#!/usr/bin/env bash

SCRIPT_DIR=$(pwd)

function print_help {
  echo "Install configuration options to the correct paths."
  echo ""
  echo "  USAGE:"
  echo "    install.sh [OPTIONS] [PROG [PROG ...]]"
  echo ""
  echo "  OPTIONS:"
  echo "    -f, --force    Force and overwrite current"
  echo "                   configurations."
  echo "    -h, --help     Print this help message."
  echo "    PROG           The program for which the config should"
  echo "                   be installed. If this is left empty it will"
  echo "                   install all the configurations. More that"
  echo "                   one can be specified."
  echo ""
  echo "  EXAMPLE:"
  echo "    install.sh -f emacs X tmux i3"
}

function ln_configs {
  ln $EXTRA_OPTS ${SCRIPT_DIR}/${1} $2
}

function mk {
  if [[ $FORCE -eq 1 ]]; then
    mkdir -p "$1"
  fi
}

EXTRA_OPTS=" -s "
for i in "$@"; do
  case $i in

    -f | --force)
      EXTRA_OPTS+=" -f "
      FORCE=1
      ;;

    -h | --help)
      print_help
      exit 0
      ;;

    emacs)   EMACS=1;   NOT_ALL=1;;
    X)       X=1;       NOT_ALL=1;;
    tmux)    TMUX=1;    NOT_ALL=1;;
    i3)      I3=1;      NOT_ALL=1;;
    zsh)     ZSH=1;     NOT_ALL=1;;
    isync)   ISYNC=1;   NOT_ALL=1;;
    polybar) POLYBAR=1; NOT_ALL=1;;
    compton) COMPTON=1; NOT_ALL=1;;
    firefox) FIREFOX=1; NOT_ALL=1;;
    ncmpcpp) NCMPCPP=1; NOT_ALL=1;;
    mpd)     MPD=1;     NOT_ALL=1;;
    bspwm)   BSPWM=1;   NOT_ALL=1;;
    rofi)    ROFI=1;    NOT_ALL=1;;
    termite) TERMITE=1; NOT_ALL=1;;

    *)
      print_help
      exit 1

  esac
done

if [[ ! -z $EMACS ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing emacs config..."
  mk ~/.emacs.d
  cp ${SCRIPT_DIR}/emacs/init.el ~/.emacs.d/init.el
  ln_configs emacs/loader.org ~/.emacs.d/loader.org
fi

if [[ ! -z $X ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing X config..."
  ln_configs X/.Xmodmap ~/.Xmodmap
  ln_configs X/.Xresources ~/.Xresources 
  ln_configs X/.xinitrc ~/.xinitrc
fi

if [[ ! -z $TMUX ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing tmux config..."
  ln_configs tmux/.tmux.conf ~/.tmux.conf
fi

if [[ ! -z $I3 ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing i3 config..."
  mk ~/.config/i3
  ln_configs i3/config ~/.config/i3/config
fi

if [[ ! -z $ZSH ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing zsh config..."
  ln_configs zsh/.zshrc ~/.zshrc
  ln_configs zsh/.zsh ~/.zsh
fi

if [[ ! -z $ISYNC ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing isync config..."
  ln_configs isync/.mbsyncrc ~/.mbsyncrc
fi

if [[ ! -z $POLYBAR ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing polybar config..."
  mk ~/.config/polybar
  ln_configs polybar/config ~/.config/polybar/config
  ln_configs polybar/launch.sh ~/.config/polybar/launch.sh
fi

if [[ ! -z $COMPTON ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing compton config..."
  mk ~/.config
  ln_configs compton/compton.conf ~/.config/compton.conf
fi

if [[ ! -z $FIREFOX ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing firefox config..."
  #ln_configs firefox/userChrome.css ~/.mozilla/firefox/1ye8etqv.default/chrome/userChrome.css
fi

if [[ ! -z $NCMPCPP ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing ncmpcpp config..."
  mk ~/.ncmpcpp
  ln_configs ncmpcpp/bindings ~/.ncmpcpp/bindings
  ln_configs ncmpcpp/config ~/.ncmpcpp/config
fi

if [[ ! -z $MPD ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing mpd config..."
  mk ~/.config/mpd
  ln_configs mpd/mpd.conf ~/.config/mpd/mpd.conf
fi

if [[ ! -z $BSPWM ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing bspwm config..."
  mk ~/.config/bspwm
  ln_configs bspwm/bspwmrc ~/.config/bspwm/bspwmrc
  mk ~/.config/sxhkd
  ln_configs sxhkd/sxhkdrc ~/.config/sxhkd/sxhkdrc
fi

if [[ ! -z $ROFI ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing rofi config..."
  mk ~/.config/rofi
  ln_configs rofi/config ~/.config/rofi/config
fi

if [[ ! -z $TERMITE ]] || [[ -z $NOT_ALL ]]; then
  echo "Installing termite config..."
  mk ~/.config/termite
  ln_configs termite/config ~/.config/termite/config
fi