{{define "article"}}
{{template "header" .}}

<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dompurify/dist/purify.min.js"></script>

<section class="max-w-3xl mx-auto px-4 py-12">
    <div class="flex items-center justify-between mb-6">
        <a href="/" class="inline-flex items-center gap-1 text-sm text-gray-500 hover:text-blue-600 transition-colors">
            ← {{index .Tr "article_back_home"}}
        </a>
        {{if eq .Role "admin"}}
        <a href="/admin/articles/{{.Article.ID}}/edit"
           class="inline-flex items-center gap-1 text-sm px-3 py-1.5 rounded-md border border-blue-200 bg-blue-50 text-blue-700 hover:bg-blue-100 hover:border-blue-300 transition-colors"
           title="{{index .Tr "article_edit"}}">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/>
            </svg>
            {{index .Tr "article_edit"}}
        </a>
        {{end}}
    </div>

    <article>
        <h1 class="text-4xl font-extrabold text-gray-900 mb-3">{{.Article.Title}}</h1>
        <div class="flex items-center gap-3 text-sm text-gray-500 mb-8">
            {{if .Article.Author.Avatar}}
            <img src="/uploads/avatars/{{.Article.Author.Avatar}}" alt="avatar" class="w-7 h-7 rounded-full object-cover">
            {{end}}
            <span class="font-medium text-gray-700">{{.AuthorName}}</span>
            {{if .PublishedAt}}<span>·</span><span>{{.PublishedAt}}</span>{{end}}
        </div>

        {{if .Article.Cover}}
        <div class="rounded-xl overflow-hidden mb-8">
            <img src="{{.Article.Cover}}" alt="{{.Article.Title}}" class="w-full max-h-96 object-cover">
        </div>
        {{end}}

        <div id="articleBody" class="prose max-w-none text-gray-800"></div>
    </article>

    {{if .CommentError}}
    <div class="max-w-3xl mx-auto mt-8 bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg">{{.CommentError}}</div>
    {{end}}

    {{if .CommentConfig}}
    {{if .CommentConfig.Enabled}}
    <!-- Comments -->
    <section id="comments" class="mt-16">
        <h2 class="text-2xl font-bold text-gray-900 mb-6">{{index .Tr "comments_title"}}</h2>

        {{if .CommentNotice}}
        <div id="commentNotice" class="bg-blue-50 border border-blue-200 text-blue-700 px-4 py-3 rounded-lg mb-6">{{.CommentNotice}}</div>
        {{end}}

        <!-- Comment list -->
        <div id="commentList" class="space-y-4 mb-10">
            {{range .Comments}}
            {{template "comment_node" .}}
            {{else}}
            <p class="text-gray-400 text-sm py-6 text-center">{{index $.Tr "comments_empty"}}</p>
            {{end}}
        </div>

        <!-- Comment form -->
        <div id="commentFormWrap" class="bg-white rounded-xl border border-gray-200 shadow-sm p-6">
            <div id="replyIndicator" class="hidden mb-4 text-sm text-gray-600 bg-gray-50 border border-gray-200 rounded-lg px-3 py-2 flex items-center justify-between">
                <span id="replyTarget"></span>
                <button type="button" id="cancelReply" class="text-blue-600 hover:text-blue-800 font-medium bg-transparent border-none cursor-pointer">{{index .Tr "comments_cancel_reply"}}</button>
            </div>
            <form id="commentForm" action="/article/{{.Article.Slug}}/comments" method="post">
                <input type="hidden" name="parent_id" id="parent_id" value="{{.CommentForm.ParentID}}">
                <div class="grid grid-cols-1 sm:grid-cols-3 gap-4 mb-4">
                    <div>
                        <label class="block text-sm font-semibold text-gray-700 mb-1">{{index .Tr "comments_name"}} *</label>
                        <input type="text" name="name" maxlength="64" required value="{{.CommentForm.Name}}"
                            class="w-full border border-gray-300 rounded-lg px-3 py-2">
                    </div>
                    <div>
                        <label class="block text-sm font-semibold text-gray-700 mb-1">{{index .Tr "comments_email"}} *</label>
                        <input type="email" name="email" maxlength="255" required value="{{.CommentForm.Email}}"
                            class="w-full border border-gray-300 rounded-lg px-3 py-2">
                        <p class="text-xs text-gray-400 mt-1">{{index .Tr "comments_email_hint"}}</p>
                    </div>
                    <div>
                        <label class="block text-sm font-semibold text-gray-700 mb-1">{{index .Tr "comments_website"}}</label>
                        <input type="url" name="website" maxlength="255" value="{{.CommentForm.Website}}"
                            class="w-full border border-gray-300 rounded-lg px-3 py-2">
                    </div>
                </div>

                <!-- Toolbar -->
                <div class="flex items-center gap-2 mb-2 text-sm">
                    <button type="button" id="togglePreview" class="px-3 py-1 rounded border border-gray-300 hover:bg-gray-50 bg-white cursor-pointer">{{index .Tr "comments_preview"}}</button>
                    <details class="relative">
                        <summary class="px-3 py-1 rounded border border-gray-300 hover:bg-gray-50 bg-white cursor-pointer list-none">{{index .Tr "comments_emoji"}}</summary>
                        <div id="emojiPicker" class="absolute z-20 mt-2 bg-white border border-gray-200 rounded-lg shadow-lg p-3 grid grid-cols-8 gap-1 w-72 text-xl"></div>
                    </details>
                    <details class="relative">
                        <summary class="px-3 py-1 rounded border border-gray-300 hover:bg-gray-50 bg-white cursor-pointer list-none">{{index .Tr "comments_markdown_help"}}</summary>
                        <div class="absolute z-20 mt-2 bg-white border border-gray-200 rounded-lg shadow-lg p-3 text-xs text-gray-600 w-56 space-y-1">
                            <div><code>{{index .Tr "comments_markdown_bold"}}</code></div>
                            <div><code>{{index .Tr "comments_markdown_italic"}}</code></div>
                            <div><code>{{index .Tr "comments_markdown_code"}}</code></div>
                            <div><code>{{index .Tr "comments_markdown_link"}}</code></div>
                            <div><code>{{index .Tr "comments_markdown_quote"}}</code></div>
                        </div>
                    </details>
                    <label class="ml-auto inline-flex items-center gap-2 text-sm text-gray-700 cursor-pointer">
                        <input type="checkbox" name="is_private" value="1" {{if .CommentForm.IsPrivate}}checked{{end}} class="rounded border-gray-300 text-blue-600">
                        <span>{{index .Tr "comments_private"}}</span>
                        <span class="relative group">
                            <span class="text-gray-400 cursor-help">?</span>
                            <span class="absolute right-0 bottom-6 hidden group-hover:block bg-gray-800 text-white text-xs rounded px-2 py-1 w-48 z-30">{{index .Tr "comments_private_hint"}}</span>
                        </span>
                    </label>
                </div>

                <textarea name="content" id="commentContent" maxlength="{{.MaxCommentLength}}" required
                    placeholder="{{index .Tr "comments_content_ph"}}"
                    class="w-full border border-gray-300 rounded-lg px-3 py-2 min-h-32 font-mono text-sm">{{.CommentForm.Content}}</textarea>
                <div id="previewBox" class="hidden w-full border border-gray-200 rounded-lg px-3 py-2 min-h-32 prose prose-sm max-w-none bg-gray-50"></div>

                <div class="flex items-center justify-between mt-4">
                    <span id="charCount" class="text-xs text-gray-400"></span>
                    <button type="submit"
                        class="bg-blue-600 text-white px-6 py-2 rounded-lg font-medium hover:bg-blue-700 transition-colors">
                        {{index .Tr "comments_submit"}}
                    </button>
                </div>
            </form>
        </div>
    </section>
    {{end}}
    {{end}}
</section>

<script>
    // Article body
    var md = {{.Article.Content}};
    document.getElementById('articleBody').innerHTML = DOMPurify.sanitize(marked.parse(md));

    marked.setOptions({ mangle: false, headerIds: false });

    function renderCommentBodies() {
        document.querySelectorAll('.comment-body[data-md]').forEach(function (el) {
            if (el.dataset.rendered) return;
            var raw = el.getAttribute('data-md') || '';
            el.innerHTML = DOMPurify.sanitize(marked.parse(raw));
            el.dataset.rendered = '1';
        });
    }
    renderCommentBodies();

    // ---- Comment form: preview / emoji / reply ----
    // Auto-dismiss the one-time success/pending notice after a few seconds.
    (function () {
        var notice = document.getElementById('commentNotice');
        if (notice) {
            setTimeout(function () {
                notice.style.transition = 'opacity 500ms ease';
                notice.style.opacity = '0';
                setTimeout(function () { notice.remove(); }, 500);
            }, 4000);
        }
    })();

    (function () {
        var form = document.getElementById('commentForm');
        if (!form) return;
        var textarea = document.getElementById('commentContent');
        var previewBox = document.getElementById('previewBox');
        var togglePreview = document.getElementById('togglePreview');
        var parentIdInput = document.getElementById('parent_id');
        var replyIndicator = document.getElementById('replyIndicator');
        var replyTarget = document.getElementById('replyTarget');
        var cancelReply = document.getElementById('cancelReply');
        var charCount = document.getElementById('charCount');
        var formWrap = document.getElementById('commentFormWrap');
        var maxLen = {{.MaxCommentLength}};

        function updateCharCount() {
            charCount.textContent = (textarea.value.length + ' / ' + maxLen);
        }
        textarea.addEventListener('input', updateCharCount);
        updateCharCount();

        // Preview toggle
        togglePreview.addEventListener('click', function () {
            var previewing = previewBox.classList.toggle('hidden') === false;
            textarea.classList.toggle('hidden', previewing);
            if (previewing) {
                previewBox.innerHTML = DOMPurify.sanitize(marked.parse(textarea.value));
                togglePreview.textContent = '{{index .Tr "comments_edit"}}';
            } else {
                togglePreview.textContent = '{{index .Tr "comments_preview"}}';
            }
        });

        // Emoji picker
        var emojis = ["😀","😁","😂","🤣","😊","😍","😎","🤔","😢","😭","😡","😴","👍","👎","👏","🙏","💪","🎉","❤️","🔥","💯","✅","❌","⭐","✨","🌹","☕","🎁","💡","📌"];
        var picker = document.getElementById('emojiPicker');
        emojis.forEach(function (e) {
            var btn = document.createElement('button');
            btn.type = 'button';
            btn.textContent = e;
            btn.className = 'hover:bg-gray-100 rounded p-1 cursor-pointer bg-transparent border-none';
            btn.addEventListener('click', function () {
                insertAtCursor(textarea, e);
                textarea.focus();
                updateCharCount();
            });
            picker.appendChild(btn);
        });

        function insertAtCursor(field, text) {
            var start = field.selectionStart, end = field.selectionEnd;
            field.setRangeText(text, start, end, 'end');
        }

        // Reply buttons (event delegation, works for dynamically nested nodes)
        document.getElementById('commentList').addEventListener('click', function (e) {
            var btn = e.target.closest('.reply-btn');
            if (!btn) return;
            var id = btn.getAttribute('data-id');
            var name = btn.getAttribute('data-name');
            parentIdInput.value = id;
            replyTarget.textContent = '{{index .Tr "comments_replying_to"}}'.replace('%s', name);
            replyIndicator.classList.remove('hidden');
            // Move the form under the replied comment for context.
            var node = document.getElementById('comment-' + id);
            if (node) {
                node.appendChild(formWrap);
            }
            formWrap.scrollIntoView({ behavior: 'smooth', block: 'center' });
            textarea.focus();
        });

        cancelReply.addEventListener('click', function () {
            parentIdInput.value = '';
            replyIndicator.classList.add('hidden');
            document.getElementById('comments').insertBefore(formWrap, document.getElementById('commentList').nextSibling);
        });
    })();
</script>

{{template "footer" .}}
{{end}}