// Access to influxDB vie HTTP

import axios from 'axios'
import { DateTime } from 'luxon'
// import csvParse from 'csv-parser'
import { logit, logerror } from '../utilities/logit.js'
import {returnOnError} from "../utilities/reporterror.js";

let INFLUXHOST = process.env.INFLUXHOST || "localhost"
let INFLUXPORT = process.env.INFLUXPORT || 8086
let INFLUXTOKEN = process.env.INFLUXTOKEN ||
    //"rklEClT22KfdXZhA47eyJhbqcvekb8bcKCqlUG7n72uDSmR2xGvif0CmGJe0WQtXB96y29mmt-9BdsgWA5npfg=="
    "BNR6cGdb006O1T6hQkGcfB8tgH-UPO6QkOPToeAvrP7LATJbCuWi1wYf3HBpVdZQEBxHxNSrNenZsOSMogX-lg=="
let INFLUXDATABUCKET = process.env.INFLUXDATABUCKET || "sensor_data"
let INFLUXORG = process.env.INFLUXORG || "citysensor"

const INFLUXURL_READ = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/query?org=${INFLUXORG}`
const INFLUXURL_WRITE = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/write?org=${INFLUXORG}&bucket=${INFLUXDATABUCKET}`

export const influxRead = async (query) => {
    let start = DateTime.now()
    let erg = { values: [], err: null}
    try {
        let ret = await axios({
            method: 'post',
            url: INFLUXURL_READ,
            data: query,
            headers: {
                Authorization: `Token ${INFLUXTOKEN}`,
                Accept: 'application/csv',
                'Content-type': 'application/vnd.flux'
            },
            timeout: 10000,
        })
        if (ret.status !== 200) {
            let error = ERR.RESPSTATUS.replace('xx',ret.status)
            return returnOnError(erg,  error, influxRead.name)
        }
        erg.values = ret.data
    } catch (e) {
        return returnOnError(erg,  e, influxRead.name)
    }
//    logit(`Influx read time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
    return erg
}


export const influxWrite = async (data) => {
    let start = DateTime.now()
    let ret
    try {
        ret = await axios({
            method: 'post',
            url: INFLUXURL_WRITE,
            data: data,
            headers: {
                Authorization: `Token ${INFLUXTOKEN}`,
                Accept: 'application/json',
                'Content-Type': 'text/plain; charset=utf-8'
            },
            timeout: 10000,
        })
        if (ret.status !== 204) {
            logerror(`doWrite2API Status: ${ret.status}`)
        }
    } catch (e) {
        logerror(`doWrite2API  ${e}`)
    }
    logit(`Influx-Write-Time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
    return ret
}