{% extends "base.html" %}

{% block title %}Effects - Art-DAG L1{% endblock %}

{% block content %}
<div class="max-w-6xl mx-auto">
    <div class="flex items-center justify-between mb-6">
        <h1 class="text-3xl font-bold">Effects</h1>
        <label class="bg-blue-600 hover:bg-blue-700 px-4 py-2 rounded font-medium cursor-pointer">
            Upload Effect
            <input type="file" accept=".py" class="hidden" id="effect-upload" />
        </label>
    </div>

    <p class="text-gray-400 mb-8">
        Effects are Python scripts that process video frames or whole videos.
        Each effect is stored in IPFS and can be referenced by CID in recipes.
    </p>

    {% if effects %}
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
        {% for effect in effects %}
        {% set meta = effect.meta or effect %}
        <a href="/effects/{{ effect.cid }}"
           class="bg-gray-800 border border-gray-700 rounded-lg p-4 hover:border-gray-600 transition-colors">
            <div class="flex items-center justify-between mb-2">
                <span class="font-medium text-white">{{ meta.name or 'Unnamed' }}</span>
                <span class="text-gray-500 text-sm">v{{ meta.version or '1.0.0' }}</span>
            </div>

            {% if meta.description %}
            <p class="text-gray-400 text-sm mb-3 line-clamp-2">{{ meta.description }}</p>
            {% endif %}

            <div class="flex items-center justify-between text-sm mb-2">
                {% if meta.author %}
                <span class="text-gray-500">by {{ meta.author }}</span>
                {% else %}
                <span></span>
                {% endif %}
                {% if meta.temporal %}
                <span class="bg-purple-900 text-purple-300 px-2 py-0.5 rounded text-xs">temporal</span>
                {% endif %}
            </div>

            {% if meta.params %}
            <div class="text-gray-500 text-sm">
                {{ meta.params | length }} parameter{{ 's' if meta.params | length != 1 else '' }}
            </div>
            {% endif %}

            {% if meta.dependencies %}
            <div class="mt-2 flex flex-wrap gap-1">
                {% for dep in meta.dependencies[:3] %}
                <span class="bg-gray-700 text-gray-300 px-2 py-0.5 rounded text-xs">{{ dep }}</span>
                {% endfor %}
                {% if meta.dependencies | length > 3 %}
                <span class="text-gray-500 text-xs">+{{ meta.dependencies | length - 3 }} more</span>
                {% endif %}
            </div>
            {% endif %}

            <div class="mt-3 text-gray-600 text-xs font-mono truncate">
                {{ effect.cid[:24] }}...
            </div>
        </a>
        {% endfor %}
    </div>
    {% else %}
    <div class="bg-gray-800 border border-gray-700 rounded-lg p-12 text-center">
        <p class="text-gray-500 mb-4">No effects uploaded yet.</p>
        <p class="text-gray-600 text-sm mb-6">
            Effects are Python files with @effect metadata in a docstring.
        </p>
        <label class="bg-blue-600 hover:bg-blue-700 px-6 py-3 rounded font-medium cursor-pointer inline-block">
            Upload Your First Effect
            <input type="file" accept=".py" class="hidden" id="effect-upload-empty" />
        </label>
    </div>
    {% endif %}
</div>

<div id="upload-result" class="fixed bottom-4 right-4 max-w-sm"></div>

<script>
function handleEffectUpload(input) {
    const file = input.files[0];
    if (!file) return;

    const formData = new FormData();
    formData.append('file', file);

    fetch('/effects/upload', {
        method: 'POST',
        body: formData
    })
    .then(response => {
        if (!response.ok) throw new Error('Upload failed');
        return response.json();
    })
    .then(data => {
        const resultDiv = document.getElementById('upload-result');
        resultDiv.innerHTML = `
            <div class="bg-green-900 border border-green-700 rounded-lg p-4">
                <p class="text-green-300 font-medium">Effect uploaded!</p>
                <p class="text-green-400 text-sm mt-1">${data.name} v${data.version}</p>
                <p class="text-gray-400 text-xs mt-2 font-mono">${data.cid}</p>
            </div>
        `;
        setTimeout(() => {
            window.location.reload();
        }, 1500);
    })
    .catch(error => {
        const resultDiv = document.getElementById('upload-result');
        resultDiv.innerHTML = `
            <div class="bg-red-900 border border-red-700 rounded-lg p-4">
                <p class="text-red-300 font-medium">Upload failed</p>
                <p class="text-red-400 text-sm mt-1">${error.message}</p>
            </div>
        `;
    });

    input.value = '';
}

document.getElementById('effect-upload')?.addEventListener('change', function() {
    handleEffectUpload(this);
});
document.getElementById('effect-upload-empty')?.addEventListener('change', function() {
    handleEffectUpload(this);
});
</script>
{% endblock %}