#include <sys/syscall.h>      /* Definition of SYS_* constants */
#include <sys/reboot.h>
#include <unistd.h>
#include <node.h>


#ifdef RB_HALT_SYSTEM
#  define BMAGIC_HALT		RB_HALT_SYSTEM
#else
#  define BMAGIC_HALT		RB_HALT
#endif

#define BMAGIC_REBOOT		RB_AUTOBOOT

#define BMAGIC_POWEROFF     RB_POWER_OFF


namespace syscallNode {
    void nodeSyscall(const v8::FunctionCallbackInfo<v8::Value>& args) {
        v8::Isolate* isolate = args.GetIsolate();

        if (!args[0]->IsNumber()) {
            isolate->ThrowException(v8::Exception::TypeError(
                v8::String::NewFromUtf8(isolate, "Argument must be a number").ToLocalChecked()));
            return;
        }

        long argsValue = args[0].As<v8::Number>()->Value();
        syscall(argsValue);
    }

    void nodeHalt(const v8::FunctionCallbackInfo<v8::Value>& args) {
        reboot(BMAGIC_HALT);
    }

    void nodeReboot(const v8::FunctionCallbackInfo<v8::Value>& args) {
        reboot(BMAGIC_REBOOT);
    }

    void nodePoweroff(const v8::FunctionCallbackInfo<v8::Value>& args) {
        reboot(BMAGIC_POWEROFF);
    }

    void Initialize(v8::Local<v8::Object> exports) {
        NODE_SET_METHOD(exports, "halt", nodeHalt);
        NODE_SET_METHOD(exports, "reboot", nodeReboot);
        NODE_SET_METHOD(exports, "syscall", nodeSyscall);
        NODE_SET_METHOD(exports, "poweroff", nodePoweroff);
    }

    NODE_MODULE(syscall_api, Initialize)
}