render multiple draws into a single card

cmd/lottery/main.go

@@ -81,10 +81,19 @@ var cmd = &cobra.Command{
 		}
 
 		count := viper.GetInt("count")
+		includeDrawHeading := count > 1
+		renders := make([]string, 0, count)
+		drawTitle := "Lottery"
 
-		for range count {
+		for i := range count {
 			l.Draw()
-			fmt.Println(renderDraw(l))
+			title, entry := renderDrawEntry(l, i+1, includeDrawHeading)
+			drawTitle = title
+			renders = append(renders, entry)
+		}
+
+		if len(renders) > 0 {
+			fmt.Println(renderDrawCollection(drawTitle, renders))
 		}
 
 		return nil

cmd/lottery/render.go

@@ -9,6 +9,24 @@ import (
 	"github.com/onyx-and-iris/lottery-cli"
 )
 
+// nolint:misspell
+var (
+	titleStyle       = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("12"))
+	drawHeadingStyle = lipgloss.NewStyle().
+				Bold(true).
+				Underline(true).
+				Foreground(lipgloss.Color("14"))
+	labelStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("8"))
+	numbersStyle   = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("10"))
+	specialStyle   = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("11"))
+	separatorStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("8"))
+	cardStyle      = lipgloss.NewStyle().
+			BorderStyle(lipgloss.RoundedBorder()).
+			BorderForeground(lipgloss.Color("8")).
+			Padding(0, 1).
+			MarginTop(1)
+)
+
 func formatNumberList(numbers []int) string {
 	parts := make([]string, len(numbers))
 	for i, n := range numbers {
@@ -17,13 +35,7 @@ func formatNumberList(numbers []int) string {
 	return strings.Join(parts, "  ")
 }
 
-// nolint:misspell
-func renderDraw(l lottery.Lottery) string {
-	titleStyle := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("12"))
-	labelStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("8"))
-	numbersStyle := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("10"))
-	specialStyle := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("11"))
-
+func drawTitleAndLines(l lottery.Lottery) (string, []string) {
 	var title string
 	var lines []string
 
@@ -91,12 +103,44 @@ func renderDraw(l lottery.Lottery) string {
 		lines = append(lines, "Unknown lottery type")
 	}
 
-	body := strings.Join(lines, "\n")
-	card := lipgloss.NewStyle().
-		BorderStyle(lipgloss.RoundedBorder()).
-		BorderForeground(lipgloss.Color("8")).
-		Padding(0, 1).
-		MarginTop(1)
-
-	return card.Render(titleStyle.Render(title+" draw") + "\n" + body)
+	return title, lines
+}
+
+func renderDrawEntry(l lottery.Lottery, drawNumber int, includeHeading bool) (string, string) {
+	title, lines := drawTitleAndLines(l)
+
+	entry := make([]string, 0, len(lines)+1)
+	if includeHeading {
+		entry = append(entry, drawHeadingStyle.Render("Draw "+strconv.Itoa(drawNumber)))
+	}
+	entry = append(entry, lines...)
+
+	return title, strings.Join(entry, "\n")
+}
+
+func maxLineWidth(blocks []string) int {
+	maxWidth := 0
+	for _, block := range blocks {
+		for line := range strings.SplitSeq(block, "\n") {
+			width := lipgloss.Width(line)
+			if width > maxWidth {
+				maxWidth = width
+			}
+		}
+	}
+	if maxWidth < 12 {
+		return 12
+	}
+	return maxWidth
+}
+
+func renderDrawCollection(title string, entries []string) string {
+	if len(entries) == 0 {
+		return ""
+	}
+
+	separator := separatorStyle.Render(strings.Repeat("─", maxLineWidth(entries)))
+	body := strings.Join(entries, "\n"+separator+"\n")
+
+	return cardStyle.Render(titleStyle.Render(title+" draws") + "\n" + body)
 }