/*
 * vccli — headless test client.
 *
 * This is the primary way the protocol is exercised and verified from M1 onward (see
 * AGENTS.md). Each milestone's exit criterion is demonstrated by driving two vccli
 * instances against a real voicecat-server. Today it just shows the C ABI is linkable.
 */
#include <cstdio>

#include "voicecat.h"

namespace {

void on_event(void* /*user*/, const vc_event* ev) {
    std::printf("[event] type=%d state=%d result=%d text=%s\n", ev->type, ev->connection_state,
                ev->result, ev->text ? ev->text : "");
}

}  // namespace

int main(int argc, char** argv) {
    std::printf("vccli — VoiceCat test client (core %s, protocol v%d)\n", vc_version_string(),
                VOICECAT_PROTOCOL_VERSION);

    vc_config cfg{};
    cfg.client_name = "vccli";
    cfg.client_version = vc_version_string();
    cfg.log_level = VC_LOG_INFO;

    vc_callbacks cb{};
    cb.on_event = on_event;

    vc_client* c = vc_client_create(&cfg, cb);
    if (c == nullptr) {
        std::fprintf(stderr, "failed to create client\n");
        return 1;
    }

    // M0: demonstrate the call surface. These return VC_ERR_NOT_IMPLEMENTED for now.
    const char* host = (argc > 1) ? argv[1] : "127.0.0.1";
    vc_result r = vc_connect(c, host, 8384);
    std::printf("vc_connect(%s:8384) -> %d (%s)\n", host, r, vc_result_string(r));

    vc_client_destroy(c);
    std::printf("ok\n");
    return 0;
}