const express = require('express')
const app = express()
const port = 3000

const commands = require("./commands/commands")

app.use(express.static("httpdocs/public"))

const documentRoot = `${__dirname}/httpdocs`

let fileSystem = {
  "/": {
    "file1.txt": "this is the content of file1",
    "projects": "dir"
  },
  "/projects/": {
    "file2.txt": "this is file 2 :0",
    "file3.txt": "and file 3 :D"
  }
}


app.get('/', (req, res) => {
  res.sendFile(documentRoot+"/index.html")
})

app.get("/execute", (req, res)=> {
  const raw_command = req.query.command;
  if (raw_command == ""){
    res.json({"response": ""});
    return;
  }

  const formatted_command = String(raw_command).trim();

  const currentDir = req.query.currentDir

  if (formatted_command.startsWith("ls")){
    commands.ls(req, res, currentDir, fileSystem);
  }
  else if (formatted_command.startsWith("whoami")){
    commands.whoami(req, res);
  }
  else if (formatted_command.startsWith("pwd")){
    commands.pwd(req, res, currentDir);
  }
  else if (formatted_command.startsWith("help"))
  {
    commands.help(req, res);
  } 
  else {
    res.json({"response": "invalid command"})
  }
})

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})