{% extends "base.html" %}

{% block title %}Schedule Calendar - Edu-Space Admin{% endblock %}

{% block content %}
<div class="row mb-4">
    <div class="col-12">
        <h1 class="h3 mb-0">
            <i class="bi bi-calendar3 text-primary"></i> Schedule Calendar
            <small class="text-muted ms-2">View & Manage Reservations</small>
        </h1>
    </div>
</div>

<div class="card border-0 shadow-sm">
    <div class="card-header bg-white border-0">
        <div class="row align-items-center">
            <div class="col-md-6">
                <h5 class="mb-0">
                    <i class="bi bi-calendar-week text-info"></i> Reservations Calendar
                </h5>
            </div>
            <div class="col-md-6 text-end">
                <a href="{{ url_for('schedule.add_reservation') }}" class="btn btn-primary">
                    <i class="bi bi-plus-circle"></i> Add Reservation
                </a>
                <a href="{{ url_for('schedule.list_reservations') }}" class="btn btn-outline-secondary">
                    <i class="bi bi-list"></i> List View
                </a>
            </div>
        </div>
    </div>
    <div class="card-body">
        <!-- Legend -->
        <div class="mb-3">
            <div class="d-flex gap-3 flex-wrap">
                <div class="d-flex align-items-center">
                    <span class="badge bg-success me-2" style="width: 20px; height: 20px;"></span>
                    <small class="text-muted">Confirmed</small>
                </div>
                <div class="d-flex align-items-center">
                    <span class="badge bg-warning me-2" style="width: 20px; height: 20px;"></span>
                    <small class="text-muted">Pending</small>
                </div>
            </div>
        </div>
        
        <!-- Calendar -->
        <div id="calendar"></div>
    </div>
</div>

<!-- Reservation Details Modal -->
<div class="modal fade" id="reservationModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Reservation Details</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body" id="reservationDetails">
                <!-- Content will be loaded dynamically -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_css %}
<link href="https://cdn.jsdelivr.net/npm/fullcalendar@5.11.0/main.min.css" rel="stylesheet">
<style>
    #calendar {
        margin-top: 20px;
    }
    .fc-event {
        cursor: pointer;
        border: none !important;
        padding: 2px 6px !important;
        font-size: 12px !important;
    }
    .fc-event-pending {
        background-color: #ffc107 !important;
    }
    .fc-event-confirmed {
        background-color: #28a745 !important;
    }
    .fc-daygrid-day.fc-day-today {
        background-color: rgba(102, 126, 234, 0.1) !important;
    }
</style>
{% endblock %}

{% block extra_js %}
<script src="https://cdn.jsdelivr.net/npm/fullcalendar@5.11.0/main.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    var calendarEl = document.getElementById('calendar');
    
    var calendar = new FullCalendar.Calendar(calendarEl, {
        initialView: 'timeGridWeek',
        headerToolbar: {
            left: 'prev,next today',
            center: 'title',
            right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
        },
        eventTimeFormat: {
            hour: '2-digit',
            minute: '2-digit',
            hour12: false
        },
        slotMinTime: '07:00:00',
        slotMaxTime: '22:00:00',
        height: 'auto',
        eventClick: function(info) {
            // Prevent default link behavior
            if (info.event.url) {
                // Load reservation details in modal instead of navigation
                loadReservationDetails(info.event.url);
                return false;
            }
        },
        events: '{{ url_for("schedule.calendar_data") }}',
        loading: function(bool) {
            // Show loading indicator if needed
        }
    });
    
    calendar.render();
    
    function loadReservationDetails(url) {
        $.get(url)
            .done(function(data) {
                var html = `
                    <div class="row">
                        <div class="col-md-6">
                            <h6 class="text-muted mb-2">Classroom</h6>
                            <p class="fw-bold">${data.classroom.code} - ${data.classroom.name}</p>
                            <p><i class="bi bi-building text-primary"></i> ${data.classroom.building} - Floor ${data.classroom.floor}</p>
                        </div>
                        <div class="col-md-6">
                            <h6 class="text-muted mb-2">Subject</h6>
                            <p class="fw-bold">${data.commission.subject.code} - ${data.commission.subject.name}</p>
                            <p><i class="bi bi-person text-info"></i> ${data.commission.teacher_name}</p>
                        </div>
                    </div>
                    <div class="row mt-3">
                        <div class="col-md-6">
                            <h6 class="text-muted mb-2">Schedule</h6>
                            <p><i class="bi bi-clock text-warning"></i> ${new Date(data.start_time).toLocaleString()}</p>
                            <p><i class="bi bi-clock text-success"></i> ${new Date(data.end_time).toLocaleString()}</p>
                        </div>
                        <div class="col-md-6">
                            <h6 class="text-muted mb-2">Details</h6>
                            <p><i class="bi bi-people text-primary"></i> ${data.expected_attendees} attendees</p>
                            <p><span class="badge bg-${data.status === 'CONFIRMED' ? 'success' : 'warning'}">${data.status}</span></p>
                        </div>
                    </div>
                    ${data.notes ? `<div class="row mt-3"><div class="col-12"><h6 class="text-muted mb-2">Notes</h6><p>${data.notes}</p></div></div>` : ''}
                `;
                $('#reservationDetails').html(html);
                $('#reservationModal').modal('show');
            })
            .fail(function() {
                $('#reservationDetails').html('<p class="text-danger">Error loading reservation details.</p>');
                $('#reservationModal').modal('show');
            });
    }
});
</script>
{% endblock %}