//
// Created by cfif on 25.01.23.
//
#include "AtGsmA76xx.h"
#include "stdlib.h"
#include "memory.h"

// начало-------------------------- Служебные ----------------------------------------------------------------------
// начало-------------------------- Служебные ----------------------------------------------------------------------
// начало-------------------------- Служебные ----------------------------------------------------------------------

// IMEI
AtCommandResult AtGsm_Simcom_A76xx_GET_CGSN(tAtCmd *env, char *acpString, size_t *acpStringLen) {
    AtCmdPrepare(env);

    AtCmdTxClear(env);
    AtCmdTxAddStatic(env, "AT+CGSN");
    AtCmdTxSendLn(env);


    uint32_t timeout = env->stdRxTimeout;
    uint32_t endMs = SystemGetMs() + timeout;
    uint32_t leftMs = timeout;

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

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

        } else if (AtCmdRxBeginWithStatic(env, "AT+CGSN")) {
            while (AtCmdReceiveNextLine(env, 1000) == AT_OK) {
                *acpStringLen = env->rxBuffer.len - 2;
                memcpy(acpString, env->rxBuffer.data, *acpStringLen);
                AtCmdRxClear(env);
                return AtCmdOkErrAnswer(env, env->stdRxTimeout);
            }
        } else {
            AtCmdProcessUnresolvedLine(env);
            AtCmdRxClear(env);
            continue;
        }
    }

    return AT_TIMEOUT;
}

AtCommandResult AtGsm_Simcom_A76xx_CCID(tAtCmd *env, char *ssidStr, size_t *ssidStrLen) {
    AtCmdPrepare(env);
    AtCmdTxClear(env);
    AtCmdSendStatic(env, "AT+CICCID\r\n");

    uint32_t endMs = SystemGetMs() + 5000;
    while (endMs > SystemGetMs()) {
        if (AtCmdReceiveNextLine(env, 1000) == AT_OK) {
            if (AtCmdRxBeginWithStatic(env, "+ICCID: ")) {
                static const uint16_t prefixSize = sizeof("+ICCID: ") - 1;
                *ssidStrLen = env->rxBuffer.len - (prefixSize + 2);
                memcpy(ssidStr, env->rxBuffer.data + prefixSize, *ssidStrLen);
                return AT_OK;
            }

            if (AtCmdRxBeginWithStatic(env, "ERROR")) {
                return AT_ERROR;
            }
            if (AtCmdRxBeginWithStatic(env, "+CME ERROR: SIM busy")) {
                AtCmdPrepare(env);
                AtCmdRxClear(env);
                continue;
            }

            AtCmdProcessUnresolvedLine(env);
        }
    }

    return AT_TIMEOUT;
}


// конец-------------------------- Служебные ----------------------------------------------------------------------
// конец-------------------------- Служебные ----------------------------------------------------------------------
// конец-------------------------- Служебные ----------------------------------------------------------------------