#!/usr/bin/env bash
# ╔═══════════════════════════════════════════════════════════════════════════╗
# ║  sw-hello.sh — Hello World Command                                       ║
# ║                                                                          ║
# ║  A simple hello world command that demonstrates the CLI structure.       ║
# ╚═══════════════════════════════════════════════════════════════════════════╝
# shellcheck disable=SC2034
VERSION="3.3.0"
set -euo pipefail
trap 'echo "ERROR: $BASH_SOURCE:$LINENO exited with status $?" >&2' ERR

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Canonical helpers (colors, output, events)
# shellcheck source=lib/helpers.sh
[[ -f "$SCRIPT_DIR/lib/helpers.sh" ]] && source "$SCRIPT_DIR/lib/helpers.sh"
# Fallbacks when helpers not loaded (e.g. test env with overridden SCRIPT_DIR)
[[ "$(type -t info 2>/dev/null)" == "function" ]]    || info()    { echo -e "\033[38;2;0;212;255m\033[1m▸\033[0m $*"; }
[[ "$(type -t success 2>/dev/null)" == "function" ]] || success() { echo -e "\033[38;2;74;222;128m\033[1m✓\033[0m $*"; }
[[ "$(type -t warn 2>/dev/null)" == "function" ]]    || warn()    { echo -e "\033[38;2;250;204;21m\033[1m⚠\033[0m $*"; }
[[ "$(type -t error 2>/dev/null)" == "function" ]]   || error()   { echo -e "\033[38;2;248;113;113m\033[1m✗\033[0m $*" >&2; }

# ─── Help text ──────────────────────────────────────────────────────────────
show_help() {
    cat <<EOF
USAGE
  shipwright hello [OPTIONS]

DESCRIPTION
  A simple hello world command.

OPTIONS
  --help, -h      Show this help text
  --version, -v   Show version

EXAMPLES
  shipwright hello                 Print "hello world"
  shipwright hello --help          Show this help text

EOF
}

# ─── Main ───────────────────────────────────────────────────────────────────
main() {
    case "${1:-}" in
        --help|-h)
            show_help
            exit 0
            ;;
        --version|-v)
            echo "$VERSION"
            exit 0
            ;;
        "")
            # No arguments: output hello world
            echo "hello world"
            exit 0
            ;;
        *)
            error "Unknown option: $1"
            show_help
            exit 1
            ;;
    esac
}

main "$@"