package com.ttstd.videotablet.controller;

import com.aliyun.dysmsapi20170525.models.SendSmsResponse;
import com.aliyun.tea.TeaException;
import com.ttstd.videotablet.result.Result;
import com.ttstd.videotablet.sms.SendSms;
import com.ttstd.videotablet.utils.TextUtils;
import org.apache.commons.lang3.RandomStringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.time.Duration;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
public class SmsController {
    private static final int LOGIN_CODE_TTL = 5;

    //引入 redis
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    @GetMapping("/verify_code")
    public Result getMethodName(@RequestParam("phone") String phone) {
        if (TextUtils.isEmpty(phone)) {
            return Result.error().message("phone number is empty");
        }
        String oldCode = stringRedisTemplate.opsForValue().get(phone);
        if (TextUtils.isEmpty(oldCode)) {
            String code = SendSms.generatedcode(6);
            return sendCode(phone, code);
        } else {
            return sendCode(phone, oldCode);
        }
    }

    private Result sendCode(String phone, String code) {
        try {
            com.aliyun.dysmsapi20170525.Client client = createClient();
            com.aliyun.dysmsapi20170525.models.SendSmsRequest sendSmsRequest = new com.aliyun.dysmsapi20170525.models.SendSmsRequest()
                    .setSignName("同同的小站")
                    .setTemplateCode("SMS_468370574")
                    .setPhoneNumbers(phone)
                    .setTemplateParam("{\"code\":\"" + code + "\"}");
            com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
            // 复制代码运行请自行打印 API 的返回值
            SendSmsResponse sendSmsResponse = client.sendSmsWithOptions(sendSmsRequest, runtime);
//            System.out.println(sendSmsResponse.body.toMap());
//            System.out.println(sendSmsResponse.getBody().getMessage());
//            System.out.println(sendSmsResponse.getBody().getCode());
            if ("OK".equals(sendSmsResponse.getBody().getCode())) {
                String randomString = RandomStringUtils.randomAlphanumeric(32);
                long expireAt = System.currentTimeMillis() + Duration.ofMinutes(5).toMillis();
                Map<String, Object> map = new HashMap<>();
                map.put("phone", phone);
                map.put("code", code);
                map.put("sms", sendSmsResponse.getBody().getMessage());
                map.put("verifyKey", randomString);
                map.put("expireAt", expireAt);
                //4.保存验证码到Redis,并且设置有效期5分钟
                redisTemplate.opsForValue().set(phone, map, Duration.ofMinutes(5));
                return Result.ok().data(map);
            } else {
                return Result.error().message(sendSmsResponse.getBody().getMessage());
            }
        } catch (TeaException error) {
            // 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。
            // 错误 message
            System.out.println(error.getMessage());
            // 诊断地址
            System.out.println(error.getData().get("Recommend"));
            com.aliyun.teautil.Common.assertAsString(error.message);
            return Result.error().data("sms", error.message);
        } catch (Exception _error) {
            TeaException error = new TeaException(_error.getMessage(), _error);
            // 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。
            // 错误 message
            System.out.println(error.getMessage());
            // 诊断地址
            System.out.println(error.getData().get("Recommend"));
            com.aliyun.teautil.Common.assertAsString(error.message);
            return Result.error().data("sms", error.message);
        }
    }


    /**
     * 使用AK&SK初始化账号Client
     *
     * @return Client
     * @throws Exception
     */
    public com.aliyun.dysmsapi20170525.Client createClient() throws Exception {
        // 工程代码泄露可能会导致 AccessKey 泄露，并威胁账号下所有资源的安全性。以下代码示例仅供参考。
        // 建议使用更安全的 STS 方式，更多鉴权访问方式请参见：https://help.aliyun.com/document_detail/378657.html。
        com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_ID。
                .setAccessKeyId("LTAI5tEVYLeg7U3bP58n3Xkj")
                // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_SECRET。
                .setAccessKeySecret("bbPSlxkaGgkhUPaCOP7CANaNNY1b2p");
        // Endpoint 请参考 https://api.aliyun.com/product/Dysmsapi
        config.endpoint = "dysmsapi.aliyuncs.com";
        return new com.aliyun.dysmsapi20170525.Client(config);
    }
}