package ratelimit

import "testing"

func TestAllowRequestDaily(t *testing.T) {
	l := New()
	if !l.AllowRequestDaily(1, 2) {
		t.Fatal("first request should be allowed")
	}
	if !l.AllowRequestDaily(1, 2) {
		t.Fatal("second request should be allowed")
	}
	if l.AllowRequestDaily(1, 2) {
		t.Fatal("third request should be blocked")
	}
	// 另一个 key 不受影响
	if !l.AllowRequestDaily(2, 2) {
		t.Fatal("other key should be allowed")
	}
}

func TestTokensDaily(t *testing.T) {
	l := New()
	l.AddTokens(1, 100)
	l.AddTokens(1, 50)
	if got := l.TokensUsed(1); got != 150 {
		t.Fatalf("tokens = %d, want 150", got)
	}
	if got := l.TokensUsed(2); got != 0 {
		t.Fatalf("other key tokens = %d, want 0", got)
	}
	// 配额检查语义：已达 150 再设配额 150 应拒绝
	l.AddTokens(3, 150)
	if l.TokensUsed(3) >= 150 {
		// 注意：>= 表示已达上限，Auth 层据此拒绝
	}
}

func TestAllowUserRate(t *testing.T) {
	l := New()
	// limit=1：立即第二次应被拒绝
	if !l.AllowUserRate(9, 1) {
		t.Fatal("first should be allowed")
	}
	if l.AllowUserRate(9, 1) {
		t.Fatal("second in same second should be blocked")
	}
	// limit<=0 不限制
	if !l.AllowUserRate(9, 0) {
		t.Fatal("limit 0 should always allow")
	}
}