package company

import "testing"

func TestAllowedSettingsKeys(t *testing.T) {
	t.Parallel()
	if !isAllowedSettingsKey(SettingsKeyLanguage) {
		t.Fatal("language must be allowed")
	}
	if !isAllowedSettingsKey(SettingsKeyMergeProducts) {
		t.Fatal("merge_products must be allowed")
	}
	if isAllowedSettingsKey("evil.injection") {
		t.Fatal("unknown keys must be rejected")
	}
	if isAllowedSettingsKey("_legacy") {
		t.Fatal("migrator markers are not client-writable prefs")
	}
	if isAllowedSettingsKey("_legacy_usage") {
		t.Fatal("migrator markers are not client-writable prefs")
	}
}

func TestValidateSettingsMap(t *testing.T) {
	t.Parallel()
	if err := ValidateSettingsMap(nil); err != nil {
		t.Fatalf("nil: %v", err)
	}
	if err := ValidateSettingsMap(map[string]any{}); err != nil {
		t.Fatalf("empty: %v", err)
	}
	if err := ValidateSettingsMap(map[string]any{
		SettingsKeyLanguage:      "en",
		SettingsKeyMergeProducts: true,
	}); err != nil {
		t.Fatalf("known keys: %v", err)
	}
	if err := ValidateSettingsMap(map[string]any{"prefs.theme": "dark"}); err == nil {
		t.Fatal("expected unknown settings key")
	} else if err.Error() != "unknown settings key" {
		t.Fatalf("got %q", err.Error())
	}
	if err := ValidateSettingsMap(map[string]any{SettingsKeyLanguage: 1}); err == nil {
		t.Fatal("expected invalid language")
	}
	if err := ValidateSettingsMap(map[string]any{SettingsKeyLanguage: "xx"}); err == nil {
		t.Fatal("expected unsupported language")
	}
	if err := ValidateSettingsMap(map[string]any{SettingsKeyMergeProducts: "yes"}); err == nil {
		t.Fatal("expected invalid merge_products")
	}
	if err := ValidateSettingsMap(map[string]any{" language": "en"}); err == nil {
		t.Fatal("expected rejection for padded key")
	}
}