{% extends "base.html" %}

{% block title %}Kalender - Mercedes-Benz MYP Platform{% endblock %}

{% block head %}
{{ super() }}
<meta name="csrf-token" content="{{ csrf_token() }}">
<!-- FullCalendar CSS -->
<link href="{{ url_for('static', filename='js/fullcalendar/main.min.css') }}" rel="stylesheet">
{% endblock %}

{% block content %}
<div class="min-h-screen bg-gradient-to-br from-slate-50 via-blue-50 to-indigo-50 dark:from-slate-900 dark:via-slate-800 dark:to-slate-900">
    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
        
        <!-- Header -->
        <div class="mb-8 flex flex-col sm:flex-row sm:items-center sm:justify-between">
            <div>
                <h1 class="text-3xl font-bold text-slate-900 dark:text-white">Druckjob-Kalender</h1>
                <p class="text-slate-600 dark:text-slate-400 mt-2">Übersicht aller geplanten und laufenden 3D-Druckjobs</p>
            </div>
            {% if can_edit %}
            <div class="mt-4 sm:mt-0">
                <button onclick="openCreateEventModal()" 
                        class="px-4 py-2 bg-gradient-to-r from-blue-500 to-blue-600 text-white rounded-xl hover:from-blue-600 hover:to-blue-700 transition-all duration-300 shadow-lg">
                    <svg class="w-5 h-5 inline mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6"></path>
                    </svg>
                    Neuen Job erstellen
                </button>
            </div>
            {% endif %}
        </div>

        <!-- Filter -->
        <div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-4 mb-6">
            <div class="flex flex-wrap items-center gap-4">
                <div>
                    <label for="printerFilter" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        Drucker filtern:
                    </label>
                    <select id="printerFilter" 
                            class="px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white">
                        <option value="">Alle Drucker</option>
                        {% for printer in printers %}
                        <option value="{{ printer.id }}">{{ printer.name }} {% if printer.location %}({{ printer.location }}){% endif %}</option>
                        {% endfor %}
                    </select>
                </div>
                <div class="flex items-center gap-2">
                    <button onclick="refreshCalendar()" 
                            class="px-3 py-2 bg-slate-200 dark:bg-slate-700 text-slate-700 dark:text-slate-300 rounded-lg hover:bg-slate-300 dark:hover:bg-slate-600 transition-all duration-300">
                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"></path>
                        </svg>
                    </button>
                </div>
            </div>
        </div>

        <!-- Kalender -->
        <div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6">
            <div id="calendar"></div>
        </div>

        <!-- Legende -->
        <div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-4 mt-6">
            <h3 class="text-sm font-medium text-slate-700 dark:text-slate-300 mb-3">Legende</h3>
            <div class="flex flex-wrap gap-4">
                <div class="flex items-center">
                    <div class="w-4 h-4 bg-green-500 rounded mr-2"></div>
                    <span class="text-sm text-slate-600 dark:text-slate-400">Geplant / Abgeschlossen</span>
                </div>
                <div class="flex items-center">
                    <div class="w-4 h-4 bg-blue-500 rounded mr-2"></div>
                    <span class="text-sm text-slate-600 dark:text-slate-400">Läuft</span>
                </div>
                <div class="flex items-center">
                    <div class="w-4 h-4 bg-gray-500 rounded mr-2"></div>
                    <span class="text-sm text-slate-600 dark:text-slate-400">Wartend</span>
                </div>
                <div class="flex items-center">
                    <div class="w-4 h-4 bg-red-500 rounded mr-2"></div>
                    <span class="text-sm text-slate-600 dark:text-slate-400">Abgebrochen</span>
                </div>
            </div>
        </div>
    </div>
</div>

{% if can_edit %}
<!-- Event erstellen/bearbeiten Modal -->
<div id="eventModal" class="fixed inset-0 bg-black bg-opacity-50 hidden z-50">
    <div class="flex items-center justify-center min-h-screen p-4">
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-xl max-w-md w-full p-6">
            <div class="flex justify-between items-center mb-4">
                <h3 id="modalTitle" class="text-lg font-medium text-slate-900 dark:text-white">Neuen Job erstellen</h3>
                <button onclick="closeEventModal()" class="text-slate-400 hover:text-slate-600 dark:hover:text-slate-300">
                    <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
                    </svg>
                </button>
            </div>
            
            <form id="eventForm" class="space-y-4">
                <input type="hidden" id="eventId" name="eventId">
                
                <!-- Titel -->
                <div>
                    <label for="eventTitle" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        Job-Titel
                    </label>
                    <input type="text" id="eventTitle" name="title" required
                           class="w-full px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white">
                </div>
                
                <!-- Beschreibung -->
                <div>
                    <label for="eventDescription" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        Beschreibung (optional)
                    </label>
                    <textarea id="eventDescription" name="description" rows="2"
                              class="w-full px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white resize-none"></textarea>
                </div>
                
                <!-- Drucker -->
                <div>
                    <label for="eventPrinter" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        Drucker
                    </label>
                    <select id="eventPrinter" name="printerId" required
                            class="w-full px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white">
                        <option value="">Drucker auswählen</option>
                        {% for printer in printers %}
                        <option value="{{ printer.id }}">{{ printer.name }} {% if printer.location %}({{ printer.location }}){% endif %}</option>
                        {% endfor %}
                    </select>
                </div>
                
                <!-- Start-Zeit -->
                <div>
                    <label for="eventStart" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        Start-Zeit
                    </label>
                    <input type="datetime-local" id="eventStart" name="start" required
                           class="w-full px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white">
                </div>
                
                <!-- End-Zeit -->
                <div>
                    <label for="eventEnd" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
                        End-Zeit
                    </label>
                    <input type="datetime-local" id="eventEnd" name="end" required
                           class="w-full px-3 py-2 border border-slate-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-slate-700 dark:text-white">
                </div>
                
                <!-- Buttons -->
                <div class="flex items-center justify-end space-x-3 pt-4">
                    <button type="button" onclick="closeEventModal()" 
                            class="px-4 py-2 border border-slate-300 dark:border-slate-600 text-slate-700 dark:text-slate-300 rounded-lg hover:bg-slate-50 dark:hover:bg-slate-700 transition-all duration-300">
                        Abbrechen
                    </button>
                    <button type="submit" 
                            class="px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-all duration-300">
                        Speichern
                    </button>
                    <button type="button" id="deleteEventBtn" onclick="deleteEvent()" style="display: none;"
                            class="px-4 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600 transition-all duration-300">
                        Löschen
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endif %}

<!-- FullCalendar JS -->
<script src="{{ url_for('static', filename='js/fullcalendar/main.min.js') }}"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    const calendarEl = document.getElementById('calendar');
    const printerFilter = document.getElementById('printerFilter');
    const canEdit = {% if can_edit %}true{% else %}false{% endif %};
    
    let calendar = new FullCalendar.Calendar(calendarEl, {
        initialView: 'timeGridWeek',
        locale: 'de',
        headerToolbar: {
            left: 'prev,next today',
            center: 'title',
            right: 'dayGridMonth,timeGridWeek,timeGridDay'
        },
        height: 'auto',
        slotMinTime: '06:00:00',
        slotMaxTime: '22:00:00',
        businessHours: {
            daysOfWeek: [1, 2, 3, 4, 5], // Montag bis Freitag
            startTime: '08:00',
            endTime: '18:00'
        },
        events: function(info, successCallback, failureCallback) {
            loadEvents(info.startStr, info.endStr, successCallback, failureCallback);
        },
        eventClick: function(info) {
            if (canEdit) {
                editEvent(info.event);
            } else {
                showEventDetails(info.event);
            }
        },
        selectable: canEdit,
        select: function(info) {
            if (canEdit) {
                openCreateEventModal(info.startStr, info.endStr);
            }
        },
        eventDidMount: function(info) {
            // Tooltip hinzufügen
            info.el.title = info.event.title + '\nDrucker: ' + info.event.extendedProps.printerName + '\nStatus: ' + info.event.extendedProps.status;
        }
    });
    
    calendar.render();
    
    // Filter-Event
    printerFilter.addEventListener('change', function() {
        calendar.refetchEvents();
    });
    
    // Globale Funktionen definieren
    window.refreshCalendar = function() {
        calendar.refetchEvents();
    };
    
    window.openCreateEventModal = function(start, end) {
        start = start || null;
        end = end || null;
        
        document.getElementById('modalTitle').textContent = 'Neuen Job erstellen';
        document.getElementById('eventForm').reset();
        document.getElementById('eventId').value = '';
        document.getElementById('deleteEventBtn').style.display = 'none';
        
        if (start) {
            document.getElementById('eventStart').value = start.slice(0, 16);
        }
        if (end) {
            document.getElementById('eventEnd').value = end.slice(0, 16);
        }
        
        document.getElementById('eventModal').classList.remove('hidden');
    };
    
    window.closeEventModal = function() {
        document.getElementById('eventModal').classList.add('hidden');
    };
    
    window.editEvent = function(event) {
        document.getElementById('modalTitle').textContent = 'Job bearbeiten';
        document.getElementById('eventId').value = event.id;
        document.getElementById('eventTitle').value = event.title;
        document.getElementById('eventDescription').value = event.extendedProps.description || '';
        document.getElementById('eventPrinter').value = event.extendedProps.printerId;
        document.getElementById('eventStart').value = event.startStr.slice(0, 16);
        document.getElementById('eventEnd').value = event.endStr ? event.endStr.slice(0, 16) : '';
        document.getElementById('deleteEventBtn').style.display = 'block';
        
        document.getElementById('eventModal').classList.remove('hidden');
    };
    
    window.showEventDetails = function(event) {
        const status = event.extendedProps.status;
        const statusText = status === 'scheduled' ? 'Geplant' : 
                          status === 'running' ? 'Läuft' : 
                          status === 'finished' ? 'Abgeschlossen' : status;
        
        alert('Job: ' + event.title + '\nDrucker: ' + event.extendedProps.printerName + '\nStatus: ' + statusText + '\nBenutzer: ' + event.extendedProps.userName);
    };
    
    window.deleteEvent = function() {
        const eventId = document.getElementById('eventId').value;
        if (!eventId) return;
        
        if (!confirm('Möchten Sie diesen Job wirklich löschen?')) return;
        
        fetch('/api/calendar/event/' + eventId, {
            method: 'DELETE',
            headers: {
                'Content-Type': 'application/json',
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                calendar.refetchEvents();
                closeEventModal();
            } else {
                alert('Fehler beim Löschen: ' + (data.error || 'Unbekannter Fehler'));
            }
        })
        .catch(error => {
            console.error('Fehler:', error);
            alert('Fehler beim Löschen des Jobs');
        });
    };
    
    // Event-Form Submit
    document.getElementById('eventForm').addEventListener('submit', function(e) {
        e.preventDefault();
        
        const formData = new FormData(e.target);
        const data = {
            title: formData.get('title'),
            description: formData.get('description'),
            printerId: parseInt(formData.get('printerId')),
            start: formData.get('start'),
            end: formData.get('end')
        };
        
        const eventId = formData.get('eventId');
        const isEdit = eventId && eventId !== '';
        
        const url = isEdit ? ('/api/calendar/event/' + eventId) : '/api/calendar/event';
        const method = isEdit ? 'PUT' : 'POST';
        
        fetch(url, {
            method: method,
            headers: {
                'Content-Type': 'application/json',
            },
            body: JSON.stringify(data)
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                calendar.refetchEvents();
                closeEventModal();
            } else {
                alert('Fehler beim Speichern: ' + (data.error || 'Unbekannter Fehler'));
            }
        })
        .catch(error => {
            console.error('Fehler:', error);
            alert('Fehler beim Speichern des Jobs');
        });
    });
    
    function loadEvents(start, end, successCallback, failureCallback) {
        const printerId = printerFilter.value;
        const params = new URLSearchParams({
            from: start,
            to: end
        });
        
        if (printerId) {
            params.append('printer_id', printerId);
        }
        
        fetch('/api/calendar?' + params)
            .then(response => response.json())
            .then(events => {
                successCallback(events);
            })
            .catch(error => {
                console.error('Fehler beim Laden der Events:', error);
                failureCallback(error);
            });
    }
    
    // Auto-Refresh alle 30 Sekunden
    setInterval(function() {
        calendar.refetchEvents();
    }, 30000);
});
</script>
{% endblock %}