setup

#!/usr/bin/env bash

set -e

conf_dir="$HOME/configuration"
app_dir="$conf_dir/packages"
sys_dir="$conf_dir/system"
dot_dir="$conf_dir/dotfiles"
pacman_native='pacmanNative.txt'
pacman_foreign='pacmanForeign.txt'
composer='composer.txt'
pip='pip.txt'
gem='gem.txt'
npm='npm.txt'

typeset -A args
args=(
  ["save"]="# saves certain dotfiles and system files"
  ["install"]="# creates username if needed, restores personal files, gets and sets the dotfiles, restores packages"
  ["links"]="# links git dotfiles to the home directory"
  ["fonts"]="# retrieves some fonts and installs them"
)

main() (
  if [[ $# -lt 1 || -z "${args[$1]}" ]]; then
    error
  fi

  "$1" "${@:2}"
)

save () (
  mkdir -p "$app_dir"
  mkdir -p "$sys_dir"

  pacman -Qqen > "$app_dir/$pacman_native"
  pacman -Qqem > "$app_dir/$pacman_foreign"

  pip list --user --format=freeze | awk -F "==" '{print $1}' > "$app_dir/$pip"
  composer global show --direct | awk '{print $1}' > "$app_dir/$composer"
  gem list --local --no-details --no-versions -q > "$app_dir/$gem"
  ls "$(npm root -g)" > "$app_dir/$npm"

  sysFiles=(
    '/etc/default/tlp'
    '/etc/iptables/iptables.rules' '/etc/iptables/ip6tables.rules'
    '/etc/iptables/iptables_torrent.rules' '/etc/iptables/ip6tables_torrent.rules'
    '/etc/unbound/unbound.conf' '/etc/unbound/adservers' '/etc/tor/torrc'
    '/etc/dhcpcd.conf' '/etc/hostname' '/etc/host.conf' '/etc/hosts'
    '/etc/dhclient.conf' '/etc/resolvconf.conf'
    '/etc/systemd/logind.conf' '/etc/systemd/timesyncd.conf'
    '/etc/systemd/coredump.conf' '/etc/systemd/journald.conf'
    '/etc/modprobe.d/' '/etc/modules-load.d' '/etc/udev/rules.d' '/etc/mkinitcpio.conf'
    '/etc/fstab' '/etc/sysctl.d'  '/etc/conf.d/wireless-regdom' '/etc/lvm/lvm.conf'
    '/etc/security/pam_mount.conf.xml' '/etc/pam.d/system-auth'
    '/etc/openal' '/etc/libao.conf' '/etc/asound.conf' '/etc/pulse'
    '/etc/locale.conf' '/etc/locale.gen' '/etc/vconsole.conf' '/etc/inputrc' '/etc/localtime'
    '/etc/X11/xinit/xinitrc.d' '/etc/X11/xorg.conf.d'
    '/etc/pacman.conf'  '/etc/makepkg.conf'
    '/etc/security/limits.conf'
    '/etc/colorgcc/colorgccrc'
    '/etc/group'
    '/etc/NetworkManager/NetworkManager.conf'
  )

  cp --parents -a "${sysFiles[@]}" "$sys_dir"
  chmod 644 "$sys_dir/etc/unbound/unbound.conf"
)

install() (
  ########## 1 - If logged in as root ask for target user ##########
  if [[ "$EUID" -eq 0 ]]; then
    echo 'install files for user with username...'
    read user
    if [[ -z "$(getent passwd $user)" ]]; then
      groupadd "$user"
      useradd -m -g "$user" -G wheel,uucp,rfkill,games,users,vboxusers,wireshark,"$user",networkmanager -s /bin/zsh "$user"
      home="/home/$user"
      mkdir -p "$home"
      chown -R "$user:$user $home"
    fi
    su --login "$user"
  fi
  ##########                   End of 1                   ##########

  ##########  2 - Get private keys, data and other personal stuff  ##########
  echo 'Getting personal files'
  private_storage_uuid='ffbc86b7-419d-4c71-a094-3670693e65de'
  private_storage="$(mount | grep $(readlink -f "/dev/disk/by-uuid/$private_storage_uuid") | awk '{print $3}')"

  if [[ -z "$private_storage" ]]; then
    1>&2 echo 'Private storage not mounted'
    exit 1
  fi

  backups="$private_storage/borgBackups"
  backup="$(borg list "$backups" | tail -n 1 | awk '{print $1}')"
  backup_home="home/$USER"
  data_to_extract=("$backup_home/.gnupg" "$backup_home/.weechat" "$backup_home/.config/tox")
  cd /
  borg extract "$backups::$backup" "${data_to_extract[@]}"
  ##########                       End of 2                        ##########

  ########## 3 - Configuration files ##########
  if [[ ! -d "$conf_dir/.git" ]]; then
    git clone git@bitbucket.org:hugdru/archlinuxconfiguration.git "$conf_dir"
  fi

  echo 'Setting up symbolic links'
  setUpSymbolicLinks "$dot_dir"
  ##########        End of 3         ##########

  ########## 4 - Packages ##########
  # Composer
  composer global require $(<"$app_dir/$composer")
  # Pip
  pip install --user $(<"$app_dir/$pip")
  # npm
  npm install -g $(<"$app_dir/$npm")
  # gem
  gem install $(<"$app_dir/$gem")

  # pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs pip install --user --upgrade
  #
  # missing picard settings
  # missing pcmanfm settings
  # missing qbittorrent settings
  # missing elixir vim
  ##########   End of 4   ##########

  ########## 5 - nvim configuration ##########
  curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs \
    https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  nvim -c ':PlugUpdate | :qa'
  "$HOME/.config/nvim/plugged/YouCompleteMe/install.py" --all
  ##########        End of 5        ##########

  ########## 6 - zsh setup ##########
  curl -sL https://raw.githubusercontent.com/zplug/installer/master/installer.zsh | zsh
  ##########   End of 6    ##########
  #
  ##########   7 - fonts   ##########
  fonts
  ##########   End of 7    ##########
)

fonts() (

  fonts_dir="$HOME/.local/share/fonts/"
  rm -rf "$fonts_dir"
  mkdir -p "$fonts_dir"

  tmp_dir="/tmp/awesome-terminal-fonts-$$"
  git clone https://github.com/gabrielelana/awesome-terminal-fonts.git "$tmp_dir"
  cp $tmp_dir/build/*.ttf "$fonts_dir"
  rm -rf "$tmp_dir"

  cd "$fonts_dir"
  curl -fLo "Sauce Code Pro Black Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Black/complete/Sauce%20Code%20Pro%20Black%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro Bold Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Bold/complete/Sauce%20Code%20Pro%20Bold%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro ExtraLight Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Extra-Light/complete/Sauce%20Code%20Pro%20ExtraLight%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro Light Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Light/complete/Sauce%20Code%20Pro%20Light%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro Medium Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Medium/complete/Sauce%20Code%20Pro%20Medium%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Regular/complete/Sauce%20Code%20Pro%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "Sauce Code Pro Semibold Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/SourceCodePro/Semibold/complete/Sauce%20Code%20Pro%20Semibold%20Nerd%20Font%20Complete%20Mono.ttf'

  curl -fLo "DejaVu Sans Mono Bold Oblique for Powerline Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/DejaVuSansMono/Bold-Italic/complete/DejaVu%20Sans%20Mono%20Bold%20Oblique%20for%20Powerline%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "DejaVu Sans Mono Bold for Powerline Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/DejaVuSansMono/Bold/complete/DejaVu%20Sans%20Mono%20Bold%20for%20Powerline%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "DejaVu Sans Mono Oblique for Powerline Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/DejaVuSansMono/Italic/complete/DejaVu%20Sans%20Mono%20Oblique%20for%20Powerline%20Nerd%20Font%20Complete%20Mono.ttf'
  curl -fLo "DejaVu Sans Mono for Powerline Nerd Font Complete Mono.ttf" 'https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/DejaVuSansMono/Regular/complete/DejaVu%20Sans%20Mono%20for%20Powerline%20Nerd%20Font%20Complete%20Mono.ttf'

  fc-cache -fv "$fonts_dir"
)

links() (
  setUpSymbolicLinks "$dot_dir"
)

setUpSymbolicLinks() (
  if [[ $# -ne 1 || ! -d "$1" ]]; then
    1>2 echo "$funcstack[1] expects a path to a directory"
  fi

  echo 'Symbolic Links will override any existing files! You might lose your configuration files! YyY to continue'
  read response

  if [[ "$response" != "YyY" ]]; then
    return
  fi

  find "$1" \( -type f -o -type l \) -a -not -path '*/.git/*' -printf '%P\0' | while read -d $'\0' file
  do
    dir="${file%/*}"
    if [[ -d "$1/$dir" ]]; then
      mkdir -p "$HOME/$dir"
    fi
    echo "$(readlink -f "$1/$file")" "$HOME/$file"
    ln -f -s "$(readlink -f "$1/$file")" "$HOME/$file"
  done
)

error() {
    for key in "${!args[@]}"; do
      1>&2 echo -e "$key ${args[$key]}"
    done
    exit 1
}

main "$@"