install

#!/usr/bin/env bash
set -euo pipefail

here="$(dirname "$0")"
here="$(cd "$here"; pwd)"

mkdir -p "${XDG_CONFIG_HOME:=$HOME/.config}"

install_submodules() {
  echo "Installing submodules"
  git submodule init
  git submodule update
}

install_basic_packages() {
  echo "Download package lists"
  sudo apt-get update -q -y >/dev/null

  echo "Install basic tools"

  sudo apt install -y \
    ack-grep \
    aspell \
    aspell-en \
    bat \
    btop \
    build-essential \
    cargo \
    default-libmysqlclient-dev \
    deja-dup \
    dnsutils \
    fish \
    fonts-inconsolata \
    foot \
    git \
    golang-go \
    htop \
    httpie \
    kakoune \
    laptop-mode-tools \
    libmagickwand-dev \
    libreadline-dev \
    libssl-dev \
    libyaml-dev \
    mailutils \
    mailutils-pop3d \
    make \
    ncal \
    ncdu \
    opensnitch \
    thunderbird \
    tidy \
    tmux \
    tree \
    vlc \
    wget \
    zlib1g-dev \
    >/dev/null
}

remove_unnecessary_packages() {
  echo "Remove unnecessary packages"

  sudo apt remove -y --purge evolution speech-dispatcher > /dev/null
  sudo apt autoremove -y > /dev/null
}

install_local_bin() {
  mkdir -p "${HOME}/.local/bin"

  for file in "${here}/bin"/*; do
    name="$(basename "$file")"
    ln -sfv "$file" "${HOME}/.local/bin/${name}"
  done
}

link_dotfiles() {
  echo "Link dotfiles"

  dotfiles=(gitattributes rdebugrc rspec tmux.conf)

  for file in "${dotfiles[@]}"; do
    dotname=".${file}"
    ln -sfv "${here}/${file}" "${HOME}/${dotname}"
  done
}

setup_git() {
  # Core configurations
  git config --global core.editor "vim"
  git config --global core.excludesFile "~/.gitignore"

  # Color configurations
  git config --global color.ui "auto"

  git config --global color.branch.current "yellow reverse"
  git config --global color.branch.local "yellow"
  git config --global color.branch.remote "green"

  git config --global color.diff.meta "yellow bold"
  git config --global color.diff.frag "magenta bold"
  git config --global color.diff.old "red bold"
  git config --global color.diff.new "green bold"

  git config --global color.status.added "yellow"
  git config --global color.status.changed "green"
  git config --global color.status.untracked "cyan"

  # Push configurations
  git config --global push.default "current"

  # Pager configurations
  git config --global pager.diff "diff-so-fancy | less --tabs=1,5 -RFX"
  git config --global pager.show "diff-so-fancy | less --tabs=1,5 -RFX"

  # Alias configurations
  git config --global alias.a "add"
  git config --global alias.br "branch"
  git config --global alias.ca "commit --amend"
  git config --global alias.ci "commit"
  git config --global alias.co "checkout"
  git config --global alias.dfc "diff --cached"
  git config --global alias.df "diff"
  git config --global alias.fix "commit -am 'fix'"
  git config --global alias.last "describe --abbrev=0 --tags"
  git config --global alias.lbranch "log --graph --simplify-by-decoration --pretty=format:'%C(yellow)%h%C(white)%d %C(bold black)%ar %C(reset)%n' --all"
  git config --global alias.lg "log -p"
  git config --global alias.lola "log --graph --decorate --pretty=oneline --abbrev-commit --all"
  git config --global alias.lol "log --graph --decorate --pretty=oneline --abbrev-commit"
  git config --global alias.ls "ls-files"
  git config --global alias.pl "pull"
  git config --global alias.ps "push"
  git config --global alias.purge "!git checkout $(git rev-parse --abbrev-ref origin/HEAD | cut -d/ -f2-) && git pull && git remote prune origin && git branch --merged | grep -v '^\\*' | grep -v $(git rev-parse --abbrev-ref origin/HEAD | cut -d/ -f2-) | xargs -r git branch -D"
  git config --global alias.refactor "commit -am 'refactor'"
  git config --global alias.report "!git for-each-ref --sort=committerdate --format='%(refname:short) * %(authorname) * %(committerdate:relative)' refs/remotes/ | column -t -s '*'"
  git config --global alias.rpo "remote prune origin"
  git config --global alias.rso "remote show origin"
  git config --global alias.st "status -sb"
  git config --global alias.who "shortlog -s --"

  # Pull configurations
  git config --global pull.ff "only"

  echo "Please set up the following Git options manually:"
  echo 'git config --global github.user "john"'
  echo 'git config --global user.name "John Doe"'
  echo 'git config --global user.email "johndoe@example.com"'
}

setup_foot() {
  foot_config_dir="${HOME}/.config/foot"

  echo "Configure foot"

  mkdir -p "$foot_config_dir"

  for file in "${here}/footfiles"/*; do
    name="$(basename "$file")"
    ln -sfv "$file" "${foot_config_dir}/${name}"
  done
}

setup_fish() {
  fish_config_dir="${HOME}/.config/fish"

  echo "Install fishfiles"

  mkdir -p "$fish_config_dir"

  for file in "${here}/fishfiles"/*; do
    name="$(basename "$file")"
    ln -sfv "$file" "${HOME}/.config/fish/${name}"
  done

  fish -c "fundle install"
  fish -c fish_update_completions
}

setup_helix() {
  helix_config_dir="${HOME}/.config/helix"

  echo "Configure helix"

  mkdir -p "$helix_config_dir"

  for file in "${here}/helixfiles"/*; do
    name="$(basename "$file")"
    ln -sfv "$file" "${helix_config_dir}/${name}"
  done
}

setup_tmux() {
  echo "Setup tmux"
  if [[ ! -d ~/.tmux/plugins/tpm ]]; then
    git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
  fi
  ~/.tmux/plugins/tpm/bin/install_plugins
}

install_fzf() {
  fzf_directory="${HOME}/.fzf"

  if [[ ! -d $fzf_directory ]]; then
    echo "Install FZF"
    git clone --depth 1 https://github.com/junegunn/fzf.git "$fzf_directory"
    cd "$fzf_directory" && ./install --all --no-bash --no-zsh
  fi
}

install_rbenv() {
  if [[ ! -d ~/.rbenv ]]; then
    echo "Install rbenv"
    git clone https://github.com/rbenv/rbenv.git ~/.rbenv
    ~/.rbenv/bin/rbenv init
    mkdir -p ~/.rbenv/plugins
    git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
  fi
}

install_skyspell() {
  echo "Install skyspell"
  sudo apt install -y libsqlite3-dev libenchant-2-dev aspell aspell-en
  cargo install --quiet skyspell --version 1.0.1 --locked
  cargo install --quiet skyspell_kak --version 1.0.1 --locked
}

install_nerd_font() {
  local font_dir="${HOME}/.local/share/fonts"
  local font_name="Inconsolata"
  local font_zip="${font_name}.zip"
  local download_url="https://github.com/ryanoasis/nerd-fonts/releases/latest/download/${font_zip}"

  if fc-list | grep -qi "Inconsolata.*Nerd"; then
    echo "Inconsolata Nerd Font already installed"
    return
  fi

  echo "Install Inconsolata Nerd Font"
  mkdir -p "$font_dir"

  wget -q -O "/tmp/${font_zip}" "$download_url"
  unzip -o -q "/tmp/${font_zip}" -d "${font_dir}/InconsolataNerdFont"
  rm "/tmp/${font_zip}"

  fc-cache -f
}

install_helix() {
  echo "Install Helix editor"

  local helix_dir="${HOME}/.local/share/helix"
  local latest_url
  local tarball

  latest_url=$(wget -qO- "https://api.github.com/repos/helix-editor/helix/releases/latest" \
    | grep -oP '"browser_download_url": "\K[^"]+x86_64-linux\.tar\.xz')

  if [[ -z "$latest_url" ]]; then
    echo "Failed to find Helix download URL"
    return 1
  fi

  tarball="/tmp/helix.tar.xz"

  wget -q -O "$tarball" "$latest_url"

  rm -rf "$helix_dir"
  mkdir -p "$helix_dir"

  tar -xJf "$tarball" -C "$helix_dir" --strip-components=1
  rm "$tarball"

  ln -sfv "${helix_dir}/hx" "${HOME}/.local/bin/hx"
}

install_marksman() {
  echo "Install Marksman LSP"

  local latest_url
  local binary="/tmp/marksman"

  latest_url=$(wget -qO- "https://api.github.com/repos/artempyanykh/marksman/releases/latest" \
    | grep -oP '"browser_download_url": "\K[^"]+marksman-linux-x64')

  if [[ -z "$latest_url" ]]; then
    echo "Failed to find Marksman download URL"
    return 1
  fi

  wget -q -O "$binary" "$latest_url"
  chmod +x "$binary"

  mv "$binary" "${HOME}/.local/bin/marksman"
}

do_all() {
  install_submodules
  install_basic_packages
  remove_unnecessary_packages
  install_local_bin
  link_dotfiles
  setup_git
  setup_foot
  install_helix
  install_marksman
  setup_helix
  setup_tmux
  install_fzf
  install_rbenv
  setup_fish
  install_skyspell
  install_nerd_font
}

do_all

echo 'Change your shell with chsh -s $(which fish)'
echo 'Then setup rbenv with'
echo 'set -Ux fish_user_paths $HOME/.rbenv/bin $fish_user_paths'