init commit

internal/ui/transcript/highlight.go

@@ -0,0 +1,63 @@
+package transcript
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/charmbracelet/lipgloss"
+	"playback/internal/srt"
+	"playback/internal/ui"
+)
+
+// RenderCue renders a single cue with optional highlighting
+func RenderCue(cue *srt.Cue, isCurrent, isSelected bool, width int) string {
+	// Format timestamp
+	timestamp := formatTimestamp(cue.Start, cue.End)
+
+	// Apply styles based on state
+	var textStyle, timestampStyle lipgloss.Style
+	if isSelected {
+		// Selected cue (navigation cursor) - use accent color
+		textStyle = ui.SelectedCueStyle
+		timestampStyle = ui.SelectedTimestampStyle
+	} else if isCurrent {
+		// Current cue (playback position)
+		textStyle = ui.CurrentCueStyle
+		timestampStyle = ui.TimestampStyle
+	} else {
+		textStyle = ui.BaseStyle
+		timestampStyle = ui.TimestampStyle
+	}
+
+	timestampStr := timestampStyle.Render(timestamp)
+	textStr := textStyle.Render(cue.Text)
+
+	// Add selection indicator
+	prefix := "  "
+	if isSelected {
+		prefix = "> "
+	}
+
+	return fmt.Sprintf("%s%s\n%s%s\n", prefix, timestampStr, prefix, textStr)
+}
+
+// formatTimestamp formats start/end times as SRT timestamp
+func formatTimestamp(start, end time.Duration) string {
+	return fmt.Sprintf("%s --> %s",
+		formatTime(start),
+		formatTime(end),
+	)
+}
+
+// formatTime formats a duration as HH:MM:SS,mmm
+func formatTime(d time.Duration) string {
+	h := d / time.Hour
+	d -= h * time.Hour
+	m := d / time.Minute
+	d -= m * time.Minute
+	s := d / time.Second
+	d -= s * time.Second
+	ms := d / time.Millisecond
+
+	return fmt.Sprintf("%02d:%02d:%02d,%03d", h, m, s, ms)
+}