# Run this to install and update all the dotfiles in $HOME/dotfiles

# Set function via http://stackoverflow.com/a/8574392/135978
# Also works in bash 3.2 so you can install on a Mac
# Duplicated here so the installation file can be run stand-alone
containsElement() {
  set +x
  local e
  for e in "${@:2}"; do [[ "$e" == "$1" ]] && set -x && return 0; done
  set -x
  return 1
}

set -x

export CONFIGDIR="${CONFIGDIR:-$HOME/dotfiles}";
LOCAL_BIN=${LOCAL_BIN:-~/.local/bin}

if [ ! -d $CONFIGDIR ]; then
  git clone https://github.com/svieira/dotfiles $CONFIGDIR
else
  pushd $CONFIGDIR
  git pull origin master
  popd
fi

while : ; do
  command -v brew >/dev/null 2>&1 && break || {
    echo >&2 "brew is not currently installed, please install it"
    read -p "Continue? [Y/n]" answer
    [[ "$answer" =~ "[nNqQ]" ]] && exit 1;
  }
done

# Install brew-managed programs
brew bundle install --file $CONFIGDIR/Brewfile

_brew_prefix="$(brew --prefix)"

for f in bashrc profile inputrc vimrc psqlrc
do
  [ -f ~/.$f -a ! -L ~/.$f ] && mv ~/.$f ~/.$f.old
  [ -L ~/.$f ] && continue
  ln -s $CONFIGDIR/$f ~/.$f
done

# Local machine setup
# Ensure that we're using latest bash as our login shell
if grep -i $_brew_prefix/bin/bash /etc/shells > /dev/null; then
  echo "Homebrew-managed bash already in /etc/shells"
else
  echo "$_brew_prefix/bin/bash" | sudo tee -a /etc/shells > /dev/null
  chsh -s $_brew_prefix/bin/bash
fi

if (( BASH_VERSINFO < 4 )); then
  echo "Descending into subshell using homebrewed bash"
  $_brew_prefix/bin/bash -l "$0"
fi

. ~/.profile

mkdir -p $HOME/.local
mkdir -p $LOCAL_BIN
mkdir -p $HOME/.local/opt
mkdir -p $HOME/.local/opt/cdpath
# For vim files: see vimrc
mkdir -p $HOME/.vim/backups
mkdir -p $HOME/.vim/swaps
mkdir -p $HOME/.vim/undo


# Link all bin files
for program in $CONFIGDIR/bin/*; do
  program=${program##*/}
  [[ -f $LOCAL_BIN/$program ]] && continue
  ln -s $CONFIGDIR/bin/$program $LOCAL_BIN/$program
done

# Improve Mac Dictionary
# Still need to update Dictionary.app preferences manually
# Go to Preferences of Dictionary.app, select Webster's Unabridged Dictionary and drag it to the top.
git clone https://github.com/altosaar/webster-mac.git
cp -r webster-mac/Webster\'s\ Unabridged\ Dictionary.dictionary /Users/`whoami`/Library/Dictionaries/
rm -rf webster-mac

set +x
echo "Installation complete"