package domain

import "testing"

func TestSumByTeam(t *testing.T) {
	ledger := []LedgerEntry{
		ledgerFor(1, 10),
		ledgerForAthlete(1, 101, 10),
		ledgerFor(2, 6),
	}
	got := SumByTeam(ledger, 1)
	if !nearlyEqual(got[1].Total, 20) || !nearlyEqual(got[1].TeamOnly, 10) || !nearlyEqual(got[1].Individual, 10) {
		t.Fatalf("单位1汇总 = %+v，期望 总分20 / 单位10 / 个人10", got[1])
	}
	if !nearlyEqual(got[2].Total, 6) {
		t.Fatalf("单位2汇总 = %+v，期望 6", got[2])
	}

	half := SumByTeam(ledger, 0.5)
	if !nearlyEqual(half[1].Total, 15) {
		t.Fatalf("系数 0.5 时单位1总分 = %v，期望 15", half[1].Total)
	}
}

func TestSumByAthlete(t *testing.T) {
	ledger := []LedgerEntry{
		ledgerForAthlete(1, 101, 10),
		ledgerForAthlete(1, 101, 2),
		ledgerFor(1, 100), // 仅记单位，不进个人榜
	}
	got := SumByAthlete(ledger)
	if len(got) != 1 || !nearlyEqual(got[101], 12) {
		t.Fatalf("个人汇总 = %+v，期望只有 101:12", got)
	}
}