@extends('layouts.admin')

@section('page-title', 'Coupons')

@section('content')
<div class="py-6">
    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        {{-- Page Header --}}
        <div class="flex justify-between items-start mb-6">
            <div>
                <h2 class="text-2xl font-bold text-gray-900 tracking-tight">Coupons</h2>
                <p class="text-sm text-gray-500 mt-1">You have total <span class="font-semibold text-indigo-600">{{ $coupons->total() }}</span> coupons</p>
            </div>
            <button onclick="document.getElementById('create-modal').classList.remove('hidden')" class="inline-flex items-center gap-2 px-4 py-2.5 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 transition-colors text-sm font-medium shadow-sm">
                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/></svg>
                Add Coupon
            </button>
        </div>

        {{-- Table Card --}}
        <div class="bg-white rounded-xl border border-gray-200 shadow-sm overflow-hidden">
            <div class="px-6 py-4 border-b border-gray-200 bg-gray-50">
                <h4 class="text-base font-semibold text-gray-900">All Coupons</h4>
            </div>

            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead class="bg-gray-50 border-b border-gray-200">
                        <tr>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">#</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Code</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Type</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Value</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Min Purchase</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Usage</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Valid Until</th>
                            <th class="text-left py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Status</th>
                            <th class="text-center py-3 px-5 text-xs font-semibold text-gray-500 uppercase tracking-wider">Options</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-100">
                        @forelse($coupons as $coupon)
                        <tr class="hover:bg-gray-50/50 transition-colors">
                            <td class="py-3 px-5 text-sm text-gray-500">{{ $loop->iteration + ($coupons->currentPage() - 1) * $coupons->perPage() }}</td>
                            <td class="py-3 px-5">
                                <span class="font-mono text-sm font-semibold text-gray-900 bg-gray-50 px-2 py-1 rounded">{{ $coupon->code }}</span>
                            </td>
                            <td class="py-3 px-5">
                                @php
                                    $typeConfig = match($coupon->type) {
                                        'percentage' => ['label' => 'Percentage', 'bg' => 'bg-blue-50', 'text' => 'text-blue-700', 'icon' => '%'],
                                        'fixed' => ['label' => 'Fixed', 'bg' => 'bg-emerald-50', 'text' => 'text-emerald-700', 'icon' => '$'],
                                        'free_shipping' => ['label' => 'Free Shipping', 'bg' => 'bg-purple-50', 'text' => 'text-purple-700', 'icon' => '🚚'],
                                        default => ['label' => $coupon->type, 'bg' => 'bg-gray-50', 'text' => 'text-gray-700', 'icon' => ''],
                                    };
                                @endphp
                                <span class="inline-flex items-center gap-1 px-2.5 py-1 rounded text-xs font-semibold {{ $typeConfig['bg'] }} {{ $typeConfig['text'] }}">
                                    {{ $typeConfig['label'] }}
                                </span>
                            </td>
                            <td class="py-3 px-5 text-sm font-medium text-gray-900">
                                @if($coupon->type === 'free_shipping')
                                    <span class="text-emerald-600 font-semibold">Free</span>
                                @elseif($coupon->type === 'percentage')
                                    {{ $coupon->value }}%
                                @else
                                    ${{ number_format($coupon->value, 2) }}
                                @endif
                            </td>
                            <td class="py-3 px-5 text-sm text-gray-700">
                                {{ $coupon->min_purchase ? '$'.number_format($coupon->min_purchase, 2) : '-' }}
                            </td>
                            <td class="py-3 px-5 text-sm text-gray-700">
                                <div class="flex items-center gap-2">
                                    <div class="flex-1 w-16 bg-gray-100 rounded-full h-1.5">
                                        @php
                                            $usagePercent = $coupon->usage_limit > 0 ? ($coupon->used_count / $coupon->usage_limit) * 100 : 0;
                                        @endphp
                                        <div class="bg-indigo-500 h-1.5 rounded-full" style="width: {{ min($usagePercent, 100) }}%"></div>
                                    </div>
                                    <span class="text-xs text-gray-500">{{ $coupon->used_count }}/{{ $coupon->usage_limit ?? '∞' }}</span>
                                </div>
                            </td>
                            <td class="py-3 px-5 text-sm {{ $coupon->valid_until && $coupon->valid_until->isPast() ? 'text-red-600 font-medium' : 'text-gray-700' }}">
                                {{ $coupon->valid_until?->format('M d, Y') ?? 'No expiry' }}
                            </td>
                            <td class="py-3 px-5">
                                <span class="px-2 py-1 rounded text-xs font-semibold {{ $coupon->is_active ? 'bg-green-100 text-green-700' : 'bg-gray-100 text-gray-500' }}">
                                    {{ $coupon->is_active ? 'Active' : 'Inactive' }}
                                </span>
                            </td>
                            <td class="py-3 px-5 text-center">
                                <form action="{{ route('admin.coupons.destroy', $coupon) }}" method="POST" class="inline" onsubmit="return confirm('Delete this coupon?')">
                                    @csrf @method('DELETE')
                                    <button type="submit" class="inline-flex items-center justify-center w-8 h-8 rounded-full border border-red-300 text-red-600 hover:bg-red-50 transition-colors" title="Delete">
                                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M14.74 9l-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 01-2.244 2.077H8.084a2.25 2.25 0 01-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 00-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 013.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 00-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 00-7.5 0"/></svg>
                                    </button>
                                </form>
                            </td>
                        </tr>
                        @empty
                        <tr>
                            <td colspan="9" class="py-16 text-center">
                                <div class="w-16 h-16 mx-auto bg-gray-50 rounded-2xl flex items-center justify-center mb-4">
                                    <svg class="w-8 h-8 text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A2 2 0 013 12V7a4 4 0 014-4z"/></svg>
                                </div>
                                <p class="text-gray-500 font-medium">No coupons found</p>
                                <p class="text-sm text-gray-400 mt-1">Create your first coupon to get started</p>
                            </td>
                        </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

            @if($coupons->hasPages())
            <div class="px-6 py-4 border-t border-gray-200">
                {{ $coupons->links() }}
            </div>
            @endif
        </div>
    </div>
</div>

{{-- Create Coupon Modal --}}
<div id="create-modal" class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
    <div class="bg-white rounded-xl shadow-2xl w-full max-w-2xl max-h-[90vh] overflow-y-auto">
        <div class="px-6 py-4 border-b border-gray-200 bg-gradient-to-r from-indigo-50 to-white flex items-center justify-between">
            <div class="flex items-center gap-3">
                <div class="w-9 h-9 bg-indigo-100 rounded-lg flex items-center justify-center">
                    <svg class="w-5 h-5 text-indigo-600" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A2 2 0 013 12V7a4 4 0 014-4z"/></svg>
                </div>
                <h3 class="text-lg font-semibold text-gray-900">Add Coupon</h3>
            </div>
            <button onclick="document.getElementById('create-modal').classList.add('hidden')" class="text-gray-400 hover:text-gray-600 transition-colors">
                <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="M6 18L18 6M6 6l12 12"/></svg>
            </button>
        </div>

        <form action="{{ route('admin.coupons.store') }}" method="POST" class="p-6">
            @csrf

            <div class="grid grid-cols-2 gap-5">
                <div class="col-span-2">
                    <label class="block text-sm font-medium text-gray-700 mb-2">Coupon Code <span class="text-red-500">*</span></label>
                    <input type="text" name="code" required class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm font-mono uppercase focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="e.g., SAVE20">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Discount Type <span class="text-red-500">*</span></label>
                    <select name="type" id="coupon-type" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" onchange="toggleValueField()">
                        <option value="percentage">Percentage (%)</option>
                        <option value="fixed">Fixed Amount ($)</option>
                        <option value="free_shipping">Free Shipping</option>
                    </select>
                </div>

                <div id="value-field">
                    <label class="block text-sm font-medium text-gray-700 mb-2">Value <span class="text-red-500">*</span></label>
                    <input type="number" name="value" step="0.01" min="0" id="coupon-value" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="20">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Min Purchase</label>
                    <input type="number" name="min_purchase" step="0.01" min="0" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="0.00">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Max Discount</label>
                    <input type="number" name="max_discount" step="0.01" min="0" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="0.00">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Usage Limit</label>
                    <input type="number" name="usage_limit" min="1" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="Leave empty for unlimited">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Valid Until</label>
                    <input type="date" name="valid_until" class="w-full px-4 py-2.5 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                </div>
            </div>

            <div class="flex justify-end gap-3 mt-6 pt-4 border-t border-gray-200">
                <button type="button" onclick="document.getElementById('create-modal').classList.add('hidden')" class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 transition-colors text-sm font-medium">Cancel</button>
                <button type="submit" class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 transition-colors text-sm font-medium">Create Coupon</button>
            </div>
        </form>
    </div>
</div>

@push('scripts')
<script>
function toggleValueField() {
    const type = document.getElementById('coupon-type').value;
    const valueField = document.getElementById('value-field');
    const valueInput = document.getElementById('coupon-value');

    if (type === 'free_shipping') {
        valueField.style.display = 'none';
        valueInput.required = false;
    } else {
        valueField.style.display = 'block';
        valueInput.required = true;
        if (type === 'percentage') {
            valueInput.placeholder = '20';
        } else {
            valueInput.placeholder = '10.00';
        }
    }
}
</script>
@endpush
@endsection