@extends('layouts.app')

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <!-- Header -->
            <div class="d-flex justify-content-between align-items-center mb-4">
                <h2>
                    <i class="fas fa-receipt text-primary"></i> 
                    Expense Details
                </h2>
                <div>
                    <a href="{{ route('general_expenses.index') }}" class="btn btn-secondary">
                        <i class="fas fa-arrow-left"></i> Back to List
                    </a>
                    @if($general_expense->isPending())
                        <a href="{{ route('general_expenses.edit', $general_expense->id) }}" class="btn btn-primary">
                            <i class="fas fa-edit"></i> Edit
                        </a>
                    @endif
                </div>
            </div>

            <div class="row">
                <!-- Main Information Card -->
                <div class="col-lg-8">
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-primary text-white d-flex justify-content-between align-items-center">
                            <h5 class="mb-0 text-white">
                                <i class="fas fa-info-circle"></i> Expense Information
                            </h5>
                            <span class="badge bg-{{ $general_expense->status_color }}">
                                {{ $general_expense->status }}
                            </span>
                        </div>
                        <div class="card-body">
                            <div class="row">
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Expense Date</label>
                                    <p class="fw-bold">
                                        <i class="fas fa-calendar-alt text-primary"></i>
                                        {{ $general_expense->formatted_date }}
                                    </p>
                                </div>
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Reference</label>
                                    <p class="fw-bold">{{ $general_expense->reference ?? 'N/A' }}</p>
                                </div>
                            </div>

                            <div class="row">
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Supplier</label>
                                    <p class="fw-bold">
                                        <i class="fas fa-truck text-primary"></i>
                                        {{ $general_expense->supplier->name ?? 'N/A' }}
                                    </p>
                                </div>
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Expense Item</label>
                                    <p class="fw-bold">
                                        <i class="fas fa-tags text-primary"></i>
                                        {{ $general_expense->expenseItem->name ?? 'N/A' }}
                                    </p>
                                </div>
                            </div>

                            <div class="row">
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Payment Method</label>
                                    <p class="fw-bold">
                                        <i class="fas fa-credit-card text-primary"></i>
                                        {{ $general_expense->payment_method->name ?? 'N/A' }}
                                    </p>
                                </div>
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Amount</label>
                                    <h4 class="text-success mb-0">
                                        <i class="fas fa-money-bill-wave"></i>
                                        UGX {{ $general_expense->formatted_amount }}
                                    </h4>
                                </div>
                            </div>

                            <div class="row">
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Paid Amount</label>
                                    <p class="fw-bold text-info">UGX {{ number_format($general_expense->paid_amount, 2) }}</p>
                                </div>
                                <div class="col-md-6 mb-3">
                                    <label class="text-muted small">Balance</label>
                                    <p class="fw-bold text-danger">UGX {{ number_format($general_expense->balance, 2) }}</p>
                                </div>
                            </div>

                            @if($general_expense->narration)
                            <div class="row">
                                <div class="col-md-12 mb-3">
                                    <label class="text-muted small">Narration</label>
                                    <div class="alert alert-light border">
                                        {{ $general_expense->narration }}
                                    </div>
                                </div>
                            </div>
                            @endif

                            <hr>

                            <div class="row">
                                <div class="col-md-4 mb-2">
                                    <label class="text-muted small">Created By</label>
                                    <p class="mb-0">{{ $general_expense->user->name ?? 'N/A' }}</p>
                                </div>
                                <div class="col-md-4 mb-2">
                                    <label class="text-muted small">Created At</label>
                                    <p class="mb-0">{{ $general_expense->created_at->format('d-M-Y H:i:s') }}</p>
                                </div>
                                <div class="col-md-4 mb-2">
                                    <label class="text-muted small">Last Updated</label>
                                    <p class="mb-0">{{ $general_expense->updated_at->format('d-M-Y H:i:s') }}</p>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Audit Trail Card -->
                    @if($audits->count() > 0)
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-info text-white">
                            <h5 class="mb-0">
                                <i class="fas fa-history"></i> Audit Trail
                                <span class="badge bg-white text-info">{{ $audits->count() }}</span>
                            </h5>
                        </div>
                        <div class="card-body p-0">
                            <div class="table-responsive" style="max-height: 500px; overflow-y: auto;">
                                <table class="table table-hover table-striped mb-0">
                                    <thead class="table-light sticky-top">
                                        <tr>
                                            <th style="width: 15%;">Date/Time</th>
                                            <th style="width: 15%;">User</th>
                                            <th style="width: 10%;">Action</th>
                                            <th style="width: 40%;">Changes</th>
                                            <th style="width: 20%;">Remarks</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($audits as $audit)
                                        <tr>
                                            <td>
                                                <small>
                                                    <i class="fas fa-clock text-muted"></i>
                                                    {{ $audit->created_at->format('d-M-Y') }}<br>
                                                    {{ $audit->created_at->format('H:i:s') }}
                                                </small>
                                            </td>
                                            <td>
                                                <i class="fas fa-user text-muted"></i>
                                                {{ $audit->user->name ?? 'System' }}
                                            </td>
                                            <td>
                                                @php
                                                    $badgeClass = match($audit->action) {
                                                        'created' => 'success',
                                                        'updated' => 'info',
                                                        'deleted' => 'danger',
                                                        'approved' => 'primary',
                                                        default => 'secondary'
                                                    };
                                                    $icon = match($audit->action) {
                                                        'created' => 'plus-circle',
                                                        'updated' => 'edit',
                                                        'deleted' => 'trash-alt',
                                                        'approved' => 'check-circle',
                                                        default => 'circle'
                                                    };
                                                @endphp
                                                <span class="badge bg-{{ $badgeClass }}">
                                                    <i class="fas fa-{{ $icon }}"></i>
                                                    {{ ucfirst($audit->action) }}
                                                </span>
                                            </td>
                                            <td>
                                                @if($audit->action == 'created' && $audit->new_values)
                                                    <small>
                                                        <i class="fas fa-plus-circle text-success"></i>
                                                        Initial amount: <strong>UGX {{ number_format($audit->new_values['amount'] ?? 0, 2) }}</strong>
                                                    </small>
                                                @elseif($audit->action == 'updated' && $audit->old_values && $audit->new_values)
                                                    <small>
                                                        @php
                                                            $changes = [];
                                                            foreach($audit->new_values as $key => $newValue) {
                                                                $oldValue = $audit->old_values[$key] ?? null;
                                                                if($oldValue != $newValue) {
                                                                    $changes[$key] = ['old' => $oldValue, 'new' => $newValue];
                                                                }
                                                            }
                                                        @endphp
                                                        
                                                        @foreach($changes as $field => $change)
                                                            <div class="mb-1">
                                                                <strong>{{ ucfirst(str_replace('_', ' ', $field)) }}:</strong><br>
                                                                <span class="text-danger">
                                                                    <i class="fas fa-minus"></i>
                                                                    @if(in_array($field, ['amount', 'paid_amount', 'balance']))
                                                                        UGX {{ number_format($change['old'], 2) }}
                                                                    @else
                                                                        {{ $change['old'] }}
                                                                    @endif
                                                                </span>
                                                                <br>
                                                                <span class="text-success">
                                                                    <i class="fas fa-plus"></i>
                                                                    @if(in_array($field, ['amount', 'paid_amount', 'balance']))
                                                                        UGX {{ number_format($change['new'], 2) }}
                                                                    @else
                                                                        {{ $change['new'] }}
                                                                    @endif
                                                                </span>
                                                            </div>
                                                        @endforeach
                                                    </small>
                                                @else
                                                    <small class="text-muted">No changes recorded</small>
                                                @endif
                                            </td>
                                            <td>
                                                <small>{{ $audit->remarks ?? '-' }}</small>
                                            </td>
                                        </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                    @endif
                </div>

                <!-- Sidebar -->
                <div class="col-lg-4">
                    <!-- Quick Stats Card -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-dark text-white">
                            <h5 class="mb-0 text-white">
                                <i class="fas fa-chart-bar"></i> Summary
                            </h5>
                        </div>
                        <div class="card-body">
                            <div class="d-flex justify-content-between mb-3">
                                <span>Status:</span>
                                <strong>
                                    <span class="badge bg-{{ $general_expense->status_color }}">
                                        {{ $general_expense->status }}
                                    </span>
                                </strong>
                            </div>
                            <div class="d-flex justify-content-between mb-3">
                                <span>Total Amount:</span>
                                <strong class="text-success">UGX {{ $general_expense->formatted_amount }}</strong>
                            </div>
                            <div class="d-flex justify-content-between mb-3">
                                <span>Paid Amount:</span>
                                <strong class="text-info">UGX {{ number_format($general_expense->paid_amount, 2) }}</strong>
                            </div>
                            <div class="d-flex justify-content-between mb-3">
                                <span>Balance:</span>
                                <strong class="text-danger">UGX {{ number_format($general_expense->balance, 2) }}</strong>
                            </div>
                            <hr>
                            <div class="d-flex justify-content-between">
                                <span>Audit Entries:</span>
                                <strong>{{ $audits->count() }}</strong>
                            </div>
                        </div>
                    </div>

                    @if($general_expense->supplier)
                    <!-- Supplier Info Card -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-secondary text-white">
                            <h5 class="mb-0">
                                <i class="fas fa-truck"></i> Supplier Details
                            </h5>
                        </div>
                        <div class="card-body">
                            <h6 class="mb-2">{{ $general_expense->supplier->name }}</h6>
                            <div class="d-flex justify-content-between mb-2">
                                <span class="text-muted">Current Balance:</span>
                                <strong>UGX {{ number_format($general_expense->supplier->balance, 2) }}</strong>
                            </div>
                        </div>
                    </div>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@section('customcss')
<style>
    .card {
        border-radius: 8px;
        border: none;
    }
    
    .card-header {
        border-radius: 8px 8px 0 0 !important;
        font-weight: 600;
    }
    
    .badge {
        font-size: 0.85rem;
        padding: 0.4em 0.6em;
    }
    
    .sticky-top {
        position: sticky;
        top: 0;
        z-index: 10;
        background-color: #f8f9fa;
    }
    
    .table-hover tbody tr:hover {
        background-color: #f8f9fc;
    }
</style>
@endsection