/**
 * conversion de sms en XML exportés par Sms backup and restore
 * au format des évènements csv
 */

import fs from 'node-fs'
import convert from 'xml-js'
import { writeFileInOuputFolderFromJsonObject } from './utils.mjs'

/**********************
 * initialize configs
 **********************/

// const sourceFileBaseName = 'sms-20180423162531'
const sourceFileBaseName = 'sms'
const sourceFileName = `${sourceFileBaseName}.xml`
const outputFileJson = `${sourceFileBaseName}.json`
const outputFileCsv = `${sourceFileBaseName}.tsv`
const folder_base = '/home/tykayn/Nextcloud/ressources/social sorting/'

const outputFileJsonPathFull = `${folder_base}output/${outputFileJson}`
const sourceFileJson = `${folder_base}output/${outputFileJson}`
const sourceFilePath = folder_base + sourceFileName

let headers = []
let tasksObjectsForJsonExport = []
let headersByKind = {}
let writeJsonAfterParse = false
writeJsonAfterParse = true

/**************************************************************
 * fetch the source file to read its contents
 *************************************************************/

// console.log('parse some org file', sourceFilePath)
if (!sourceFilePath) {
	console.error('pas de fichier à ouvrir')
}

function convertToCsv (elementsArray) {
	elementsArray.forEach(item => {
		// console.log('item._attributes.date_sent', item._attributes.date_sent)
		// console.log('item._attributes.contact_name', item._attributes.date_sent)
		// console.log('item._attributes.body', item._attributes.date_sent)
	})
}

/**
 * convert a json object to a tsv file and save it
 * @param jsonFilePath
 * @param outputFileTSVName
 */
function convertJsonToCsvAndPersistTSVFile (jsonFilePath, outputFileTSVName) {

	console.log('convert', folder_base+'output/' + jsonFilePath)
	fs.readFile(folder_base+'output/' + jsonFilePath, 'utf8', function (err, data) {

		console.log('data', data.length)
		if (data) {

			const events = [

				'amount\t' +
				'content\t' +
				'description\t' +
				'destination\t' +
				'end\t' +
				'kind of activity\t' +
				'person\t' +
				'place\t' +
				'source\t' +
				'start\t' +
				'unique id\t' +
				'url\t'
			]
			data = JSON.parse(data)
			// console.log('data.length', data.length)
			console.log('data', Object.keys(data))
			let smslist = data['elements'][1]['elements']
			if (smslist) {
				smslist.forEach(item => {

					// convert all fields to common event description
					events.push(
						'\t' +
						item.attributes.body.replace('\n', '   ') + '\t' +
						'sms ' + item.attributes.address + ' le ' + item.attributes.readable_date + '\t' +
						item.attributes.address + '\t' +
						'' + '\t' +
						'' + '\t' +
						item.attributes.contact_name + '\t' +
						'' + '\t' +
						'' + '\t' +
						'' + '\t' +
						'' + '\t' +
						'' + '\t'
					)
				})
				// // console.log('events', events)
				writeFileInOuputFolderFromJsonObject(outputFileTSVName, events.join('\n')).then(res => {
					// console.log('res', typeof res)
				})
			} else {
				console.log('no sms in data')
			}

		} else {
			console.error('no data in xml file ' + jsonFilePath)
		}
	})
}

function openSourceFile () {

	fs.stat(sourceFilePath, function (err, data) {
		if (err == null) {
			// console.log(`File ${sourceFilePath} exists`)

			/**********************
			 * loop to parse all
			 *********************/
			fs.readFile(sourceFilePath, 'utf8', function (err, data) {
				// // console.log('data', data)
				var jsonConversion = convert.xml2json(data)
				console.log('jsonConversion keys', Object.keys(jsonConversion))
				// console.log('jsonConversion.length', parseFloat(jsonConversion.length / 1024 / 1024, 2), 'Mo')

				writeFileInOuputFolderFromJsonObject(outputFileJson, JSON.parse( jsonConversion))
				convertJsonToCsvAndPersistTSVFile(outputFileJson, outputFileCsv)

			})

		} else if (err.code === 'ENOENT') {
			// file does not exist
			console.error(`le fichier ${sourceFilePath} est introuvable. Impossible d en extraire des infos.`, err)

		} else {
			console.log('Some other error: ', err.code)
		}
	})
}

openSourceFile()
// convertJsonToCsvAndPersistTSVFile(outputFileJson, outputFileCsv)