package com.supervision.controller;

import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONUtil;
import com.supervision.constant.UserTokenConstant;
import com.supervision.exception.BusinessException;
import com.supervision.model.User;
import com.supervision.pojo.vo.LoginReqVO;
import com.supervision.service.UserService;
import com.supervision.util.TokenUtil;
import com.supervision.util.UserUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.RequiredArgsConstructor;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.Optional;
import java.util.concurrent.TimeUnit;

@Api(tags = "用户管理")
@RestController
@RequestMapping("user")
@RequiredArgsConstructor
public class UserController {

    private final UserService userService;

    private final RedisTemplate<String, String> redisTemplate;


    @ApiOperation("登录")
    @PostMapping("login")
    public String login(@RequestBody LoginReqVO reqVO) {
        if (!StrUtil.isAllNotBlank(reqVO.getUserAccount(), reqVO.getPassword())) {
            throw new BusinessException("用户名不能为空");
        }
        Optional<User> user = userService.lambdaQuery().eq(User::getAccount, reqVO.getUserAccount()).last("limit 1").oneOpt();
        if (!user.isPresent()) {
            throw new BusinessException("未找到用户");
        }
        if (!user.get().getPassword().equals(reqVO.getPassword())) {
            throw new BusinessException("密码错误");
        }
        String token = TokenUtil.creatToken(JSONUtil.toJsonStr(user.get()));
        // 将用户的token保存起来,超时时间为5分钟
        redisTemplate.opsForValue().set(UserTokenConstant.TOKEN_CACHE + user.get().getId(), String.valueOf(System.currentTimeMillis()), 1000 * 5L, TimeUnit.MILLISECONDS);
        return token;
    }

    @ApiOperation("token心跳")
    @PostMapping("keepaliveToken")
    public void keepaliveToken() {
        User user = UserUtil.getUser();
        // 每次心跳都设置为5分钟之后
        redisTemplate.expire(UserTokenConstant.TOKEN_CACHE + user.getId(), 1000 * 5L, TimeUnit.MILLISECONDS);
    }


}