#!/usr/bin/sh

HOMEDIR=~
which fd > /dev/null
if [ 0 = $? ]; then
  if [ -n "$1" ]; then
    SEL_DIR=$(fd "$1" ~ --type directory | fzf) # if fd-find is installed
  else
    SEL_DIR=$(fd . ~ --type directory | fzf) # if fd-find is installed
  fi
else
  if [ -n "$1" ]; then
      SEL_DIR=$(find ~ -not -path "*/.*" -type d -name "$1" -print 2>/dev/null | fzf)
  else
    SEL_DIR=$(find ~ -not -path "*/.*" -type d -print 2>/dev/null | fzf)
  fi
fi

if [ "$?" -ne 0 ]; then
  exit
fi

SEL_NAME=$(basename "$SEL_DIR")

new_session_name(){
  RET=0
  while [ $RET -eq 0 ]; do
    clear
    read -p "New session name: " SEL_NAME
    if [ -z "$SEL_NAME" ]; then
      clear
    else
      RET=1
    fi
  done
}

if [ -z "$SEL_DIR" ] || [ -n "$SEL_DIR" ] && [ "$SEL_DIR" = "$HOMEDIR" ]; then
  new_session_name
else
  RET=0
  while [ $RET -eq 0 ]; do
    clear
    read -r -p "Choose a different session-name? [y/n] " USR_CHOICE
    echo $USR_CHOICE
    if [ "$USR_CHOICE" = "y" ]; then
      clear
      new_session_name
      RET=1
      elif [ "$USR_CHOICE" = "n" ] || [ "$USR_CHOICE" = "" ]; then
      clear
      RET=1
    else
      clear
    fi
  done
fi

SEL_NAME=$(echo "$SEL_NAME" | tr "[:lower:]" "[:upper:]")

tmux new-session -d -s "$SEL_NAME" -c "$SEL_DIR"
if [ -e "$TMUX" ]; then
  tmux switch-client -t "$SEL_NAME"
else
  tmux attach -t "$SEL_NAME"
fi