package providers

import (
	"context"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"

	"github.com/chenxin/hunjing/mcp/web-search/internal/models"
)

func TestTavilyProvider_Search_Success(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/search" {
			t.Errorf("unexpected path: %s", r.URL.Path)
		}
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(`{
			"query": "test",
			"results": [
				{"title": "Result 1", "url": "https://example.com/1", "content": "Content 1", "score": 0.95}
			]
		}`))
	}))
	defer ts.Close()

	p := &TavilyProvider{
		client:     ts.Client(),
		apiBase:    ts.URL,
		maxResults: 10,
	}

	result, err := p.Search(context.Background(), "test-key", &models.SearchRequest{Query: "test"})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if result.TotalCount != 1 {
		t.Fatalf("expected 1 result, got %d", result.TotalCount)
	}
	if result.Results[0].Title != "Result 1" {
		t.Errorf("expected 'Result 1', got '%s'", result.Results[0].Title)
	}
}

func TestTavilyProvider_Search_HTTPError(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusUnauthorized)
		w.Write([]byte(`{"error": "invalid api key"}`))
	}))
	defer ts.Close()

	p := &TavilyProvider{
		client:     ts.Client(),
		apiBase:    ts.URL,
		maxResults: 10,
	}

	_, err := p.Search(context.Background(), "bad-key", &models.SearchRequest{Query: "test"})
	if err == nil {
		t.Fatal("expected error, got nil")
	}
}

func TestTavilyProvider_Name(t *testing.T) {
	p := NewTavilyProvider(5*time.Second, 10)
	if p.Name() != models.ProviderTavily {
		t.Errorf("expected tavily, got %s", p.Name())
	}
}