Implement Stats Mode.

Also rewords some prompts. Might as well be thorough in accepting reasonable inputs.

cardsim/terminalui.go

@@ -87,7 +87,7 @@ func pickNextAction[C StatsCollection](p *Player[C]) (isCard bool, cardIdx int,
 		max := displayHandMenu(p, handOffset)
 
 		divider()
-		fmt.Printf("Show just (M)essages, (S)tats, (A)ctions, make a choice (1-%d), or (Q)uit? >", max+1)
+		fmt.Printf("Show just (M)essages, (I)nfo Panels, (A)ctions, make a choice (1-%d), or (Q)uit? > ", max+1)
 		input := getResponse()
 		switch input {
 		// Special cases
@@ -95,7 +95,7 @@ func pickNextAction[C StatsCollection](p *Player[C]) (isCard bool, cardIdx int,
 			cls()
 			displayMessageSection(p)
 			wait()
-		case "s", "stat", "stats":
+		case "s", "stat", "stats", "i", "info", "p", "panel", "panels", "infopanel", "infopanels":
 			statsMode(p)
 		case "a", "act", "actions":
 			actionsMode(p)
@@ -157,7 +157,7 @@ func divider() {
 
 func confirmQuit() {
 	divider()
-	fmt.Println("Are you sure you want to quit? (Y/N) ")
+	fmt.Println("Are you sure you want to quit? (Y/N) > ")
 	s := getResponse()
 	if s == "y" || s == "yes" {
 		fmt.Println("Bye!")
@@ -314,3 +314,41 @@ func displayCard[C StatsCollection](p *Player[C], card Card[C]) ([]CardOption[C]
 	}
 	return opts, valid, errs.Emit()
 }
+
+func statsMode[C StatsCollection](p *Player[C]) error {
+	var errs ErrorCollector
+	for {
+		cls()
+		n := displayStatsMenu(p)
+		if n <= 0 {
+			fmt.Println("No info panels are available.")
+			wait()
+			return errs.Emit()
+		}
+		fmt.Println()
+		fmt.Printf("Go (B)ack, (Q)uit, or view an info panel (1-%d)? > ")
+		s := getResponse()
+		switch s {
+		case "b", "back":
+			return errs.Emit()
+		case "q", "quit":
+			confirmQuit()
+		default:
+			v, err := strconv.Atoi(s)
+			if err != nil {
+				fmt.Println("Sorry, I don't understand.")
+				wait()
+			} else if v <= 0 || v > n {
+				fmt.Println("There's no info panel with that index.")
+			} else {
+				err := displayOnePanel(p, p.InfoPanels[v-1])
+				errs.Add(err)
+				if IsSeriousError(err) {
+					return errs.Emit()
+				}
+				wait()
+			}
+		}
+		// Loop to re-display info panels menu.
+	}
+}