using Prism.Mvvm;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CapMachine.Core
{
    /// <summary>
    /// 弹窗基类
    /// </summary>
    public class DialogViewModel : BindableBase, IDialogAware
    {
        public string? Title { get; set; }

        public event Action<IDialogResult>? RequestClose;

        /// <summary>
        /// 调用RequestClose
        /// </summary>
        /// <param name="dialogResult"></param>
        public void RaiseRequestClose(IDialogResult dialogResult)
        {
            RequestClose?.Invoke(dialogResult);

        }
        /// <summary>
        /// 是否关闭窗口
        /// </summary>
        /// <returns></returns>
        public bool CanCloseDialog()
        {
            return true;
        }

        /// <summary>
        /// 关闭时触发
        /// </summary>
        public void OnDialogClosed()
        {
            OnDialogClosed(ButtonResult.OK);
        }

        public void OnDialogClosed(ButtonResult result)
        {
            RequestClose?.Invoke(new DialogResult(result));
        }

        public void OnDialogClosed(IDialogResult dialogResult)
        {
            RequestClose?.Invoke(dialogResult);
        }

        //public void OnDialogClosed() => OnDialogClosed(ButtonResult.OK);


        /// <summary>
        /// 打开时触发
        /// </summary>
        /// <param name="parameters"></param>
        public virtual void OnDialogOpened(IDialogParameters parameters)
        {

        }

        public bool IsNotBusy => !IsBusy;
        private bool isBusy;
        public bool IsBusy
        {
            get => isBusy;
            set
            {
                isBusy = value;
                RaisePropertyChanged();
                RaisePropertyChanged(nameof(IsNotBusy));
            }
        }

        public virtual async Task SetBusyAsync(Func<Task> func, string loadingMessage = null)
        {
            IsBusy = true;
            try
            {
                await func();
            }
            finally
            {
                IsBusy = false;
            }
        }
    }
}