using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using TaxBaik.Application.Services;
using TaxBaik.Application.DTOs;

namespace TaxBaik.Web.Controllers;

[ApiController]
[Route("api/[controller]")]
public class BlogController : ControllerBase
{
    private readonly BlogService _blogService;

    public BlogController(BlogService blogService)
    {
        _blogService = blogService;
    }

    [HttpGet]
    public async Task<IActionResult> GetPublished([FromQuery] int page = 1, [FromQuery] int pageSize = 12)
    {
        var (items, total) = await _blogService.GetPublishedPagedAsync(page, pageSize);
        return Ok(new { data = items, total, page, pageSize });
    }

    [HttpGet("{slug}")]
    public async Task<IActionResult> GetBySlug(string slug)
    {
        var post = await _blogService.GetBySlugAsync(slug);
        if (post == null)
            return NotFound(new ProblemDetails { Title = "포스트를 찾을 수 없습니다.", Status = StatusCodes.Status404NotFound });
        return Ok(post);
    }

    [HttpGet("admin/all")]
    [Authorize]
    public async Task<IActionResult> GetAll()
    {
        var posts = await _blogService.GetAllAsync();
        return Ok(posts);
    }

    [HttpGet("admin")]
    [Authorize]
    public async Task<IActionResult> GetAdminPaged([FromQuery] int page = 1, [FromQuery] int pageSize = 20)
    {
        var (items, total) = await _blogService.GetAdminPagedAsync(page, pageSize);
        return Ok(new { data = items, total, page, pageSize });
    }

    [HttpPost]
    [Authorize]
    public async Task<IActionResult> Create([FromBody] CreateBlogPostDto dto)
    {
        try
        {
            var result = await _blogService.CreateAsync(dto);
            return CreatedAtAction(nameof(GetBySlug), new { slug = result.Slug }, result);
        }
        catch (ValidationException ex)
        {
            return BadRequest(new ProblemDetails { Title = ex.Message, Status = StatusCodes.Status400BadRequest });
        }
    }

    [HttpPut("{id}")]
    [Authorize]
    public async Task<IActionResult> Update(int id, [FromBody] CreateBlogPostDto dto)
    {
        try
        {
            var result = await _blogService.UpdateAsync(id, dto);
            if (result == null)
                return NotFound(new ProblemDetails { Title = "포스트를 찾을 수 없습니다.", Status = StatusCodes.Status404NotFound });
            return Ok(result);
        }
        catch (ValidationException ex)
        {
            return BadRequest(new ProblemDetails { Title = ex.Message, Status = StatusCodes.Status400BadRequest });
        }
    }

    [HttpDelete("{id}")]
    [Authorize]
    public async Task<IActionResult> Delete(int id)
    {
        await _blogService.DeleteAsync(id);
        return NoContent();
    }
}