using Elwig.Helpers;
using System.Windows;
using System.Windows.Controls;

namespace Elwig.Windows {
    public partial class BaseDataWindow : AdministrationWindow {
        public BaseDataWindow() {
            InitializeComponent();
            RequiredInputs = new Control[] {
                ClientNameInput, ClientNameTypeInput, ClientNameTokenInput, ClientNameShortInput,
                ClientAddressInput, ClientPlzInput, ClientOrtInput,
            };
            ExemptInputs = new Control[] {
                ClientNameFull,
            };
        }

        private void Window_Loaded(object sender, RoutedEventArgs evt) {
            LockInputs();
            FillInputs(App.Client);
        }

        protected override void UpdateButtons() {
            if (!IsEditing && !IsCreating) return;
            bool ch = HasChanged, v = IsValid;
            CancelButton.IsEnabled = true;
            ResetButton.IsEnabled = ch;
            SaveButton.IsEnabled = ch && v;
        }

        private void EditButton_Click(object sender, RoutedEventArgs evt) {
            IsEditing = true;
            EditButton.Visibility = Visibility.Hidden;
            ResetButton.Visibility = Visibility.Visible;

            UnlockInputs();
            UpdateButtons();
        }

        private void CancelButton_Click(object sender, RoutedEventArgs evt) {
            IsEditing = false;
            IsCreating = false;
            EditButton.Visibility = Visibility.Visible;
            ResetButton.Visibility = Visibility.Hidden;
            CancelButton.IsEnabled = false;
            SaveButton.IsEnabled = false;
            ResetButton.IsEnabled = false;

            ClearInputStates();
            FillInputs(App.Client);
            LockInputs();
        }

        private void ResetButton_Click(object sender, RoutedEventArgs evt) {
            ClearInputStates();
            FillInputs(App.Client);
            UpdateButtons();
        }

        private void SaveButton_Click(object sender, RoutedEventArgs evt) {
            UpdateClientParameters(App.Client);

            IsEditing = false;
            IsCreating = false;
            EditButton.Visibility = Visibility.Visible;
            ResetButton.Visibility = Visibility.Hidden;
            CancelButton.IsEnabled = false;
            SaveButton.IsEnabled = false;
            ResetButton.IsEnabled = false;

            ClearInputStates();
            FillInputs(App.Client);
            LockInputs();
        }

        private void FillInputs(ClientParameters p) {
            ClearOriginalValues();
            ClearDefaultValues();

            ClientNameInput.Text = p.Name;
            ClientNameSuffixInput.Text = p.NameSuffix;
            ClientNameTypeInput.Text = p.NameType;
            ClientNameTokenInput.Text = p.NameToken;
            ClientNameShortInput.Text = p.NameShort;
            ClientAddressInput.Text = p.Address;
            ClientPlzInput.Text = p.Plz.ToString();
            ClientOrtInput.Text = p.Ort;
            ClientIbanInput.Text = p.Iban;
            ClientBicInput.Text = p.Bic;
            ClientUstIdNrInput.Text = p.UstIdNr;
            ClientLfbisNrInput.Text = p.LfbisNr;
            ClientPhoneNrInput.Text = p.PhoneNr;
            ClientFaxNrInput.Text = p.FaxNr;
            ClientEmailAddressInput.Text = p.EmailAddress;
            ClientWebsiteInput.Text = p.Website;

            FinishInputFilling();
        }

        private async void UpdateClientParameters(ClientParameters p) {
            p.Name = ClientNameInput.Text;
            p.NameSuffix = ClientNameSuffixInput.Text.Length > 0 ? ClientNameSuffixInput.Text : null;
            p.NameType = ClientNameTypeInput.Text;
            p.NameToken = ClientNameTokenInput.Text;
            p.NameShort = ClientNameShortInput.Text;
            p.Address = ClientAddressInput.Text;
            p.Plz = int.Parse(ClientPlzInput.Text);
            p.Ort = ClientOrtInput.Text;
            p.Iban = ClientIbanInput.Text.Length > 0 ? ClientIbanInput.Text.Replace(" ", "") : null;
            p.Bic = ClientBicInput.Text.Length > 0 ? ClientBicInput.Text : null;
            p.UstIdNr = ClientUstIdNrInput.Text.Length > 0 ? ClientUstIdNrInput.Text : null;
            p.LfbisNr = ClientLfbisNrInput.Text.Length > 0 ? ClientLfbisNrInput.Text : null;
            p.PhoneNr = ClientPhoneNrInput.Text.Length > 0 ? ClientPhoneNrInput.Text : null;
            p.FaxNr = ClientFaxNrInput.Text.Length > 0 ? ClientFaxNrInput.Text : null;
            p.EmailAddress = ClientEmailAddressInput.Text.Length > 0 ? ClientEmailAddressInput.Text : null;
            p.Website = ClientWebsiteInput.Text.Length > 0 ? ClientWebsiteInput.Text : null;

            await p.UpdateValues();
        }

        private void ClientNames_TextChanged(object sender, TextChangedEventArgs evt) {
            var suffix = ClientNameSuffixInput.Text.Length > 0 ? ClientNameSuffixInput.Text : null;
            ClientNameFull.Text = $"{ClientNameInput.Text}{(suffix != null ? $", {suffix}," : "")} {ClientNameTypeInput.Text}";
            TextBox_TextChanged(sender, evt);
        }
    }
}