@extends('user.user_dashboard')
@section('home')
    <style>
        /* Mobile-First Refinements */
        .study-container {
            padding-top: 20px;
        }

        .product-header {
            background: #fff;
            padding: 25px 20px;
            border-radius: 15px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            margin-bottom: 25px;
        }

        .study-accordion .card {
            border: none;
            margin-bottom: 15px;
            border-radius: 12px !important;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            background: #fff;
        }

        .study-accordion .card-header {
            background: transparent;
            padding: 0;
            border: none;
        }

        .chapter-link {
            display: flex;
            align-items: center;
            padding: 20px;
            text-decoration: none !important;
            width: 100%;
        }

        .chapter-label {
            font-size: 11px;
            font-weight: 800;
            text-transform: uppercase;
            color: #3182ce;
            letter-spacing: 0.5px;
            display: block;
            margin-bottom: 2px;
            flex-shrink: 0;
            width: 85px;
        }

        .chapter-title {
            font-size: 15px;
            font-weight: 700;
            color: #2d3748;
            line-height: 1.3;
            flex-grow: 1;
            padding-left: 10px;
            border-left: 2px solid #edf2f7;
        }

        .status-icon {
            font-size: 18px;
            color: #cbd5e0;
            margin-left: 10px;
        }



        .pdf-viewer-container {
            flex-grow: 1;
            background: #f1f5f9;
        }

        .pdf-frame {
            width: 100%;
            height: 100%;
            border: none;
        }

        /* -------------------------- */

        /* Tab Customization */
        .custom-tabs .nav-link {
            border: none;
            color: #718096;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
        }

        .custom-tabs .nav-link.active {
            color: #2d3748 !important;
            border-bottom: 3px solid #3182ce !important;
            background: transparent !important;
        }

        @media (max-width: 576px) {
            .chapter-link {
                padding: 15px;
            }

            .chapter-label {
                width: 75px;
                font-size: 10px;
            }

            .chapter-title {
                font-size: 14px;
            }
        }


        /* AUDIO + READER SWITCH BAR */
        .reader-toolbar {
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
            gap: 10px;
            padding: 12px 8px;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            position: sticky;
            top: 56px;
            /* sits nicely under modal header */
            z-index: 5;
        }

        .reader-toolbar audio {
            flex: 1;
            height: 36px;
        }

        .reader-toggle {
            display: flex;
            background: #edf2f7;
            border-radius: 999px;
            padding: 3px;
        }

        .reader-toggle button {
            border: none;
            background: transparent;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            color: #4a5568;
            transition: all 0.25s ease;
        }

        .reader-toggle button.active {
            background: #3182ce;
            color: #fff;
            box-shadow: 0 2px 6px rgba(49, 130, 206, 0.3);
        }

        /* Mobile refinement */
        @media (max-width: 576px) {
            .reader-toolbar {
                gap: 6px;
            }

            .reader-toggle button {
                padding: 6px 10px;
                font-size: 12px;
            }
        }
    </style>



    <!-- breadcrumb -->
    <section class="mobile-breadcrumb-light">

        <div class="container">

            <div class="d-flex align-items-center py-2">

                <!-- Back Button -->
                <a href="{{ route('user.enhanced.study.index', $product) }}"
                    class="btn btn-outline-dark btn-sm rounded-circle me-3">
                    <i class="la la-arrow-left"></i>
                </a>

                <!-- Page Title -->
                <div>
                    <h6 class="mb-0 fw-semibold text-dark">
                        Chapter Study
                    </h6>

                    <small class="text-muted">
                        <a href="{{ route('user.enhanced.study.index', $product) }}" class="text-muted text-decoration-none">
                            Enhanced Study </a> / Chapter Study
                    </small>
                </div>

            </div>

        </div>

    </section>
    <!-- end breadcrumb -->





    <div class="container-fluid bg-light pb-5" style="min-height: 80vh;">

        <div class="container study-container">

            <h6 class="mb-4 text-center" style="font-size: 16px; color: #1e293b; font-weight: 700;">
                {{ $study->chapter_title }}</h6>



            {{-- AUDIO + READER SWITCH --}}
            <div class="reader-toolbar">


                <audio class="study-audio" data-section="{{ $study->section }}" controls controlslist="nodownload"
                    oncontextmenu="return false">
                    <source src="" type="audio/mpeg">
                    Your browser does not support the audio element.
                </audio>

                <div class="reader-toggle">
                    <button type="button" class="active" onclick="showBasicReader({{ $study->id }}, this)">
                        Classic
                    </button>
                    <button type="button" onclick="showFlipReader({{ $study->id }}, this)">
                        Flip
                    </button>
                </div>

            </div>

            <div class="pdf-viewer-container">

                {{-- BASIC READER (DEFAULT) --}}
                <div id="basicReader{{ $study->id }}">
                    @if ($study->cloud_code)
                        <div id="viewer{{ $study->id }}" class="w-auto" style="height:700px;margin:10px auto;"></div>

                        @include('includes.cloud_beta', [
                            'viewerId' => 'viewer' . $study->id,
                            'cloudCode' => $study->cloud_code,
                        ])
                    @else
                        <div class="p-5 text-center">
                            <i class="la la-file-pdf text-muted mb-3" style="font-size: 50px;"></i>
                            <p class="text-muted">No content available.</p>
                        </div>
                    @endif
                </div>

                {{-- FLIP READER --}}
                <div id="flipReader{{ $study->id }}" style="display:none;">
                    @include('includes.flip_beta')
                </div>

            </div> <br>

            <div class="modal-footer border-top bg-white">
                <button type="button" class="btn btn-success btn-sm btn-block rounded-pill font-weight-bold">
                    Mark as Completed
                </button>
            </div>


        </div>

    </div>




    <!-- toggle button -->
    <script>
        function showBasicReader(id, btn) {
            document.getElementById('basicReader' + id).style.display = 'block';
            document.getElementById('flipReader' + id).style.display = 'none';

            toggleActive(btn);
        }

        function showFlipReader(id, btn) {
            document.getElementById('basicReader' + id).style.display = 'none';
            document.getElementById('flipReader' + id).style.display = 'block';

            toggleActive(btn);
        }

        function toggleActive(button) {
            const buttons = button.parentElement.querySelectorAll('button');
            buttons.forEach(b => b.classList.remove('active'));
            button.classList.add('active');
        }
    </script>



    <script>
        document.addEventListener("DOMContentLoaded", function() {

            // 1️⃣ Build section → audio URL map
            const audioBySection = {
                @foreach ($product->audio as $prodaudio)
                    "{{ $prodaudio->section }}": "{{ route('listen.audio.study', ['filename' => Crypt::encrypt(basename($prodaudio->product_audio))]) }}",
                @endforeach
            };

            // 2️⃣ Assign audio to the correct study player
            document.querySelectorAll('.study-audio').forEach(audio => {
                const section = audio.dataset.section;

                if (audioBySection[section]) {
                    const relativeUrl = new URL(audioBySection[section]).pathname;
                    audio.querySelector('source').src = relativeUrl;
                    audio.load();
                }
            });

        });
    </script>
@endsection