#pragma once
#include "packet.h"
#include "cwpack/cwpack.h"

inline void pkt_pack_msg(cw_pack_context *pc, uint32_t args) {
    cw_pack_context_init(pc, pkt_buffer, PKT_BUFSIZ, 0);
    cw_pack_array_size(pc, args);
}

inline int32_t pkt_unpack_msg(cw_unpack_context *uc, pkt_header *header, uint32_t args) {
    cw_unpack_context_init(uc, header->data, header->datalen, 0);
    
    cw_unpack_next(uc);
    if (uc->item.type != CWP_ITEM_ARRAY || uc->item.as.array.size != args) {
        return -1;//todo: error
    }
    
    return 0;
}

inline int32_t pkt_unpack_msg_raw(cw_unpack_context *uc, uint8_t *data, uint32_t datalen, uint32_t args) {
    pkt_header header = {.data = data, .datalen = datalen};
    return pkt_unpack_msg(uc, &header, args);
}

inline int32_t pkt_validate_eof_msg(cw_unpack_context *uc) {
    if (uc->return_code != CWP_RC_OK) return -1; // unpacking failed somwwhere
    cw_unpack_next(uc);
    if (uc->return_code != CWP_RC_END_OF_INPUT) return -1; // not finished yet but should be?
    return 0;
}