{{define "article_form"}}
{{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" id="articleSessionToken" 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}}" required
                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（管理员工作区；后端两者均支持，作者页暂无入口） -->
        {{if not .FormIsMy}}
        <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>
        {{end}}

        <!-- Attachments -->
        {{template "article_attachments" .}}

        <!-- 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（管理员工作区：普通作者不可置顶全站文章，SECURITY_TODO #31） -->
        {{if not .FormIsMy}}
        <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>
        {{end}}

        {{if .FormIsMy}}
        <!-- My workspace：状态下拉 + 保存/取消 -->
        <div>
            <label class="block text-sm font-medium text-gray-700 mb-1">{{index .Tr "article_field_status"}}</label>
            <select name="status"
                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">
                <option value="0" {{if eq .FormStatus "0"}}selected{{end}}>{{index .Tr "article_draft"}}</option>
                <option value="1" {{if eq .FormStatus "1"}}selected{{end}}>{{index .Tr "article_published"}}</option>
            </select>
        </div>
        <div class="flex gap-3">
            <button type="submit"
                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_save"}}
            </button>
            <a href="/my/articles"
                class="px-6 py-3 bg-gray-200 text-gray-700 rounded-lg font-medium hover:bg-gray-300 transition-colors">
                {{index .Tr "article_cancel"}}
            </a>
        </div>
        {{else}}
        <!-- Admin workspace：草稿/发布双按钮 -->
        <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>
        {{end}}
    </form>
</section>

{{template "footer" .}}

<script src="/static/js/article-attachments.js?v=1"></script>

<script>
// 工作区上下文：管理员 /api/admin/articles，作者 /api/my/articles。
// 新建页用 session_token，编辑页用 article_id。
var API_BASE = "{{if .FormIsMy}}/api/my/articles{{else}}/api/admin/articles{{end}}";
var sessEl = document.getElementById('articleSessionToken');
var ATT = {
    articleID: {{ if .FormArticleID }}{{ .FormArticleID }}{{ else }}0{{ end }},
    sessionToken: sessEl ? sessEl.value : '',
    uploadURL: API_BASE + '/attachments',
    listURL: API_BASE + '/:id/attachments'
};
// 顶层作用域：供表单提交（PUT/POST 路由选择）与附件共享逻辑共同使用。
var articleID = ATT.articleID;
var redirectBase = "{{if .FormIsMy}}/my/articles{{else}}/admin{{end}}";

// 编辑器“上传图片”按钮：选择本地图片 → 上传（files 表，type=attachments）→ 插入正文光标处。
function uploadImageAction(editor) {
    var input = document.createElement('input');
    input.type = 'file';
    input.accept = 'image/*';
    input.onchange = function () {
        var f = input.files && input.files[0];
        if (!f) return;
        blogUploadImage({ url: ATT.uploadURL, file: f, articleID: ATT.articleID, sessionToken: ATT.sessionToken })
            .then(function (r) {
                if (r.error) { blogShowError('articleError', r.error); return; }
                if (!r.is_image) { blogShowError('articleError', '{{index .Tr "article_image_not_image"}}'); return; }
                editor.codemirror.replaceSelection('![' + r.filename + '](' + r.url + ')\n');
                editor.codemirror.focus();
            });
    };
    input.click();
}

var easyMDE = new EasyMDE({
    element: document.getElementById('articleContent'),
    autoDownloadFontAwesome: false,
    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', { name: 'uploadImage', className: 'fa fa-image', title: '{{index .Tr "article_image_upload"}}', action: uploadImageAction }, 'code', 'table', '|',
        'preview', 'side-by-side', 'fullscreen', '|',
        'guide'
    ],
    status: false,
    minHeight: '300px'
});

// ---- Attachments（共享逻辑，见 static/js/article-attachments.js） ----
initArticleAttachments({
    uploadURL: ATT.uploadURL,
    listURL: ATT.listURL,
    editor: easyMDE,
    articleID: ATT.articleID,
    sessionToken: ATT.sessionToken,
    texts: {
        pick: '{{index .Tr "article_att_pick"}}',
        uploading: '{{index .Tr "article_att_uploading"}}',
        insert: '{{index .Tr "article_att_insert"}}',
        setCover: '{{index .Tr "article_att_set_cover"}}',
        coverSet: '{{index .Tr "article_att_cover_set"}}',
        del: '{{index .Tr "settings_delete"}}',
        delConfirm: '{{index .Tr "article_att_delete_confirm"}}',
        err: '{{index .Tr "article_att_error"}}'
    }
});

// ---- Article form submit（JSON API；admin 的草稿/发布按钮由 e.submitter 分流，
//      my 的 status 取自 select 字段） ----
(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_BASE + '/' + articleID : API_BASE;
        blogAPI(method, url, blogForm(form, btn)).then(function (r) {
            if (r.ok) { window.location.href = r.redirect || redirectBase; }
            else { blogShowError('articleError', r.error || 'Failed to save article.'); }
        });
    });
})();
</script>

{{end}}