using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using CoreWiki.Models;

namespace CoreWiki.Pages
{
    public class DetailsModel : PageModel
    {
        private readonly CoreWiki.Models.ApplicationDbContext _context;

        public DetailsModel(CoreWiki.Models.ApplicationDbContext context)
        {
            _context = context;
        }

      public Article Article { get; set; } = default!; 

        public async Task<IActionResult> OnGetAsync(string? topicName)
        {
            topicName ??= "HomePage";
            
            if (_context.Articles == null)
            {
                return NotFound();
            }

            var article = await _context.Articles.FirstOrDefaultAsync(m => m.Topic == topicName);
            if (article == null)
            {
                return NotFound();
            }
            else 
            {
                Article = article;
            }
            return Page();
        }
    }
}