#!/bin/bash

set -e

ensure_link() {
    if [ -f "$HOME/$2" ] || [ -L "$HOME/$2" ]; then
      rm "${HOME:?}/$2"
    elif [ -d "$HOME/$2" ] && [ ! -L "$HOME/$2" ]; then
      echo "Directory $HOME/$2 already exists; aborting"
      exit 1
    fi
    ln -s "${HOME:?}/$1" "${HOME:?}/$2"
}

ensure_dir() {
    test -d "$HOME/$1" || mkdir -p "$HOME/$1"
}

ensure_git_repo() {
    test -d "$1" || git clone --recursive "$2" "$1"
}

ensure_dir ".config/powershell"
ensure_dir ".local/bin"

if uname -a | grep -q xnu; then
  ensure_link "src/dotfiles/aerc" "Library/Preferences/aerc"
  ensure_link "src/dotfiles/hammerspoon" ".hammerspoon"
else
  ensure_link "src/dotfiles/aerc" ".config/aerc"
fi

ensure_link "src/dotfiles/atuin" ".config/atuin"
ensure_link "src/dotfiles/chawan" ".config/chawan"
ensure_link "src/dotfiles/default-go-packages" ".default-go-packages"
ensure_link "src/dotfiles/digrc" ".digrc"
ensure_link "src/dotfiles/fish" ".config/fish"
ensure_link "src/dotfiles/ghostty" ".config/ghostty"
ensure_link "src/dotfiles/gitconfig" ".gitconfig"
ensure_link "src/dotfiles/gitignore" ".gitignore"
ensure_link "src/dotfiles/helix" ".config/helix"
ensure_link "src/dotfiles/jj" ".config/jj"
ensure_link "src/dotfiles/kitty" ".config/kitty"
ensure_link "src/dotfiles/mise" ".config/mise"
ensure_link "src/dotfiles/ripgreprc" ".ripgreprc"
ensure_link "src/dotfiles/zellij" ".config/zellij"
ensure_link "src/dotfiles/zsh/zshenv" ".zshenv"
ensure_link "src/dotfiles/zsh/zshrc" ".zshrc"

if uname -a | grep -q microsoft; then
  for component in ssh ssh-add scp sftp ssh-keygen; do
    [ ! -L ~/.local/bin/$component ] && ln -s /mnt/c/Windows/System32/OpenSSH/${component}.exe ~/.local/bin/$component
  done
  ensure_link "src/dotfiles/scripts/op" ".local/bin/op"
fi