using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using UniVerse.Application.DTOs.Courses;
using UniVerse.Application.Interfaces;

namespace UniVerse.Api.Controllers;

[ApiController]
[Route("api/v1/courses")]
[Authorize]
public class CoursesController : ControllerBase
{
    private readonly ICourseService _courses;
    public CoursesController(ICourseService courses) => _courses = courses;

    [HttpGet]
    public async Task<ActionResult> GetAll([FromQuery] CourseFilterRequest filter) =>
        Ok(await _courses.GetAllAsync(filter));

    [HttpGet("{id:int}")]
    public async Task<ActionResult<CourseDto>> Get(int id) => Ok(await _courses.GetByIdAsync(id));

    [Authorize(Roles = "Admin")]
    [HttpPost]
    public async Task<ActionResult<CourseDto>> Create([FromBody] CreateCourseRequest req) =>
        CreatedAtAction(nameof(Get), new { id = 0 }, await _courses.CreateAsync(req));

    [Authorize(Roles = "Admin")]
    [HttpPut("{id:int}")]
    public async Task<ActionResult<CourseDto>> Update(int id, [FromBody] UpdateCourseRequest req) =>
        Ok(await _courses.UpdateAsync(id, req));

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

    [Authorize(Roles = "Admin")]
    [HttpPost("{id:int}/tags")]
    public async Task<IActionResult> AddTag(int id, [FromBody] int tagId)
    { await _courses.AddTagAsync(id, tagId); return NoContent(); }

    [Authorize(Roles = "Admin")]
    [HttpDelete("{id:int}/tags/{tagId:int}")]
    public async Task<IActionResult> RemoveTag(int id, int tagId)
    { await _courses.RemoveTagAsync(id, tagId); return NoContent(); }
}