#!/usr/bin/env bash
# dot-add: Move config files/dirs into the dotfiles repo and stow them.
#
# Usage: dot-add <package> <path> [<path> ...]
#
# Examples:
#   dot-add sway ~/.config/sway/config
#   dot-add sway ~/.config/sway/
#   dot-add sway ~/.config/sway/*

set -euo pipefail

DOTFILES_DIR="$(cd "$(dirname "$(readlink -f "$0")")" && pwd)"

if [[ $# -lt 2 ]]; then
  echo "Usage: dot-add <package> <path> [<path> ...]"
  exit 1
fi

PACKAGE="$1"
shift

add_one() {
  local FILE
  FILE="$(realpath "$1")"

  if [[ ! -e "$FILE" ]]; then
    echo "Error: '$FILE' does not exist" >&2
    return 1
  fi

  if [[ ! "$FILE" == "$HOME/"* ]]; then
    echo "Error: '$FILE' is not under \$HOME" >&2
    return 1
  fi

  local REL="${FILE#$HOME/}"
  local DEST="$DOTFILES_DIR/$PACKAGE/$REL"

  mkdir -p "$(dirname "$DEST")"
  mv "$FILE" "$DEST"
  echo "Moved: $FILE -> $DEST"
}

for PATH_ARG in "$@"; do
  add_one "$PATH_ARG"
done

stow --dir="$DOTFILES_DIR" --target="$HOME" --restow "$PACKAGE"
echo "Stowed: $PACKAGE"