using System.ComponentModel.DataAnnotations;
using System.Text;

using HttpClientStudy.WebApp.Models;

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace HttpClientStudy.WebApp.Controllers
{
    /// <summary>
    /// 高级Post请求 控制器
    /// </summary>
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class AdvancedPostController : ControllerBase
    {
        private ILogger<AdvancedPostController> _logger;

        /// <summary>
        /// 构造
        /// </summary>
        public AdvancedPostController(ILogger<AdvancedPostController> logger)    
        { 
            _logger = logger;
        }

        #region 接收请求体数据

        /// <summary>
        /// 接收请求体数据
        /// 普通文本：直接从原始请求体获取。不能使用 [FromBody]绑定特性，因为绑定是针对 Form表单、Json格式的特殊数据。
        /// </summary>
        /// <returns>
        /// 返回请求体原始数据
        /// </returns>
        [HttpPost]
        public async Task<IActionResult> TextData()
        {
            string content = "请求体没有数据";

            if (Request.ContentLength>0)
            {
                byte[] bytes = new byte[(int)Request.ContentLength];

                await Request.Body.ReadAsync(bytes);

                content = UnicodeEncoding.UTF8.GetString(bytes);
            }

            var result = BaseResultUtil.Success(content);
            return Ok(result);
        } 

        /// <summary>
        /// 接收请求体数据
        /// 表单数据
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public IActionResult FormData([FromForm,Required]int id, [FromForm,Required]string name)
        {
            var paras = $"{nameof(id)}={id}&{nameof(name)}={name}";
            var result = BaseResultUtil.Success(paras);
            return Ok(result);
        }

        /// <summary>
        /// 接收请求体数据
        /// 编码后的表单数据
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public IActionResult FormUrlEncodedData([FromForm, Required] int id, [FromForm, Required] string name)
        {
            var paras = $"{nameof(id)}={id}&{nameof(name)}={name}";
            var result = BaseResultUtil.Success(paras);
            return Ok(result);
        }

        /// <summary>
        /// 接收请求体数据
        /// json 数据
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public IActionResult JsonData([FromBody]AdvancedGetModel? vm)
        {
            var result = BaseResultUtil.Success(vm);
            return Ok(result);
        }

        #endregion
    }
}