#include "j6/errors.h"
#include "j6/types.h"

#include "log.h"
#include "objects/endpoint.h"
#include "syscalls/helpers.h"

namespace syscalls {

j6_status_t
endpoint_create(j6_handle_t *handle)
{
	construct_handle<endpoint>(handle);
	return j6_status_ok;
}

j6_status_t
endpoint_send(j6_handle_t handle, j6_tag_t tag, size_t len, void *data)
{
	if (tag & j6_tag_system_flag)
		return j6_err_invalid_arg;

	endpoint *e = get_handle<endpoint>(handle);
	if (!e) return j6_err_invalid_arg;

	return e->send(tag, len, data);
}

j6_status_t
endpoint_receive(j6_handle_t handle, j6_tag_t *tag, size_t *len, void *data)
{
	if (!tag || !len || (*len && !data))
		return j6_err_invalid_arg;

	endpoint *e = get_handle<endpoint>(handle);
	if (!e) return j6_err_invalid_arg;

	j6_tag_t out_tag = j6_tag_invalid;
	size_t out_len = 0;
	j6_status_t s = e->receive(&out_tag, &out_len, data);
	*tag = out_tag;
	*len = out_len;
	return s;
}

j6_status_t
endpoint_sendrecv(j6_handle_t handle, j6_tag_t *tag, size_t *len, void *data)
{
	if (!tag || (*tag & j6_tag_system_flag))
		return j6_err_invalid_arg;

	endpoint *e = get_handle<endpoint>(handle);
	if (!e) return j6_err_invalid_arg;

	j6_status_t status = e->send(*tag, *len, data);
	if (status != j6_status_ok)
		return status;

	j6_tag_t out_tag = j6_tag_invalid;
	size_t out_len = 0;
	j6_status_t s = e->receive(&out_tag, &out_len, data);
	*tag = out_tag;
	*len = out_len;
	return s;
}

} // namespace syscalls