package app

import (
	"reflect"
	"testing"
)

func TestQuestionCombinationRegionTermsFromIPRegion(t *testing.T) {
	got := questionCombinationRegionTermsFromIPRegion("中国|0|安徽省|合肥市|电信")
	want := []string{"合肥", "华东"}
	if !reflect.DeepEqual(got, want) {
		t.Fatalf("region terms = %#v, want %#v", got, want)
	}
}

func TestBuildQuestionCombinationFillFallback(t *testing.T) {
	description := "GEO 与 AI 搜索优化平台"
	got := buildQuestionCombinationFillFallback(&questionBrandContext{
		BrandName:   "GeoRankly",
		Description: &description,
	}, []string{"上海", "华东"}, QuestionCombinationFillRequest{})

	if !reflect.DeepEqual(got.Region, []string{"上海", "华东"}) {
		t.Fatalf("region = %#v", got.Region)
	}
	if len(got.Core) < 3 || got.Core[0] != "GEO" {
		t.Fatalf("core fallback = %#v", got.Core)
	}
	if len(got.Prefix) != 4 || len(got.Industry) != 4 || len(got.Suffix) != 4 {
		t.Fatalf("expected four hot terms for non-region columns, got %#v", got)
	}
}