package com.zy.acs.hex.influxdb.task;


import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.zy.acs.hex.utils.HttpGo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.io.IOException;
import java.time.Duration;
import java.util.HashMap;
import java.util.Map;

@Slf4j
@Component
public class InfluxDbScheduler {


    @Value("${influxdb3.createDatabaseUrl}")
    private String createDatabaseUrl;


    @Value("${influxdb3.database}")
    private String databaseName;

    @Value("${influxdb3.token}")
    private String token;

    @Value("${influxdb3.retention-period}")
    private String retentionPeriod;


    private static Long timeoutSeconds = 30L;

    private HttpGo http;

    @PostConstruct
    public void init() {
        this.http = HttpGo.builder()
                .connectTimeout(Duration.ofSeconds(timeoutSeconds))
                .readTimeout(Duration.ofSeconds(timeoutSeconds))
                .build();
        createDatabase();
    }


    public void createDatabase() {
        // headers
        Map<String, String> headers = new HashMap<>();
        headers.put("Authorization", "Bearer " + token);
        headers.put("Content-Type", "application/json;charset=UTF-8");
        try {
            HttpGo.HttpResponse response = this.http.get(createDatabaseUrl + "?format=json", headers, null);
            if (!isExist(response.body())) {
                Map<String, String> parames = new HashMap<>();
                parames.put("db", databaseName);
                parames.put("retention-period", retentionPeriod);
                HttpGo.HttpResponse postResponse = this.http.postJson(createDatabaseUrl, headers, JSON.toJSONString(parames));
                log.info("是否创建数据库：{}", postResponse);
            }else {
                log.info("数据库：{}", response.body());
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

    }

    private boolean isExist(String databases) {
        JSONArray objects = JSON.parseArray(databases);
        for (Object object : objects) {
            JSONObject obj = (JSONObject) object;
            if (obj.getString("iox::database").equals(databaseName)) {
                return true;
            }
        }
        return false;
    }


}