@extends('layouts.app')

@section('title', 'System Audit Trails')

@section('content')
<div class="d-flex flex-wrap justify-content-between align-items-center mb-4 gap-3">
    <div>
        <h3 class="fw-bold mb-1 text-dark">Enterprise Audit Trails</h3>
        <p class="text-muted mb-0 small">Immutable system audit logs tracking authentication, data mutations, and administrative activities.</p>
    </div>
</div>

<!-- Search & Filter Bar -->
<div class="card shadow-sm border-0 mb-4">
    <div class="card-body p-3">
        <form method="GET" action="{{ route('audit-logs.index') }}" class="row g-2 align-items-center">
            <div class="col-md-6 col-lg-7">
                <div class="input-group">
                    <span class="input-group-text bg-light text-muted"><i class="bi bi-search"></i></span>
                    <input type="text" class="form-control" name="search" value="{{ $searchTerm }}" placeholder="Search by description, IP address, user name or email...">
                </div>
            </div>

            <div class="col-md-4 col-lg-3">
                <select class="form-select" name="action">
                    <option value="">All Audit Actions</option>
                    @foreach($actions as $action)
                        <option value="{{ $action }}" {{ $actionFilter === $action ? 'selected' : '' }}>
                            {{ $action }}
                        </option>
                    @endforeach
                </select>
            </div>

            <div class="col-md-2 col-lg-2 d-flex gap-2">
                <button type="submit" class="btn btn-agri w-100">
                    <i class="bi bi-funnel"></i> Filter
                </button>
                @if($searchTerm || $actionFilter)
                    <a href="{{ route('audit-logs.index') }}" class="btn btn-light border" title="Reset Filters">
                        <i class="bi bi-x-lg"></i>
                    </a>
                @endif
            </div>
        </form>
    </div>
</div>

<!-- Audit Logs Table -->
<div class="card shadow-sm border-0 mb-4">
    <div class="table-responsive">
        <table class="table table-hover align-middle mb-0">
            <thead>
                <tr>
                    <th>Timestamp</th>
                    <th>User</th>
                    <th>Action</th>
                    <th>Entity Type / ID</th>
                    <th>Description</th>
                    <th>IP Address</th>
                    <th class="text-end">Payload</th>
                </tr>
            </thead>
            <tbody>
                @forelse($logs as $log)
                    <tr>
                        <td class="text-muted small font-monospace">{{ $log->created_at->format('Y-m-d H:i:s') }}</td>
                        <td>
                            @if($log->user)
                                <div class="fw-semibold text-dark">{{ $log->user->name }}</div>
                                <small class="text-muted">{{ $log->user->email }}</small>
                            @else
                                <span class="text-muted fst-italic">System Process</span>
                            @endif
                        </td>
                        <td>
                            @if(str_contains($log->action, 'login'))
                                <span class="badge bg-success-subtle text-success border">{{ $log->action }}</span>
                            @elseif(str_contains($log->action, 'create'))
                                <span class="badge bg-primary-subtle text-primary border">{{ $log->action }}</span>
                            @elseif(str_contains($log->action, 'update') || str_contains($log->action, 'status'))
                                <span class="badge bg-warning-subtle text-warning-emphasis border">{{ $log->action }}</span>
                            @elseif(str_contains($log->action, 'delete') || str_contains($log->action, 'block'))
                                <span class="badge bg-danger-subtle text-danger border">{{ $log->action }}</span>
                            @else
                                <span class="badge bg-light text-dark border">{{ $log->action }}</span>
                            @endif
                        </td>
                        <td>
                            @if($log->entity_type)
                                <div class="small font-monospace">{{ class_basename($log->entity_type) }} #{{ $log->entity_id }}</div>
                            @else
                                <span class="text-muted small">&mdash;</span>
                            @endif
                        </td>
                        <td class="small">{{ $log->description }}</td>
                        <td class="text-muted small font-monospace">{{ $log->ip_address ?? '-' }}</td>
                        <td class="text-end">
                            @if($log->old_values || $log->new_values)
                                <button type="button" class="btn btn-light border btn-sm py-0 px-2" data-bs-toggle="modal" data-bs-target="#logModal{{ $log->id }}" title="View Payload Data">
                                    <i class="bi bi-code-slash"></i> Diff
                                </button>

                                <!-- Modal for Log Detail -->
                                <div class="modal fade" id="logModal{{ $log->id }}" tabindex="-1" aria-hidden="true">
                                    <div class="modal-dialog modal-lg text-start">
                                        <div class="modal-content">
                                            <div class="modal-header">
                                                <h6 class="modal-title fw-bold">Audit Event #{{ $log->id }} - {{ $log->action }}</h6>
                                                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                                            </div>
                                            <div class="modal-body">
                                                <div class="mb-3 small">
                                                    <strong>Description:</strong> {{ $log->description }}<br>
                                                    <strong>Timestamp:</strong> {{ $log->created_at->format('Y-m-d H:i:s') }}<br>
                                                    <strong>User Agent:</strong> <span class="text-muted font-monospace">{{ $log->user_agent }}</span>
                                                </div>

                                                <div class="row g-2">
                                                    @if($log->old_values)
                                                        <div class="col-md-6">
                                                            <div class="fw-bold small text-danger mb-1"><i class="bi bi-dash-circle"></i> Previous State:</div>
                                                            <pre class="bg-light p-2 rounded border small text-dark font-monospace" style="max-height: 250px; overflow-y: auto;">{{ json_encode($log->old_values, JSON_PRETTY_PRINT) }}</pre>
                                                        </div>
                                                    @endif

                                                    @if($log->new_values)
                                                        <div class="col-md-{{ $log->old_values ? '6' : '12' }}">
                                                            <div class="fw-bold small text-success mb-1"><i class="bi bi-plus-circle"></i> New / Updated State:</div>
                                                            <pre class="bg-light p-2 rounded border small text-dark font-monospace" style="max-height: 250px; overflow-y: auto;">{{ json_encode($log->new_values, JSON_PRETTY_PRINT) }}</pre>
                                                        </div>
                                                    @endif
                                                </div>
                                            </div>
                                            <div class="modal-footer py-1">
                                                <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">Close</button>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            @else
                                <span class="text-muted small">&mdash;</span>
                            @endif
                        </td>
                    </tr>
                @empty
                    <tr>
                        <td colspan="7" class="text-center py-5 text-muted">
                            <i class="bi bi-shield-check" style="font-size: 2.5rem;"></i>
                            <h5 class="mt-2">No audit logs found</h5>
                        </td>
                    </tr>
                @endforelse
            </tbody>
        </table>
    </div>

    @if($logs->hasPages())
        <div class="p-3 border-top">
            {{ $logs->links('pagination::bootstrap-5') }}
        </div>
    @endif
</div>
@endsection