package glpi

import (
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"
)

func TestClientDiscoversAndReadsKnowledgeBase(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		switch r.URL.Path {
		case "/api.php/token":
			_ = json.NewEncoder(w).Encode(map[string]any{"access_token": "token", "expires_in": 3600})
		case "/api.php/doc.json":
			_ = json.NewEncoder(w).Encode(map[string]any{"paths": map[string]any{"/api.php/v2.3/Knowledge/KnowbaseItem": map[string]any{"get": map[string]any{}}}})
		case "/api.php/v2.3/Knowledge/KnowbaseItem":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []map[string]any{{"id": 5, "name": "VPN", "answer": "<p>Gateway prüfen</p>", "knowbase_category": map[string]any{"id": 9}, "date_mod": "now"}}})
		case "/api.php/v2.3/Dropdowns/ITILCategory":
			_ = json.NewEncoder(w).Encode([]map[string]any{{"id": 7, "name": "Netzwerk", "completename": "Infra > Netzwerk", "knowbase_category": map[string]any{"id": 9}}})
		default:
			http.NotFound(w, r)
		}
	}))
	defer server.Close()

	client := New(server.URL, "v2.3", "id", "secret", "user", "password", time.Second)
	path, err := client.DiscoverKnowledgeBasePath(context.Background(), "auto")
	if err != nil {
		t.Fatal(err)
	}
	if path != "/Knowledge/KnowbaseItem" {
		t.Fatalf("unexpected path %q", path)
	}
	items, err := client.ListKnowledgeBaseItems(context.Background(), path, 100, "")
	if err != nil {
		t.Fatal(err)
	}
	if len(items) != 1 || items[0].ID != 5 || len(items[0].CategoryIDs) != 1 || items[0].CategoryIDs[0] != 9 {
		t.Fatalf("unexpected items: %+v", items)
	}
	categories, err := client.GetCategories(context.Background())
	if err != nil {
		t.Fatal(err)
	}
	if len(categories) != 1 || categories[0].KnowbaseCategoryID != 9 {
		t.Fatalf("unexpected categories: %+v", categories)
	}
}