using Avalonia.Platform.Storage;
using Cowain.Base.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Cowain.Base.Helpers;

public static class FileDialogHelper
{
    public static IStorageProvider? Provider { get; set; }

    public static async Task<ResultModel<IStorageFile>> OpenFileDialogAsync()
    {
        var files = await OpenFileDialogAsync(new List<FilePickerFileType>() { FilePickerFileTypes.All }, false);
        if (!files.IsSuccess || files.Data is null || !files.Data.Any())
            return ResultModel<IStorageFile>.Error(files.ErrorMessage);
        return ResultModel<IStorageFile>.Success(files.Data.First());
    }

    public static async Task<ResultModel<IStorageFile>> OpenFileDialogAsync(List<FilePickerFileType>? fileTypes)
    {
        var files = await OpenFileDialogAsync(fileTypes, false);
        if (!files.IsSuccess || files.Data is null || !files.Data.Any())
            return ResultModel<IStorageFile>.Error(files.ErrorMessage);
        return ResultModel<IStorageFile>.Success(files.Data.First());
    }

    public static async Task<ResultModel<IReadOnlyList<IStorageFile>>> OpenFileDialogAsync(List<FilePickerFileType>? fileTypes, bool multiple = false)
    {
        if (Provider is null) return ResultModel<IReadOnlyList<IStorageFile>>.Error("Provider is null");
        var result = await Provider.OpenFilePickerAsync(new FilePickerOpenOptions()
        {
            Title = "Open File",
            FileTypeFilter = fileTypes,
            AllowMultiple = multiple,
        });
        if (result is null) return ResultModel<IReadOnlyList<IStorageFile>>.Error("file is null");
        return ResultModel<IReadOnlyList<IStorageFile>>.Success(result);
    }

    public static async Task<ResultModel<IStorageFile>> SaveFileDialogAsync()
    {
        return await SaveFileDialogAsync(new List<FilePickerFileType>() { FilePickerFileTypes.All });
    }


    public static async Task<ResultModel<IStorageFile>> SaveFileDialogAsync(List<FilePickerFileType>? fileTypes)
    {
        if (Provider is null) return ResultModel<IStorageFile>.Error("Provider is null");

        var result = await Provider.SaveFilePickerAsync(new FilePickerSaveOptions()
        {
            Title = "Save File",
            FileTypeChoices = fileTypes,
        });
        if (result is null) return ResultModel<IStorageFile>.Error("file is null");
        return ResultModel<IStorageFile>.Success(result);
    }

}