package registerreward

import "testing"

func TestDeriveRegisterRewardClaimResult(t *testing.T) {
	t.Run("rewarded success", func(t *testing.T) {
		got := deriveRegisterRewardClaimResult(registerRewardStatusSuccess, registerRewardGrantModeIssueReward)
		if got != registerRewardClaimResultRewarded {
			t.Fatalf("deriveRegisterRewardClaimResult() = %s, want %s", got, registerRewardClaimResultRewarded)
		}
	})

	t.Run("quota exhausted success", func(t *testing.T) {
		got := deriveRegisterRewardClaimResult(registerRewardStatusSuccess, registerRewardGrantModeQuotaExhausted)
		if got != registerRewardClaimResultQuotaExhausted {
			t.Fatalf("deriveRegisterRewardClaimResult() = %s, want %s", got, registerRewardClaimResultQuotaExhausted)
		}
	})

	t.Run("failed issue reward", func(t *testing.T) {
		got := deriveRegisterRewardClaimResult(registerRewardStatusFailed, registerRewardGrantModeIssueReward)
		if got != registerRewardClaimResultFailed {
			t.Fatalf("deriveRegisterRewardClaimResult() = %s, want %s", got, registerRewardClaimResultFailed)
		}
	})
}

func TestResolveRegisterRewardRemainingCount(t *testing.T) {
	t.Run("unlimited returns zero", func(t *testing.T) {
		if got := resolveRegisterRewardRemainingCount(0, 12); got != 0 {
			t.Fatalf("resolveRegisterRewardRemainingCount() = %d, want 0", got)
		}
	})

	t.Run("remaining cannot be negative", func(t *testing.T) {
		if got := resolveRegisterRewardRemainingCount(5, 9); got != 0 {
			t.Fatalf("resolveRegisterRewardRemainingCount() = %d, want 0", got)
		}
	})

	t.Run("remaining uses occupied count", func(t *testing.T) {
		if got := resolveRegisterRewardRemainingCount(20, 7); got != 13 {
			t.Fatalf("resolveRegisterRewardRemainingCount() = %d, want 13", got)
		}
	})
}