package knowledge

import (
	"strings"
	"testing"
)

func TestShortPatrolSearchCoreDropsIntentNoise(t *testing.T) {
	got := ShortPatrolSearchCore("化療 無香 洗衣精 推薦 請問")
	if got == "" {
		t.Fatal("expected non-empty core")
	}
	if len([]rune(got)) > maxThreadsSearchRunes {
		t.Fatalf("core too long: %q", got)
	}
	if strings.Contains(got, "推薦") || strings.Contains(got, "請問") {
		t.Fatalf("expected intent words stripped for API core, got %q", got)
	}
	if !strings.Contains(got, "無香") && !strings.Contains(got, "洗衣精") {
		t.Fatalf("expected pain/product tokens kept, got %q", got)
	}
}

func TestFullPatrolWebSearchTagKeepsIntent(t *testing.T) {
	got := FullPatrolWebSearchTag("化療 無香 洗衣精")
	if !strings.Contains(got, "推薦") && !strings.Contains(got, "請問") && !strings.Contains(got, "怎麼辦") {
		t.Fatalf("expected relevance tag to include intent marker, got %q", got)
	}
}

func TestThreadsAPIKeywordUsesShortCore(t *testing.T) {
	long := "化療後皮膚敏感要換什麼無香洗衣精 推薦"
	got := ThreadsAPIKeyword(long)
	if got == "" || len([]rune(got)) > maxThreadsSearchRunes {
		t.Fatalf("unexpected threads keyword %q", got)
	}
}