{% extends "base.html" %}
{% load static %}

{% block title %}Create Audio Configuration - Stream Processor{% endblock %}

{% block page_title %}
<i class="fas fa-microphone text-blue-600 mr-2"></i>
Create Audio Configuration
{% endblock %}

{% block extra_css %}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
<script src="https://cdn.tailwindcss.com"></script>
{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
    <!-- Header -->
    <div class="mb-8">
        <div class="bg-white shadow rounded-lg">
            <div class="px-6 py-4 border-b border-gray-200">
                <div class="flex items-center justify-between">
                    <div>
                        <h1 class="text-2xl font-bold text-gray-900">Create Audio Configuration</h1>
                        <p class="mt-1 text-sm text-gray-600">Configure audio encoding parameters for stream processing</p>
                    </div>
                    <div class="flex space-x-3">
                        <a href="{% url 'streams:config_list' %}" class="inline-flex items-center px-4 py-2 border border-gray-300 rounded-md text-sm font-medium text-gray-700 bg-white hover:bg-gray-50 shadow-sm">
                            <i class="fas fa-arrow-left mr-2"></i>
                            Back to Configurations
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Info Panel -->
    <div class="mb-6">
        <div class="bg-blue-50 border border-blue-200 rounded-lg p-4">
            <div class="flex items-center">
                <i class="fas fa-info-circle text-blue-600 mr-3"></i>
                <div>
                    <h3 class="text-sm font-medium text-blue-800">Audio Configuration Guidelines</h3>
                    <p class="text-sm text-blue-700">Configure audio encoding parameters for optimal stream processing. Higher bitrates provide better quality but require more bandwidth.</p>
                </div>
            </div>
        </div>
    </div>

    <!-- Form -->
    <div class="bg-white shadow rounded-lg">
        <div class="px-6 py-4 border-b border-gray-200">
            <h3 class="text-lg font-medium text-gray-900">Audio Configuration Settings</h3>
        </div>
            
            <form method="post" class="p-6 space-y-6">
                {% csrf_token %}
                
                <!-- Basic Information -->
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div>
                        <label for="{{ form.name.id_for_label }}" class="block text-sm font-medium text-gray-700">
                            Configuration Name
                            <span class="text-red-500">*</span>
                        </label>
                        <div class="mt-1">
                            {{ form.name }}
                            {% if form.name.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.name.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                        <p class="mt-1 text-sm text-gray-500">Unique name for this audio configuration</p>
                    </div>
                    
                    <div>
                        <label for="{{ form.codec.id_for_label }}" class="block text-sm font-medium text-gray-700">
                            Audio Codec
                            <span class="text-red-500">*</span>
                        </label>
                        <div class="mt-1">
                            {{ form.codec }}
                            {% if form.codec.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.codec.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                        <p class="mt-1 text-sm text-gray-500">Audio codec for encoding</p>
                    </div>
                </div>

                <!-- Quality Settings -->
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div>
                        <label for="{{ form.bitrate.id_for_label }}" class="block text-sm font-medium text-gray-700">
                            Bitrate
                            <span class="text-red-500">*</span>
                        </label>
                        <div class="mt-1">
                            {{ form.bitrate }}
                            {% if form.bitrate.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.bitrate.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                        <p class="mt-1 text-sm text-gray-500">Audio bitrate (e.g., '128k', '256k')</p>
                    </div>
                    
                    <div>
                        <label for="{{ form.sample_rate.id_for_label }}" class="block text-sm font-medium text-gray-700">
                            Sample Rate
                            <span class="text-red-500">*</span>
                        </label>
                        <div class="mt-1">
                            {{ form.sample_rate }}
                            {% if form.sample_rate.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.sample_rate.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                        <p class="mt-1 text-sm text-gray-500">Audio sample rate in Hz</p>
                    </div>
                </div>

                <!-- Channel Configuration -->
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div>
                        <label for="{{ form.channels.id_for_label }}" class="block text-sm font-medium text-gray-700">
                            Audio Channels
                            <span class="text-red-500">*</span>
                        </label>
                        <div class="mt-1">
                            {{ form.channels }}
                            {% if form.channels.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.channels.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                        <p class="mt-1 text-sm text-gray-500">Number of audio channels</p>
                    </div>
                    
                    <div class="flex items-center">
                        <div class="flex items-center h-5">
                            {{ form.normalize }}
                        </div>
                        <div class="ml-3 text-sm">
                            <label for="{{ form.normalize.id_for_label }}" class="font-medium text-gray-700">
                                Audio Normalization
                            </label>
                            <p class="text-gray-500">Apply loudnorm filter for consistent audio levels</p>
                            {% if form.normalize.errors %}
                                <div class="mt-1 text-sm text-red-600">
                                    {{ form.normalize.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                    </div>
                </div>

                <!-- Form Actions -->
                <div class="flex justify-end space-x-3 pt-6 border-t border-gray-200">
                    <a href="{% url 'streams:config_list' %}" class="inline-flex items-center px-4 py-2 border border-gray-300 rounded-md shadow-sm text-sm font-medium text-gray-700 bg-white hover:bg-gray-50">
                        Cancel
                    </a>
                    <button type="submit" class="inline-flex items-center px-4 py-2 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500">
                        <i class="fas fa-save mr-2"></i>
                        Create Configuration
                    </button>
                </div>
            </form>
        </div>

        <!-- Configuration Presets -->
        <div class="mt-8 bg-white shadow rounded-lg">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Common Audio Presets</h3>
            </div>
            <div class="p-6">
                <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                    <div class="border border-gray-200 rounded-lg p-4">
                        <h4 class="font-medium text-gray-900">High Quality</h4>
                        <p class="text-sm text-gray-500 mt-1">AAC, 48 kHz, Stereo</p>
                        <ul class="text-sm text-gray-600 mt-2 space-y-1">
                            <li>• Bitrate: 256k</li>
                            <li>• Sample Rate: 48 kHz</li>
                            <li>• Channels: Stereo</li>
                            <li>• Normalization: On</li>
                        </ul>
                    </div>
                    
                    <div class="border border-gray-200 rounded-lg p-4">
                        <h4 class="font-medium text-gray-900">Standard Quality</h4>
                        <p class="text-sm text-gray-500 mt-1">AAC, 44.1 kHz, Stereo</p>
                        <ul class="text-sm text-gray-600 mt-2 space-y-1">
                            <li>• Bitrate: 128k</li>
                            <li>• Sample Rate: 44.1 kHz</li>
                            <li>• Channels: Stereo</li>
                            <li>• Normalization: On</li>
                        </ul>
                    </div>
                    
                    <div class="border border-gray-200 rounded-lg p-4">
                        <h4 class="font-medium text-gray-900">Low Bandwidth</h4>
                        <p class="text-sm text-gray-500 mt-1">AAC, 22 kHz, Mono</p>
                        <ul class="text-sm text-gray-600 mt-2 space-y-1">
                            <li>• Bitrate: 64k</li>
                            <li>• Sample Rate: 22.05 kHz</li>
                            <li>• Channels: Mono</li>
                            <li>• Normalization: On</li>
                        </ul>
                    </div>
                </div>
                
                <div class="mt-6 grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div class="p-4 bg-green-50 border border-green-200 rounded-lg">
                        <div class="flex">
                            <div class="flex-shrink-0">
                                <i class="fas fa-check-circle text-green-400"></i>
                            </div>
                            <div class="ml-3">
                                <h4 class="text-sm font-medium text-green-800">Recommended Settings</h4>
                                <ul class="mt-2 text-sm text-green-700 space-y-1">
                                    <li>• AAC codec for best compatibility</li>
                                    <li>• 48 kHz sample rate for professional quality</li>
                                    <li>• Stereo channels for most content</li>
                                    <li>• Enable normalization for consistent levels</li>
                                </ul>
                            </div>
                        </div>
                    </div>
                    
                    <div class="p-4 bg-yellow-50 border border-yellow-200 rounded-lg">
                        <div class="flex">
                            <div class="flex-shrink-0">
                                <i class="fas fa-exclamation-triangle text-yellow-400"></i>
                            </div>
                            <div class="ml-3">
                                <h4 class="text-sm font-medium text-yellow-800">Performance Notes</h4>
                                <ul class="mt-2 text-sm text-yellow-700 space-y-1">
                                    <li>• Higher bitrates require more bandwidth</li>
                                    <li>• Higher sample rates increase processing load</li>
                                    <li>• Normalization adds processing overhead</li>
                                    <li>• Consider your target audience and bandwidth</li>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Codec Information -->
        <div class="mt-8 bg-white shadow rounded-lg">
            <div class="px-6 py-4 border-b border-gray-200">
                <h3 class="text-lg font-medium text-gray-900">Audio Codec Information</h3>
            </div>
            <div class="p-6">
                <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
                    <div>
                        <h4 class="font-medium text-gray-900 mb-2">AAC (Advanced Audio Coding)</h4>
                        <ul class="text-sm text-gray-600 space-y-1">
                            <li>• Best overall quality and compatibility</li>
                            <li>• Widely supported across devices</li>
                            <li>• Efficient compression</li>
                            <li>• Recommended for most use cases</li>
                        </ul>
                    </div>
                    
                    <div>
                        <h4 class="font-medium text-gray-900 mb-2">MP3 (MPEG Audio Layer III)</h4>
                        <ul class="text-sm text-gray-600 space-y-1">
                            <li>• Universal compatibility</li>
                            <li>• Larger file sizes than AAC</li>
                            <li>• Good for legacy systems</li>
                            <li>• Mature and stable format</li>
                        </ul>
                    </div>
                    
                    <div>
                        <h4 class="font-medium text-gray-900 mb-2">Opus</h4>
                        <ul class="text-sm text-gray-600 space-y-1">
                            <li>• Excellent quality at low bitrates</li>
                            <li>• Open source and royalty-free</li>
                            <li>• Great for real-time applications</li>
                            <li>• Limited device support</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
/* Form field styling */
input[type="text"], input[type="number"], select, textarea {
    @apply block w-full border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 sm:text-sm;
}

input[type="checkbox"] {
    @apply h-4 w-4 text-blue-600 focus:ring-blue-500 border-gray-300 rounded;
}

.errorlist {
    @apply list-none p-0 m-0;
}
</style>
{% endblock %}