{% extends "global/Page.html" %}

{{ block title }}
    Waiting for Other Participants
{{ endblock }}

{{ block content }}
<style>
    .wait-container {
        max-width: 600px;
        margin: 0 auto;
        text-align: center;
        padding: 40px 20px;
    }
    
    .wait-card {
        background: #ffffff;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        padding: 40px;
        margin-bottom: 30px;
    }
    
    .wait-icon {
        font-size: 48px;
        margin-bottom: 20px;
    }
    
    .wait-title {
        font-size: 24px;
        font-weight: 600;
        color: #1f2937;
        margin-bottom: 16px;
    }
    
    .wait-description {
        font-size: 16px;
        color: #6b7280;
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .spinner {
        display: inline-block;
        width: 24px;
        height: 24px;
        border: 3px solid #e5e7eb;
        border-top-color: #667eea;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-right: 12px;
    }
    
    @keyframes spin {
        to { transform: rotate(360deg); }
    }
    
    .status-message {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: #6b7280;
        margin-top: 16px;
    }
    
    .ready-message {
        background: #d1fae5;
        border: 2px solid #10b981;
        border-radius: 8px;
        padding: 20px;
        color: #065f46;
        font-weight: 600;
        font-size: 16px;
        margin-top: 20px;
    }
    
    .ready-message .checkmark {
        font-size: 24px;
        margin-right: 10px;
    }
    
    #continueBtn {
        margin-top: 24px;
        padding: 14px 32px;
        font-size: 16px;
        font-weight: 600;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    
    #continueBtn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }
</style>

<div class="wait-container">
    <div class="wait-card">
        <div class="wait-icon">👥</div>
        <h1 class="wait-title">Waiting for Participants</h1>
        <p class="wait-description">
            Please wait while other participants complete their intake. 
            The study begins once everyone is ready.
        </p>
        
        <div class="status-message" id="statusMessage">
            <span class="spinner"></span>
            <span>Waiting for other participants to join...</span>
        </div>
        
        <div class="ready-message" id="readyMessage" style="display: none;">
            <span class="checkmark">✓</span>
            <span id="readyText">All participants are ready!</span>
        </div>
        
        <button type="submit" id="continueBtn" class="otree-btn-next" style="display: none;">Continue to Study</button>
    </div>
</div>

{{ formfields }}

<script>
    let pollingInterval;
    
    function updateUI(data) {
        const canProceed = data.can_proceed;
        const allCompleted = data.all_completed;
        
        // Check if we can proceed
        if (canProceed) {
            clearInterval(pollingInterval);
            
            document.getElementById('statusMessage').style.display = 'none';
            document.getElementById('readyMessage').style.display = 'block';
            document.getElementById('continueBtn').style.display = 'inline-block';
            
            if (allCompleted) {
                document.getElementById('readyText').textContent = 'All participants are ready!';
            } else {
                document.getElementById('readyText').textContent = 'Ready to proceed!';
            }
        }
    }
    
    function checkStatus() {
        liveSend({'type': 'check_status'});
    }
    
    function liveRecv(data) {
        if (data.type === 'status_update') {
            updateUI(data);
        }
    }
    
    // Start polling
    document.addEventListener('DOMContentLoaded', function() {
        // Initial check
        checkStatus();
        
        // Poll every 2 seconds
        pollingInterval = setInterval(checkStatus, 2000);
    });
</script>
{{ endblock }}