@extends('layouts.app')

@section('content')
<div class="max-w-2xl mx-auto py-6 sm:px-6 lg:px-8">
    <div class="px-4 py-6 sm:px-0">
        <div class="mb-6">
            <h1 class="text-2xl font-semibold text-gray-900">Create Feed Routing</h1>
            <p class="mt-1 text-sm text-gray-600">Route a feed to one or more channels.</p>
        </div>

        <div class="bg-white shadow sm:rounded-lg">
            <form action="{{ route('routing.store') }}" method="POST" class="px-4 py-5 sm:p-6">
                @csrf

                <div class="grid grid-cols-1 gap-6">
                    <div>
                        <label for="feed_id" class="block text-sm font-medium text-gray-700">Feed</label>
                        <select name="feed_id" 
                                id="feed_id" 
                                class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm @error('feed_id') border-red-300 @enderror">
                            <option value="">Select a feed...</option>
                            @foreach($feeds as $feed)
                                <option value="{{ $feed->id }}" {{ old('feed_id') == $feed->id ? 'selected' : '' }}>
                                    {{ $feed->name }} ({{ $feed->type_display }})
                                </option>
                            @endforeach
                        </select>
                        @error('feed_id')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-3">Target Channels</label>
                        <div class="space-y-2 max-h-64 overflow-y-auto border border-gray-200 rounded-md p-3">
                            @forelse($channels as $channel)
                                <div class="flex items-center">
                                    <input type="checkbox" 
                                           name="channel_ids[]" 
                                           value="{{ $channel->id }}" 
                                           id="channel_{{ $channel->id }}"
                                           {{ in_array($channel->id, old('channel_ids', [])) ? 'checked' : '' }}
                                           class="h-4 w-4 text-indigo-600 focus:ring-indigo-500 border-gray-300 rounded">
                                    <label for="channel_{{ $channel->id }}" class="ml-2 block text-sm text-gray-900">
                                        <span class="font-medium">{{ $channel->name }}</span>
                                        <span class="text-gray-500">({{ $channel->platformInstance->name }})</span>
                                    </label>
                                </div>
                            @empty
                                <p class="text-sm text-gray-500">No active channels available. Please create channels first.</p>
                            @endforelse
                        </div>
                        @error('channel_ids')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                        @error('channel_ids.*')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <div>
                        <label for="priority" class="block text-sm font-medium text-gray-700">Priority</label>
                        <input type="number" 
                               name="priority" 
                               id="priority" 
                               min="0" 
                               max="100" 
                               value="{{ old('priority', 0) }}"
                               class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm @error('priority') border-red-300 @enderror"
                               placeholder="0">
                        <p class="mt-1 text-sm text-gray-500">Higher numbers = higher priority (0-100)</p>
                        @error('priority')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-3">Keywords (Optional)</label>
                        <div id="keywords-container" class="space-y-2">
                            <div class="keyword-input-group flex items-center space-x-2">
                                <input type="text" 
                                       name="keywords[]" 
                                       class="flex-1 border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
                                       placeholder="Enter keyword">
                                <button type="button" 
                                        class="remove-keyword bg-red-500 hover:bg-red-600 text-white px-3 py-2 rounded-md text-sm"
                                        onclick="removeKeyword(this)">
                                    Remove
                                </button>
                            </div>
                        </div>
                        <button type="button" 
                                id="add-keyword" 
                                class="mt-2 bg-green-500 hover:bg-green-600 text-white px-3 py-2 rounded-md text-sm"
                                onclick="addKeyword()">
                            Add Keyword
                        </button>
                        <p class="mt-1 text-sm text-gray-500">Articles will be filtered to only include content matching these keywords</p>
                        @error('keywords')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                        @error('keywords.*')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <div>
                        <label for="filters" class="block text-sm font-medium text-gray-700">Other Filters (Optional)</label>
                        <textarea name="filters" 
                                  id="filters" 
                                  rows="4" 
                                  class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm @error('filters') border-red-300 @enderror"
                                  placeholder='{"exclude_keywords": ["sports"], "min_length": 100}'>{{ old('filters') }}</textarea>
                        <p class="mt-1 text-sm text-gray-500">JSON format for additional content filtering rules</p>
                        @error('filters')
                            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>
                </div>

                <div class="mt-6 flex items-center justify-end space-x-3">
                    <a href="{{ route('routing.index') }}" class="bg-white py-2 px-4 border border-gray-300 rounded-md shadow-sm text-sm font-medium text-gray-700 hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500">
                        Cancel
                    </a>
                    <button type="submit" class="bg-indigo-600 py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500">
                        Create Routing
                    </button>
                </div>
            </form>
        </div>

        @if($feeds->isEmpty() || $channels->isEmpty())
            <div class="mt-6 bg-yellow-50 border border-yellow-200 rounded-md p-4">
                <div class="flex">
                    <div class="flex-shrink-0">
                        <i class="fas fa-exclamation-triangle text-yellow-400"></i>
                    </div>
                    <div class="ml-3">
                        <h3 class="text-sm font-medium text-yellow-800">Prerequisites Missing</h3>
                        <div class="mt-2 text-sm text-yellow-700">
                            <p>To create routing, you need:</p>
                            <ul class="list-disc list-inside mt-1">
                                @if($feeds->isEmpty())
                                    <li>At least one active <a href="{{ route('feeds.create') }}" class="underline">feed</a></li>
                                @endif
                                @if($channels->isEmpty())
                                    <li>At least one active <a href="{{ route('channels.create') }}" class="underline">channel</a></li>
                                @endif
                            </ul>
                        </div>
                    </div>
                </div>
            </div>
        @endif
    </div>
</div>

<script>
function addKeyword() {
    const container = document.getElementById('keywords-container');
    const newGroup = document.createElement('div');
    newGroup.className = 'keyword-input-group flex items-center space-x-2';
    newGroup.innerHTML = `
        <input type="text" 
               name="keywords[]" 
               class="flex-1 border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
               placeholder="Enter keyword">
        <button type="button" 
                class="remove-keyword bg-red-500 hover:bg-red-600 text-white px-3 py-2 rounded-md text-sm"
                onclick="removeKeyword(this)">
            Remove
        </button>
    `;
    container.appendChild(newGroup);
}

function removeKeyword(button) {
    const container = document.getElementById('keywords-container');
    const groups = container.querySelectorAll('.keyword-input-group');
    
    // Don't remove if it's the last remaining input
    if (groups.length > 1) {
        button.parentElement.remove();
    } else {
        // Clear the input value instead of removing the field
        const input = button.parentElement.querySelector('input');
        input.value = '';
    }
}
</script>
@endsection