import { join, dirname } from "path"
import { readdirSync } from "fs"
import { projectDir } from "@/project"
import { getState, setState } from "@/session"

export default async function (path: string) {
  if (path.endsWith("/")) path = path.slice(0, path.length - 1)
  const cwd = getState("cwd")
  const root = cwd || projectDir()

  if (path == "..") {
    if (root === projectDir()) return

    setState("cwd", dirname(cwd))
    return
  }

  for (const file of readdirSync(root, { withFileTypes: true })) {
    if (file.name === path && file.isDirectory()) {
      setState("cwd", join(root, file.name))
      return
    }
  }

  return { error: `${path} doesn't exist` }
}