#!/usr/bin/env bash
# dot-add: Move a config file into the dotfiles repo and stow it.
#
# Usage: dot-add <package-name> <file-path>
#
# Example: dot-add sway ~/.config/sway/config
#          dot-add alacritty ~/.config/alacritty/alacritty.toml

set -euo pipefail

DOTFILES_DIR="$(cd "$(dirname "$0")" && pwd)"

if [[ $# -ne 2 ]]; then
  echo "Usage: dot-add <package> <file>"
  echo "  package: name for the stow package (e.g. sway, alacritty)"
  echo "  file:    path to the file (absolute or relative to HOME)"
  exit 1
fi

PACKAGE="$1"
FILE="$(realpath "$2")"

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

if [[ ! "$FILE" == "$HOME/"* ]]; then
  echo "Error: file must be under \$HOME ($HOME)"
  exit 1
fi

# Relative path from HOME (e.g. .config/sway/config)
REL="${FILE#$HOME/}"

DEST_DIR="$DOTFILES_DIR/$PACKAGE/$(dirname "$REL")"
DEST="$DOTFILES_DIR/$PACKAGE/$REL"

mkdir -p "$DEST_DIR"
mv "$FILE" "$DEST"
echo "Moved: $FILE -> $DEST"

# Stow the package (restow if already stowed)
stow --dir="$DOTFILES_DIR" --target="$HOME" --restow "$PACKAGE"
echo "Stowed: $PACKAGE"
echo ""
echo "Next steps:"
echo "  cd ~/dotfiles"
echo "  git add $PACKAGE/$REL"
echo "  git commit -m 'add $REL'"