsUi.CreateTextBox();
        _txtPort = SettingsUi.CreateTextBox();
        _txtDomain = SettingsUi.CreateTextBox();
        _cmbProtocol = SettingsUi.CreateComboBox();
        _cmbProtocol.Items.AddRange(["tcp", "ssl"]);
        _cmbProtocol.SelectedIndex = 0;
        _txtPort.Text = "13070";

        AddField(card, "Verbindungsname", _txtName, 18, 18, 420);
        AddField(card, "Management-Host", _txtHost, 18, 78, 280);
        AddField(card, "Port", _txtPort, 316, 78, 122);
        AddField(card, "Domain", _txtDomain, 18, 138, 420);
        AddField(card, "Protokoll", _cmbProtocol, 18, 198, 160);

        _btnSave = SettingsUi.CreatePrimaryButton("System anlegen");
        _btnSave.Location = new Point(292, 365);
        _btnSave.Size = new Size(200, 40);
        _btnSave.Click += async (_, _) => await SaveAsync();

        Button cancel = SettingsUi.CreateGhostButton("Abbrechen");
        cancel.Location = new Point(170, 365);
        cancel.Size = new Size(110, 40);
        cancel.Click += (_, _) =>
        {
            DialogResult = DialogResult.Cancel;
            Close();
        };

        Controls.Add(title);
        Controls.Add(subtitle);
        Controls.Add(card);
        Controls.Add(cancel);
        Controls.Add(_btnSave);
        AcceptButton = _btnSave;
        CancelButton = cancel;
    }

    private async Task SaveAsync()
    {
        if (_running)
        {
            return;
        }

        if (!int.TryParse(_txtPort.Text.Trim(), out int port))
        {
            MessageBox.Show(
                this,
                "Bitte einen gültigen Port eingeben.",
                "Sonic-System",
                MessageBoxButtons.OK,
                MessageBoxIcon.Warning);
            return;
        }

        _running = true;
        _btnSave.Enabled = false;
        Cursor = Cursors.WaitCursor;

        try
        {
            CreatedSonicConnectionId =
                await _coordinator.AddSonicConnectionAsync(
                    _txtName.Text,
                    _txtHost.Text,
                    port,
                    _txtDomain.Text,
                    _cmbProtocol.SelectedItem?.ToString() ?? "tcp");

            DialogResult = DialogResult.OK;
            Close();
        }
        catch (Exception ex)
        {
            MessageBox.Show(
                this,
                ex.Message,
                "Sonic-System",
                MessageBoxButtons.OK,
                MessageBoxIcon.Error);
        }
        finally
        {
            _running = false;
            _btnSave.Enabled = true;
            Cursor = Cursors.Default;
        }
    }

    private static void AddField(
        Control parent,
        string label,
        Control input,
        int x,
        int y,
        int width)
    {
        Label fieldLabel = SettingsUi.CreateFieldLabel(label);
        fieldLabel.Location = new Point(x, y);
        input.Location = new Point(x, y + 22);
        input.Width = width;
        parent.Controls.Add(fieldLabel);
        parent.Controls.Add(input);
    }
}