@extends('patent::layouts.master')

@section('title', 'Pending Transactions for Approval')

@section('content')
<div class="container-fluid mt-4">
    <div class="row">
        <div class="col-12">
            <div class="card shadow">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <div>
                        <h5 class="mb-0">⏳ Pending Transactions for Your Approval</h5>
                        <small class="text-muted">Transactions waiting for your approval</small>
                    </div>
                    <a href="{{ route('patent.transactions.role-dashboard') }}" class="btn btn-primary">
                        <i class="fas fa-tachometer-alt"></i> Dashboard
                    </a>
                </div>

                <div class="card-body">
                    <!-- Search and Filter Form -->
                    <form method="GET" class="mb-4">
                        <div class="row g-3">
                            <div class="col-md-4">
                                <input type="text" name="search" class="form-control" placeholder="Search transactions..." 
                                       value="{{ request('search') }}">
                            </div>
                            <div class="col-md-3">
                                <select name="status" class="form-select">
                                    <option value="">All Statuses</option>
                                    <option value="pending" {{ request('status') == 'pending' ? 'selected' : '' }}>Pending</option>
                                    <option value="approved" {{ request('status') == 'approved' ? 'selected' : '' }}>Approved</option>
                                    <option value="rejected" {{ request('status') == 'rejected' ? 'selected' : '' }}>Rejected</option>
                                </select>
                            </div>
                            <div class="col-md-3">
                                <input type="text" name="country" class="form-control" placeholder="Country" 
                                       value="{{ request('country') }}">
                            </div>
                            <div class="col-md-2">
                                <button type="submit" class="btn btn-outline-primary w-100">
                                    <i class="fas fa-search"></i> Search
                                </button>
                            </div>
                        </div>
                    </form>

                    @if($transactions->count() > 0)
                        <div class="table-responsive">
                            <table class="table table-striped table-hover">
                                <thead class="table-dark">
                                    <tr>
                                        <th>Reference</th>
                                        <th>Patent</th>
                                        <th>Type</th>
                                        <th>Country</th>
                                        <th>Amount</th>
                                        <th>Deadline</th>
                                        <th>Status</th>
                                        <th>Approval Progress</th>
                                        <th>Actions</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($transactions as $transaction)
                                        <tr>
                                            <td>
                                                <strong>{{ $transaction->reference_no }}</strong>
                                            </td>
                                            <td>
                                                <a href="{{ route('patent.tickets.show', $transaction->patent_id) }}" 
                                                   class="text-decoration-none">
                                                    {{ $transaction->patent->aipt_ref ?? 'N/A' }}
                                                </a>
                                            </td>
                                            <td>
                                                <span class="badge bg-info">
                                                    {{ $transaction->transactionType->name ?? 'N/A' }}
                                                </span>
                                            </td>
                                            <td>{{ $transaction->country ?? 'N/A' }}</td>
                                            <td>
                                                <strong>{{ $transaction->formatted_amount }}</strong>
                                                <small class="text-muted d-block">{{ $transaction->currency }}</small>
                                            </td>
                                            <td>
                                                @if($transaction->deadline)
                                                    <span class="{{ $transaction->is_overdue ? 'text-danger' : 'text-muted' }}">
                                                        {{ $transaction->deadline->format('M d, Y') }}
                                                    </span>
                                                    @if($transaction->is_overdue)
                                                        <br><small class="text-danger">Overdue</small>
                                                    @endif
                                                @else
                                                    <span class="text-muted">No deadline</span>
                                                @endif
                                            </td>
                                            <td>
                                                <span class="badge bg-{{ $transaction->status_badge }}">
                                                    {{ ucfirst($transaction->status) }}
                                                </span>
                                            </td>
                                            <td>
                                                <div class="approval-sequence">
                                                    @foreach($transaction->approval_sequence as $index => $step)
                                                        @php
                                                            $isDone = $step['status'] === 'T';
                                                            $isCurrent = $step['is_current'] ?? false;
                                                            $badgeClass = $isDone ? 'bg-success' : ($isCurrent ? 'bg-warning' : 'bg-secondary');
                                                            $icon = $isDone ? '✅' : ($isCurrent ? '⏳' : '⏸️');
                                                        @endphp
                                                        <span class="badge {{ $badgeClass }} me-1">
                                                            {{ $icon }} {{ $step['name'] }}
                                                        </span>
                                                    @endforeach
                                                </div>
                                            </td>
                                            <td>
                                                <a href="{{ route('patent.transactions.edit', [$transaction->patent_id, $transaction->id]) }}" 
                                                   class="btn btn-sm btn-primary">
                                                    <i class="fas fa-edit"></i> Review
                                                </a>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>

                        <!-- Pagination -->
                        <div class="d-flex justify-content-center mt-4">
                            {{ $transactions->appends(request()->query())->links() }}
                        </div>
                    @else
                        <div class="text-center py-5">
                            <i class="fas fa-check-circle fa-3x text-success mb-3"></i>
                            <h5>No Pending Transactions</h5>
                            <p class="text-muted">You have no transactions pending your approval at the moment.</p>
                            <a href="{{ route('patent.transactions.role-dashboard') }}" class="btn btn-primary">
                                <i class="fas fa-tachometer-alt"></i> Go to Dashboard
                            </a>
                        </div>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('styles')
<style>
    .approval-sequence {
        display: flex;
        flex-wrap: wrap;
        gap: 2px;
    }
    
    .approval-sequence .badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
    
    .table th {
        border-top: none;
        font-weight: 600;
    }
    
    .table td {
        vertical-align: middle;
    }
</style>
@endpush