package websearch

import (
	"context"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestSearch(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Query().Get("format") != "json" {
			t.Error("missing format=json")
		}
		if r.URL.Query().Get("q") != "昔涟" {
			t.Errorf("unexpected query: %s", r.URL.Query().Get("q"))
		}
		w.Write([]byte(`{"results":[
			{"title":"结果一","url":"https://a.com","content":"摘要一"},
			{"title":"结果二","url":"https://b.com","content":"摘要二"}
		]}`))
	}))
	defer srv.Close()

	p := New(srv.URL)
	out, err := p.Execute(context.Background(), "web_search", map[string]any{"query": "昔涟"})
	if err != nil {
		t.Fatalf("Execute: %v", err)
	}
	if !strings.Contains(out, "结果一") || !strings.Contains(out, "https://b.com") {
		t.Errorf("unexpected output: %s", out)
	}
}

func TestSearchNoResults(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Write([]byte(`{"results":[]}`))
	}))
	defer srv.Close()

	p := New(srv.URL)
	out, err := p.Execute(context.Background(), "web_search", map[string]any{"query": "xyz"})
	if err != nil || !strings.Contains(out, "没有结果") {
		t.Errorf("out=%q err=%v", out, err)
	}
}

func TestSearchMissingQuery(t *testing.T) {
	p := New("http://unused")
	if _, err := p.Execute(context.Background(), "web_search", map[string]any{}); err == nil {
		t.Error("expected error for missing query")
	}
}

func TestDisabledWithoutURL(t *testing.T) {
	if New("").Enabled() {
		t.Error("plugin should be disabled without SearXNG URL")
	}
}