using AsbCloudApp.Data;
using AsbCloudApp.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Routing;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace AsbCloudWebApi.Controllers
{
    [Route("api/admin/permission")]
    [ApiController]
    [Authorize]
    public class AdminPermissionController : CrudController<PermissionDto, ICrudService<PermissionDto>>
    {        
        public AdminPermissionController(ICrudService<PermissionDto> service)
            :base(service)
        {}

        [HttpGet("Autogenerated")]
        public IActionResult GetAutogenerated()
        {
            var controllers = Assembly.GetExecutingAssembly().GetTypes().
                Where(type => typeof(ControllerBase).IsAssignableFrom(type) && !type.IsAbstract)
                .ToList();

            var permissions = new SortedSet<string>();
            foreach (var controller in controllers)
            {
                var methods = controller.GetMethods().Where(m => m.IsPublic);
                var controllerName = controller.Name.Replace("Controller", "");
                foreach (var method in methods)
                {
                    var httpMethod = method.GetCustomAttribute<HttpMethodAttribute>()?.HttpMethods?.First();
                    if (string.IsNullOrEmpty(httpMethod))
                        continue;
                    permissions.Add($"{controllerName}.{httpMethod.ToLower()}");
                }
            }

            return Ok(permissions);
            
        }
    }
}