using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;
using WebAPI.Models;

namespace WebAPI.Controllers
{
 public class UserInfoController : BaseApiController
 {
 public IHttpActionResult GetUser(string name,string pwd)
 {
 var user = db.UserInfo.FirstOrDefault((p) => p.UserName == name&&p.UserPwd==pwd);
 if (user != null) {
 int type = user.UserType;
 user.UserTypeName = Enum.GetName(typeof(Enums.UserType), type);
 }
 return Ok(user);
 }

 [HttpPost]
 public bool Insert() {
 string name = HttpContext.Current.Request.Form["userName"];
 string pwd = HttpContext.Current.Request.Form["password"];
 bool result = false;
 UserInfo user = new UserInfo() { UserName = name, UserPwd= pwd };
 db.UserInfo.Add(user);
 int n = db.SaveChanges();
 if (n > 0)
 {
 result = true;
 }
 return result;
 }

 [HttpPost]
 public bool EditPwd() {
 bool result = false;
 string newPwd = HttpContext.Current.Request.Form["newPwd"];
 string userId= HttpContext.Current.Request.Form["userId"];
 int id = Convert.ToInt32(userId);

 var user = db.UserInfo.FirstOrDefault((p) => p.Id==id);
 if (user != null) {
 user.UserPwd = newPwd;
 int r = db.SaveChanges();
 if (r > 0)
 {
 result = true;
 }
 }
 return result;
 }

 /// <summary>
 /// 修改用户头像
 /// </summary>
 [HttpPost]
 public IHttpActionResult EditHeadImg() {
 try
 {
 string headImgStr = HttpContext.Current.Request.Form["headImgStr"];
 string userId = HttpContext.Current.Request.Form["userId"];
 int id = Convert.ToInt32(userId);
 //获取用户
 var user = db.UserInfo.FirstOrDefault((p) => p.Id == id);
 if (user != null)
 {
 DateTime now = DateTime.Now;
 string headUrl = "/Images/head" + now.ToString("yyyyMMddHHmmss") + ".jpg";//加上时间(如head20160927.jpg)是为了保证名称的唯一性
 //讲base64字符串转成图片
 string filePath = HttpContext.Current.Server.MapPath(headUrl);
 bool result = common.ImageUtil.stringToImage(headImgStr, filePath);
 if (result)
 {
 user.UserImg = headUrl;
 int r = db.SaveChanges();
 if (r > 0)
 {
 //用户类型
 int type = user.UserType;
 user.UserTypeName = Enum.GetName(typeof(Enums.UserType), type);
 return Ok(user);
 }
 else
 return null;
 }
 else
 return null;
 }
 else
 return null;
 }
 catch (Exception e) {
 return null;
 }
 }
 }
}