#!/usr/bin/env bash

WORKTREES=/tmp/test-e2e-worktrees
REPO=/tmp/test-e2e

main() {
  json=0

  for arg in "$@"; do
    case "$arg" in
      --help)
        printf 'Usage: %s [--json]\n\n' "${0##*/}"
        printf 'Reports on the local Orchestra worktree layout.\n'
        printf 'Prints a human-readable summary by default, or one JSON object with --json.\n'
        exit 0
        ;;
      --json)
        json=1
        ;;
      *)
        printf 'unknown argument: %s\n' "$arg" >&2
        exit 2
        ;;
    esac
  done

  if [ -d "$WORKTREES" ]; then
    exists=true
    count=$(ls -A "$WORKTREES" 2>/dev/null | wc -l)
  else
    exists=false
    count=0
  fi

  if [ -d "$REPO/.git" ]; then
    is_git=true
  else
    is_git=false
  fi

  if [ "$json" = 1 ]; then
    printf '{"worktrees_dir":"%s","worktrees_dir_exists":%s,"worktrees_entries":%s,"repo":"%s","repo_is_git":%s}\n' \
      "$WORKTREES" "$exists" "$count" "$REPO" "$is_git"
    exit 0
  fi

  printf '%s exists: %s\n' "$WORKTREES" "$exists"
  printf '%s entries: %s\n' "$WORKTREES" "$count"
  printf '%s is a git repository: %s\n' "$REPO" "$is_git"
  exit 0
}

main "$@"