const fs = require("fs");
const path = require("path");
const getSize = require('get-folder-size');

class File {

    static list(content, cb) {

        let files = {files: []};
        let items = 0;

        fs.exists(content.path, exists => {
            if(exists === false) {
                fs.mkdir(content.path,err => {
                    if(err) throw err;
                    if(!err)  cb({error:"dossier cree",files: false}) ;
                })
            }else {
                if(fs.readdirSync(content.path).length !== 0) {
                    fs.readdirSync(content.path).forEach((file,item,array) => {
                        fs.stat(`${content.path}/${file}`, (err,stats) => {
                            if(err) throw err;
                            if(stats.isFile()) {
                                files.files.push({
                                    name: path.parse(file).name,
                                    type: path.extname(file) === ".pdf" ? 'PDF' : "File",
                                    size: stats.size,
                                    lastedit: `${stats.atime.getHours()}:${stats.atime.getMinutes()}`
                                });
                                items++
                            }else if(stats.isDirectory()) {
                                getSize(`${content.path}/${file}`, (err,size) => {
                                    if(err) throw err;
                                    if(size) {
                                        console.log(size + ' bytes');
                                        console.log((size / 1024 / 1024).toFixed(2) + ' Mb');
                                        files.files.push({
                                            name: file,
                                            type: "Directory",
                                            size: size,
                                            lastedit: `${stats.atime.getHours()}:${stats.atime.getMinutes()}`
                                        });

                                    }
                                    items++
                                });

                            }else {
                                files.files.push({
                                    name: file,
                                    type: "undifined",
                                    size: stats.size,
                                    lastedit: `${stats.atime.getHours()}:${stats.atime.getMinutes()}`
                                });
                                items++
                            }
                            if(items === array.length) {
                                cb(files)
                            }
                        })
                    })
                }else {
                    cb({error:"dossier vide",files: false})
                }
            }
        });

    }
}
module.exports = File;