#!/bin/bash
# scripts/20-setup-stow.sh - Handle GNU Stow operations

set -euo pipefail

# Source utilities
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/utils.sh"

setup_stow() {
    local dotfiles_dir="$1"
    
    if [ -d "$dotfiles_dir/stow" ]; then
        # Use new stow structure - stow each subdirectory individually
        cd "$dotfiles_dir/stow"
        log_info "Using Stow to symlink dotfiles from stow/ subdirectories..."
        
        local stowed=()
        
        for config_dir in *; do
            if [ -d "$config_dir" ]; then
                log_info "Stowing $config_dir configuration..."
                
                if ! stow --adopt -t "$HOME" "$config_dir" 2>/dev/null; then
                    log_warning "Adopting failed for $config_dir, trying regular stow..."
                    stow -t "$HOME" "$config_dir"
                fi
                
                stowed+=("$config_dir")
            fi
        done
        
        if [ ${#stowed[@]} -gt 0 ]; then
            log_success "Stowed ${#stowed[@]} configuration(s): ${stowed[*]}"
        else
            log_warning "No stow subdirectories found in $dotfiles_dir/stow"
        fi
    else
        # Fallback to old structure - stow entire directory
        cd "$dotfiles_dir"
        log_info "Using Stow to symlink dotfiles from root directory..."
        
        if ! stow --adopt -t "$HOME" . 2>/dev/null; then
            log_warning "Adopting failed, trying regular stow..."
            stow -t "$HOME" .
        fi
        
        log_success "Stow setup complete"
    fi
}

# Run if called directly
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
    if [ $# -ne 1 ]; then
        log_error "Usage: $0 <dotfiles_directory>"
        exit 1
    fi
    setup_stow "$1"
fi