package proxy

import (
	"testing"
	"time"
)

func TestRateLimiter_Allow_Good(t *testing.T) {
	limiter := NewRateLimiter(RateLimit{MaxConnectionsPerMinute: 2})
	if !limiter.Allow("127.0.0.1:1234") {
		t.Fatal("expected first connection to pass")
	}
}

func TestRateLimiter_Allow_Bad(t *testing.T) {
	limiter := NewRateLimiter(RateLimit{MaxConnectionsPerMinute: 1, BanDurationSeconds: 60})
	if !limiter.Allow("127.0.0.1:1234") {
		t.Fatal("expected first connection to pass")
	}
	if limiter.Allow("127.0.0.1:1234") {
		t.Fatal("expected second connection to be blocked")
	}
}

func TestRateLimiter_Allow_Ugly(t *testing.T) {
	limiter := NewRateLimiter(RateLimit{MaxConnectionsPerMinute: 1})
	limiter.Allow("127.0.0.1:1234")
	time.Sleep(time.Second)
	limiter.Tick()
	if limiter.Allow("127.0.0.1:1234") {
		t.Fatal("expected bucket not to refill fully after one second at 1/minute")
	}
}

func TestCustomDiff_OnLogin_Good(t *testing.T) {
	miner := &Miner{user: "wallet+5000"}
	NewCustomDiff(100).OnLogin(Event{Miner: miner})
	if miner.User() != "wallet" || miner.CustomDiff() != 5000 {
		t.Fatalf("expected parsed custom diff, got user=%q diff=%d", miner.User(), miner.CustomDiff())
	}
}

func TestCustomDiff_OnLogin_Bad(t *testing.T) {
	miner := &Miner{user: "wallet"}
	NewCustomDiff(100).OnLogin(Event{Miner: miner})
	if miner.CustomDiff() != 100 {
		t.Fatalf("expected fallback diff 100, got %d", miner.CustomDiff())
	}
}

func TestCustomDiff_OnLogin_Ugly(t *testing.T) {
	miner := &Miner{user: "wallet+bad"}
	NewCustomDiff(100).OnLogin(Event{Miner: miner})
	if miner.User() != "wallet+bad" || miner.CustomDiff() != 100 {
		t.Fatalf("expected invalid suffix to preserve user and apply global diff, got user=%q diff=%d", miner.User(), miner.CustomDiff())
	}
}