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#include <stdio.h>

#include "platform/nexus_core.hpp"
#include "platform/nexus_node.hpp"

namespace ot {
namespace Nexus {

/** Delay in milliseconds for node startup/joining */
static constexpr uint32_t kNodeJoinDelay = 20 * 1000;
/** Delay in milliseconds for network to stabilize and PBBR to become primary */
static constexpr uint32_t kStabilizationDelay = 300 * 1000;

void TestPbbrAloc(void)
{
    // Topology:
    //   PBBR -- LEADER -- ROUTER

    Core nexus;

    Node &pbbr   = nexus.CreateNode();
    Node &leader = nexus.CreateNode();
    Node &router = nexus.CreateNode();

    pbbr.SetName("PBBR");
    leader.SetName("LEADER");
    router.SetName("ROUTER");

    nexus.AdvanceTime(0);

    Log("---------------------------------------------------------------------------------------");
    Log("Form network and enable PBBR");

    AllowLinkBetween(pbbr, leader);
    AllowLinkBetween(leader, router);

    leader.Form();
    nexus.AdvanceTime(kNodeJoinDelay);

    pbbr.Join(leader);
    pbbr.Get<BackboneRouter::Local>().SetEnabled(true);
    nexus.AdvanceTime(kNodeJoinDelay);

    router.Join(leader);
    nexus.AdvanceTime(kNodeJoinDelay);

    // Wait for network to stabilize and PBBR to become primary
    nexus.AdvanceTime(kStabilizationDelay);

    VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
    VerifyOrQuit(pbbr.Get<Mle::Mle>().IsRouter());
    VerifyOrQuit(router.Get<Mle::Mle>().IsRouter());
    VerifyOrQuit(pbbr.Get<BackboneRouter::Local>().IsPrimary());

    Log("---------------------------------------------------------------------------------------");
    Log("Verify ALOC connectivity");

    Ip6::Address aloc;

    // 1. Leader ALOC
    leader.Get<Mle::Mle>().ComposeLeaderAloc(aloc);
    Log("Pinging Leader ALOC %s from ROUTER", aloc.ToString().AsCString());
    nexus.SendAndVerifyEchoRequest(router, aloc);

    // 2. PBBR ALOC
    aloc.SetPrefix(leader.Get<Mle::Mle>().GetMeshLocalPrefix());
    aloc.GetIid().InitAsLocator(Mle::Aloc16::ForPrimaryBackboneRouter());
    Log("Pinging PBBR ALOC %s from ROUTER", aloc.ToString().AsCString());
    nexus.SendAndVerifyEchoRequest(router, aloc);

    Log("All tests passed");

    nexus.SaveTestInfo("test_pbbr_aloc.json", &leader);
}

} // namespace Nexus
} // namespace ot

int main(void)
{
    ot::Nexus::TestPbbrAloc();
    return 0;
}
