/*
 * CraftLabs 授权 SDK — 核心 C API 实现（含桩逻辑与各适配器注册）。
 *
 * 版权所有 © 广州创飞人工智能技术有限公司
 * 开发者：huangping@craftlabs.cn
 */
#include "craftlabs_auth.h"

#include <cstdlib>
#include <cstring>

#include "bitanswer/bitanswer_adapter.h"
#include "selfhosted/selfhosted_adapter.h"

namespace {

/** 不透明句柄对应的内部状态；后续可扩展为供应商特定字段。 */
struct AuthContext {
    int dummy;
};

static const AuthResult k_ok = {1, "stub"};
static const AuthResult k_fail = {0, "stub failure"};

AuthContext* as_ctx(AuthHandle h) {
    return reinterpret_cast<AuthContext*>(h);
}

void ensure_adapters_registered_once() {
    static bool once = false;
    if (!once) {
        bitanswer_adapter_register();
        selfhosted_adapter_register();
        once = true;
    }
}

}  // namespace

extern "C" {

CRAFTLABS_API AuthHandle craft_initialize(const char* /* config_json */) {
    ensure_adapters_registered_once();
    auto* ctx = new AuthContext{};
    ctx->dummy = 1;
    return reinterpret_cast<AuthHandle>(ctx);
}

CRAFTLABS_API AuthResult craft_activate(AuthHandle handle, const char* /* license_key */) {
    if (!handle) {
        return k_fail;
    }
    (void)as_ctx(handle);
    return k_ok;
}

CRAFTLABS_API AuthResult craft_check_license(AuthHandle handle) {
    if (!handle) {
        return k_fail;
    }
    return k_ok;
}

CRAFTLABS_API LicenseInfo* craft_get_license_info(AuthHandle handle) {
    if (!handle) {
        return nullptr;
    }
    auto* info = static_cast<LicenseInfo*>(std::malloc(sizeof(LicenseInfo)));
    if (!info) {
        return nullptr;
    }
    info->is_licensed = 1;
    info->expiration_date = 0;
    info->feature_names = nullptr;
    info->feature_values = nullptr;
    info->feature_count = 0;
    return info;
}

CRAFTLABS_API void craft_free_license_info(LicenseInfo* info) {
    std::free(info);
}

CRAFTLABS_API int32_t craft_has_feature(AuthHandle handle, const char* /* feature_name */) {
    if (!handle) {
        return 0;
    }
    return 1;
}

CRAFTLABS_API AuthResult craft_release(AuthHandle handle) {
    if (!handle) {
        return k_fail;
    }
    return k_ok;
}

CRAFTLABS_API AuthResult craft_heartbeat(AuthHandle handle) {
    if (!handle) {
        return k_fail;
    }
    return k_ok;
}

CRAFTLABS_API void craft_destroy(AuthHandle handle) {
    if (!handle) {
        return;
    }
    delete as_ctx(handle);
}

}