@extends('layouts.app')

@section('content')
<style>
    .main-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1280px;
        margin: 2rem auto 1rem;
        padding: 0 1rem;
    }

    .main-title {
        color: #005f77;
        font-size: 2rem;
        margin: 0;
    }

    .card-wrapper {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1rem 2rem;
    }

    .card {
        background-color: #ffffff;
        border-radius: 1rem;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid #e5e7eb;
    }

    .card-body {
        padding: 2rem;
    }

    .form-label {
        font-weight: 500;
        color: #374151;
        margin-bottom: 0.5rem;
        display: block;
        font-size: 0.95rem;
    }

    .form-control {
        border: 1px solid #d1d5db;
        border-radius: 0.5rem;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        width: 100%;
        background-color: #fff;
        transition: border-color 0.3s ease;
        font-family: inherit;
    }

    .form-control:focus {
        border-color: #005f77;
        outline: none;
        box-shadow: 0 0 0 3px rgba(0, 95, 119, 0.1);
    }

    textarea.form-control {
        resize: vertical;
        min-height: 300px;
    }

    .mb-3 {
        margin-bottom: 1.5rem;
    }

    .button-group {
        display: flex;
        gap: 0.75rem;
        margin-top: 2rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        border: none;
        border-radius: 0.5rem;
        font-weight: 600;
        cursor: pointer;
        font-size: 1rem;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    .btn-primary {
        background-color: #005f77;
        color: white;
    }

    .btn-primary:hover {
        background-color: #014f66;
    }

    .file-input-wrapper {
        position: relative;
        display: inline-block;
    }

    .file-input-label {
        display: inline-block;
        padding: 0.75rem 1rem;
        background-color: #f3f4f6;
        color: #374151;
        border: 1px solid #d1d5db;
        border-radius: 0.5rem;
        cursor: pointer;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .file-input-label:hover {
        background-color: #e5e7eb;
    }

    input[type="file"] {
        display: none;
    }

    .image-preview {
        margin-top: 1rem;
    }

    .image-preview img {
        max-width: 200px;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
    }

    .checkbox-label {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-weight: 500;
        color: #374151;
        cursor: pointer;
    }

    .checkbox-label input[type="checkbox"] {
        width: auto;
        margin: 0;
    }
</style>

<div class="main-header">
    <div style="display:flex; align-items:center; gap:0.5rem;">
        <x-back-button :url="route('admin.artikel.index')" />
        <h1 class="main-title">Edit Artikel</h1>
    </div>
</div>

<div class="card-wrapper">
    <div class="card">
        <div class="card-body">
            <form action="{{ route('admin.artikel.update', $artikel->id) }}" method="POST" enctype="multipart/form-data">
                @csrf
                @method('PUT')

                <div class="mb-3">
                    <label for="title" class="form-label">Judul Artikel</label>
                    <input type="text" name="title" id="title" class="form-control" value="{{ old('title', $artikel->title) }}" required>
                </div>

                <div class="mb-3">
                    <label for="content" class="form-label">Konten</label>
                    <textarea name="content" id="content" class="form-control" required>{{ old('content', $artikel->content) }}</textarea>
                </div>

                @php
                    $selectedKategori = old('kategoris.0');
                    if (!$selectedKategori && isset($artikel->kategoris) && is_array($artikel->kategoris) && count($artikel->kategoris) > 0) {
                        $selectedKategori = is_array($artikel->kategoris[0]) ? ($artikel->kategoris[0]['name'] ?? '') : ($artikel->kategoris[0]->name ?? '');
                    }
                @endphp
                <div class="mb-3">
                    <label for="kategori" class="form-label">Kategori</label>
                    <select name="kategoris[]" id="kategori" class="form-control" required>
                        <option value="">-- Pilih Kategori --</option>
                        <option value="Pemahaman KMS" {{ $selectedKategori == 'Pemahaman KMS' ? 'selected' : '' }}>Pemahaman KMS</option>
                        <option value="Gizi" {{ $selectedKategori == 'Gizi' ? 'selected' : '' }}>Gizi</option>
                        <option value="Pola asuh" {{ $selectedKategori == 'Pola asuh' ? 'selected' : '' }}>Pola asuh</option>
                    </select>
                </div>

                <div class="mb-3">
                    <label for="image" class="form-label">Gambar (opsional)</label>
                    <div class="file-input-wrapper">
                        <label for="image" class="file-input-label" id="file-label">Chose File</label>
                        <input type="file" name="image" id="image" accept="image/*" onchange="previewImage(event)">
                    </div>
                    @if ($artikel->image)
                        <div class="image-preview" id="current-preview-container">
                            <p style="margin: 0 0 0.5rem 0; font-weight: 500; color: #374151;">Gambar Saat Ini:</p>
                            <img src="{{ config('services.api.storage_url') . '/' . $artikel->image }}" alt="Gambar Artikel">
                        </div>
                    @endif
                    <div class="image-preview" id="new-preview-container" style="display: none; margin-top: 1rem;">
                        <p style="margin: 0 0 0.5rem 0; font-weight: 500; color: #374151;">Pratinjau Gambar Baru:</p>
                        <img id="image-preview-element" src="" alt="Pratinjau Gambar">
                    </div>
                </div>

                <div class="mb-3">
                    <label class="checkbox-label">
                        <input type="checkbox" name="publish" value="1" {{ old('publish', $artikel->is_published ?? false) ? 'checked' : '' }}>
                        <span>Publikasikan sekarang</span>
                    </label>
                </div>

                <div class="button-group">
                    <button type="submit" class="btn btn-primary">Simpan Perubahan</button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    function previewImage(event) {
        const fileInput = event.target;
        const fileLabel = document.getElementById('file-label');
        const newPreviewContainer = document.getElementById('new-preview-container');
        const previewElement = document.getElementById('image-preview-element');
        const currentPreviewContainer = document.getElementById('current-preview-container');

        if (fileInput.files && fileInput.files[0]) {
            const file = fileInput.files[0];
            fileLabel.textContent = file.name;

            const reader = new FileReader();
            reader.onload = function(e) {
                previewElement.src = e.target.result;
                newPreviewContainer.style.display = 'block';
                if (currentPreviewContainer) {
                    currentPreviewContainer.style.opacity = '0.5';
                }
            };
            reader.readAsDataURL(file);
        } else {
            fileLabel.textContent = 'Chose File';
            newPreviewContainer.style.display = 'none';
            previewElement.src = '';
            if (currentPreviewContainer) {
                currentPreviewContainer.style.opacity = '1';
            }
        }
    }
</script>
@endsection