package main

import "testing"

func TestApplyFTPSLetsEncryptDefaults(t *testing.T) {
	t.Parallel()

	cfg := Config{FTPSLEDomain: "files.example.com"}
	applyFTPSLetsEncryptDefaults(&cfg)
	if cfg.FTPSCertFile != "/etc/letsencrypt/live/files.example.com/fullchain.pem" {
		t.Fatalf("unexpected cert path: %q", cfg.FTPSCertFile)
	}
	if cfg.FTPSKeyFile != "/etc/letsencrypt/live/files.example.com/privkey.pem" {
		t.Fatalf("unexpected key path: %q", cfg.FTPSKeyFile)
	}
}

func TestApplyFTPSLetsEncryptDefaultsCustomDirAndPreserveManual(t *testing.T) {
	t.Parallel()

	cfg := Config{
		FTPSLEDomain: "files.example.com",
		FTPSLEDir:    "/var/lib/acme/live",
		FTPSCertFile: "/custom/cert.pem",
	}
	applyFTPSLetsEncryptDefaults(&cfg)
	if cfg.FTPSCertFile != "/custom/cert.pem" {
		t.Fatalf("manual cert should be preserved, got %q", cfg.FTPSCertFile)
	}
	if cfg.FTPSKeyFile != "/var/lib/acme/live/files.example.com/privkey.pem" {
		t.Fatalf("unexpected key path: %q", cfg.FTPSKeyFile)
	}
}

func TestNormalizeOCRLangs(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name string
		in   string
		want string
	}{
		{name: "default on empty", in: "", want: "eng+osd"},
		{name: "comma separated", in: "eng, rus, deu", want: "eng+rus+deu"},
		{name: "plus separated", in: "eng+osd+rus", want: "eng+osd+rus"},
		{name: "dedupe and lowercase", in: "ENG + rus + eng", want: "eng+rus"},
		{name: "drops invalid tokens", in: "eng+ru-RU+osd", want: "eng+osd"},
	}

	for _, tc := range tests {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {
			t.Parallel()
			if got := normalizeOCRLangs(tc.in); got != tc.want {
				t.Fatalf("normalizeOCRLangs(%q) = %q, want %q", tc.in, got, tc.want)
			}
		})
	}
}