using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace VDownload.GUI.Services.Dialog
{
    public interface IDialogService
    {
        #region PROPERTIES

        XamlRoot DefaultRoot { get; set; }

        #endregion



        #region METHODS

        Task ShowClose(string title, string message);
        Task<DialogResult> ShowDouble(string title, string message, string primaryButtonText, string secondaryButtonText);
        Task ShowOk(string title, string message);
        Task<DialogResultOkCancel> ShowOkCancel(string title, string message);
        Task ShowSingle(string title, string message, string buttonText);
        Task<DialogResult> ShowTriple(string title, string message, string primaryButtonText, string secondaryButtonText, string cancelButtonText);
        Task<DialogResultYesNo> ShowYesNo(string title, string message);
        Task<DialogResultYesNoCancel> ShowYesNoCancel(string title, string message);

        #endregion
    }



    public class DialogService : IDialogService
    {
        #region PROPERTIES

        public XamlRoot DefaultRoot { get; set; }

        #endregion



        #region PUBLIC METHODS

        public async Task ShowOk(string title, string message) => await ShowSingle(title, message, "OK");
        public async Task ShowClose(string title, string message) => await ShowSingle(title, message, "Close");
        public async Task ShowSingle(string title, string message, string buttonText)
        {
            ContentDialog contentDialog = BuildDialog(title, message);
            contentDialog.CloseButtonText = buttonText;
            await ShowDialog(contentDialog);
        }

        public async Task<DialogResultOkCancel> ShowOkCancel(string title, string message) => await ShowDouble(title, message, "OK", "Cancel") switch
        {
            DialogResult.Primary => DialogResultOkCancel.Ok,
            _ => DialogResultOkCancel.Cancel
        };
        public async Task<DialogResultYesNo> ShowYesNo(string title, string message) => await ShowDouble(title, message, "Yes", "No") switch
        {
            DialogResult.Primary => DialogResultYesNo.Yes,
            _ => DialogResultYesNo.No
        };
        public async Task<DialogResult> ShowDouble(string title, string message, string primaryButtonText, string secondaryButtonText)
        {
            ContentDialog contentDialog = BuildDialog(title, message);
            contentDialog.PrimaryButtonText = primaryButtonText;
            contentDialog.SecondaryButtonText = secondaryButtonText;
            return await ShowDialog(contentDialog);
        }

        public async Task<DialogResultYesNoCancel> ShowYesNoCancel(string title, string message) => await ShowTriple(title, message, "Yes", "No", "Cancel") switch
        {
            DialogResult.Primary => DialogResultYesNoCancel.Yes,
            DialogResult.Secondary => DialogResultYesNoCancel.Yes,
            _ => DialogResultYesNoCancel.Cancelled
        };
        public async Task<DialogResult> ShowTriple(string title, string message, string primaryButtonText, string secondaryButtonText, string cancelButtonText)
        {
            ContentDialog contentDialog = BuildDialog(title, message);
            contentDialog.PrimaryButtonText = primaryButtonText;
            contentDialog.SecondaryButtonText = secondaryButtonText;
            contentDialog.CloseButtonText = cancelButtonText;
            return await ShowDialog(contentDialog);
        }

        #endregion



        #region PRIVATE METHODS

        private ContentDialog BuildDialog(string title, string message)
        {
            return new ContentDialog()
            {
                Title = title,
                Content = message,
                XamlRoot = DefaultRoot
            };
        }

        private async Task<DialogResult> ShowDialog(ContentDialog dialog)
        {
            ContentDialogResult result = await dialog.ShowAsync();
            return result switch
            {
                ContentDialogResult.Primary => DialogResult.Primary,
                ContentDialogResult.Secondary => DialogResult.Secondary,
                _ => DialogResult.Cancelled
            }; ;
        }

        #endregion
    }
}