/**
 * convertisseur de données de bornes de recharge électrique à partir de données Chargemap et open data Etalab
 */
import fs from 'node-fs'
import minimist from 'minimist'
import mappingConfigIRVE from 'mappings/configIRVE'
import mapping_engine from "./mappings/engine";
import {debugLog} from "./mappings/utils";

// let debugLog = custom_utils.debugLog

let mapping_engine = new mapping_engine(mappingConfigIRVE);
let use_mappping_engine = false;

let mini_arguments = minimist(process.argv.slice(2))


// let sourceFileChargemapJson = './chargemap_data/hurepoix.json'
let sourceFilePathGeoJson = './etalab_data/latest.json'


// wip filter
let filterOnBoundingBox = true
filterOnBoundingBox = false

let boundingBoxCoordinates = {
    xMin: 1.91,
    xMax: 2.38,
    yMin: 48.7,
    yMax: 48.4,
}

let filterCoordinates = true
let enable_filter_on_department = true
let filterDepartment = 91
if (mini_arguments['department']) {
    filterDepartment = mini_arguments['department']
}
if (mini_arguments['source']) {
    sourceFilePathGeoJson = mini_arguments['source']
}

let filterZipCode = new RegExp(`^${filterDepartment}`)
let filterZipCodeAdresse = new RegExp(` ${filterDepartment}`)
let filteredName = ''

if (enable_filter_on_department) {
    filteredName = '_filtered_zipcode_' + filterDepartment
} else if (filterOnBoundingBox) {
    filteredName = '_filtered_bbox_' + boundingBoxCoordinates.xMin + '-' + boundingBoxCoordinates.xMax + '_' + boundingBoxCoordinates.yMin + '-' + boundingBoxCoordinates.yMax
}
let pointCounterMax = 1000000

let limitConversionToFirstPoint = false
// limitConversionToFirstPoint = true;
if (limitConversionToFirstPoint) {
    pointCounterMax = 1
}
let defaultPropertiesOfPoint = {
    'amenity': 'charging_station'
}


let listOfBooleanKeys = Object.keys({
    prise_type_ef: 'socket:typee',
    prise_type_2: 'socket:type2',
    prise_type_combo_ccs: 'socket:type2_combo',
    prise_type_chademo: 'socket:chademo',
    gratuit: 'fee',
    paiement_acte: 'authentication:none',
    paiement_cb: 'payment:credit_cards',
    cable_t2_attache: 'socket:type2_cable',
})


let converted_geo_json = {
    type: 'FeatureCollection',
    features: []
}
/**
 *
 * @param sourceFilePath
 * @param mapping
 * @param pointCounterMax
 * @param boundingBoxCoordinates
 */
function convertDataForIRVE(sourceFilePath, mapping, pointCounterMax, boundingBoxCoordinates) {
    debugLog('convertDataFromChargemap from ', sourceFilePath)


    fs.readFile(sourceFilePath, 'utf8', function (err, data) {
        let point_counter = 0
        if (err) {
            return debugLog(err)
        }
        let data_transformed = JSON.parse(data)
        // debug('data keys ', Object.keys(dataTransformed))

        debugLog('debug: properties of point 0', data_transformed.features[0])
        if (data_transformed.features) {

            debugLog('data found, features:', data_transformed.features.length)

            // find interesting list of points to use
            let list_of_points = data_transformed.features
            // for each point from the data source, convert with the mapping

            console.log('listOfPoints.length', list_of_points.length)
            list_of_points.forEach(feature_point => {

                let regex_filter_test_result = true

                if (enable_filter_on_department) {
                    console.log('filtre sur les départements activé')
                    regex_filter_test_result = (
                        filterZipCode.test(feature_point.properties.consolidated_code_postal)
                        ||
                        filterZipCodeAdresse.test(feature_point.properties.adresse_station)
                    )
                } else if (filterOnBoundingBox) {
                    console.log('filtre sur les coordonnées activé')

                    let x = feature_point.properties.coordonneesXY[0]
                    let xMin = boundingBoxCoordinates.xMin
                    let xMax = boundingBoxCoordinates.xMax
                    let yMin = boundingBoxCoordinates.yMin
                    let yMax = boundingBoxCoordinates.yMax

                    let y = feature_point.properties.coordonneesXY[1]
                    regex_filter_test_result = (
                        (x >= xMin && x <= xMax)
                        &&
                        (y >= yMin && y <= yMax)
                    )

                }

                // filter points depending on zipcode
                if (filterCoordinates && regex_filter_test_result) {

                    debugLog('featurePoint.properties.consolidated_code_postal', feature_point.properties.consolidated_code_postal)

                    // limit results number of points
                    // if (pointcounter < pointCounterMax) {

                    debugLog('add point')

                    debugLog('featurePoint', feature_point)

                    let mapped_point = {};

                    if (use_mappping_engine) {
                        mapping_engine.setConfig(mapping)
                         mapped_point = mapping_engine.mapFeaturePoint(feature_point)
                    } else {
                         mapped_point = mapElementFromConfSimple(feature_point, mapping)
                    }
                    debugLog('map one point', feature_point, mapped_point)
                    if (mapped_point) {
                        converted_geo_json.features.push(mapped_point)
                    }
                }
                // }
                point_counter++

            })
            // output new geojson
            console.log('convertedGeoJson.features.length', converted_geo_json.features.length)
            // write file on disk
            let fileNameToWrite = 'my_converted_data_set' + filteredName + '.json'
            console.log('write file ', fileNameToWrite)
            writeJsonFile(fileNameToWrite, JSON.stringify(converted_geo_json, null, 2))

            debugLog('mapped output:', converted_geo_json.features)

            return converted_geo_json
        }
    })
}


/**
 * retuns the converted element from mapping config if present, null otherwise
 */
function mapElementFromConfSimple(featurePoint, mappingConfig)
{
    let mappingKeys = Object.keys(mappingConfig)
    let featurePointPropertiesKeys = Object.keys(featurePoint.properties)

    debugLog('keys', mappingKeys, featurePointPropertiesKeys)

    let newProperties = defaultPropertiesOfPoint

    // reinit properties of current point
    let basePoint = Object.create(featurePoint)
    basePoint.type = featurePoint.type
    basePoint.geometry = featurePoint.geometry
    basePoint.properties = newProperties

    // apply new properties if found in mapping config
    featurePointPropertiesKeys.forEach(pointKeyName => {

        if (mappingKeys.indexOf(pointKeyName) !== -1) {
            debugLog('found element', pointKeyName, '=>', mappingConfig[pointKeyName], 'value : ', featurePoint.properties[pointKeyName])
            let convertedValue = ''
            if (isBooleanKey(pointKeyName)) {

                convertedValue = featurePoint.properties[pointKeyName].toLowerCase() == 'true' ? 'yes' : 'no'
            } else {
                convertedValue = featurePoint.properties[pointKeyName]
            }

            if (convertedValue) {
                newProperties[mappingConfig[pointKeyName]] = convertedValue
            }
        }
    })

    debugLog('basePoint', basePoint)
    return basePoint
}

function writeJsonFile(fileName, fileContent) {
    debugLog('write file ', fileName)

    return fs.writeFile(
        `./output/${fileName}`,
        fileContent,
        'utf8',
        (err) => {
            if (err) {
                debugLog(`Error writing file: ${err}`)
            } else {
                debugLog(`File ${fileName} is written successfully!`)
            }
        }
    )
}

console.log('pointCounterMax', pointCounterMax)
convertDataForIRVE(sourceFilePathGeoJson, mappingConfigIRVE, pointCounterMax, boundingBoxCoordinates)