// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later

package config

import (
	"path/filepath"
	"reflect"
	"testing"
)

func TestPromptSettingsValidationAndSave(t *testing.T) {
	settings, err := Decode([]byte("version = 3\n[prompt]\nexact_matches = ['READY']\ncustom_patterns = ['^Device [0-9]+ ready:$']\n"))
	if err != nil {
		t.Fatal(err)
	}
	path := filepath.Join(t.TempDir(), "settings.toml")
	doc, err := Open_document(path, settings)
	if err != nil {
		t.Fatal(err)
	}
	if err := doc.Save(settings); err != nil {
		t.Fatal(err)
	}
	loaded, _, err := Load(path, nil)
	if err != nil || !reflect.DeepEqual(loaded.Prompt, settings.Prompt) {
		t.Fatal(loaded.Prompt, err)
	}
	if _, err := Decode([]byte("version = 3\n[prompt]\ncustom_patterns = ['[']\n")); err == nil {
		t.Fatal("invalid regex accepted")
	}
}