import { URL } from 'url'
import * as path from 'path'

const filenamify = require('filenamify')
const _sanitize = require("sanitize-filename")

const sanitize_ex = (f) => {
    let str: string = filenamify(_sanitize(f)).replace(/[^\x00-\x7F]/g, "").replace('_', '');
    return str;
}

export interface IDownloadUrl{
    urlParts: URL
    pathParts: path.ParsedPath
    filename: string
    path:string
    url: string
}

export const parseForDownload = (url: string, dst: string) : IDownloadUrl => {

    const parsed = new URL(url);
    const parts = path.parse(parsed.pathname)

    const filename = sanitize_ex(decodeURI(parts.base))
    const downloadPath = path.resolve(`${dst}/${filename}`)
    const downloadUrl = parsed.origin + parsed.pathname
    
    return {
        urlParts:parsed,
        pathParts: parts,
        filename: filename,
        path: downloadPath,
        url: downloadUrl
    }
}