#!/usr/bin/env bash

# SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
#
# SPDX-License-Identifier: CC0-1.0

set -euo pipefail

valid_packages="answer, handoff, personas, questionnaire"

resolve_package_dir() {
	case "$1" in
		answer|pi-answer|@amolith/pi-answer) printf '%s\n' packages/answer ;;
		handoff|pi-handoff|@amolith/pi-handoff) printf '%s\n' packages/handoff ;;
		personas|pi-personas|@amolith/pi-personas) printf '%s\n' packages/personas ;;
		questionnaire|pi-questionnaire|@amolith/pi-questionnaire) printf '%s\n' packages/questionnaire ;;
		*)
			echo "Error: unknown package '$1'" >&2
			echo "Valid packages: $valid_packages" >&2
			exit 1
			;;
	esac
}

if [[ $# -eq 0 ]]; then
	echo "Error: at least one package is required" >&2
	echo "Valid packages: $valid_packages" >&2
	exit 1
fi

results=()
for package in "$@"; do
	dir=$(resolve_package_dir "$package")
	if [[ ${#results[@]} -gt 0 ]]; then
		for existing in "${results[@]}"; do
			if [[ "$existing" == "$dir" ]]; then
				echo "Error: multiple selectors resolved to '$dir' (duplicate triggered by '$package')" >&2
				exit 1
			fi
		done
	fi
	results+=("$dir")
done

printf '%s\n' "${results[@]}"