<?php

$_POST['email'] = "[email protected]";

$appAPIKey = "-------------------";

//1 step ("welcome")

$curlSMTPTamplates = curl_init();
curl_setopt_array($curlSMTPTamplates, [
    CURLOPT_URL => "https://api.sendinblue.com/v3/smtp/templates?limit=1000&offset=0&sort=desc",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET",
    CURLOPT_HTTPHEADER => [
        "Accept: application/json",
        "Content-Type: application/json",
        "api-key: ".$appAPIKey
    ],
]);

$responseSMTPTamplates = json_decode(curl_exec($curlSMTPTamplates));
$errSMTPTamplates = curl_error($curlSMTPTamplates);
curl_close($curlSMTPTamplates);


$trueNumbers = [];
foreach($responseSMTPTamplates->templates as $val){
    if(stripos($val->name, "welcome") !== false){
        $trueNumbers[] = $val->id;
    }
}

//2 step ("find contact")

$curlContactsIdentifier = curl_init();
curl_setopt_array($curlContactsIdentifier, [
    CURLOPT_URL => "https://api.sendinblue.com/v3/contacts/".urlencode($_POST['email']),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET",
    CURLOPT_HTTPHEADER => [
        "Accept: application/json",
        "Content-Type: application/json",
        "api-key: ".$appAPIKey
    ],
]);

$responseContactsIdentifier = json_decode(curl_exec($curlContactsIdentifier));
$httpCode = curl_getinfo($curlContactsIdentifier, CURLINFO_HTTP_CODE);
$errContactsIdentifier = curl_error($curlContactsIdentifier);
curl_close($curlContactsIdentifier);

if($httpCode == 404){
    echo "Это полностью новый контакт!";

}else{
    $emailsArray = [];

    foreach($trueNumbers as $key => $val){
        $curlSMTPEmails = curl_init();
        curl_setopt_array($curlSMTPEmails, [
            CURLOPT_URL => "https://api.sendinblue.com/v3/smtp/emails?email=".$_POST['email']."&templateId=".$val."&sort=desc&limit=1000&offset=0",
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_ENCODING => "",
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 30,
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
            CURLOPT_CUSTOMREQUEST => "GET",
            CURLOPT_HTTPHEADER => [
                "Accept: application/json",
                "Content-Type: application/json",
                "api-key: ".$appAPIKey
            ],
        ]);

        $responseSMTPEmailsJSON = curl_exec($curlSMTPEmails);
        $responseSMTPEmails = json_decode($responseSMTPEmailsJSON);
        if(empty($responseSMTPEmails->transactionalEmails)){

        }else{
            foreach($responseSMTPEmails->transactionalEmails as $key => $val){
                $emailsArray[] = $val;
            }
        }
        $errSMTPEmails = curl_error($curlSMTPEmails);
        curl_close($curlSMTPEmails);
    }

    function cmp($a, $b){
        if($a->date == $b->date) return 0;
        return $a->date < $b->date ? 1 : -1;
    }
    usort($emailsArray, "cmp");
    $emailsArray = json_decode(json_encode($emailsArray), true);

    $daysInSec = strtotime($emailsArray[0]["date"])+15*86400;
    $daysInSecDeff = time()-$daysInSec;
    $daysDeff = $daysInSecDeff/86400;

    if($daysDeff >= 15){
        echo "Прошло больше 15-ти дней, контакт будет удален и создан заново";
    }else{
        echo strtotime($emailsArray[0]["date"]);
        echo " Прошло меньше 15-ти дней, скрипт закончил свою работу";
        exit;
    }
}
?>