debug: add log messages for lightgallery parser

1 files changed, 3 insertions, 0 deletions

diff --git a/internal/lightgallery/parser.go b/internal/lightgallery/parser.go
index 2c10c01..78e2229 100644
--- a/internal/lightgallery/parser.go
+++ b/internal/lightgallery/parser.go
@@ -2,6 +2,7 @@ package lightgallery
 
 import (
 	"bytes"
+	"log/slog"
 	"regexp"
 	"strings"
 	"time"
@@ -33,11 +34,13 @@ func (p *LightGalleryParser) Open(parent ast.Node, reader text.Reader, pc parser
 	trimmed := bytes.TrimSpace(line)
 	parts := r.FindSubmatch(trimmed)
 	if len(parts) < 2 {
+		slog.Warn("invalid gallery header format", slog.String("line", string(trimmed)), slog.Int("submatch_count", len(parts)))
 		return nil, parser.NoChildren
 	}
 
 	loc, err := time.LoadLocation(string(parts[1]))
 	if err != nil {
+		slog.Warn("invalid location specified for a gallery", slog.String("line", string(trimmed)), slog.String("location", string(parts[1])))
 		return nil, parser.NoChildren
 	}