using backend.Models;
using backend.Services;
using Microsoft.AspNetCore.Mvc;

namespace backend.Controllers;
[ApiController]
[Route("blog/api/[controller]")]
public class BlogPostController: ControllerBase
{
    private readonly BlogPostService _blogPostService;
    
    public BlogPostController(BlogPostService blogPostService)
    {
        _blogPostService = blogPostService;
    }
    
    [HttpGet]
    public async Task<List<BlogPost>> Get() =>
        await _blogPostService.GetAllPostsAsync();
    
    [HttpGet("{id:length(24)}")]
    public async Task<BlogPost?> Get(string id) =>
        await _blogPostService.GetPostAsync(id);

    [HttpGet("newest/{n}")]
    public async Task<List<BlogPost>> GetLast(int n) =>
        await _blogPostService.GetLastNPostsAsync(n);
    
    [HttpPost]
    public async Task<IActionResult> Post([FromBody]BlogPost post)
    {
        await _blogPostService.CreatePostAsync(post);
        return CreatedAtAction(nameof(Get), new {id = post.Id}, post);
    }
    
    [HttpPut("{id:length(24)}")]
    public async Task<IActionResult> Put(string id, [FromBody]BlogPost post)
    {
        var postToUpdate = await _blogPostService.GetPostAsync(id);
        if (postToUpdate == null)
        {
            return NotFound();
        }
        await _blogPostService.UpdatePostAsync(id, post);
        return NoContent();
    }
    
    [HttpDelete("{id:length(24)}")]
    public async Task<IActionResult> Delete(string id)
    {
        var postToDelete = await _blogPostService.GetPostAsync(id);
        if (postToDelete == null)
        {
            return NotFound();
        }
        await _blogPostService.DeletePostAsync(id);
        return NoContent();
    }

}