package controllers

import (
	"github.com/astaxie/beego"
	"beeblog/service"
	"beeblog/models"
	"strings"
	"crypto/md5"
	"time"
	"strconv"
	"encoding/hex"
	"fmt"
)

type UserController struct {
	beego.Controller
}

func (u *UserController) LoginPage() {

	//
	//for i:=0; i<len(tests) ; i++ {
	//	fmt.Println(tests[i].Title,tests[i].Id)
	//}
	//fmt.Println(len(tests))
	//num, err = o.Delete(&u)
	//fmt.Printf("NUM: %d, ERR: %v\n", num, err)

	//u.Ctx.WriteString("login page")
	u.TplName = "login.html"
}
func (u *UserController) RegistPage() {
	u.TplName = "regist.html"
}

func (this *UserController) Login() {
	username := this.GetString("username")
	userpwd := this.GetString("userpwd")
	if username == "" {
		this.Data["json"] = models.ReurnError(1,"用户名为空")
		this.ServeJSON()
		return
	}
	if len(username) < 4 {
		this.Data["json"] = models.ReurnError(1,"用户名最低4位")
		this.ServeJSON()
		return
	}
	if userpwd == "" {
		this.Data["json"] = models.ReurnError(1,"密码为空")
		this.ServeJSON()
		return
	}
	if len(userpwd) < 6 {
		this.Data["json"] = models.ReurnError(1,"密码最低6位")
		this.ServeJSON()
		return
	}
	user, error := service.FindByUserName(username)
	if error == nil && user != nil {
		h := md5.New()
		h.Write([]byte(userpwd + user.Salt))
		userpwd = hex.EncodeToString(h.Sum(nil))
		if userpwd == user.UserPwd {
			this.Data["json"] = models.ReurnSuccess("")
			this.SetSession("userid", user.Id)
			fmt.Println(this.CruSession)
		} else {
			this.Data["json"] = models.ReurnError(1,"用户名或密码错误")
		}
	} else {
		this.Data["json"] = models.ReurnError(1,"用户名不存在")
	}
	this.ServeJSON()
	return
}

func (this *UserController) Regist() {
	username := this.GetString("username")
	userpwd := this.GetString("userpwd")
	username = strings.Replace(username, " ", "", -1)
	userpwd = strings.Replace(userpwd, " ", "", -1)
	if username == "" {
		this.Data["json"] = models.ReurnError(1,"用户名为空")
		this.ServeJSON()
		return
	}
	if len(username) < 4 {
		this.Data["json"] = models.ReurnError(1,"用户名最低4位")
		this.ServeJSON()
		return
	}
	if userpwd == "" {
		this.Data["json"] = models.ReurnError(1,"密码为空")
		this.ServeJSON()
		return
	}
	if len(userpwd) < 6 {
		this.Data["json"] = models.ReurnError(1,"密码最低6位")
		this.ServeJSON()
		return
	}
	user, _ := service.FindByUserName(username)
	if user != nil {
		this.Data["json"] = models.ReurnError(1,"用户已经存在")
		this.ServeJSON()
		return
	}
	h := md5.New()
	h.Write([]byte(strconv.FormatInt(time.Now().Unix(), 10) + beego.AppConfig.String("host")))
	salt := hex.EncodeToString(h.Sum(nil))
	h = md5.New()
	h.Write([]byte(userpwd + salt))
	userpwd = hex.EncodeToString(h.Sum(nil))
	user = &models.User{UserName: username, UserPwd: userpwd, Salt: salt}
	err := service.SaveUser(user)
	if err == nil {
		this.Data["json"] = models.ReurnSuccess("")
	} else {
		this.Data["json"] = models.ReurnError(1,"注册失败")
	}
	this.ServeJSON()
	return
}