package cc.mrbird.febs.common.service;
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import cc.mrbird.febs.common.entity.FebsConstant;
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import cc.mrbird.febs.common.entity.ImageType;
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import cc.mrbird.febs.common.exception.FebsException;
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import cc.mrbird.febs.common.properties.FebsProperties;
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import cc.mrbird.febs.common.properties.ValidateCodeProperties;
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import cn.hutool.json.JSONObject;
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import cn.hutool.json.JSONUtil;
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import com.wf.captcha.GifCaptcha;
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import com.wf.captcha.SpecCaptcha;
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import com.wf.captcha.base.Captcha;
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import lombok.RequiredArgsConstructor;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.stereotype.Service;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 验证码服务
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*
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* @author MrBird
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*/
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@Service
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@RequiredArgsConstructor
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public class ValidateCodeService {
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private final RedisService redisService;
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private final FebsProperties properties;
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public void create(HttpServletRequest request, HttpServletResponse response) throws IOException {
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HttpSession session = request.getSession();
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String key = session.getId();
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ValidateCodeProperties code = properties.getCode();
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setHeader(response, code.getType());
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Captcha captcha = createCaptcha(code);
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redisService.set(FebsConstant.CODE_PREFIX + key, StringUtils.lowerCase(captcha.text()), code.getTime());
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captcha.out(response.getOutputStream());
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}
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public void check(String key, String value) throws FebsException {
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Object codeInRedis = redisService.get(FebsConstant.CODE_PREFIX + key);
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if (StringUtils.isBlank(value)) {
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throw new FebsException("请输入验证码");
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}
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if (codeInRedis == null) {
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throw new FebsException("验证码已过期");
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}
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if (!StringUtils.equalsIgnoreCase(value, String.valueOf(codeInRedis))) {
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throw new FebsException("验证码不正确");
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}
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}
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private Captcha createCaptcha(ValidateCodeProperties code) {
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Captcha captcha;
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if (StringUtils.equalsIgnoreCase(code.getType(), ImageType.GIF)) {
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captcha = new GifCaptcha(code.getWidth(), code.getHeight(), code.getLength());
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} else {
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captcha = new SpecCaptcha(code.getWidth(), code.getHeight(), code.getLength());
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}
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captcha.setCharType(code.getCharType());
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return captcha;
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}
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private void setHeader(HttpServletResponse response, String type) {
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if (StringUtils.equalsIgnoreCase(type, ImageType.GIF)) {
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response.setContentType(MediaType.IMAGE_GIF_VALUE);
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} else {
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response.setContentType(MediaType.IMAGE_PNG_VALUE);
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}
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response.setHeader(HttpHeaders.PRAGMA, "No-cache");
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response.setHeader(HttpHeaders.CACHE_CONTROL, "No-cache");
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response.setDateHeader(HttpHeaders.EXPIRES, 0L);
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}
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// public static void main(String[] args) {
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// List<Integer> lists = new ArrayList<>();
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//// lists.add(1);
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//// lists.add(2);
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//// lists.add(3);
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//// lists.add(4);
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// System.out.println(lists);
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// List<Integer> collect = lists
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// .stream()
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// .filter(list -> 1 == list)
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// .collect(Collectors.toList());
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//
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// System.out.println(collect);
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//
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// List<Integer> collect1 = lists.stream().filter(
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// list -> {
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// if (1 != list) {
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// return true;
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// }
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// return false;
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// }
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// ).collect(Collectors.toList());
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//
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// System.out.println(collect1);
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//
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//
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// List<Integer> list2 = new ArrayList<>();
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// Random rd = new Random();
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// for (int i = 0; i < 100; i++) {
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// list2.add(rd.nextInt(101));// 随机产生一个[0,100]的数字
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// }
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// System.out.println(list2);
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// // 流处理, 进行数据处理
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// DoubleSummaryStatistics ds = list2.stream().collect(Collectors.summarizingDouble(e -> e));
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// Map<Boolean, List<Integer>> collect2 = list2.stream().collect(Collectors.partitioningBy(e -> e >= 60));
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// Map<Boolean, List<Integer>> collect3 = list2.stream().collect(Collectors.partitioningBy(e -> e >= 80));
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// Map<Boolean, List<Integer>> collect4 = list2.stream().collect(Collectors.partitioningBy(e -> e >= 200));
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// System.out.println("平均分"+ds.getAverage());
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// System.out.println("最高分"+ds.getMax());
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// System.out.println("最低分"+ds.getMin());
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// System.out.println("总分"+ds.getSum());
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// System.out.println("人数"+ds.getCount());
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// System.out.println("大于60分"+collect2.toString());
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// System.out.println("大于80分"+collect3.get(true).toString());
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// System.out.println("大于90分"+collect4.get(true).toString());
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// JSONObject jsonObject = JSONUtil.parseObj(collect2);
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// System.out.println(jsonObject);
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//
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// }
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}
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