1 files changed, 66 insertions, 0 deletions
diff --git a/internal/bookmarks/place.go b/internal/bookmarks/place.go
new file mode 100644
index 0000000..2aae058
--- /dev/null
+++ b/internal/bookmarks/place.go
@@ -0,0 +1,66 @@
+package bookmarks
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+)
+
+// dataFile resolves ${XDG_DATA_HOME:-~/.local/share}/lectio/<name> -- the same
+// data-dir rule as the sigla store and the bookmarks file.
+func dataFile(name string) string {
+	base := os.Getenv("XDG_DATA_HOME")
+	if base == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			home = "."
+		}
+		base = filepath.Join(home, ".local", "share")
+	}
+	return filepath.Join(base, "lectio", name)
+}
+
+// Place is the reader's last position, so the TUI reader can reopen where it
+// left off (book + chapter + the top-visible verse).
+type Place struct {
+	Book    string `json:"book"` // canonical English name (Bible-corpus key)
+	Chapter int    `json:"chapter"`
+	Verse   int    `json:"verse"`
+}
+
+// SavePlace persists the reader's last position (atomic temp+rename).
+func SavePlace(p Place) error {
+	path := dataFile("reader-place.json")
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		return err
+	}
+	data, err := json.MarshalIndent(p, "", "  ")
+	if err != nil {
+		return err
+	}
+	tmp := path + ".tmp"
+	if err := os.WriteFile(tmp, data, 0o644); err != nil {
+		return err
+	}
+	return os.Rename(tmp, path)
+}
+
+// LoadPlace reads the reader's last position; ok is false when none is saved
+// (or the file names no book).
+func LoadPlace() (Place, bool, error) {
+	data, err := os.ReadFile(dataFile("reader-place.json"))
+	if err != nil {
+		if os.IsNotExist(err) {
+			return Place{}, false, nil
+		}
+		return Place{}, false, err
+	}
+	var p Place
+	if err := json.Unmarshal(data, &p); err != nil {
+		return Place{}, false, err
+	}
+	if p.Book == "" {
+		return Place{}, false, nil
+	}
+	return p, true, nil
+}