{{define "article_create"}}
{{template "header" .}}
{{template "markdown_assets" .}}

<section class="max-w-3xl mx-auto px-4 py-10">
    <h2 class="text-2xl font-bold text-gray-900 mb-8">{{.FormTitleText}}</h2>

    <div id="articleError" class="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg mb-6 text-sm {{if not .Error}}hidden{{end}}">
        {{.Error}}
    </div>

    <form id="articleForm" action="{{.FormAction}}" method="post" class="space-y-6">
        <input type="hidden" name="_csrf" value="{{.CSRFToken}}">
        <!-- Hidden: attachment ownership (token on create, id on edit) -->
        <input type="hidden" name="session_token" value="{{.SessionToken}}">

        <!-- Title -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_title"}}</label>
            <input type="text" name="title" value="{{.FormTitle}}"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
                placeholder="{{index .Tr "article_title"}}">
        </div>

        <!-- Slug -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_slug"}}</label>
            <input type="text" name="slug" value="{{.FormSlug}}"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
                placeholder="{{index .Tr "article_slug_hint"}}">
            <p class="text-xs text-gray-400 mt-1">{{index .Tr "article_slug_hint"}}</p>
        </div>

        <!-- Summary -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_summary"}}</label>
            <textarea name="summary" rows="3"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors resize-y"
                placeholder="{{index .Tr "article_summary"}}">{{.FormSummary}}</textarea>
        </div>

        <!-- Content (EasyMDE Markdown Editor) -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_content"}}</label>
            <textarea id="articleContent" name="content">{{.FormContent}}</textarea>
        </div>

        <!-- Cover -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_cover"}}</label>
            <input type="text" name="cover" value="{{.FormCover}}"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
                placeholder="https://...">
        </div>

        <!-- Tags -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_tags"}}</label>
            <input type="text" name="tags" value="{{.FormTags}}"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors"
                placeholder="{{index .Tr "article_tags_hint"}}">
            <p class="text-xs text-gray-400 mt-1">{{index .Tr "article_tags_hint"}}</p>
        </div>

        <!-- Attachments -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_attachments"}}</label>
            <div class="flex items-center gap-3 mb-3">
                <input type="file" id="attachmentInput" class="text-sm text-gray-600" disabled>
                <button type="button" id="attachmentUploadBtn"
                    class="px-4 py-2 bg-gray-200 text-gray-700 rounded-lg font-medium hover:bg-gray-300 transition-colors cursor-pointer disabled:opacity-50"
                    disabled>
                    {{index .Tr "article_upload"}}
                </button>
                <span id="attachmentMsg" class="text-xs text-gray-400"></span>
            </div>
            <table class="w-full text-left border border-gray-200 rounded-lg overflow-hidden">
                <thead class="bg-gray-50 border-b border-gray-200">
                    <tr>
                        <th class="px-3 py-2 text-xs font-semibold text-gray-600">{{index .Tr "article_att_name"}}</th>
                        <th class="px-3 py-2 text-xs font-semibold text-gray-600">{{index .Tr "article_att_size"}}</th>
                        <th class="px-3 py-2 text-xs font-semibold text-gray-600 text-right">{{index .Tr "settings_actions"}}</th>
                    </tr>
                </thead>
                <tbody id="attachmentList" class="divide-y divide-gray-100"></tbody>
            </table>
        </div>

        <!-- Published At -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_published_at"}}</label>
            <input type="datetime-local" name="published_at" value="{{.FormPublishedAt}}"
                class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-colors">
            <p class="text-xs text-gray-400 mt-1">{{index .Tr "article_published_at_hint"}}</p>
        </div>

        <!-- IsTop -->
        <div class="flex items-center gap-2">
            <input type="checkbox" name="is_top" value="1" id="isTopCheckbox" {{if .FormIsTop}}checked{{end}}
                class="w-4 h-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500">
            <label for="isTopCheckbox" class="text-sm font-medium text-gray-700">{{index .Tr "article_is_top"}}</label>
        </div>

        <!-- Submit Buttons -->
        <div class="flex gap-3">
            <button type="submit" name="status" value="0"
                class="px-6 py-3 bg-gray-200 text-gray-700 rounded-lg font-medium hover:bg-gray-300 transition-colors cursor-pointer">
                {{index .Tr "article_save_draft"}}
            </button>
            <button type="submit" name="status" value="1"
                class="px-6 py-3 bg-blue-600 text-white rounded-lg font-medium hover:bg-blue-700 transition-colors cursor-pointer">
                {{index .Tr "article_publish"}}
            </button>
        </div>
    </form>
</section>

{{template "footer" .}}

<script>
var easyMDE = new EasyMDE({
    element: document.getElementById('articleContent'),
    spellChecker: false,
    autosave: { enabled: false },
    placeholder: '{{index .Tr "article_content"}}',
    previewRender: function (plainText, preview) {
        return '<div class="md-body">' + BlogMD.render(plainText) + '</div>';
    },
    toolbar: [
        'bold', 'italic', 'heading', '|',
        'quote', 'unordered-list', 'ordered-list', '|',
        'link', 'image', 'code', 'table', '|',
        'preview', 'side-by-side', 'fullscreen', '|',
        'guide'
    ],
    status: false,
    minHeight: '300px'
});

// ---- Attachments ----
(function () {
    var articleID = {{ if .FormArticleID }}{{ .FormArticleID }}{{ else }}0{{ end }};
    var sessionToken = "{{ .SessionToken }}";
    var csrfTokenEl = document.querySelector('meta[name="csrf-token"]');
    var csrfToken = csrfTokenEl ? csrfTokenEl.getAttribute('content') : '';
    var uploadBtn = document.getElementById('attachmentUploadBtn');
    var fileInput = document.getElementById('attachmentInput');
    var msgEl = document.getElementById('attachmentMsg');
    var listEl = document.getElementById('attachmentList');

    // Enable the uploader (uploads allowed only while logged in, which is true here).
    uploadBtn.disabled = false;
    fileInput.disabled = false;

    function fmtSize(b) {
        if (b < 1024) return b + ' B';
        var u = ['KiB', 'MiB', 'GiB'], i = -1;
        do { b /= 1024; i++; } while (b >= 1024 && i < u.length - 1);
        return b.toFixed(1) + ' ' + u[i];
    }

    function addRow(att) {
        var tr = document.createElement('tr');
        tr.className = 'hover:bg-gray-50';
        tr.dataset.id = att.id;
        var nameTd = document.createElement('td');
        nameTd.className = 'px-3 py-2 text-sm text-gray-800';
        var link = document.createElement('a');
        link.href = att.url; link.target = '_blank'; link.textContent = att.filename;
        nameTd.appendChild(link);
        var sizeTd = document.createElement('td');
        sizeTd.className = 'px-3 py-2 text-sm text-gray-500';
        sizeTd.textContent = fmtSize(att.size);
        var actTd = document.createElement('td');
        actTd.className = 'px-3 py-2 text-sm text-right whitespace-nowrap';
        var insBtn = document.createElement('button');
        insBtn.type = 'button';
        insBtn.textContent = "{{index .Tr "article_att_insert"}}";
        insBtn.className = 'text-blue-600 hover:text-blue-800 font-medium mr-3 cursor-pointer bg-transparent border-none';
        insBtn.onclick = function () {
            var md = att.is_image
                ? '![' + att.filename + '](' + att.url + ')'
                : '[' + att.filename + '](' + att.url + ')';
            var cm = easyMDE.codemirror;
            cm.replaceSelection(md + '\n');
            cm.focus();
        };

        // Images: extra button to copy the URL into the cover field.
        var coverBtn = null;
        if (att.is_image) {
            coverBtn = document.createElement('button');
            coverBtn.type = 'button';
            coverBtn.textContent = "{{index .Tr "article_att_set_cover"}}";
            coverBtn.className = 'text-green-600 hover:text-green-800 font-medium mr-3 cursor-pointer bg-transparent border-none';
            coverBtn.onclick = function () {
                var cover = document.querySelector('input[name="cover"]');
                if (cover) { cover.value = att.url; msgEl.textContent = "{{index .Tr "article_att_cover_set"}}"; }
            };
        }
        var delBtn = document.createElement('button');
        delBtn.type = 'button';
        delBtn.textContent = "{{index .Tr "settings_delete"}}";
        delBtn.className = 'text-red-600 hover:text-red-800 font-medium cursor-pointer bg-transparent border-none';
        delBtn.onclick = function () {
            if (!confirm("{{index .Tr "article_att_delete_confirm"}}")) return;
            fetch('/api/admin/articles/attachments/' + att.id, {
                method: 'DELETE',
                headers: { 'X-CSRF-Token': csrfToken }
            })
                .then(function (r) { return r.json(); })
                .then(function (r) {
                    if (r.ok) { tr.remove(); }
                    else { msgEl.textContent = r.error || 'error'; }
                });
        };
        actTd.appendChild(insBtn);
        if (coverBtn) { actTd.appendChild(coverBtn); }
        actTd.appendChild(delBtn);
        tr.appendChild(nameTd);
        tr.appendChild(sizeTd);
        tr.appendChild(actTd);
        listEl.appendChild(tr);
    }

    uploadBtn.addEventListener('click', function () {
        if (!fileInput.files.length) { msgEl.textContent = "{{index .Tr "article_att_pick"}}"; return; }
        var fd = new FormData();
        fd.append('file', fileInput.files[0]);
        if (articleID) { fd.append('article_id', articleID); }
        else { fd.append('session_token', sessionToken); }
        msgEl.textContent = "{{index .Tr "article_att_uploading"}}";
        fetch('/api/admin/articles/attachments', {
            method: 'POST',
            headers: { 'X-CSRF-Token': csrfToken },
            body: fd
        })
            .then(function (r) { return r.json(); })
            .then(function (r) {
                if (r.error) { msgEl.textContent = r.error; return; }
                msgEl.textContent = '';
                addRow(r);
                fileInput.value = '';
            })
            .catch(function () { msgEl.textContent = "{{index .Tr "article_att_error"}}"; });
    });

    // Edit page: load existing attachments.
    if (articleID) {
        fetch('/api/admin/articles/' + articleID + '/attachments')
            .then(function (r) { return r.json(); })
            .then(function (r) {
                (r.attachments || []).forEach(addRow);
            });
    }
})();

// ---- Article form submit（JSON API；草稿/发布按钮由 e.submitter 分流） ----
(function () {
    var form = document.getElementById('articleForm');
    if (!form) return;
    form.addEventListener('submit', function (e) {
        e.preventDefault();
        var btn = e.submitter || null;
        // EasyMDE 隐藏了 textarea：先同步编辑器内容再提交。
        var ta = document.getElementById('articleContent');
        if (ta && easyMDE) { ta.value = easyMDE.value(); }
        var method = articleID ? 'PUT' : 'POST';
        var url = articleID ? '/api/admin/articles/' + articleID : '/api/admin/articles';
        blogAPI(method, url, blogForm(form, btn)).then(function (r) {
            if (r.ok) { window.location.href = r.redirect || '/admin'; }
            else { blogShowError('articleError', r.error || 'Failed to save article.'); }
        });
    });
})();
</script>

{{end}}