@extends('layouts.app')
@section('title', 'Audit Log')
@section('content')
<h4 class="mb-3">Audit Log</h4>
<p class="small text-muted">
    Every create/update/delete action on orders, payments, journal entries, products,
    staff accounts, and purchase orders is recorded here automatically — user, timestamp,
    and what changed. This log itself cannot be edited or deleted through the app.
</p>

<form class="row g-2 mb-3">
    <div class="col-auto">
        <select name="model_type" class="form-select form-select-sm">
            <option value="">All types</option>
            @foreach ($modelTypes as $t)
            <option value="{{ $t }}" {{ request('model_type') == $t ? 'selected' : '' }}>{{ $t }}</option>
            @endforeach
        </select>
    </div>
    <div class="col-auto">
        <select name="user_id" class="form-select form-select-sm">
            <option value="">All staff</option>
            @foreach ($users as $u)
            <option value="{{ $u->id }}" {{ request('user_id') == $u->id ? 'selected' : '' }}>{{ $u->name }}</option>
            @endforeach
        </select>
    </div>
    <div class="col-auto"><input type="date" name="from" value="{{ request('from') }}" class="form-control form-control-sm"></div>
    <div class="col-auto"><input type="date" name="to" value="{{ request('to') }}" class="form-control form-control-sm"></div>
    <div class="col-auto"><button class="btn btn-dark btn-sm">Filter</button></div>
</form>

<table class="table bg-white table-sm">
    <thead><tr><th>When</th><th>Staff</th><th>Action</th><th>Record</th><th>Changed</th></tr></thead>
    <tbody>
    @forelse ($logs as $log)
    <tr>
        <td class="text-nowrap">{{ $log->created_at->format('d M Y h:i A') }}</td>
        <td>{{ $log->user->name ?? 'System' }}</td>
        <td><span class="badge bg-secondary">{{ ucfirst($log->action) }}</span></td>
        <td>{{ $log->model_type }} #{{ $log->model_id }}</td>
        <td class="small">
            @if ($log->action === 'updated' && $log->new_values)
                @foreach ($log->new_values as $field => $newVal)
                    <div>{{ $field }}: <span class="text-muted">{{ is_scalar($log->old_values[$field] ?? null) ? $log->old_values[$field] : json_encode($log->old_values[$field] ?? null) }}</span> → {{ is_scalar($newVal) ? $newVal : json_encode($newVal) }}</div>
                @endforeach
            @endif
        </td>
    </tr>
    @empty
    <tr><td colspan="5" class="text-muted">No audit activity matches this filter.</td></tr>
    @endforelse
    </tbody>
</table>
{{ $logs->links() }}
@endsection