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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Phone Verification</title>
</head>
<body>
    <input type="file" id="fileInput" accept=".txt">
    <button id="verifyButton">Verify Phones</button>
    <a id="downloadLink" style="display: none;">Download Verified Phones</a>

    <script>
        document.getElementById('verifyButton').addEventListener('click', function() {
            const fileInput = document.getElementById('fileInput');
            const file = fileInput.files[0];
            if (!file) {
                alert('Please select a file.');
                return;
            }

            const reader = new FileReader();
            reader.onload = function(event) {
                const text = event.target.result;
                const phones = text.split('\n').map(phone => phone.trim()).filter(phone => phone);
                verifyPhones(phones, 1000); // 1000 миллисекунд (1 секунда) задержка
            };
            reader.readAsText(file);
        });

        async function verifyPhones(phones, delay) {
            const verifiedPhones = [];
            for (let i = 0; i < phones.length; i++) {
                const phone = phones[i];
                try {
                    const response = await fetch('https://api.green-api.com/waInstance1101952913/checkWhatsapp/fb4986a9d9cb40ef9be6c7b08cb9c98b7a3b1dc8c6834b0b92', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/json'
                        },
                        body: JSON.stringify({ phoneNumber: phone })
                    });
                    const data = await response.json();
                    if (data.existsWhatsapp) {
                        console.log(`Phone ${phone} exists in WhatsApp.`);
                        verifiedPhones.push(phone);
                    } else {
                        console.log(`Phone ${phone} does not exist in WhatsApp.`);
                    }
                } catch (error) {
                    console.error(`Error verifying phone ${phone}:`, error);
                }

                if (i < phones.length - 1) {
                    await new Promise(resolve => setTimeout(resolve, delay));
                }
            }

            const verifiedText = verifiedPhones.join('\n');
            const blob = new Blob([verifiedText], { type: 'text/plain' });
            const url = URL.createObjectURL(blob);
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = url;
            downloadLink.download = 'verified_phones.txt';
            downloadLink.style.display = 'block';
        }
    </script>
</body>
</html>