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 DeleteModel : PageModel
    {
        private readonly CoreWiki.Models.ApplicationDbContext _context;

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

        [BindProperty]
        public Article Article { get; set; } = default!;

        public async Task<IActionResult> OnGetAsync(string slug)
        {
            if (slug == "home-page")
            {
                return NotFound();
            }
            
            var article = await _context.Articles.FirstOrDefaultAsync(a => a.Slug == slug);

            if (article == null)
            {
                return NotFound();
            }

            Article = article;
            return Page();
        }

        public async Task<IActionResult> OnPostAsync(string slug)
        {
            if (slug == "home-page")
            {
                return NotFound();
            }
            
            var article = await _context.Articles.FirstOrDefaultAsync(a => a.Slug == slug);

            if (article == null) return NotFound();
            Article = article;
            _context.Articles.Remove(Article);
            await _context.SaveChangesAsync();

            return Redirect("/");
        }
    }
}