package com.ruoyi.web.controller.common;

import com.google.code.kaptcha.Producer;
import com.ruoyi.common.annotation.Anonymous;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.sign.Base64;
import com.ruoyi.common.utils.uuid.IdUtils;
import com.ruoyi.generator.util.SendSms;
import com.ruoyi.generator.util.SendSmsTencent;
import com.ruoyi.system.service.ISysConfigService;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;

/**
 * 验证码操作处理
 *
 * @author ruoyi
 */
@RestController
public class CaptchaController {
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;

    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private SendSmsTencent sendSmsTencent;

    /**
     * 生成验证码
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode(HttpServletResponse response) throws IOException {
        AjaxResult ajax = AjaxResult.success();
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        ajax.put("captchaEnabled", captchaEnabled);
        if (!captchaEnabled) {
            return ajax;
        }

        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;

        String capStr = null, code = null;
        BufferedImage image = null;

        // 生成验证码
        String captchaType = RuoYiConfig.getCaptchaType();
        if ("math".equals(captchaType)) {
            String capText = captchaProducerMath.createText();
            capStr = capText.substring(0, capText.lastIndexOf("@"));
            code = capText.substring(capText.lastIndexOf("@") + 1);
            image = captchaProducerMath.createImage(capStr);
        } else if ("char".equals(captchaType)) {
            capStr = code = captchaProducer.createText();
            image = captchaProducer.createImage(capStr);
        }

        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        // 转换流信息写出
        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
        try {
            ImageIO.write(image, "jpg", os);
        } catch (IOException e) {
            return AjaxResult.error(e.getMessage());
        }

        ajax.put("uuid", uuid);
        ajax.put("img", Base64.encode(os.toByteArray()));
        return ajax;
    }

    @GetMapping("/captchaCode")
    @Anonymous
    public AjaxResult getSmsCode(String phoneNumber, String smsType) throws ExecutionException, InterruptedException {
        //校验手机号
        boolean isPhone = StringUtils.checkPhoneNumber(phoneNumber);
        if (!isPhone) {
            return AjaxResult.error("手机号不正确!");
        }

        if (StringUtils.isBlank(smsType)) {
            return AjaxResult.error("参数异常!");
        }

        //1.生成随机四位验证码
        Random random = new Random();
        int code = 1000 + random.nextInt(9000);
        String verifyKey = "";
        switch (smsType) {
            case "login":
                verifyKey = CacheConstants.SMS_LOGIN_CODE_KEY + phoneNumber;
                break;
            case "register":
                verifyKey = CacheConstants.SMS_REGISTER_CODE_KEY + phoneNumber;
                break;
            case "update":
                verifyKey = CacheConstants.SMS_UPDATE_PASSWORD_CODE_KEY + phoneNumber;
                break;
            case "verify":
                verifyKey = CacheConstants.SMS_VERIFY_CODE_KEY + phoneNumber;
                break;
        }

        if (Strings.isBlank(verifyKey)) {
            return AjaxResult.error("参数异常!");
        }

        //2.发送验证码
        SendSms.sendMsg("次元时代", "SMS_491395317", phoneNumber, String.valueOf(code));
        //sendSmsTencent.sendMsg("次元时代", "SMS_491395317", phoneNumber, String.valueOf(code));
        //3.存入redis

        redisCache.setCacheObject(verifyKey, code, 120, TimeUnit.MINUTES);
        return AjaxResult.success("短信验证码发送成功!");
    }
}