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#include <stdarg.h>
#include <stdio.h>
#include <string.h>

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

namespace ot {
namespace Nexus {

void TestCliBasic(void)
{
    // Validate basic CLI commands.

    static constexpr uint16_t kNumRouters = 8;

    Core nexus;

    Node &leader = nexus.CreateNode();
    Node *routers[kNumRouters];

    SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNone));

    Log("---------------------------------------------------------------------------------------");
    Log("Initial state");

    VerifyOrQuit(leader.GetCliOutputLines().GetLength() == 0);

    leader.InputCli("state");
    VerifyOrQuit(leader.IsCliOutputSuccess());
    VerifyOrQuit(leader.GetCliOutputLines()[0].Matches("disabled"));

    Log("---------------------------------------------------------------------------------------");
    Log("Form network on `leader`");

    leader.InputCli("dataset init new");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    leader.InputCli("dataset");

    Log("`dataset` command output on `leader`");

    for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
    {
        Log("- %s", line.GetLine());
    }

    leader.InputCli("dataset commit active");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    leader.InputCli("ifconfig up");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    leader.InputCli("thread start");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    nexus.AdvanceTime(2 * Time::kOneMinuteInMsec);

    leader.InputCli("state");
    VerifyOrQuit(leader.IsCliOutputSuccess());
    VerifyOrQuit(leader.GetCliOutputLines()[0].Matches("leader"));

    Log("---------------------------------------------------------------------------------------");
    Log("Join %u routers to same network", kNumRouters);

    for (Node *&router : routers)
    {
        router = &nexus.CreateNode();

        router->InputCli("state");
        VerifyOrQuit(router->IsCliOutputSuccess());
        VerifyOrQuit(router->GetCliOutputLines()[0].Matches("disabled"));

        router->InputCli("dataset clear");

        // Set network key and channel

        leader.InputCli("networkkey");
        VerifyOrQuit(leader.IsCliOutputSuccess());
        router->InputCli("dataset networkkey %s", leader.GetCliOutputLines()[0].GetLine());
        VerifyOrQuit(router->IsCliOutputSuccess());

        leader.InputCli("channel");
        VerifyOrQuit(leader.IsCliOutputSuccess());
        router->InputCli("dataset channel %s", leader.GetCliOutputLines()[0].GetLine());
        VerifyOrQuit(router->IsCliOutputSuccess());

        router->InputCli("dataset commit active");
        VerifyOrQuit(router->IsCliOutputSuccess());

        router->InputCli("ifconfig up");
        VerifyOrQuit(router->IsCliOutputSuccess());

        router->InputCli("thread start");
        VerifyOrQuit(router->IsCliOutputSuccess());

        nexus.AdvanceTime(100 * Time::kOneSecondInMsec);
    }

    Log("---------------------------------------------------------------------------------------");
    Log("Make sure all routers are attached");

    nexus.AdvanceTime(7 * Time::kOneMinuteInMsec);

    for (Node *router : routers)
    {
        router->InputCli("state");
        VerifyOrQuit(router->IsCliOutputSuccess());
        VerifyOrQuit(router->GetCliOutputLines()[0].Matches("router"));
    }

    Log("---------------------------------------------------------------------------------------");
    Log("The neighbor table");

    leader.InputCli("neighbor table");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
    {
        Log("- %s", line.GetLine());
    }

    Log("---------------------------------------------------------------------------------------");
    Log("The router table");

    leader.InputCli("router table");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
    {
        Log("- %s", line.GetLine());
    }

    Log("---------------------------------------------------------------------------------------");
    Log("Check `dns config` with `def` placeholders");

    // Explicitly set every field, using "def" to request the default value
    // for the port, response timeout, max tx attempts, and recursion
    // desired fields, while still setting the service mode and transport
    // protocol explicitly. "def" lets a field be explicitly requested as
    // default while later fields are still set explicitly (previously,
    // leaving a field unspecified also forced every field after it to
    // remain unspecified).
    leader.InputCli("dns config def def def def def def def");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    leader.InputCli("dns config fd00::1 def def def def srv_txt_sep udp");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    leader.InputCli("dns config");
    VerifyOrQuit(leader.IsCliOutputSuccess());

    {
        bool foundResponseTimeout  = false;
        bool foundMaxTxAttempts    = false;
        bool foundRecursionDesired = false;
        bool foundServiceMode      = false;

        for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
        {
            Log("- %s", line.GetLine());

            foundResponseTimeout |= line.Matches("ResponseTimeout: 7000 ms");
            foundMaxTxAttempts |= line.Matches("MaxTxAttempts: 3");
            foundRecursionDesired |= line.Matches("RecursionDesired: yes");
            foundServiceMode |= line.Matches("ServiceMode: srv_txt_sep");
        }

        VerifyOrQuit(foundResponseTimeout);
        VerifyOrQuit(foundMaxTxAttempts);
        VerifyOrQuit(foundRecursionDesired);
        VerifyOrQuit(foundServiceMode);
    }

    Log("---------------------------------------------------------------------------------------");
    Log("Check `dns resolve` accepts `def` for the DNS server IP");

    // Before this, the DNS server IP was one of the parameters that could
    // not be replaced with "def" - specifying it always required a real
    // (parsable) IPv6 (or synthesized IPv4) address. `def` now selects the
    // server address from the current default config (`dns config`), same
    // as it already did for every other parameter, while the port is still
    // set explicitly.
    leader.InputCli("dns resolve example.com def 53");

    // The request is asynchronous (`OT_ERROR_PENDING`), so no output line
    // is produced yet. If `def` were rejected as an invalid IPv6 address
    // (the bug being fixed here), a synchronous "Error 7: InvalidArgs" line
    // would have appeared immediately instead.
    VerifyOrQuit(leader.GetCliOutputLines().GetLength() == 0);

    // Let the query run its course. There is no real DNS server reachable
    // in this topology, so it times out after exhausting all (3) tx
    // attempts, each waiting the full response timeout (7000 ms) - the
    // point here is only that the request was accepted, dispatched, and
    // ran to completion (rather than being rejected as invalid at parse
    // time, or hanging indefinitely on a malformed server address).
    nexus.AdvanceTime(25 * Time::kOneSecondInMsec);

    for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
    {
        Log("- %s", line.GetLine());
    }

    VerifyOrQuit(leader.GetCliOutputLines().GetLength() == 1);
    VerifyOrQuit(leader.GetCliOutputLines()[0].EndsWith("Error 28: ResponseTimeout"));

    Log("---------------------------------------------------------------------------------------");
    Log("Check behavior with an invalid CLI command");

    leader.InputCli("invalidcommand");
    VerifyOrQuit(!leader.IsCliOutputSuccess());
    VerifyOrQuit(leader.GetCliOutputLines().GetLength() == 1);
    VerifyOrQuit(leader.GetCliOutputLines()[0].StartsWith("Error "));

    for (const Node::CliOutputLine &line : leader.GetCliOutputLines())
    {
        Log("- %s", line.GetLine());
    }
}

} // namespace Nexus
} // namespace ot

int main(void)
{
    ot::Nexus::TestCliBasic();
    printf("All tests passed\n");
    return 0;
}