// Fetch the properties for the given sensor

import * as mongo from "../databases/mongo.js"
import * as mock from "../mocks/mongo_mock.js"
import {returnOnError} from "../utilities/reporterror.js"
import checkParams from "../utilities/checkparams.js"

const mockdb = false

let readProperties
if (mockdb) {
    readProperties = mock.readProperties
} else {
    readProperties = mongo.readProperties
}

// Read properties for sensorid and properties for all other sensors on same location
export const getOneProperty = async (params) => {
    let properties = {props: {}, err: null}
    let {opts, err} = checkParams(params, {mandatory:[{name:'sensorid', type: 'int'}], optional:[]})
    if (err) {
        return returnOnError(properties, err, getOneProperty.name)
    }
    let sensorEntries = [];
    try {
        let pp = await readProperties({sid: opts.sensorid});  // read for given sensorID
        if ((pp.properties == null) || (pp.error)) {
            return returnOnError(properties, 'NOPROPSREAD', getOneProperty.name, opts.sensorid)
        }
        // now find sensors with same location
        let query = {"location.0.id": pp.properties.location[0].id}
        let others = await readProperties(query)
        if (others.err) {
            return returnOnError(properties, 'NOPROPSREAD', getOneProperty.name, others.errortext)
        }
        if (others.properties.length > 0) {
            for (const x of others.properties) {
                if(x._id === pp.properties._id)  {
                    continue
                }
                sensorEntries.push({name: x.name[0].name, sid: x._id})
            }
        }
        properties.props = pp.properties
        properties.props.othersensors = sensorEntries;
    } catch (e) {
        return returnOnError(properties, e, getOneProperty.name)
    }
    return properties
}