package giftdiamond

import "testing"

func TestDefaultReturnCoinRatioPercentByGiftType(t *testing.T) {
	cases := map[string]string{
		"normal":      "30.00",
		"lucky":       "10.00",
		"super_lucky": "1.00",
		"":            "30.00",
	}
	for giftType, want := range cases {
		if got := defaultReturnCoinRatioPercent(giftType); got != want {
			t.Fatalf("defaultReturnCoinRatioPercent(%q) = %s, want %s", giftType, got, want)
		}
	}
}

func TestFormatReturnCoinRatioUsesGiftTypeDefault(t *testing.T) {
	if got := formatPercentStringWithDefault("", defaultReturnCoinRatioPercent("normal")); got != "30.00" {
		t.Fatalf("normal return coin fallback = %s, want 30.00", got)
	}
	if got := formatPercentStringWithDefault("12.345", defaultReturnCoinRatioPercent("lucky")); got != "12.35" {
		t.Fatalf("return coin rounding = %s, want 12.35", got)
	}
}