#!/usr/bin/bash

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

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

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