// Fenrir console screen reader.
// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.

package config

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

func TestScriptDefaultsAndSaveRoundTrip(t *testing.T) {
	for _, version := range []string{"1", "2", "3"} {
		settings, err := Decode([]byte("version=" + version + "\n[general]\nscript_path='/custom/scripts'\nscript_keys=['KEY_F12','KEY_RIGHTCTRL']\n[scripts]\ntimeout_seconds=20\n[remote]\nsocket_file='/tmp/private.sock'\n"))
		if err != nil || settings.General.ScriptPath != "/custom/scripts" || settings.Scripts.TimeoutSeconds != 20 || settings.Remote.SocketFile != "/tmp/private.sock" {
			t.Fatal(version, settings, 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)
		// TOML serializes a nil device slice as an empty array.
		if len(loaded.Keyboard.Devices) == 0 && len(settings.Keyboard.Devices) == 0 {
			loaded.Keyboard.Devices = settings.Keyboard.Devices
		}
		if err != nil || !reflect.DeepEqual(loaded, settings) {
			t.Fatal(loaded, err)
		}
	}
	defaults := Defaults()
	if !reflect.DeepEqual(defaults.General.ScriptKeys, []string{"KEY_COMPOSE"}) || defaults.General.ScriptPath != "/usr/share/fenrirscreenreader/scripts" || defaults.Scripts.TimeoutSeconds != 0 {
		t.Fatal(defaults)
	}
}

func TestRejectInvalidScriptLimitsAndModifierNames(t *testing.T) {
	for _, data := range []string{"[scripts]\nworkers=0", "[scripts]\nqueue_limit=0", "[scripts]\noutput_bytes=0", "[scripts]\ntimeout_seconds=-1", "[general]\nscript_keys=['KEY_UNKNOWN_123']"} {
		if _, err := Decode([]byte("version=3\n" + data)); err == nil {
			t.Fatal("accepted invalid settings", data)
		}
	}
}