using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Mvc;

namespace TestServer.Controllers
{
    [EnableCors("AllowAll")]
    [Route("api/[controller]")]
    public class PersonController : Controller
    {
        // GET api/person
        [HttpGet]
        public IEnumerable<string> Get()
        {
            HttpContext.Response.Headers.Add("MyCustomHeader", "My custom value");
            return new string[] { "value1", "value2" };
        }

        // POST api/person
        [HttpPost]
        public async Task<string> Post()
        {
            using (var reader = new StreamReader(Request.Body))
            {
                var plainTextBodyContent = await reader.ReadToEndAsync();
                return $"You posted: {plainTextBodyContent}";
            }
        }

        // PUT api/person
        [HttpPut]
        public Person Put([FromBody, Required] Person person)
        {
            return person;
        }

        // DELETE api/person
        [HttpDelete]
        public string Delete()
        {
            var result = new StringBuilder();
            foreach (var header in Request.Headers)
            {
                result.AppendLine($"{header.Key}: {string.Join(",", header.Value.ToArray())}");
            }
            return "REQUEST HEADERS:\n" + result.ToString();
        }

        public class Person
        {
            public int Id { get; set; }
            public string Name { get; set; }
        }
    }
}