<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Send Messages</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color: #f0f0f0;
            margin: 0;
            padding: 0;
        }
        h1 {
            background-color: #4CAF50;
            color: white;
            padding: 20px;
            margin: 0;
            border-bottom: 2px solid #388E3C;
        }
        .input-row {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }
        .input-row input, .input-row textarea {
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        #messageInput {
            width: 80%;
            margin-top: 20px;
            min-height: 100px;
        }
        #progressBarContainer {
            width: 80%;
            margin: 20px auto;
        }
        #progressBar {
            width: 100%;
            background-color: #ddd;
        }
        #progress {
            width: 0%;
            height: 30px;
            background-color: #4CAF50;
            text-align: center;
            line-height: 30px;
            color: white;
        }
        #sendButton {
            color: white;
            background-color: #4CAF50;
            border: none;
            cursor: pointer;
            padding: 10px 20px;
            font-size: 16px;
            border-radius: 5px;
            margin-top: 20px;
        }
        #sendButton:hover {
            background-color: #388E3C;
        }
    </style>
</head>
<body>
    <h1>Отправка сообщения (текст)</h1>
    <div class="input-row">
        <input type="text" id="apiKeyInput" placeholder="Введите API ключ">
        <input type="number" id="minDelayInput" placeholder="Min Delay (ms)" value="500">
        <input type="number" id="maxDelayInput" placeholder="Max Delay (ms)" value="1000">
        <label>
            Показывать превью:
            <input type="checkbox" id="linkPreviewCheckbox" checked>
        </label>
    </div>
    <textarea id="messageInput" placeholder="Введите текст сообщения, превью ссылки отображается в зависимости от настроек."></textarea>
    <div id="progressBarContainer">
        <div id="progressBar">
            <div id="progress">0%</div>
        </div>
    </div>
    <input type="file" id="fileInput" accept=".txt">
    <button id="sendButton">Запустить рассылку</button>

    <script>
        document.getElementById('sendButton').addEventListener('click', function() {
            const apiKey = document.getElementById('apiKeyInput').value;
            const message = document.getElementById('messageInput').value;
            const minDelay = parseInt(document.getElementById('minDelayInput').value) || 500;
            const maxDelay = parseInt(document.getElementById('maxDelayInput').value) || 10000;
            const linkPreview = document.getElementById('linkPreviewCheckbox').checked;

            if (!apiKey) {
                alert('Please enter your API key.');
                return;
            }
            if (!message) {
                alert('Please enter a message.');
                return;
            }
            if (minDelay >= maxDelay) {
                alert('Min delay must be less than max delay.');
                return;
            }

            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);

                sendMessages(phones, apiKey, message, minDelay, maxDelay, linkPreview);
            };

            reader.readAsText(file);
        });

        async function sendMessages(phones, apiKey, message, minDelay, maxDelay, linkPreview) {
            const totalPhones = phones.length;
            const progressBar = document.getElementById('progress');

            for (let i = 0; i < totalPhones; i++) {
                const phone = phones[i];

                try {
                    const response = await fetch(`https://api.green-api.com/waInstance1101952913/sendMessage/${apiKey}`, {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/json'
                        },
                        body: JSON.stringify({
                            chatId: `${phone}@c.us`,
                            message: message,
                            linkPreview: linkPreview
                        })
                    });

                    if (!response.ok) {
                        throw new Error(`HTTP error! status: ${response.status}`);
                    }

                    const data = await response.json();
                    console.log(`Message sent to ${phone}:`, data);

                } catch (error) {
                    console.error(`Error sending message to ${phone}:`, error);
                }

                const progress = ((i + 1) / totalPhones) * 100;
                progressBar.style.width = `${progress}%`;
                progressBar.textContent = `${progress.toFixed(2)}%`;

                if (i < totalPhones - 1) {
                    const randomDelay = Math.floor(Math.random() * (maxDelay - minDelay + 1)) + minDelay;
                    await new Promise(resolve => setTimeout(resolve, randomDelay));
                }
            }
        }
    </script>
</body>
</html>