package com.itniotech.api.demo.im;

import cn.hutool.core.map.MapUtil;
import cn.hutool.crypto.SecureUtil;
import cn.hutool.http.Header;
import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpResponse;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
 
private static void createTemplate() {
    final String baseUrl = "https://api.itniotech.com/wa/";
    final String apiKey = "your api key";
    final String apiPwd = "your api secret";
    final String appId = "your appid";

    final String templateName = "template name"; //the template name
    final String language = "language code"; // the template support language
    final int channelType = 0; //channelType: 0-WhatsApp, default is 0
    final int type = 1;

    final String url = baseUrl.concat("template/add");

    HttpRequest request = HttpRequest.post(url);

    // currentTime
    final String datetime = String.valueOf(LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant().getEpochSecond());

    final String sign = SecureUtil.md5(apiKey.concat(apiPwd).concat(datetime));
    request.header(Header.CONNECTION, "Keep-Alive")
            .header(Header.CONTENT_TYPE, "application/json;charset=UTF-8")
            .header("Sign", sign)
            .header("Timestamp", datetime)
            .header("Api-Key", apiKey);

    String headerJson = "{\"type\":\"HEADER\",\"format\":0,\"text\":\"智能otp正在{{#}}活动中\",\"example\":{\"header_text\":[\"打折\"]}}";
    String bodyValJson = "{\"type\":\"BODY\",\"text\":\"公司新开业, {{#}}活动火热进行中....\",\"example\":{\"body_text\":[[\"打折\"]]}}";
    String footerJson = "{\"type\":\"FOOTER\",\"text\":\"颂量科技\"}";


    Map componentsMap = MapUtil.builder("header", JSONUtil.parseObj(headerJson))
                                                .put("body", JSONUtil.parseObj(bodyValJson))
                                                .put("footer", JSONUtil.parseObj(footerJson))
                                                .build();

    String body = JSONUtil.createObj()
            .set("appId", appId)
            .set("channelType", channelType)
            .set("templateName", templateName)
            .set("type", type)
            .set("components", componentsMap)
            .set("language", language)
            .toString();

    HttpResponse response = request.body(body).execute();
    if (response.isOk()) {
        String result = response.body();
        System.out.println(result);
    }
}