//
// Created by xemon on 09.09.22.
//
#include <SystemDelayInterface.h>
#include "AtGsmListCurrentCalls.h"
#include "AtCmdCommonProtected.h"
#include "AsciiStringParsingUtils.h"

AtCommandResult AtGsmListOfCurrentCalls(tAtCmd *env, tGsmCurrentCallsTable *currentCallsTable) {

    currentCallsTable->count = 0;

    AtCmdPrepare(env);
    AtCmdSendStatic(env, "AT+CLCC\r\n");


    uint32_t timeout = 5000;
    uint32_t endMs = SystemGetMs() + timeout;
    uint32_t leftMs = timeout;

    while ((AtCmdReceiveNextLine(env, leftMs) == AT_OK) && (SystemGetMs() < endMs)) {
        leftMs = endMs - SystemGetMs();

        if (AtCmdRxBeginWithStatic(env, "AT+CLCC")) {
            AtCmdRxClear(env);
            continue;

        } else if (AtCmdRxBeginWithStatic(env, "OK")) {
            return AT_OK;

        } else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
            return AT_ERROR;

        } else if (AtCmdRxBeginWithStatic(env, "+CLCC:")) {

            tGsmCurrentCall *next_call = &currentCallsTable->calls[currentCallsTable->count];

            char *front;
            char *div = env->rxBuffer.data + sizeof("+CLCC:");
            char *end = div + env->rxBuffer.len;

            if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
                next_call->idx = iAsciiStringParseUnsignedLongDecimalNumber(front, div);
            }

            if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
                next_call->direction = iAsciiStringParseUnsignedLongDecimalNumber(front, div);
            }

            if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
                next_call->state = iAsciiStringParseUnsignedLongDecimalNumber(front, div);
            }

            if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
                next_call->mode = iAsciiStringParseUnsignedLongDecimalNumber(front, div);
            }

            if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
                next_call->multiparty = iAsciiStringParseUnsignedLongDecimalNumber(front, div);
            }

            ++currentCallsTable->count;
            AtCmdRxClear(env);
        } else {
            AtCmdRxClear(env);
            continue;
        }
    }

    return AT_ERROR;
}