prim/source/prompt/rps1.d

module prompt.rps1;

import std.conv;
import std.regex;
import std.array;

import std.file : getcwd;
import std.path : expandTilde;
import std.algorithm : reverse;

import prim.opt;

import style;
import style.color;
import style.font;

string rps1(Opts opt) {
  string ps;

  string home = expandTilde("~");
  string path = replaceFirst(getcwd(), regex(home), "~");

  string[] splitPath = path.split("/").reverse();

  string[] revSplitPath;
  for (int i = 0; i < opt.pathlen; i++) {
    if (i >= splitPath.length)
      break;

    revSplitPath ~= splitPath[i];
  }

  splitPath = revSplitPath.reverse();

  ps ~= splitPath.join("/");

  return ps.set(Font.italic).set(Color.yellow);
}