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

package config

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

func TestIndentationDefaultsValidationAndPersistence(t *testing.T) {
	for _, version := range []int{1, 2, 3} {
		settings, err := Decode([]byte(fmt.Sprintf("version=%d\n", version)))
		if err != nil || settings.Reading.Indentation != "none" {
			t.Fatal(version, settings.Reading, err)
		}
	}
	for _, mode := range []string{"none", "speech", "beeps", "both"} {
		settings, err := Decode([]byte("version=3\n[reading]\nindentation='" + mode + "'\n"))
		if err != nil {
			t.Fatal(err)
		}
		path := filepath.Join(t.TempDir(), "settings.toml")
		if err := Save(path, settings); err != nil {
			t.Fatal(err)
		}
		saved, _, err := Load(path, nil)
		if err != nil || saved.Reading != settings.Reading {
			t.Fatal(saved.Reading, err)
		}
	}
	if _, err := Decode([]byte("version=3\n[reading]\nindentation='invalid'\n")); err == nil {
		t.Fatal("invalid indentation mode accepted")
	}
}