package engines

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

	"github.com/metamorphosis-dev/samsa/internal/contracts"
)

func TestWikidataEngine_Search(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Query().Get("action") != "wbsearchentities" {
			t.Errorf("action=%q", r.URL.Query().Get("action"))
		}
		if got := r.URL.Query().Get("search"); got != "test" {
			t.Errorf("search=%q want test", got)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"search":[{"id":"Q937","label":"Go","description":"Programming language"}]}`))
	}))
	defer ts.Close()

	orig := wikidataAPIBase
	t.Cleanup(func() { wikidataAPIBase = orig })
	wikidataAPIBase = ts.URL + "/w/api.php"

	e := &WikidataEngine{client: ts.Client()}
	resp, err := e.Search(context.Background(), contracts.SearchRequest{
		Query:    "test",
		Language: "en",
	})
	if err != nil {
		t.Fatal(err)
	}
	if len(resp.Results) != 1 {
		t.Fatalf("expected 1 result, got %d", len(resp.Results))
	}
	r0 := resp.Results[0]
	if r0.Engine != "wikidata" {
		t.Errorf("engine=%q", r0.Engine)
	}
	if r0.Title != "Go" {
		t.Errorf("title=%q", r0.Title)
	}
	if r0.URL == nil || !strings.Contains(*r0.URL, "Q937") {
		t.Errorf("url=%v", r0.URL)
	}
}