{% extends "base.html" %}

{% block title %}{{ 'confirm_changes'|t }} - {{ session.name }}{% endblock %}

{% block content %}
<style>
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal-header {
    margin-bottom: 20px;
}
.modal-header h2 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}
.modal-header p {
    margin: 0;
    color: #666;
}
.changes-list {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}
.change-item {
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}
.change-item:last-child {
    border-bottom: none;
}
.change-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 5px;
}
.change-values {
    display: flex;
    gap: 10px;
    align-items: center;
}
.old-value {
    color: #dc3545;
    text-decoration: line-through;
    opacity: 0.7;
}
.arrow {
    color: #666;
}
.new-value {
    color: #28a745;
    font-weight: 500;
}
.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}
</style>

<div class="modal-overlay">
    <div class="modal-content">
        <div class="modal-header">
            <h2>{{ 'session_updated'|t }}</h2>
            <p>{{ 'changes_made_to'|t }} "{{ session.name }}":</p>
        </div>

        <div class="changes-list">
            {% for field, old_val, new_val in changes %}
            <div class="change-item">
                <div class="change-label">{{ field }}</div>
                <div class="change-values">
                    <span class="old-value">{{ old_val or '(' + 'empty' + ')' }}</span>
                    <span class="arrow">→</span>
                    <span class="new-value">{{ new_val or '(' + 'empty' + ')' }}</span>
                </div>
            </div>
            {% endfor %}
        </div>

        <form method="POST" action="{{ url_for('notify_breakout_session_attendees', session_id=session.id) }}" id="notify-form">
            <input type="hidden" name="changes_text" id="changes-text">
        </form>

        <div class="modal-actions">
            <button type="button" class="btn btn-outline" onclick="skipNotify()">{{ 'skip'|t }}</button>
            <button type="button" class="btn btn-primary" onclick="notifyAttendees()">{{ 'notify_attendees_email'|t }}</button>
        </div>
    </div>
</div>

<script>
function notifyAttendees() {
    const changesText = `{% for field, old_val, new_val in changes %}{{ field }}: {{ old_val }} → {{ new_val }}
{% endfor %}`.trim();

    document.getElementById('changes-text').value = changesText;
    document.getElementById('notify-form').submit();
}

function skipNotify() {
    window.location.href = "{{ url_for('view_breakout_session', code=session.code) }}";
}
</script>
{% endblock %}