{% extends 'base.html' %}
{% load i18n %}
{% load static %}

{% block extra_css %}
<link rel="stylesheet" href="https://unpkg.com/dropzone@5/dist/min/dropzone.min.css">
<style>
    .dropzone {
        border: 2px dashed #e5e7eb;
        border-radius: 0.5rem;
        background: white;
    }
    .dropzone:hover {
        border-color: #3b82f6;
    }
    .dropzone .dz-message {
        margin: 2em 0;
    }
</style>
{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
    <!-- Back Button -->
    <div class="mb-6">
        <a href="{% url 'collection-list' %}"
           class="inline-flex items-center p-2 text-gray-600 hover:text-gray-800 hover:bg-gray-50 rounded-md"
           title="{% trans 'Back to Collections' %}">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                      d="M10 19l-7-7m0 0l7-7m-7 7h18"/>
            </svg>
            <span class="ml-1 text-sm">{% trans "Back to Collections" %}</span>
        </a>
    </div>

    <!-- Collection Header -->
    <div class="flex justify-between items-start mb-6">
        <div>
            <h1 class="text-3xl font-bold text-gray-900">{{ collection.name }}</h1>
            {% if collection.description %}
                <p class="mt-2 text-gray-600">{{ collection.description }}</p>
            {% endif %}
        </div>
        <div class="flex space-x-2">
            <button type="button"
                    onclick="document.getElementById('uploadModal').classList.remove('hidden')"
                    class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-blue-600 hover:bg-blue-700">
                <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-8l-4-4m0 0L8 8m4-4v12"/>
                </svg>
                {% trans "Upload Images" %}
            </button>
            <a href="{% url 'collection-update' collection.pk %}"
               class="inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-md shadow-sm text-gray-700 bg-white hover:bg-gray-50">
                <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/>
                </svg>
                {% trans "Edit Collection" %}
            </a>
            <button type="button"
                    onclick="deleteCollection('{{ collection.pk }}')"
                    class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-red-600 hover:bg-red-700">
                <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                </svg>
                {% trans "Delete Collection" %}
            </button>
        </div>
    </div>

    <!-- Images Grid -->
    <div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-4" id="imagesGrid">
        {% for image in collection.images.all %}
            <div class="relative group" id="image-{{ image.id }}">
                <div class="aspect-w-1 aspect-h-1 w-full overflow-hidden rounded-lg bg-gray-200">
                    <img src="{{ image.get_url }}"
                         alt="{{ image.title }}"
                         class="object-cover w-full h-full">
                    <!-- Hover Overlay -->
                    <div class="absolute inset-0 bg-black bg-opacity-50 opacity-0 group-hover:opacity-100 transition-opacity duration-200 flex items-center justify-center space-x-2">
                        <a href="{{ image.get_url }}"
                           target="_blank"
                           class="p-2 text-white hover:text-blue-200"
                           title="{% trans 'View Full Size' %}">
                            <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="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                      d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/>
                            </svg>
                        </a>
                        <button onclick="deleteImage('{{ image.id }}')"
                                class="p-2 text-white hover:text-red-200"
                                title="{% trans 'Delete Image' %}">
                            <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="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                            </svg>
                        </button>
                    </div>
                </div>
            </div>
        {% empty %}
            <div class="col-span-full flex flex-col items-center justify-center py-12 bg-white rounded-lg border-2 border-dashed border-gray-300">
                <svg class="w-12 h-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"/>
                </svg>
                <h3 class="mt-2 text-sm font-medium text-gray-900">{% trans "No images" %}</h3>
                <p class="mt-1 text-sm text-gray-500">{% trans "Upload some images to get started." %}</p>
            </div>
        {% endfor %}
    </div>
</div>

<!-- Upload Modal -->
<div id="uploadModal" class="hidden fixed inset-0 bg-gray-500 bg-opacity-75 flex items-center justify-center z-50">
    <div class="bg-white rounded-lg shadow-xl max-w-3xl w-full mx-4">
        <div class="px-4 py-5 sm:p-6">
            <div class="flex justify-between items-center mb-4">
                <h3 class="text-lg font-medium text-gray-900">{% trans "Upload Images" %}</h3>
                <button type="button"
                        onclick="document.getElementById('uploadModal').classList.add('hidden')"
                        class="text-gray-400 hover:text-gray-500">
                    <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"/>
                    </svg>
                </button>
            </div>
            <form id="uploadForm" class="dropzone"></form>
            <div class="mt-4 flex justify-end">
                <button type="button"
                        onclick="document.getElementById('uploadModal').classList.add('hidden')"
                        class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-md shadow-sm hover:bg-gray-50">
                    {% trans "Done" %}
                </button>
            </div>
        </div>
    </div>
</div>

{% endblock %}

{% block extra_js %}
<script src="https://unpkg.com/dropzone@5/dist/min/dropzone.min.js"></script>
<script>
Dropzone.autoDiscover = false;

new Dropzone("#uploadForm", {
    url: `/api/collections/{{ collection.pk }}/upload_images`,
    headers: {
        'X-CSRFToken': getCookie('csrftoken')
    },
    acceptedFiles: 'image/*',
    parallelUploads: 4,
    maxFilesize: 10, // MB
    dictDefaultMessage: `
        <div class="text-center">
            <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                      d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"/>
            </svg>
            <p class="mt-1 text-sm text-gray-600">
                {% trans "Drag and drop images here, or click to select files" %}
            </p>
        </div>
    `,
    success: function(file, response) {
        location.reload();
    },
    error: function(file, errorMessage) {
        alert(errorMessage);
    }
});

function deleteImage(imageId) {
    if (confirm('{% trans "Are you sure you want to delete this image?" %}')) {
        fetch(`/api/images/${imageId}`, {
            method: 'DELETE',
            headers: {
                'X-CSRFToken': getCookie('csrftoken')
            }
        })
        .then(response => {
            if (!response.ok) {
                throw new Error('Network response was not ok');
            }
            document.getElementById(`image-${imageId}`).remove();
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Failed to delete image');
        });
    }
}

function deleteCollection(collectionId) {
    if (confirm('{% trans "Are you sure you want to delete this collection? All images will be permanently deleted." %}')) {
        fetch(`/api/collections/${collectionId}`, {
            method: 'DELETE',
            headers: {
                'X-CSRFToken': getCookie('csrftoken')
            }
        })
        .then(response => {
            if (!response.ok) {
                throw new Error('Network response was not ok');
            }
            window.location.href = '{% url "collection-list" %}';
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Failed to delete collection');
        });
    }
}
</script>
{% endblock %}