#include "./ngc_ext_common.hpp"

//#include <cstdint>
//#include <cassert>
#include <new>
//#include <map>
//#include <list>
//#include <set>
//#include <optional>
//#include <algorithm>

NGC_EXT_CTX* NGC_EXT_new(void) {
	auto* ctx = new NGC_EXT_CTX;
	// TODO: this is likely not necessary
	for (auto& it : ctx->callbacks) {
		it = nullptr;
	}
	return ctx;
}

void NGC_EXT_kill(NGC_EXT_CTX* ngc_ext_ctx) {
	delete ngc_ext_ctx;
}

//static void _handle_HS1_REQUEST_LAST_IDS(
	//Tox* tox,
	//NGC_HS1* ngc_hs1_ctx,

	//uint32_t group_number,
	//uint32_t peer_number,

	//const uint8_t *data,
	//size_t length
//);

#define _EXT_HAVE(x, error) if ((length - curser) < (x)) { error; }
void NGC_EXT_handle_group_custom_packet(
	Tox* tox,
	NGC_EXT_CTX* ngc_ext_ctx,

	uint32_t group_number,
	uint32_t peer_number,

	const uint8_t *data,
	size_t length
	//void *user_data
) {
	size_t curser = 0;

	_EXT_HAVE(1, return)

	_PacketType pkg_type = static_cast<_PacketType>(*(data + curser));
	curser++;

	fprintf(stderr, "custom_packet [%s] %lu\n", _pkgid2str(pkg_type), length);

	if (pkg_type == INVALID) {
		fprintf(stderr, "(invalid)\n");
		return;
	}

	auto handle_fn = ngc_ext_ctx->callbacks[pkg_type];
	if (handle_fn == nullptr) {
		fprintf(stderr, "!!! no handler for packet\n");
		return;
	}

	handle_fn(tox, ngc_ext_ctx, group_number, peer_number, data+curser, length-curser);
}
#undef _EXT_HAVE