using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Mvc;
using mongo1.Data;
using mongo1.Models;
using System.Linq;
using System.Collections.Generic;

namespace mongo1.Controllers
{
    [Route("[controller]")]
    [ApiController]
    public class ArticleController : Controller
    {
        private readonly ApplicationDbContext _context;

        public ArticleController(ApplicationDbContext context)
        {
            _context = context;
        }
        [HttpGet]
        public List<Article> GetArticles()
        {
//            var articles = _context.Articles.ToList();
            var articles = _context.Articles.Include(a => a.Comments).ToList();
            return articles;
        }
        [HttpPost]
        public List<Article> PostArtikkel([FromBody] Article artikkel)
        {
            _context.Articles.Add(artikkel);
            _context.SaveChanges();
            return _context.Articles.ToList();
        }
        [HttpDelete("{id}")]
        public List<Article> DeleteArtikkel(int id)
        {
            var artikkel = _context.Articles.Find(id);

            if (artikkel == null)
            {
                return _context.Articles.ToList();
            }

            _context.Articles.Remove(artikkel);
            _context.SaveChanges();
            return _context.Articles.ToList();
        }
        [HttpGet("{id}")]
        public ActionResult<Article> GetArtikkel(int id)
        {
            var artikkel = _context.Articles.Find(id);

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

            return artikkel;
        }

        [HttpPut("{id}")]
        public ActionResult<List<Article>> PutArtikkel(int id, [FromBody] Article updatedArtikkel)
        {
            var artikkel = _context.Articles.Find(id);

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

            artikkel.Header = updatedArtikkel.Header;
            artikkel.Content = updatedArtikkel.Content;

            _context.Articles.Update(artikkel);
            _context.SaveChanges();

            return Ok(_context.Articles);
        }
        [HttpGet("article/{articleId}")]
        public ActionResult<List<Comment>> GetCommentsForArticle(int articleId)
        {
            var comments = _context.Comments.Where(c => c.ArticleId == articleId).ToList();

            if (comments.Count == 0)
            {
                return NotFound();
            }

            return comments;
        }
    }
}