#!/usr/bin/env bash
# WTM Detect - Auto-discover and register projects
set -euo pipefail
source "${HOME}/.wtm/lib/common.sh"
source "${HOME}/.wtm/lib/detect.sh"

case "${1:-scan}" in
  scan|"")
    echo ""
    echo "  Scanning for unregistered projects..."
    echo "  ─────────────────────────────────────"
    local_count=0
    discover_projects | while IFS='|' read -r path name remote; do
      echo "  FOUND: ${name} (${remote:-no remote}) at ${path}"
      local_count=$((local_count + 1))
    done
    echo ""
    echo "  Use 'psm detect --auto' to register all, or 'psm detect --add <path>' for one."
    echo ""
    ;;
  --auto)
    log_info "Auto-registering all discovered projects..."
    discover_projects | while IFS='|' read -r path name remote; do
      auto_register "${path}" "${name}"
      log_ok "Registered: ${name} -> ${path}"
    done
    log_ok "Auto-registration complete."
    ;;
  --paths)
    shift
    # Override discovery paths for this scan
    for p in "$@"; do
      expanded="${p/#\~/$HOME}"
      if [[ -d "${expanded}" ]]; then
        for dir in "${expanded}"/*/; do
          [[ -d "${dir}/.git" ]] || continue
          name=$(basename "${dir}")
          remote=$(git -C "${dir}" remote get-url origin 2>/dev/null || echo "")
          echo "  FOUND: ${name} (${remote:-no remote}) at ${dir}"
        done
      fi
    done
    ;;
  --add)
    shift
    if [[ $# -lt 1 ]]; then
      echo "Usage: wtm detect --add <path> [alias]"
      exit 1
    fi
    auto_register "$1" "${2:-}"
    ;;
  --monorepo)
    shift
    if [[ $# -lt 1 ]]; then
      echo "Usage: wtm detect --monorepo <project-path>"
      exit 1
    fi
    echo ""
    echo "  Monorepo packages in $1:"
    echo "  ─────────────────────────"
    detect_monorepo_packages "$1" | while read -r pkg; do
      echo "  - ${pkg}"
    done
    echo ""
    ;;
  help|--help|-h)
    cat <<'EOF'
Usage:
  wtm detect                     Scan and list discovered projects
  wtm detect --auto              Scan and auto-register all
  wtm detect --paths ~/a ~/b     Scan specific paths
  wtm detect --add <path> [name] Register a specific path
  wtm detect --monorepo <path>   List monorepo packages
EOF
    ;;
  *)
    log_error "Unknown detect command: $1"
    exit 1
    ;;
esac