@page "/upload"
@using System 
@using System.IO
@using System.Globalization
@using Microsoft.AspNetCore.Hosting
@using Microsoft.Extensions.Logging
@using System.Linq
@using CsvHelper
@using CsvHelper.Configuration
@using CsvHelper.Configuration.Attributes
@*@inject ILogger<FileUpload1> Logger*@
@inject ILogger<Upload> Logger
@inject IWebHostEnvironment Environment

<h3>Upload Files</h3>

<p>
    <label>
        Max file size:
        <input type="number" @bind="maxFileSize" />
    </label>
</p>

<p>
    <label>
        Max allowed files:
        <input type="number" @bind="maxAllowedFiles" />
    </label>
</p>

<p>
    <label>
        Upload up to @maxAllowedFiles of up to @maxFileSize bytes:
        <InputFile OnChange="@LoadFiles" multiple />
    </label>
</p>

@if (isLoading)
{
    <p>Uploading...</p>
}
else
{
    <ul>
        @foreach (var file in loadedFiles)
        {
            <li>
                <ul>
                    <li>Name: @file.Name</li>
                    <li>Last modified: @file.LastModified.ToString()</li>
                    <li>Size (bytes): @file.Size</li>
                    <li>Content type: @file.ContentType</li>
                </ul>
            </li>
        }
    </ul>
}

@code {
    private List<IBrowserFile> loadedFiles = new();
    private long maxFileSize = 1024 * 15;
    private int maxAllowedFiles = 3;
    private bool isLoading;

    private async Task LoadFiles(InputFileChangeEventArgs e)
    {
        isLoading = true;
        loadedFiles.Clear();

        foreach (var file in e.GetMultipleFiles(maxAllowedFiles))
        {
            try
            {
                loadedFiles.Add(file);

                var trustedFileNameForFileStorage = Path.GetRandomFileName();
                var path = Path.Combine(Environment.ContentRootPath,
                        Environment.EnvironmentName, "unsafe_uploads",
                        trustedFileNameForFileStorage);

                await using FileStream fs = new(path, FileMode.Create);
                await file.OpenReadStream(maxFileSize).CopyToAsync(fs);

                //using (var csvReader = new CsvReader(fs, CultureInfo.InvariantCulture)); 
                //{
                //    var records = CsvReader.GetRecords<dynamic>().ToList();

                //}

            }
            catch (Exception ex)
            {
                Logger.LogError("File: {Filename} Error: {Error}", 
                    file.Name, ex.Message);
            }

        }

        isLoading = false;
    }

    public class RocketLaunch
    {
        [Name("flight_number") ]
        public int FlightNumber { get; set; }

         [Name("name") ]
        public string MissionName { get; set; }

         [Name("launch_date") ]
        public DateTime LaunchDate { get; set; }

         [Name("success") ]
        public bool Succeded { get; set; }

         [Name("booster_recovered") ]
        public bool DidLand { get; set; }
    }
}