export: localize calendar title (month name via i18n Months + lectionary label); --ui-lang flag overrides interface/export language (cli + web ?lang=); v0.24.0

5 files changed, 30 insertions, 6 deletions

diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index 24d1fec..d69bce0 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -40,6 +40,7 @@ Flags:
   -o, --offline          cache/sigla only, no network
   -l, --lectionary WHICH new|trad (trad -> traditional)
   -g, --lang LANG        traditional lectionary language: pl|en
+      --ui-lang LANG     override interface/export language: pl|en
   -u, --update           harvest sigla maximally to the horizon (idempotent)
   -C, --clean            prune cached readings older than a year
   -P, --pager            page reading output (like git); default from config
@@ -113,7 +114,7 @@ func Run(args []string, stdin io.Reader, stdout, stderr io.Writer) int {
 	var all, raw, refresh, offline, update, clean, pagerFlag, noPager, citation, week bool
 	var randV, randCh bool
 	var expMD, expPDF bool
-	var output, calendar string
+	var output, calendar, uiLang string
 	var bibleVer, compareList, lectionary, lang string
 	var width int
 	var list bool
@@ -141,6 +142,7 @@ func Run(args []string, stdin io.Reader, stdout, stderr io.Writer) int {
 	fs.StringVar(&lectionary, "lectionary", "", "new|trad")
 	fs.StringVar(&lang, "g", "", "pl|en")
 	fs.StringVar(&lang, "lang", "", "pl|en")
+	fs.StringVar(&uiLang, "ui-lang", "", "override interface/export language: pl|en")
 	fs.BoolVar(&update, "u", false, "harvest sigla maximally to the horizon")
 	fs.BoolVar(&update, "update", false, "harvest sigla maximally to the horizon")
 	fs.BoolVar(&clean, "C", false, "prune cached readings older than a year")
@@ -201,6 +203,9 @@ func Run(args []string, stdin io.Reader, stdout, stderr io.Writer) int {
 	if lang != "" {
 		cfg.TraditionalLang = lang
 	}
+	if uiLang != "" {
+		cfg.UILanguage = config.NormalizeUILanguage(uiLang)
+	}
 
 	if citation || week || randV || randCh {
 		tbl, _ := bible.LoadBookTable(userBooksTOML())
diff --git a/internal/config/config.go b/internal/config/config.go
index ee63754..f4c9fc8 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -25,7 +25,7 @@ var seedTOML []byte
 
 // Version is lectio's release version, shared by every binary's
 // -v/--version output (lectio, lectio-ui, lectio-web).
-const Version = "0.23.0"
+const Version = "0.24.0"
 
 // validVersions are the five scripture versions lectio understands.
 var validVersions = map[string]bool{
diff --git a/internal/export/calendar.go b/internal/export/calendar.go
index 8828892..10f9ffb 100644
--- a/internal/export/calendar.go
+++ b/internal/export/calendar.go
@@ -7,6 +7,8 @@ import (
 	"time"
 
 	"github.com/go-pdf/fpdf"
+
+	"github.com/lukaszkasprzak/lectio/internal/i18n"
 )
 
 // CalendarDay is one day's entry in a month calendar: the day-of-month, the
@@ -65,12 +67,17 @@ func CalendarPDF(year, month int, days []CalendarDay, lectionary, lang string) (
 	pdf.AddPage()
 	pw, ph := pdf.GetPageSize()
 
-	lect := lectionary
-	if lect == "new" {
-		lect = "modern"
+	ui := i18n.Get(lang)
+	lect := ui.OptModern
+	if lectionary == "traditional" {
+		lect = ui.OptTraditional
+	}
+	monthName := time.Month(month).String()
+	if month >= 1 && month <= 12 && ui.Months[month-1] != "" {
+		monthName = ui.Months[month-1]
 	}
 	pdf.SetFont(fontFamily, "B", 16)
-	pdf.CellFormat(0, 9, fmt.Sprintf("%s %d — %s", time.Month(month).String(), year, lect), "", 1, "L", false, 0, "")
+	pdf.CellFormat(0, 9, fmt.Sprintf("%s %d — %s", monthName, year, lect), "", 1, "L", false, 0, "")
 
 	const gridY0 = 22.0
 	const weekdayH = 6.0
diff --git a/internal/i18n/i18n.go b/internal/i18n/i18n.go
index 4c343f9..2e730ee 100644
--- a/internal/i18n/i18n.go
+++ b/internal/i18n/i18n.go
@@ -40,6 +40,10 @@ type UI struct {
 	// "Ewangelia na 2026-07-22").
 	BannerGospel, BannerReadings, BannerConnective string
 
+	// Months are the localized month names (index 0 = January), for the
+	// exported calendar's title.
+	Months [12]string
+
 	// Web control labels.
 	Lectionary, OptModern, OptTraditional string
 	Parts, OptGospel, OptAll              string
@@ -118,6 +122,7 @@ var enUI = UI{
 	BannerGospel:         "Gospel",
 	BannerReadings:       "Readings",
 	BannerConnective:     "for",
+	Months:               [12]string{"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"},
 	Lectionary:           "lectionary",
 	OptModern:            "modern",
 	OptTraditional:       "traditional",
@@ -182,6 +187,7 @@ var plUI = UI{
 	BannerGospel:         "Ewangelia",
 	BannerReadings:       "Czytania",
 	BannerConnective:     "na",
+	Months:               [12]string{"Styczeń", "Luty", "Marzec", "Kwiecień", "Maj", "Czerwiec", "Lipiec", "Sierpień", "Wrzesień", "Październik", "Listopad", "Grudzień"},
 	Lectionary:           "lekcjonarz",
 	OptModern:            "nowy",
 	OptTraditional:       "tradycyjny",
diff --git a/internal/web/server.go b/internal/web/server.go
index 5ebed38..a586534 100644
--- a/internal/web/server.go
+++ b/internal/web/server.go
@@ -345,6 +345,9 @@ func readingsHandler(cfg config.Config) http.HandlerFunc {
 // date/lectionary/all/version resolution as the reading pane.
 func exportHandler(cfg config.Config) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
+		if l := r.URL.Query().Get("lang"); l != "" {
+			cfg.UILanguage = config.NormalizeUILanguage(l)
+		}
 		date, lectionary, all, versions, _ := resolveQuery(cfg, r)
 		secs, dayInfo, loadVersions, err := loadSections(cfg, lectionary, date, all, versions)
 		if err != nil {
@@ -387,6 +390,9 @@ func exportHandler(cfg config.Config) http.HandlerFunc {
 // bad month defaults to the current month.
 func calendarHandler(cfg config.Config) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
+		if l := r.URL.Query().Get("lang"); l != "" {
+			cfg.UILanguage = config.NormalizeUILanguage(l)
+		}
 		t, err := time.Parse("2006-01", r.URL.Query().Get("month"))
 		if err != nil {
 			t = time.Now()