Add date separators in matches list

internal/app.go

@@ -168,6 +168,18 @@ func New(debug bool) Model {
 		}
 		return fmt.Sprintf("%s  %s  (%s)", when, title, mt.Category)
 	})
+	m.matches.SetSeparator(func(prev, curr Match) (string, bool) {
+		currDay := time.UnixMilli(curr.Date).Local().Format("Jan 2")
+		prevDay := ""
+		if prev.Date != 0 {
+			prevDay = time.UnixMilli(prev.Date).Local().Format("Jan 2")
+		}
+
+		if prevDay == "" || prevDay != currDay {
+			return currDay, true
+		}
+		return "", false
+	})
 	m.streams = NewListColumn[Stream]("Streams", func(st Stream) string {
 		quality := "SD"
 		if st.HD {

internal/columns.go

@@ -49,12 +49,18 @@ type ListColumn[T any] struct {
 	width    int
 	height   int
 	render   renderer[T]
+
+	separator func(prev, curr T) (string, bool)
 }
 
 func NewListColumn[T any](title string, r renderer[T]) *ListColumn[T] {
 	return &ListColumn[T]{title: title, render: r, width: 30, height: 20}
 }
 
+func (c *ListColumn[T]) SetSeparator(sep func(prev, curr T) (string, bool)) {
+	c.separator = sep
+}
+
 func truncateToWidth(text string, width int) string {
 	if width <= 0 {
 		return ""
@@ -77,6 +83,23 @@ func truncateToWidth(text string, width int) string {
 	return text
 }
 
+func buildSeparatorLine(label string, width int) string {
+	if width <= 0 {
+		return label
+	}
+
+	trimmed := strings.TrimSpace(label)
+	padded := fmt.Sprintf(" %s ", trimmed)
+	remaining := width - lipgloss.Width(padded)
+	if remaining <= 0 {
+		return truncateToWidth(padded, width)
+	}
+
+	left := remaining / 2
+	right := remaining - left
+	return strings.Repeat("─", left) + padded + strings.Repeat("─", right)
+}
+
 func (c *ListColumn[T]) SetItems(items []T) {
 	c.items = items
 	c.selected = 0
@@ -105,18 +128,14 @@ func (c *ListColumn[T]) CursorUp() {
 	if c.selected > 0 {
 		c.selected--
 	}
-	if c.selected < c.scroll {
-		c.scroll = c.selected
-	}
+	c.ensureSelectedVisible()
 }
 
 func (c *ListColumn[T]) CursorDown() {
 	if c.selected < len(c.items)-1 {
 		c.selected++
 	}
-	if c.selected >= c.scroll+c.height {
-		c.scroll = c.selected - c.height + 1
-	}
+	c.ensureSelectedVisible()
 }
 
 func (c *ListColumn[T]) Selected() (T, bool) {
@@ -127,6 +146,80 @@ func (c *ListColumn[T]) Selected() (T, bool) {
 	return c.items[c.selected], true
 }
 
+type listRow[T any] struct {
+	text        string
+	isSeparator bool
+	itemIndex   int
+}
+
+func (c *ListColumn[T]) buildRows() []listRow[T] {
+	rows := make([]listRow[T], 0, len(c.items))
+	var prev T
+
+	for i, item := range c.items {
+		if c.separator != nil {
+			if sepText, ok := c.separator(prev, item); ok {
+				rows = append(rows, listRow[T]{text: sepText, isSeparator: true, itemIndex: -1})
+			}
+		}
+
+		rows = append(rows, listRow[T]{text: c.render(item), itemIndex: i})
+		prev = item
+	}
+	return rows
+}
+
+func (c *ListColumn[T]) clampScroll(totalRows int) {
+	if c.height <= 0 {
+		c.scroll = 0
+		return
+	}
+
+	maxScroll := totalRows - c.height
+	if maxScroll < 0 {
+		maxScroll = 0
+	}
+	if c.scroll > maxScroll {
+		c.scroll = maxScroll
+	}
+	if c.scroll < 0 {
+		c.scroll = 0
+	}
+}
+
+func (c *ListColumn[T]) ensureSelectedVisible() {
+	if len(c.items) == 0 {
+		c.scroll = 0
+		return
+	}
+
+	rows := c.buildRows()
+	selRow := 0
+	for idx, row := range rows {
+		if row.isSeparator {
+			continue
+		}
+		if row.itemIndex == c.selected {
+			selRow = idx
+			break
+		}
+	}
+
+	if c.height <= 0 {
+		c.scroll = selRow
+		return
+	}
+
+	if selRow < c.scroll {
+		c.scroll = selRow
+	}
+	if selRow >= c.scroll+c.height {
+		c.scroll = selRow - c.height + 1
+	}
+
+	c.clampScroll(len(rows))
+}
+
 func (c *ListColumn[T]) View(styles Styles, focused bool) string {
 	box := styles.Box
 	if focused {
@@ -144,32 +237,58 @@ func (c *ListColumn[T]) View(styles Styles, focused bool) string {
 	if len(c.items) == 0 {
 		lines = append(lines, "(no items)")
 	} else {
+		rows := c.buildRows()
+		c.clampScroll(len(rows))
+
 		start := c.scroll
 		end := start + c.height
-		if end > len(c.items) {
-			end = len(c.items)
+		if end > len(rows) {
+			end = len(rows)
 		}
-		meta = styles.Subtle.Render(fmt.Sprintf("Showing %d–%d of %d", start+1, end, len(c.items)))
+
+		startItem, endItem := -1, -1
+
 		for i := start; i < end; i++ {
+			row := rows[i]
 			cursor := "  "
-			lineText := c.render(c.items[i])
+			lineText := row.text
 
 			contentWidth := c.width - lipgloss.Width(cursor)
-			if contentWidth > 1 && lipgloss.Width(lineText) > contentWidth {
-				lineText = fmt.Sprintf("%s…", truncateToWidth(lineText, contentWidth-1))
-			}
 
-			if i == c.selected {
-				cursor = "▸ "
-				lineText = lipgloss.NewStyle().
-					Foreground(lipgloss.Color("#FA8072")). // Not pink, its Salmon obviously
-					Bold(true).
-					Render(lineText)
+			if row.isSeparator {
+				lineText = buildSeparatorLine(lineText, contentWidth)
+				lineText = styles.Subtle.Render(lineText)
+			} else {
+				if contentWidth > 1 && lipgloss.Width(lineText) > contentWidth {
+					lineText = fmt.Sprintf("%s…", truncateToWidth(lineText, contentWidth-1))
+				}
+
+				if startItem == -1 {
+					startItem = row.itemIndex
+				}
+				endItem = row.itemIndex
+
+				if row.itemIndex == c.selected {
+					cursor = "▸ "
+					lineText = lipgloss.NewStyle().
+						Foreground(lipgloss.Color("#FA8072")). // Not pink, its Salmon obviously
+						Bold(true).
+						Render(lineText)
+				}
 			}
 
 			line := fmt.Sprintf("%s%s", cursor, lineText)
 			lines = append(lines, line)
 		}
+
+		if startItem == -1 {
+			startItem = 0
+		}
+		if endItem == -1 {
+			endItem = startItem
+		}
+
+		meta = styles.Subtle.Render(fmt.Sprintf("Showing %d–%d of %d", startItem+1, endItem+1, len(c.items)))
 	}
 
 	// Fill remaining lines if fewer than height