@extends('layouts.app')

@section('content')
<div class="container">
    <div class="row justify-content-center">
        <div class="col-md-10">
            <div class="card">
                <div class="card-header {{ $result['has_issues'] ? 'bg-warning' : 'bg-success' }} text-white">
                    <div class="d-flex justify-content-between align-items-center">
                        <h4>
                            <i class="fas fa-check-circle"></i> Balance Integrity Check - {{ $fund->name }}
                        </h4>
                        <span class="badge {{ $result['has_issues'] ? 'bg-danger' : 'bg-light text-dark' }}">
                            {{ $result['has_issues'] ? 'Issues Found' : 'All Good' }}
                        </span>
                    </div>
                </div>
                <div class="card-body">
                    
                    <!-- Summary Section -->
                    <div class="row mb-4">
                        <div class="col-md-4">
                            <div class="card bg-light">
                                <div class="card-body text-center">
                                    <h6 class="text-muted">Initial Amount</h6>
                                    <h3>UGX {{ number_format($result['initial_amount'], 2) }}</h3>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="card bg-info text-white">
                                <div class="card-body text-center">
                                    <h6 class="text-white-50">Current Balance (System)</h6>
                                    <h3>UGX {{ number_format($result['current_balance'], 2) }}</h3>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="card {{ $result['balance_matches'] ? 'bg-success' : 'bg-warning' }} text-white">
                                <div class="card-body text-center">
                                    <h6 class="text-white-50">Calculated Balance</h6>
                                    <h3>UGX {{ number_format($result['calculated_balance'], 2) }}</h3>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Balance Status -->
                    @if($result['balance_matches'])
                        <div class="alert alert-success">
                            <h5><i class="fas fa-check-circle"></i> Balance Matches!</h5>
                            <p class="mb-0">The current balance matches the calculated balance. System integrity is intact.</p>
                        </div>
                    @else
                        <div class="alert alert-danger">
                            <h5><i class="fas fa-exclamation-triangle"></i> Balance Mismatch Detected!</h5>
                            <p>
                                <strong>Current Balance:</strong> UGX {{ number_format($result['current_balance'], 2) }}<br>
                                <strong>Calculated Balance:</strong> UGX {{ number_format($result['calculated_balance'], 2) }}<br>
                                <strong>Difference:</strong> UGX {{ number_format($result['calculated_balance'] - $result['current_balance'], 2) }}
                            </p>
                            <hr>
                            <p class="mb-0">
                                <strong>Action Required:</strong> Use auto-reconcile to fix the balance.
                            </p>
                        </div>
                    @endif

                    <!-- Transaction Discrepancies -->
                    @if(count($result['transaction_discrepancies']) > 0)
                        <div class="alert alert-warning">
                            <h5><i class="fas fa-exclamation-triangle"></i> Transaction Discrepancies Found</h5>
                            <p>The following transactions have incorrect balance_after values:</p>
                        </div>

                        <div class="table-responsive mb-4">
                            <table class="table table-sm table-bordered">
                                <thead class="table-warning">
                                    <tr>
                                        <th>Transaction ID</th>
                                        <th>Date</th>
                                        <th>Description</th>
                                        <th>Expected Balance</th>
                                        <th>Recorded Balance</th>
                                        <th>Difference</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($result['transaction_discrepancies'] as $discrepancy)
                                        <tr>
                                            <td>#{{ $discrepancy['transaction_id'] }}</td>
                                            <td>{{ $discrepancy['date'] }}</td>
                                            <td>{{ $discrepancy['description'] }}</td>
                                            <td>UGX {{ number_format($discrepancy['expected_balance'], 2) }}</td>
                                            <td class="text-danger">UGX {{ number_format($discrepancy['recorded_balance'], 2) }}</td>
                                            <td>
                                                <span class="badge bg-danger">
                                                    {{ number_format($discrepancy['difference'], 2) }}
                                                </span>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>

                        <div class="alert alert-info">
                            <strong><i class="fas fa-info-circle"></i> How to Fix:</strong>
                            Click the "Fix Balance History" button below to recalculate all balance_after values.
                        </div>
                    @else
                        <div class="alert alert-success">
                            <h5><i class="fas fa-check-circle"></i> All Transaction Balances Are Correct</h5>
                            <p class="mb-0">Every transaction has the correct balance_after value.</p>
                        </div>
                    @endif

                    <!-- Action Buttons -->
                    <div class="d-flex justify-content-between mt-4">
                        <a href="{{ route('petty-cash.show', $fund) }}" class="btn btn-secondary">
                            <i class="fas fa-arrow-left"></i> Back to Fund
                        </a>
                        
                        <div>
                            @if(count($result['transaction_discrepancies']) > 0)
                                <form action="{{ route('petty-cash.fix-balance-after', $fund) }}" method="POST" class="d-inline">
                                    @csrf
                                    <button type="submit" class="btn btn-warning" 
                                            onclick="return confirm('This will recalculate balance_after for all transactions. Continue?')">
                                        <i class="fas fa-wrench"></i> Fix Balance History
                                    </button>
                                </form>
                            @endif
                            
                            @if(!$result['balance_matches'])
                                <form action="{{ route('petty-cash.auto-reconcile', $fund) }}" method="POST" class="d-inline">
                                    @csrf
                                    <button type="submit" class="btn btn-danger" 
                                            onclick="return confirm('This will update the current balance to match calculated balance. Continue?')">
                                        <i class="fas fa-magic"></i> Auto-Reconcile Balance
                                    </button>
                                </form>
                            @endif
                        </div>
                    </div>

                    <!-- Additional Info -->
                    <div class="mt-4 pt-4 border-top">
                        <h5><i class="fas fa-info-circle"></i> What This Check Does</h5>
                        <ul>
                            <li>Verifies that the current fund balance matches the calculated balance from all approved transactions</li>
                            <li>Checks that every transaction's <code>balance_after</code> value is correct</li>
                            <li>Identifies any discrepancies that need to be fixed</li>
                        </ul>
                        
                        <h5 class="mt-3"><i class="fas fa-lightbulb"></i> Recommended Actions</h5>
                        <ul>
                            <li>If balance doesn't match: Use <strong>Auto-Reconcile Balance</strong> to fix the current balance</li>
                            <li>If transaction discrepancies found: Use <strong>Fix Balance History</strong> to recalculate all balance_after values</li>
                            <li>Run this check periodically to ensure data integrity</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('styles')
<style>
.text-white-50 {
    color: rgba(255, 255, 255, 0.5);
}
</style>
@endpush