#! /usr/bin/env bash
set -e
[ -n "$TMUXIFIER_DEBUG" ] && set -x

if [ "$1" == "-" ] || [ "$1" == "--help" ]; then
  shell="$2"
else
  shell="$1"
fi

if [ -z "$shell" ]; then
  shell="$(basename "$SHELL")"
fi

case "$shell" in
  bash )
    profile='~/.bash_profile'
    ;;
  zsh )
    profile='~/.zshrc'
    ;;
  ksh )
    profile='~/.profile'
    ;;
  csh )
    profile='~/.cshrc'
    ;;
  tcsh )
    profile='~/.tcshrc'
    ;;
  * )
    profile='your shell init file'
    ;;
esac

# Provide tmuxifier help
if [[ " $@ " == *" --help "* ]]; then
  echo "usage: tmuxifier init -

Load Tmuxifier by adding the following to your ${profile}:

    eval \"\$(tmuxifier init -)\"

You might also need to add Tmuxifier's bin directory to your PATH."
  exit
fi

# Print help if "-" argument is not given
if [[ " $@ " != *" - "* ]]; then
  echo "$(tmuxifier-help init $@)" >&2
  exit 1
fi

case "$shell" in
  csh | tcsh )
    echo "setenv TMUXIFIER \"$TMUXIFIER\""
    echo "source \"\$TMUXIFIER/init.tcsh\""
    ;;
  * )
    echo "export TMUXIFIER=\"$TMUXIFIER\""
    echo "source \"\$TMUXIFIER/init.sh\""
    ;;
esac