#!/bin/bash
set -euo pipefail

DOTFILES_REPO="https://gitea.purpleraft.com/ryan/dotfiles"
DOTFILES_DIR="$HOME/.dotfiles"

# Check if stow is installed
if ! command -v stow &> /dev/null; then
    echo "❌ GNU Stow is not installed. Please install it first:"
    echo "   Ubuntu/Debian: sudo apt install stow"
    echo "   macOS: brew install stow"
    echo "   Or use the alias: install_stow"
    exit 1
fi

# Clone or update the repo
if [ -d "$DOTFILES_DIR/.git" ]; then
  echo "Updating existing dotfiles repo..."
  git -C "$DOTFILES_DIR" pull --quiet
else
  echo "Cloning dotfiles into $DOTFILES_DIR..."
  git clone "$DOTFILES_REPO" "$DOTFILES_DIR"
fi

# Change to parent directory of dotfiles for stow to work correctly
cd "$HOME"

# Backup existing files that would conflict with stow
for file in .bashrc .bash_aliases .inputrc .gitconfig; do
  if [ -f "$HOME/$file" ] && [ ! -L "$HOME/$file" ]; then
    echo "⚠️  Backing up existing file: $HOME/$file -> $HOME/${file}.bak"
    mv "$HOME/$file" "$HOME/${file}.bak"
  fi
done

# Use stow to create symlinks
echo "🔗 Using Stow to symlink dotfiles..."
stow -d "$HOME" -t "$HOME" .dotfiles

# Optionally source the new bashrc
if [[ $- == *i* ]]; then
  echo "Reloading Bash config..."
  source ~/.bashrc
fi

echo "✅ Dotfiles install complete."