#!/bin/sh

DIR="$(realpath "$(dirname "$0")")"

# script must start at home directory
cd "$HOME" || exit 1;

usertest() {
  if test "$(id -u)" -eq 0; then
    echo "You cannot run this script as root.";
    exit 1;
  fi
  if ! (getent passwd junikim 2>&1) > /dev/null; then
    echo "User junikim must exist.";
    exit 1
  fi

  if ! (apk list | grep 'doas' 2>&1) > /dev/null; then
    echo "doas is not installed.";
    exit 1
  fi
}

dev() {
  echo "Developer tools..."
  doas apk add git make python3 nodejs npm neovim curl bash
}


sysinfo() {
  echo "Dylan Araps scripts"
  cd "$HOME" || exit 1;
  mkdir -p repos
  git clone https://github.com/dylanaraps/pfetch "$HOME/repos/pfetch"
  git clone https://github.com/dylanaraps/neofetch "$HOME/repos/neofetch"
  git clone https://github.com/dylanaraps/fff "$HOME/repos/fff"

  cd "$HOME/repos/pfetch" || exit 1;
  doas make install || exit 2;
  cd "$HOME" || exit 1;

  cd "$HOME/repos/neofetch" || exit 1;
  doas make install || exit 2;
  cd "$HOME" || exit 1;

  cd "$HOME/repos/fff" || exit 1;
  doas make install || exit 2;
  cd "$HOME" || exit 1;
}

shell() {
  echo "zsh installation and configuration as login shell"
  doas apk add zsh
  # set user permissions
  awk -F ':' -v OFS=':' '{
if ($1 == "junikim") {
print $1,$2,$3,$4,$5,$6,"/bin/zsh"
} else {
print $1,$2,$3,$4,$5,$6,$7
}}' /etc/passwd > passwd.tmp
  doas mv passwd.tmp /etc/passwd
  # add starship and oh my zsh
  doas apk add starship
}

# neovim must be installed.
plugins() {
  # install vim-plug, oh-my-zsh, and zsh-syntax-highlighting
  sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

  sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
  git clone https://github.com/zsh-users/zsh-syntax-highlighting.git "$HOME/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting"
}

dotfiles() {
  echo "Adding vim and zsh configs"
  if ! test -d "$DIR/dotfiles"; then
    echo "$DIR/dotfiles folder not found.";
    exit 1;
  fi
  mkdir -p "$HOME/.config/nvim"
  cp "$DIR/dotfiles/.zshrc" "$HOME/.zshrc"
  cp "$DIR/dotfiles/init.vim" "$HOME/.config/nvim/init.vim"
  nvim --headless +PlugInstall +qa
}

competitiveprogramming() {
  echo "CP Compilers..."
  doas apk add g++
  doas apk add clang-dev
  cd "$HOME" || exit 1;
  git clone https://git.junickim.me/junikimm717/linuxcp "$HOME/cp"
}

(usertest && dev && sysinfo && shell && plugins && dotfiles) || exit 1

cat <<EOF
Stuff you should do now:

- run :PlugInstall
- add coc extensions

- add in the competitive programming scripts (if you intend) by running the
  competitiveprogramming function
EOF