package rules

import "testing"

func TestBlocklistRule_SenderBlocked_Rejects(t *testing.T) {
	r := NewBlocklistRule([]string{"spam@test.com"})
	result := r.Evaluate(EmailContext{Sender: "spam@test.com"})
	if result.Accepted {
		t.Fatal("expected reject for blocked sender")
	}
}

func TestBlocklistRule_SenderNotBlocked_Accepts(t *testing.T) {
	r := NewBlocklistRule([]string{"spam@test.com"})
	result := r.Evaluate(EmailContext{Sender: "ok@test.com"})
	if !result.Accepted {
		t.Fatal("expected accept for non-blocked sender")
	}
}

func TestBlocklistRule_EmptyList_Accepts(t *testing.T) {
	r := NewBlocklistRule(nil)
	result := r.Evaluate(EmailContext{Sender: "anyone@test.com"})
	if !result.Accepted {
		t.Fatal("empty blocklist should accept all")
	}
}

func TestBlocklistRule_CaseInsensitive(t *testing.T) {
	r := NewBlocklistRule([]string{"Spam@Test.com"})
	result := r.Evaluate(EmailContext{Sender: "spam@test.com"})
	if result.Accepted {
		t.Fatal("blocklist should be case-insensitive")
	}
}