@extends('layouts.layoutapp')

@section('content')
<div class="main-content">
    <div class="row">
        <div class="col-12">
            <div class="card mb-4 mx-4">
                <div class="card-header pb-0">
                    <div class="d-flex flex-row justify-content-between">
                        <div>
                            <h5 class="mb-0">Edit Expense</h5>
                        </div>
                    </div>
                </div>
                <div class="card-body">
                    <form action="{{ route('expense-update') }}" method="POST" enctype="multipart/form-data">
                        @csrf
                        <input type="hidden" name="id" value="{{$expense->id}}">
                        <div class="row">
                            <div class="col-lg-6 mb-3">
                                <label for="category" class="form-label">Category:</label>
                                <select class="form-select" name="expense_category_id" required>
                                    <option value="" selected>Select Category</option>
                                    @foreach ($expense_category as $category)
                                        <option value="{{ $category->id }}" 
                                            {{ old('expense_category_id', $expense->expense_category_id) == $category->id ? 'selected' : '' }}>
                                            {{ $category->category_name }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('expense_category_id') 
                                    <span class="text-danger">{{ $message }}</span> 
                                @enderror
                            </div> 
                            <div class="col-lg-6 mb-3">
                                <label for="expenseName" class="form-label">Expense Name:</label>
                                <input type="text" id="expenseName" class="form-control" placeholder="Enter Expense Name" 
                                       name="expense_name" value="{{ old('expense_name', $expense->expense_name) }}" required>
                                @error('expense_name') 
                                    <span class="text-danger">{{ $message }}</span> 
                                @enderror
                            </div>
                            <div class="col-lg-6 mb-3">
                                <label for="expenseAmount" class="form-label">Amount:</label>
                                <input type="text" id="expenseAmount" class="form-control"  placeholder="Enter Expense Amount"
                                       name="expense_amount" value="{{ old('expense_amount', $expense->expense_amount) }}" required>
                                @error('expense_amount') 
                                    <span class="text-danger">{{ $message }}</span> 
                                @enderror
                            </div>
                            <div class="col-lg-6 mb-3">
                                <label for="expense_date" class="form-label">Expense Date:</label>
                                <input type="date" id="expense_date" class="form-control" 
                                       name="expense_date" value="{{ old('expense_date', $expense->expense_date) }}">
                                @error('expense_date') 
                                    <span class="text-danger">{{ $message }}</span> 
                                @enderror
                            </div>
                            
                            <div class="col-12 mb-3">
                                <label for="attachment" class="form-label">Attachment:</label>
                                <div class="d-flex align-items-center">
                                    <div class="avatar-upload me-5">
                                        <div class="avatar-preview">
                                            @if($expense->expense_attachment)
                                                @php
                                                    $fileExtension = pathinfo($expense->expense_attachment, PATHINFO_EXTENSION);
                                                    $isImage = in_array(strtolower($fileExtension), ['jpg', 'jpeg', 'png', 'gif', 'bmp']);
                                                @endphp
                                                
                                                @if($isImage)
                                                    <img src="{{ getFileUrl($expense->expense_attachment) }}" 
                                                         alt="Attachment Preview" class="img-fluid" style="height:50px; width:50px">
                                                @elseif(strtolower($fileExtension) === 'pdf')
                                                    <a href="{{ getFileUrl($expense->expense_attachment) }}" target="_blank">
                                                        <img src="{{ asset('assets/img/logos/pdf.png') }}" 
                                                             alt="PDF Preview" class="img-fluid" style="height:50px; width:50px">
                                                    </a>
                                                @else
                                                    <a href="{{ getFileUrl($expense->expense_attachment) }}" target="_blank">
                                                        <img src="{{ asset('assets/img/logos/file.png') }}" 
                                                             alt="File Preview" class="img-fluid" style="height:50px; width:50px">
                                                    </a>
                                                @endif
                                            @else
                                                <img src="{{ asset('assets/img/logos/attach.png') }}" 
                                                     alt="Default Attachment" class="img-fluid" style="height:50px; width:50px">
                                            @endif
                                        </div>
                                    </div>
                                    <div class="avatar-edit">
                                        <input type="file" id="attachment" class="form-control file-upload-input" 
                                               name="attachment" accept="image/*,application/pdf" onchange="previewFile(this)">
                                    </div>
                                </div>
                                @error('attachment')
                                    <span class="text-danger">{{ $message }}</span>
                                @enderror
                            </div>
                        </div>
                        <div class="d-flex justify-content-end mt-4">
                            <button type="submit" class="btn btn-primary me-2">Update Expense</button>
                            <a href="{{ route('expense-index') }}" class="btn btn-secondary">Cancel</a>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
    function previewFile(input) {
        const preview = document.querySelector('.avatar-preview img');
        const file = input.files[0];
        
        if (file) {
            const reader = new FileReader();

            reader.onloadend = function () {
                if (file.type.includes('image')) {
                    preview.src = reader.result;
                } else if (file.type.includes('pdf')) {
                    preview.src = "{{ asset('assets/img/logos/pdf.png') }}";
                } else {
                    preview.src = "{{ asset('assets/img/logos/file.png') }}";
                }
            }

            reader.readAsDataURL(file);
        } else {
            // If no file selected, show current attachment or default
            @if($expense->expense_attachment)
                @php
                    $fileExtension = pathinfo($expense->expense_attachment, PATHINFO_EXTENSION);
                    $isImage = in_array(strtolower($fileExtension), ['jpg', 'jpeg', 'png', 'gif', 'bmp']);
                @endphp
                
                @if($isImage)
                    preview.src = "{{ getFileUrl($expense->expense_attachment) }}";
                @elseif(strtolower($fileExtension) === 'pdf')
                    preview.src = "{{ asset('assets/img/logos/pdf.png') }}";
                @else
                    preview.src = "{{ asset('assets/img/logos/file.png') }}";
                @endif
            @else
                preview.src = "{{ asset('assets/img/logos/attach.png') }}";
            @endif
        }
    }
</script>
@endpush