const fs = require('fs')
const path = require('path')
const { formatTime, formatSize } = require('./utils')
const ip = require('ip')
const express = require('express')
const app = express()
/**
 * @description 递归获取文件夹下所有文件和文件夹，返回树形结构
 * @param {String} filePath 文件夹路径
 * @returns {Array} 文件树
 */
const fileDisplay = (filePath) => {
    const files = fs.readdirSync(filePath)
    const fileList = []
    files.forEach((filename) => {
        const filedir = path.join(filePath, filename)
        const stats = fs.statSync(filedir)
        const isFile = stats.isFile()
        const isDir = stats.isDirectory()
        //跳过隐藏文件和modules文件夹
        if (filename.startsWith('.') || filename === 'node_modules') return
        if (isFile) {
            fileList.push({
                name: filename,
                type: 'file',
                fileType: path.extname(filename),
                size: formatSize(stats.size),
                time: formatTime(stats.mtime),
                //访问路径
                url: `http://${ip.address()}:12345/${path.relative(path.resolve(__dirname, './'), filedir).replace(/\\/g, '/')}`,
            })
        }
        if (isDir) {
            fileList.push({
                name: filename,
                type: 'dir',
                time: formatTime(stats.mtime),
                size: formatSize(stats.size),
                children: fileDisplay(filedir),
            })
        }
    })
    return fileList
}

module.exports = fileDisplay