package websearch

import (
	"testing"
)

func TestNewDefaultEngine(t *testing.T) {
	tool := New(Config{}, 4000, nil)
	if tool.Name() != "web_search" {
		t.Fatalf("expected name web_search, got %s", tool.Name())
	}
	if tool.engine != "duckduckgo" {
		t.Fatalf("expected default engine duckduckgo, got %s", tool.engine)
	}
}

func TestNewBraveEngine(t *testing.T) {
	tool := New(Config{Engine: "brave", APIKey: "test-key"}, 4000, nil)
	if tool.engine != "brave" {
		t.Fatalf("expected engine brave, got %s", tool.engine)
	}
	if tool.apiKey != "test-key" {
		t.Fatalf("expected apiKey test-key, got %s", tool.apiKey)
	}
}

func TestCallRejectsEmptyQuery(t *testing.T) {
	tool := New(Config{}, 4000, nil)
	_, err := tool.Call(nil, "   ")
	if err == nil {
		t.Fatal("expected error for empty query")
	}
}

func TestFormatDuckDuckGoResultWithAnswer(t *testing.T) {
	tool := New(Config{}, 4000, nil)
	ddg := duckDuckGoResponse{
		Answer:       "42",
		AbstractText: "The answer to everything.",
	}
	result := tool.formatDuckDuckGoResult("meaning of life", ddg)
	if result == "" {
		t.Fatal("expected non-empty result")
	}
	if len(result) == 0 {
		t.Fatal("result should contain content")
	}
}

func TestFormatBraveResultEmpty(t *testing.T) {
	tool := New(Config{Engine: "brave"}, 4000, nil)
	resp := braveSearchResponse{}
	result := tool.formatBraveResult("test", resp)
	if result == "" {
		t.Fatal("expected non-empty result")
	}
}