using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

namespace PRSA.App.Pages
{
    public class IndexModel : PageModel
    {
        private readonly ILogger<IndexModel> _logger;

        [BindProperty]
        public IFormFile File { get; set; }

        public bool UploadSuccess { get; private set; }
        public bool UploadError { get; private set; }

        // List of sheet names from the uploaded Excel file
        public List<string> SheetNames { get; private set; }


        public IndexModel(ILogger<IndexModel> logger)
        {
            _logger = logger;
        }

        public void OnGet()
        {
            // Initialize the list of sheet names (replace with your logic)
            SheetNames = new List<string> { "Tracker", "SalesForecast", "StockBalance", "QlikviewSales" };

            // Set the page title
            ViewData["Title"] = "Reporting System";
        }

        public async Task<IActionResult> OnPostAsync()
        {
            if (File != null && File.Length > 0)
            {
                try
                {
                    // Save the uploaded file and process it as needed
                    // For demonstration purposes, we'll just indicate a successful upload.
                    // You would implement the actual file processing logic here.
                    UploadSuccess = true;
                }
                catch
                {
                    UploadError = true;
                }
            }

            // Re-initialize the list of sheet names (replace with your logic)
            SheetNames = new List<string> { "Tracker", "SalesForecast", "StockBalance", "QlikviewSales" };

            return Page();
        }
    }
}