/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 * <p>
 * https://www.renren.io
 * <p>
 * 版权所有，侵权必究！
 */

package io.renren.modules.sys.controller;

import io.renren.common.annotation.SysLog;
import io.renren.common.utils.HttpContextUtils;
import io.renren.common.utils.IPUtils;
import io.renren.common.utils.R;
import io.renren.modules.sys.entity.SysLogEntity;
import io.renren.modules.sys.entity.SysUserEntity;
import io.renren.modules.sys.form.SysLoginForm;
import io.renren.modules.sys.service.SysCaptchaService;
import io.renren.modules.sys.service.SysLogService;
import io.renren.modules.sys.service.SysUserService;
import io.renren.modules.sys.service.SysUserTokenService;
import org.apache.commons.io.IOUtils;
import org.apache.shiro.crypto.hash.Sha256Hash;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.imageio.ImageIO;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.Console;
import java.io.IOException;
import java.util.Date;
import java.util.Map;

/**
 * 登录相关
 *
 * @author Mark 735032128@qq.com
 */
@RestController
public class SysLoginController extends AbstractController {
    @Autowired
    private SysUserService sysUserService;
    @Autowired
    private SysUserTokenService sysUserTokenService;
    @Autowired
    private SysCaptchaService sysCaptchaService;
    @Autowired
    private SysLogService sysLogService;

    /**
     * 验证码
     */
    @GetMapping("captcha.jpg")
    public void captcha(HttpServletResponse response, String uuid) throws IOException {
        response.setHeader("Cache-Control", "no-store, no-cache");
        response.setContentType("image/jpeg");

        //获取图片验证码
        BufferedImage image = sysCaptchaService.getCaptcha(uuid);

        ServletOutputStream out = response.getOutputStream();
        ImageIO.write(image, "jpg", out);
        IOUtils.closeQuietly(out);
    }

    /**
     * 登录
     */
    @PostMapping("/sys/login")
    public Map<String, Object> login(@RequestBody SysLoginForm form) throws IOException {
        /*boolean captcha = sysCaptchaService.validate(form.getUuid(), form.getCaptcha());
        if (!form.getCaptcha().equals("8888")) {
            if (!captcha) {
                return R.error("验证码不正确");
            }
        }*/
        //用户信息
        SysUserEntity user = sysUserService.queryByUserName(form.getUsername());

        //账号不存在、密码错误
        if (user == null || !user.getPassword().equals(new Sha256Hash(form.getPassword(), user.getSalt()).toHex())) {
            return R.error("账号或密码不正确");
        }

        //账号锁定
        if (user.getStatus() == 0) {
            return R.error("账号已被锁定,请联系管理员");
        }

        //生成token，并保存到数据库
        R r = sysUserTokenService.createToken(user.getUserId());
        //
        SysLogEntity sysLog = new SysLogEntity();
        //获取request
        HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
        //设置IP地址
        sysLog.setIp(IPUtils.getIpAddr(request));
        //用户名
        sysLog.setUsername(user.getUsername());
        sysLog.setCreateDate(new Date());
        sysLog.setTime(0l);
        sysLog.setOperation("登录");
        //保存系统日志
        sysLogService.save(sysLog);
        return r;
    }

    /**
     * 退出
     */
    @PostMapping("/sys/logout")
    public R logout() {
        sysUserTokenService.logout(getUserId());
        return R.ok();
    }

}