package clientapi_test

import (
	"net/http"
	"testing"

	"github.com/dariuszjaniak/warp/server/internal/clientapi"
)

// TestLoginCarriesDiscovery covers the shortcut the spec allows: a client
// that only knew the server name learns its API URL from the login response
// instead of fetching /.well-known separately.
func TestLoginCarriesDiscovery(t *testing.T) {
	ts := newTestServer(t, func(o *clientapi.Options) {
		o.ClientBaseURL = "https://matrix.warp.example"
	})
	ts.register("alice", "superuser")

	rec := ts.do(request{method: http.MethodPost, path: loginPath, body: map[string]any{
		"type":       "m.login.password",
		"identifier": map[string]any{"type": "m.id.user", "user": "alice"},
		"password":   "superuser",
	}})
	expectStatus(t, rec, http.StatusOK)

	wellKnown, ok := jsonBody(t, rec)["well_known"].(map[string]any)
	if !ok {
		t.Fatalf("login response carries no well_known: %s", rec.Body.String())
	}
	homeserver, _ := wellKnown["m.homeserver"].(map[string]any)
	if homeserver["base_url"] != "https://matrix.warp.example" {
		t.Errorf("base_url = %v", homeserver["base_url"])
	}
}

// TestLoginOmitsDiscoveryWhenUnconfigured keeps the response from carrying
// an empty object a client would have to guess at.
func TestLoginOmitsDiscoveryWhenUnconfigured(t *testing.T) {
	ts := newTestServer(t, nil)
	ts.register("alice", "superuser")

	rec := ts.do(request{method: http.MethodPost, path: loginPath, body: map[string]any{
		"type":       "m.login.password",
		"identifier": map[string]any{"type": "m.id.user", "user": "alice"},
		"password":   "superuser",
	}})
	expectStatus(t, rec, http.StatusOK)

	if _, present := jsonBody(t, rec)["well_known"]; present {
		t.Error("well_known must be omitted when no client base URL is configured")
	}
}