/**---------------------
 * @name tykayn Rangement
 * @description Rangement sorts and rename files depending on their exif data
 * @contact contact@cipherbliss.com
  --------------------- */
/** ---------------------
    libs
  --------------------- */
import fs from 'node-fs'
import minimist from 'minimist'
import log from 'loglevel';

/** ---------------------
    custom utilities and configuration
 --------------------- */
import { enableTestsLocally, reportStatistics,tagSectionSeparator, tagSeparator } from './configs.mjs'
import {
	TestFindFormattedDate,
	TestScreenShotIsFoundAndRenamed,
	TestTagsAreDetectedInFileName
} from './testFunctions.mjs'
import finder from './finder.mjs'

let mini_arguments
log.setLevel('info')
log.info(' ')

function parseArguments () {
	mini_arguments = minimist(process.argv.slice(2))
	log.info('arguments', mini_arguments)
}

parseArguments()

function renameFile (originalFileName, fileMixedNewName) {
	fs.rename(originalFileName, fileMixedNewName, function (err) {
		log.info('name changed', fileMixedNewName)
		if (err) log.info('rename ERROR: ' + err)
	})
}

function appendFileName (fileProperties, newText) {
	fileProperties.freeText = finder.cleanSpaces(fileProperties.freeText + ' ' + newText)
	return fileProperties
}

function prependFileName (fileProperties, newText) {
	fileProperties.freeText = finder.cleanSpaces(newText + ' ' + fileProperties.freeText)
	return fileProperties
}

function makeFileNameFromProperties(fileProperties) {

	let tagPlace = ''
	if (fileProperties.tags.length) {
		tagPlace = ' ' + tagSectionSeparator + ' '
	}
	// return finder.cleanSpaces(fileProperties.dateStamp + ' ' + fileProperties.freeText + tagPlace + fileProperties.tags.join(tagSeparator) + fileProperties.extension).replace(+' ' + tagSectionSeparator + ' ' + '.', '.')
	return ''+fileProperties.dateStampExif + ' ' + fileProperties.freeText + tagPlace + fileProperties.tags.join(tagSeparator) + fileProperties.extension
}

function shouldWeChangeName (structureForFile) {
	log.info(' ______ allez hop fini la recherche on fait un nouveau nom')
	log.info('structureForFile', structureForFile)
	let newName = makeFileNameFromProperties(structureForFile)
	if (structureForFile.fileNameOriginal !== newName) {

		log.info('\n ancien nom :', structureForFile.fileNameOriginal)
		// log.info(' nouveau nom:', foundDate +structureForFile.freeText + structureForFile.tags.join(tagSeparator) + structureForFile.extension )
		log.info(' nouveau nom:', newName)
		if(! mini_arguments.dryRun){
			renameFile(structureForFile.fullPath, structureForFile.folderPath + newName)
		}
		else{
			log.info('no renaming for real, this is a dry run')
		}
	} else {
		log.info(' rien à changer')
	}

}

async function guessFileNameOnAllFilesFromArguments () {

	// parcourir les dossiers
	// parcourir les fichiers

	log.info('liste des fichiers', mini_arguments._)
	let fileList = mini_arguments._

	fileList.forEach(fullPath => {

			let structureForFile = finder.destructurateFileName(fullPath)

			// examiner les infos exif de chaque fichier pour proposer un nouveau nom
			if (!structureForFile.dateStampInFileNameOriginal) {
				log.info('    le nom de fichier ne contient pas de date formatée au début')

				finder.findExifCreationDate(structureForFile.fullPath)
					.then(data => {
							log.info(' ... chercher la date de création')
							let foundDate = finder.findEarliestDateInExifData(data)

							log.info(' =>>>>>>> foundDate : ', foundDate)
							if (foundDate) {


								// finder.findEarliestDateInExifData(fullPath).then(response => {
								// 	log.info(' ... trouvée')
								// 	if (response) {
										structureForFile.dateStampExif = foundDate

										shouldWeChangeName(structureForFile)
								// 	}
								// })

							} else {
								log.info('pas de date trouvée dans le nom')
							}

						}
						,
						(error) => {
							log.info('/////////// Error in reading exif of file: ' + error.message)
							return ''
						})
			}
		}
	)

}

guessFileNameOnAllFilesFromArguments()

// run tests
if (enableTestsLocally) {

	TestTagsAreDetectedInFileName()
	TestFindFormattedDate()
	TestScreenShotIsFoundAndRenamed()
}
if (reportStatistics || mini_arguments.stats) {
	finder.reportStatistics()
}