package neusoft.controller;

import neusoft.pojo.User;
import neusoft.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;

    //@PostMapping("/login")http://localhost:8080/ssm-02/user/login
    @RequestMapping(value = "/login", method = RequestMethod.POST)
    public String login(String name, String password, Model model, HttpSession session) {
        System.out.println("login:::name:::" + name + ", password" + password);
        User bean = userService.login(name, password);
        if (bean != null) {
            //登录成功
            //session保存
            session.setAttribute("loginUser", bean);
            //记住密码，使用Cookie

        }else {
            //登录失败
            model.addAttribute("msg", "用户名或密码错误");
            //return "forward:login.jsp";//http://localhost:8080/ssm-02/user/login.jsp
            return "forward:../login.jsp";
        }
        return "index";
    }

    @PostMapping("/reg")
    public String reg(@Valid User bean, BindingResult br, String cfmpassword, Model model) {
        System.out.println("reg:::" + bean);
        System.out.println("reg:::" + cfmpassword);
        //判断两次密码是否一致
        if(!bean.getPassword().equals(cfmpassword)) {
            model.addAttribute("msg", "两次输入密码不一致");
            return "forward:../reg.jsp";
        }
        //数据较验
        if(br.hasErrors()) {
            Map<String, String> errors = new HashMap<String, String>();
            System.out.println("==============================表单数据出错=================================");
            List<FieldError> fieldErrors = br.getFieldErrors();
            for (FieldError item : fieldErrors) {
                System.out.println(item.getField());
                System.out.println(item.getDefaultMessage());
                errors.put(item.getField(), item.getDefaultMessage());
            }
            model.addAttribute("errors", errors);
            return "forward:../reg.jsp";
        }

        //判断用户名重复
        if (userService.getByName(bean.getName()) != null) {
            model.addAttribute("msg", "该用户名已经被使用");
            return "forward:../reg.jsp";
        }

        boolean result = userService.insert(bean);
        if (result) {
            System.out.println("注册成功");
            return "forward:../login.jsp";
        }
        System.out.println("注册失败");
        model.addAttribute("msg", "注册失败");
        return "forward:../reg.jsp";
    }

}