@extends('layouts.admin')

@section('header', 'WhatsApp Campaign Management')

@section('content')
    <div class="container mx-auto px-4 sm:px-6 lg:px-8 py-8">
        <!-- Header section with actions -->
        <div class="flex flex-col md:flex-row md:items-center md:justify-between mb-8">
            <div>
                <h1 class="text-2xl font-bold text-gray-900 sm:text-3xl">WhatsApp Campaigns</h1>
                <p class="mt-2 text-sm text-gray-500">Create, manage and track your WhatsApp marketing campaigns</p>
            </div>
            <div class="mt-4 md:mt-0 flex flex-col sm:flex-row space-y-2 sm:space-y-0 sm:space-x-3">
                <a href="{{ route('admin.marketing.index') }}" class="inline-flex items-center justify-center px-4 py-2 border border-gray-300 shadow-sm text-sm font-medium rounded-lg text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500">
                    <i class="fas fa-arrow-left mr-2"></i>
                    Back to Marketing
                </a>
                
                <a href="{{ route('admin.whatsapp-campaigns.create') }}" class="inline-flex items-center justify-center px-4 py-2 border border-transparent text-sm font-medium rounded-lg shadow-sm text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500">
                    <i class="fab fa-whatsapp mr-2"></i>
                    New Campaign
                </a>
            </div>
        </div>

        <!-- Alert Messages -->
        @if(session('success'))
            <div class="bg-green-100 border border-green-400 text-green-700 px-4 py-3 rounded relative mb-4" role="alert">
                <span class="block sm:inline">{{ session('success') }}</span>
            </div>
        @endif
        
        @if(session('error'))
            <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative mb-4" role="alert">
                <span class="block sm:inline">{{ session('error') }}</span>
            </div>
        @endif

        <!-- Campaign Statistics Cards -->
        <div class="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
            <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0">
                        <div class="w-8 h-8 bg-green-100 rounded-lg flex items-center justify-center">
                            <i class="fab fa-whatsapp text-green-600"></i>
                        </div>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-500">Total Campaigns</p>
                        <p class="text-2xl font-semibold text-gray-900">{{ $totalCampaigns ?? 0 }}</p>
                    </div>
                </div>
            </div>

            <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0">
                        <div class="w-8 h-8 bg-blue-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-clock text-blue-600"></i>
                        </div>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-500">Scheduled</p>
                        <p class="text-2xl font-semibold text-gray-900">{{ $scheduledCampaigns ?? 0 }}</p>
                    </div>
                </div>
            </div>

            <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0">
                        <div class="w-8 h-8 bg-green-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-check-circle text-green-600"></i>
                        </div>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-500">Sent</p>
                        <p class="text-2xl font-semibold text-gray-900">{{ $sentCampaigns ?? 0 }}</p>
                    </div>
                </div>
            </div>

            <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0">
                        <div class="w-8 h-8 bg-gray-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-edit text-gray-600"></i>
                        </div>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-500">Drafts</p>
                        <p class="text-2xl font-semibold text-gray-900">{{ $draftCampaigns ?? 0 }}</p>
                    </div>
                </div>
            </div>
        </div>

        <!-- Filters -->
        <div class="bg-white border border-gray-200 rounded-lg shadow-sm overflow-hidden mb-8">
            <div class="px-6 py-4 border-b border-gray-200 bg-gray-50">
                <h3 class="text-lg font-semibold text-gray-900 flex items-center">
                    <i class="fas fa-filter text-green-500 mr-2"></i>
                    Filter Campaigns
                </h3>
            </div>
            <div class="p-6">
                <form action="{{ route('admin.whatsapp-campaigns.index') }}" method="GET" class="grid grid-cols-1 md:grid-cols-3 gap-6">
                    <div>
                        <label for="status" class="block text-sm font-semibold text-gray-700 mb-2">Status</label>
                        <div class="relative">
                            <select id="status" name="status" class="block w-full px-4 py-3 border border-gray-300 rounded-lg shadow-sm focus:outline-none focus:ring-2 focus:ring-green-500 focus:border-green-500 transition duration-200 sm:text-sm appearance-none bg-white">
                                <option value="">All Statuses</option>
                                <option value="draft" {{ request('status') == 'draft' ? 'selected' : '' }}>📝 Draft</option>
                                <option value="scheduled" {{ request('status') == 'scheduled' ? 'selected' : '' }}>⏰ Scheduled</option>
                                <option value="sending" {{ request('status') == 'sending' ? 'selected' : '' }}>📤 Sending</option>
                                <option value="sent" {{ request('status') == 'sent' ? 'selected' : '' }}>✅ Sent</option>
                                <option value="cancelled" {{ request('status') == 'cancelled' ? 'selected' : '' }}>❌ Cancelled</option>
                                <option value="failed" {{ request('status') == 'failed' ? 'selected' : '' }}>⚠️ Failed</option>
                            </select>
                            <div class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
                                <i class="fas fa-chevron-down text-gray-400"></i>
                            </div>
                        </div>
                    </div>
                    
                    <div>
                        <label for="search" class="block text-sm font-semibold text-gray-700 mb-2">Search</label>
                        <div class="relative">
                            <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                                <i class="fas fa-search text-gray-400"></i>
                            </div>
                            <input type="text" name="search" id="search" value="{{ request('search') }}" 
                                   placeholder="Search campaign names..."
                                   class="block w-full pl-10 pr-4 py-3 border border-gray-300 rounded-lg shadow-sm placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-green-500 focus:border-green-500 transition duration-200 sm:text-sm">
                        </div>
                    </div>
                    
                    <div class="flex items-end space-x-3">
                        <button type="submit" class="flex-1 inline-flex items-center justify-center px-4 py-3 border border-transparent rounded-lg shadow-sm text-sm font-medium text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 transition duration-200">
                            <i class="fas fa-search mr-2"></i>
                            Filter
                        </button>
                        <a href="{{ route('admin.whatsapp-campaigns.index') }}" class="inline-flex items-center justify-center px-4 py-3 border border-gray-300 rounded-lg shadow-sm text-sm font-medium text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 transition duration-200">
                            <i class="fas fa-times mr-2"></i>
                            Clear
                        </a>
                    </div>
                </form>
            </div>
        </div>

        <!-- Campaigns list -->
        <div class="bg-white shadow overflow-hidden sm:rounded-lg">
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Campaign
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Media Type
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Status
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Recipients
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Scheduled
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Actions
                            </th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-200">
                        @forelse($campaigns as $campaign)
                            <tr class="hover:bg-gray-50">
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="flex items-center">
                                        <div class="flex-shrink-0 h-10 w-10">
                                            <div class="h-10 w-10 bg-green-100 rounded-lg flex items-center justify-center">
                                                @if($campaign->media_type)
                                                    @switch($campaign->media_type)
                                                        @case('image')
                                                            <i class="fas fa-image text-green-600"></i>
                                                            @break
                                                        @case('video')
                                                            <i class="fas fa-video text-green-600"></i>
                                                            @break
                                                        @case('document')
                                                            <i class="fas fa-file text-green-600"></i>
                                                            @break
                                                        @case('audio')
                                                            <i class="fas fa-music text-green-600"></i>
                                                            @break
                                                        @default
                                                            <i class="fab fa-whatsapp text-green-600"></i>
                                                    @endswitch
                                                @else
                                                    <i class="fas fa-comment text-green-600"></i>
                                                @endif
                                            </div>
                                        </div>
                                        <div class="ml-4">
                                            <div class="text-sm font-medium text-gray-900">
                                                <a href="{{ route('admin.whatsapp-campaigns.show', $campaign) }}" class="hover:text-green-600">
                                                    {{ $campaign->name }}
                                                </a>
                                            </div>
                                            <div class="text-sm text-gray-500">
                                                Created {{ $campaign->created_at->format('M d, Y') }}
                                            </div>
                                        </div>
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm">
                                        @if($campaign->media_type)
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-blue-100 text-blue-800">
                                                @switch($campaign->media_type)
                                                    @case('image')
                                                        📷 Image
                                                        @break
                                                    @case('video')
                                                        🎥 Video
                                                        @break
                                                    @case('document')
                                                        📄 Document
                                                        @break
                                                    @case('audio')
                                                        🎵 Audio
                                                        @break
                                                    @default
                                                        {{ ucfirst($campaign->media_type) }}
                                                @endswitch
                                            </span>
                                        @else
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-gray-100 text-gray-800">
                                                💬 Text Only
                                            </span>
                                        @endif
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm">
                                        @if($campaign->status === 'draft')
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-gray-100 text-gray-800">
                                                <i class="fas fa-edit mr-1"></i>
                                                Draft
                                            </span>
                                        @elseif($campaign->status === 'scheduled')
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-blue-100 text-blue-800">
                                                <i class="fas fa-clock mr-1"></i>
                                                Scheduled
                                            </span>
                                        @elseif($campaign->status === 'sending')
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-yellow-100 text-yellow-800">
                                                <i class="fas fa-spinner mr-1"></i>
                                                Sending
                                            </span>
                                        @elseif($campaign->status === 'sent')
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-green-100 text-green-800">
                                                <i class="fas fa-check mr-1"></i>
                                                Sent
                                            </span>
                                        @elseif($campaign->status === 'cancelled')
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-gray-100 text-gray-800">
                                                <i class="fas fa-ban mr-1"></i>
                                                Cancelled
                                            </span>
                                        @else
                                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-red-100 text-red-800">
                                                <i class="fas fa-exclamation-triangle mr-1"></i>
                                                Failed
                                            </span>
                                        @endif
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm text-gray-900 flex items-center">
                                        <i class="fab fa-whatsapp text-green-500 mr-1"></i>
                                        {{ number_format($campaign->recipients_count ?? 0) }}
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm text-gray-500">
                                        @if($campaign->scheduled_at)
                                            <div class="flex items-center">
                                                <i class="fas fa-calendar text-gray-400 mr-1"></i>
                                                {{ $campaign->scheduled_at->format('M d, Y') }}
                                            </div>
                                            <div class="text-xs text-gray-400">
                                                {{ $campaign->scheduled_at->format('H:i A') }}
                                            </div>
                                        @else
                                            <span class="text-gray-400">Not scheduled</span>
                                        @endif
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
                                    <div class="flex space-x-2">
                                        <!-- View Button -->
                                        <a href="{{ route('admin.whatsapp-campaigns.show', $campaign) }}" 
                                           class="text-green-600 hover:text-green-900" title="View Campaign">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                        
                                        <!-- Edit Button -->
                                        <a href="{{ route('admin.whatsapp-campaigns.edit', $campaign) }}" 
                                           class="text-blue-600 hover:text-blue-900" title="Edit Campaign">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        
                                        <!-- Send Button (for drafts and scheduled) -->
                                        @if(in_array($campaign->status, ['draft', 'scheduled']))
                                            <form action="{{ route('admin.whatsapp-campaigns.send', $campaign) }}" method="POST" class="inline-block"
                                                  onsubmit="return confirm('Are you sure you want to send this campaign now?');">
                                                @csrf
                                                <button type="submit" class="text-green-600 hover:text-green-900" title="Send Now">
                                                    <i class="fab fa-whatsapp"></i>
                                                </button>
                                            </form>
                                        @endif
                                        
                                        <!-- Stats Button (for sent campaigns) -->
                                        @if($campaign->status === 'sent')
                                            <a href="{{ route('admin.whatsapp-campaigns.stats', $campaign) }}" 
                                               class="text-purple-600 hover:text-purple-900" title="View Statistics">
                                                <i class="fas fa-chart-bar"></i>
                                            </a>
                                        @endif
                                        
                                        <!-- Delete Button (for drafts and scheduled) -->
                                        @if(in_array($campaign->status, ['draft', 'scheduled']))
                                            <form action="{{ route('admin.whatsapp-campaigns.destroy', $campaign) }}" method="POST" class="inline-block"
                                                  onsubmit="return confirm('Are you sure you want to delete this campaign? This action cannot be undone.');">
                                                @csrf
                                                @method('DELETE')
                                                <button type="submit" class="text-red-600 hover:text-red-900" title="Delete Campaign">
                                                    <i class="fas fa-trash"></i>
                                                </button>
                                            </form>
                                        @endif
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="6" class="px-6 py-12 whitespace-nowrap text-center">
                                    <div class="text-gray-400">
                                        <i class="fab fa-whatsapp text-4xl mb-4"></i>
                                        <p class="text-sm font-medium text-gray-500 mb-2">No WhatsApp campaigns found</p>
                                        <p class="text-xs text-gray-400 mb-4">Get started by creating your first WhatsApp campaign</p>
                                        <a href="{{ route('admin.whatsapp-campaigns.create') }}" class="inline-flex items-center px-3 py-2 border border-transparent text-sm leading-4 font-medium rounded-md text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500">
                                            <i class="fab fa-whatsapp mr-1"></i>
                                            Create Campaign
                                        </a>
                                    </div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
            
            @if($campaigns->hasPages())
                <div class="px-4 py-3 border-t border-gray-200 sm:px-6">
                    <div class="flex items-center justify-between">
                        <div class="flex-1 flex justify-between sm:hidden">
                            {{ $campaigns->simplePaginate() }}
                        </div>
                        <div class="hidden sm:flex-1 sm:flex sm:items-center sm:justify-between">
                            <div>
                                <p class="text-sm text-gray-700">
                                    Showing
                                    <span class="font-medium">{{ $campaigns->firstItem() }}</span>
                                    to
                                    <span class="font-medium">{{ $campaigns->lastItem() }}</span>
                                    of
                                    <span class="font-medium">{{ $campaigns->total() }}</span>
                                    results
                                </p>
                            </div>
                            <div>
                                {{ $campaigns->links() }}
                            </div>
                        </div>
                    </div>
                </div>
            @endif
        </div>
    </div>
@endsection