package com.fjy.spring.controller;

import com.fjy.spring.domain.TbAdmin;
import com.fjy.spring.domain.TbLog;
import com.fjy.spring.domain.TbUser;
import com.fjy.spring.properties.ServerProperties;
import com.fjy.spring.service.AdminService;
import com.fjy.spring.service.LogService;
import com.fjy.spring.service.UserService;
import com.fjy.spring.untils.CodingUtil;
import com.fjy.spring.untils.GetIPAddrUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import java.math.BigInteger;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Optional;

import static com.fjy.spring.constant.GlobalConstant.USER_SESSION_KEY;

@Controller
public class LoginController {
    @Autowired
    private ServerProperties serverProperties;

    @Autowired
    private UserService userService;

    @Autowired
    private LogService logService;

    @Resource
    HttpServletRequest request;

    @PostMapping("/login/dologin")
    public String doLogin(TbUser tbUser)throws Exception{
        //加密用户密码
        tbUser.setColpassword(new BigInteger(CodingUtil.encryptSHA(tbUser.getColpassword().getBytes())).toString(32));
        TbUser user = userService.doLoginService(tbUser.getColname(),tbUser.getColpassword());
        if (user!=null){
            user.setColpassword(null);
            request.getSession().setAttribute(USER_SESSION_KEY,user);
            //写入日志信息
            Date date = new Date();
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            String dateNowStr = sdf.format(date);

            //System.out.println("当前时间："+dateNowStr);
            TbLog log = new TbLog();
            log.setUserid(user.getColuserid());
            log.setColtime(dateNowStr);
            log.setColheader(request.getHeader("user-agent"));
            log.setRequestURL(request.getRequestURL().toString());

            //解决nginx代理后IP地址获取问题
            //log.setColip(request.getRemoteAddr());
            log.setColip(GetIPAddrUtil.getIpAddr(request));
            logService.addLogRec(log);

            return  "redirect:" + request.getScheme() + "://" + request.getServerName() + ":"
                    + serverProperties.getPortNum() + request.getContextPath() + "/home";
        }
        return "login";
    }

    @PostMapping("/beforeLogin")
    @ResponseBody
    public boolean beforeLogin(TbUser tbUser)throws Exception{
        tbUser.setColpassword(new BigInteger(CodingUtil.encryptSHA(tbUser.getColpassword().getBytes())).toString(32));
        TbUser user = userService.doLoginService(tbUser.getColname(),tbUser.getColpassword());
        return user!=null;
    }

    /**
     * 登录时判断用户名是否存在，若不存在，则返回false
     * @param name
     * @return
     * @throws Exception
     */
    @GetMapping("/beforeLoginCheckNameExist")
    @ResponseBody
    public boolean beforeLoginCheckNameExist(@RequestParam(value = "name") String name)throws Exception{
        Optional<TbUser> user = userService.findByColname(name);
        return user.isPresent();
    }
}