package finance

import "testing"

func TestClassifyOrderSpendingNormal(t *testing.T) {
	got := ClassifyOrderSpending(2, "O2026", 1000, 200, "", 0)
	if got.IsGamePass {
		t.Fatalf("expected non game pass")
	}
	if got.Total != 1200 || got.PaidCoupon != 1200 || got.GamePass != 0 {
		t.Fatalf("unexpected breakdown: %+v", got)
	}
}

func TestClassifyOrderSpendingGamePass(t *testing.T) {
	got := ClassifyOrderSpending(4, "GP2026", 0, 0, "use_game_pass", 2000)
	if !got.IsGamePass {
		t.Fatalf("expected game pass")
	}
	if got.Total != 2000 || got.PaidCoupon != 0 || got.GamePass != 2000 {
		t.Fatalf("unexpected breakdown: %+v", got)
	}
}

func TestComputePrizeCostWithMultiplier(t *testing.T) {
	got := ComputePrizeCostWithMultiplier(1500, 2000)
	if got != 3000 {
		t.Fatalf("expected 3000 got %d", got)
	}
}

func TestProfitNormalOrder(t *testing.T) {
	sp := ClassifyOrderSpending(2, "O1", 1000, 200, "", 0)
	profit, _ := ComputeProfit(sp.Total, 900)
	if profit != 300 {
		t.Fatalf("expected 300 got %d", profit)
	}
}

func TestProfitGamePassOrder(t *testing.T) {
	gpValue := ComputeGamePassValue(2, 1000)
	sp := ClassifyOrderSpending(4, "GP1", 0, 0, "use_game_pass", gpValue)
	profit, _ := ComputeProfit(sp.Total, 1500)
	if profit != 500 {
		t.Fatalf("expected 500 got %d", profit)
	}
}

func TestProfitGamePassOrderWithMultiplier(t *testing.T) {
	gpValue := ComputeGamePassValue(2, 1000)
	sp := ClassifyOrderSpending(4, "GP1", 0, 0, "use_game_pass", gpValue)
	cost := ComputePrizeCostWithMultiplier(1500, 2000)
	profit, _ := ComputeProfit(sp.Total, cost)
	if profit != -1000 {
		t.Fatalf("expected -1000 got %d", profit)
	}
}