From b70929c0c9ccdd9b7cb3f2a0df6e391699953c09 Mon Sep 17 00:00:00 2001
From: limina1 <liminal@duck.com>
Date: Tue, 15 Jul 2025 00:14:57 -0400
Subject: [PATCH] Add editor, preview and publishing capabilities

---
 src/app.css                            |   1 +
 src/lib/components/Navigation.svelte   |   1 +
 src/lib/components/ZettelEditor.svelte | 154 +++++++++++++++++++++++++
 src/lib/services/publisher.ts          | 113 ++++++++++++++++++
 src/lib/utils/ZettelParser.ts          | 109 +++++++++++++++++
 src/routes/new/compose/+page.svelte    | 106 ++++++++++++++---
 src/styles/asciidoc.css                |  53 +++++++++
 7 files changed, 518 insertions(+), 19 deletions(-)
 create mode 100644 src/lib/components/ZettelEditor.svelte
 create mode 100644 src/lib/services/publisher.ts
 create mode 100644 src/lib/utils/ZettelParser.ts
 create mode 100644 src/styles/asciidoc.css

diff --git a/src/app.css b/src/app.css
index 21e1a48..5b9826b 100644
--- a/src/app.css
+++ b/src/app.css
@@ -3,6 +3,7 @@
 @import './styles/publications.css';
 @import './styles/visualize.css';
 @import "./styles/events.css";
+@import './styles/asciidoc.css';
 
 /* Custom styles */
 @layer base {
diff --git a/src/lib/components/Navigation.svelte b/src/lib/components/Navigation.svelte
index 4fefd1a..f78e36e 100644
--- a/src/lib/components/Navigation.svelte
+++ b/src/lib/components/Navigation.svelte
@@ -24,6 +24,7 @@
   </div>
   <NavUl class="ul-leather">
     <NavLi href="/">Publications</NavLi>
+    <NavLi href="/new/compose">Compose</NavLi>
     <NavLi href="/visualize">Visualize</NavLi>
     <NavLi href="/start">Getting Started</NavLi>
     <NavLi href="/events">Events</NavLi>
diff --git a/src/lib/components/ZettelEditor.svelte b/src/lib/components/ZettelEditor.svelte
new file mode 100644
index 0000000..b87e0bf
--- /dev/null
+++ b/src/lib/components/ZettelEditor.svelte
@@ -0,0 +1,154 @@
+<script lang='ts'>
+  import { Textarea, Button } from "flowbite-svelte";
+  import { EyeOutline } from "flowbite-svelte-icons";
+  import { parseAsciiDocSections, type ZettelSection } from '$lib/utils/ZettelParser';
+  import asciidoctor from 'asciidoctor';
+
+  // Component props
+  let { 
+    content = '', 
+    placeholder =`== Note Title
+:author: {author} // author is optional
+:tags: tag1, tag2, tag3 // tags are optional
+
+note content here...
+
+== Note Title 2
+:tags: tag1, tag2, tag3
+Note content here...
+    `,
+    showPreview = false,
+    onContentChange = (content: string) => {},
+    onPreviewToggle = (show: boolean) => {}
+  } = $props<{
+    content?: string;
+    placeholder?: string;
+    showPreview?: boolean;
+    onContentChange?: (content: string) => void;
+    onPreviewToggle?: (show: boolean) => void;
+  }>();
+
+  // Initialize AsciiDoctor processor
+  const asciidoctorProcessor = asciidoctor();
+  
+  // Parse sections for preview
+  let parsedSections = $derived(parseAsciiDocSections(content, 2));
+  
+
+
+  // Toggle preview panel
+  function togglePreview() {
+    const newShowPreview = !showPreview;
+    onPreviewToggle(newShowPreview);
+  }
+
+  // Handle content changes
+  function handleContentChange(event: Event) {
+    const target = event.target as HTMLTextAreaElement;
+    onContentChange(target.value);
+  }
+</script>
+
+<div class="flex flex-col space-y-4">
+  <div class="flex items-center justify-between">
+    <Button 
+      color="light" 
+      size="sm" 
+      on:click={togglePreview}
+      class="flex items-center space-x-1"
+    >
+      {#if showPreview}
+        <EyeOutline class="w-4 h-4" />
+        <span>Hide Preview</span>
+      {:else}
+        <EyeOutline class="w-4 h-4" />
+        <span>Show Preview</span>
+      {/if}
+    </Button>
+  </div>
+
+  <div class="flex space-x-4 {showPreview ? 'h-96' : ''}">
+    <!-- Editor Panel -->
+    <div class="{showPreview ? 'w-1/2' : 'w-full'} flex flex-col space-y-4">
+      <div class="flex-1">
+        <Textarea
+          bind:value={content}
+          on:input={handleContentChange}
+          {placeholder}
+          class="h-full min-h-64 resize-none"
+          rows={12}
+        />
+      </div>
+    </div>
+
+    <!-- Preview Panel -->
+    {#if showPreview}
+      <div class="w-1/2 border-l border-gray-200 dark:border-gray-700 pl-4">
+        <div class="sticky top-4">
+          <h3 class="text-lg font-semibold mb-4 text-gray-900 dark:text-gray-100">
+            AsciiDoc Preview
+          </h3>
+          
+          <div class="bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg p-4 max-h-80 overflow-y-auto">
+            {#if !content.trim()}
+              <div class="text-gray-500 dark:text-gray-400 text-sm">
+                Start typing to see the preview...
+              </div>
+            {:else}
+              <div class="prose prose-sm dark:prose-invert max-w-none">
+                {#each parsedSections as section, index}
+                  <div class="mb-6">
+                    <div class="text-sm text-gray-800 dark:text-gray-200 asciidoc-content">
+                      {@html asciidoctorProcessor.convert(`== ${section.title}\n\n${section.content}`, { 
+                        standalone: false,
+                        doctype: 'article',
+                        attributes: {
+                          'showtitle': true,
+                          'sectids': true
+                        }
+                      })}
+                    </div>
+                    
+                    {#if index < parsedSections.length - 1}
+                      <!-- Gray area with tag bubbles above event boundary -->
+                      <div class="my-4 relative">
+                        <!-- Gray background area -->
+                        <div class="bg-gray-200 dark:bg-gray-700 rounded-lg p-3 mb-2">
+                          <div class="flex flex-wrap gap-2 items-center">
+                            {#if section.tags && section.tags.length > 0}
+                              {#each section.tags as tag}
+                                <div class="bg-amber-900 text-amber-100 px-2 py-1 rounded-full text-xs font-medium flex items-center">
+                                  <span class="font-mono">{tag[0]}:</span>
+                                  <span>{tag[1]}</span>
+                                </div>
+                              {/each}
+                            {:else}
+                              <span class="text-gray-500 dark:text-gray-400 text-xs italic">No tags</span>
+                            {/if}
+                          </div>
+                        </div>
+                        
+                        <!-- Event boundary line -->
+                        <div class="border-t-2 border-dashed border-blue-400 relative">
+                          <div class="absolute -top-2 left-1/2 transform -translate-x-1/2 bg-blue-100 dark:bg-blue-900 text-blue-800 dark:text-blue-200 px-2 py-1 rounded text-xs font-medium">
+                            Event Boundary
+                          </div>
+                        </div>
+                      </div>
+                    {/if}
+                  </div>
+                {/each}
+              </div>
+              
+              <div class="mt-4 text-xs text-gray-600 dark:text-gray-400 bg-gray-50 dark:bg-gray-900 p-2 rounded border">
+                <strong>Event Count:</strong> {parsedSections.length} event{parsedSections.length !== 1 ? 's' : ''}
+                <br>
+                <strong>Note:</strong> Currently only the first event will be published.
+              </div>
+            {/if}
+          </div>
+        </div>
+      </div>
+    {/if}
+  </div>
+</div> 
\ No newline at end of file
diff --git a/src/lib/services/publisher.ts b/src/lib/services/publisher.ts
new file mode 100644
index 0000000..b286688
--- /dev/null
+++ b/src/lib/services/publisher.ts
@@ -0,0 +1,113 @@
+import { get } from 'svelte/store';
+import { ndkInstance } from '$lib/ndk';
+import { getMimeTags } from '$lib/utils/mime';
+import { parseAsciiDocSections, type ZettelSection } from '$lib/utils/ZettelParser';
+import { NDKRelaySet, NDKEvent } from '@nostr-dev-kit/ndk';
+import { nip19 } from 'nostr-tools';
+
+export interface PublishResult {
+  success: boolean;
+  eventId?: string;
+  error?: string;
+}
+
+export interface PublishOptions {
+  content: string;
+  kind?: number;
+  onSuccess?: (eventId: string) => void;
+  onError?: (error: string) => void;
+}
+
+/**
+ * Publishes AsciiDoc content as Nostr events
+ * @param options - Publishing options
+ * @returns Promise resolving to publish result
+ */
+export async function publishZettel(options: PublishOptions): Promise<PublishResult> {
+  const { content, kind = 30041, onSuccess, onError } = options;
+  
+  if (!content.trim()) {
+    const error = 'Please enter some content';
+    onError?.(error);
+    return { success: false, error };
+  }
+
+  // Get the current NDK instance from the store
+  const ndk = get(ndkInstance);
+  
+  if (!ndk?.activeUser) {
+    const error = 'Please log in first';
+    onError?.(error);
+    return { success: false, error };
+  }
+
+  try {
+    // Parse content into sections
+    const sections = parseAsciiDocSections(content, 2);
+    
+    if (sections.length === 0) {
+      throw new Error('No valid sections found in content');
+    }
+
+    // For now, publish only the first section
+    const firstSection = sections[0];
+    const title = firstSection.title;
+    const cleanContent = firstSection.content;
+    const sectionTags = firstSection.tags || [];
+
+
+    // Generate d-tag and create event
+    const dTag = generateDTag(title);
+    const [mTag, MTag] = getMimeTags(kind);
+    
+    const tags: string[][] = [
+      ['d', dTag],
+      mTag,
+      MTag,
+      ['title', title]
+    ];
+    if (sectionTags) {
+        tags.push(...sectionTags);
+    }
+
+    // Create and sign NDK event
+    const ndkEvent = new NDKEvent(ndk);
+    ndkEvent.kind = kind;
+    ndkEvent.created_at = Math.floor(Date.now() / 1000);
+    ndkEvent.tags = tags;
+    ndkEvent.content = cleanContent;
+    ndkEvent.pubkey = ndk.activeUser.pubkey;
+
+    await ndkEvent.sign();
+
+    // Publish to relays
+    const allRelayUrls = Array.from(ndk.pool?.relays.values() || []).map(r => r.url);
+    
+    if (allRelayUrls.length === 0) {
+      throw new Error('No relays available in NDK pool');
+    }
+    
+    const relaySet = NDKRelaySet.fromRelayUrls(allRelayUrls, ndk);
+    const publishedToRelays = await ndkEvent.publish(relaySet);
+    
+    if (publishedToRelays.size > 0) {
+      const result = { success: true, eventId: ndkEvent.id };
+      onSuccess?.(ndkEvent.id);
+      return result;
+    } else {
+      // Try fallback publishing logic here...
+      throw new Error('Failed to publish to any relays');
+    }
+  } catch (error) {
+    const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+    onError?.(errorMessage);
+    return { success: false, error: errorMessage };
+  }
+}
+
+function generateDTag(title: string): string {
+  return title
+    .toLowerCase()
+    .replace(/[^\w\s-]/g, '')
+    .replace(/\s+/g, '-');
+} 
\ No newline at end of file
diff --git a/src/lib/utils/ZettelParser.ts b/src/lib/utils/ZettelParser.ts
new file mode 100644
index 0000000..10d236f
--- /dev/null
+++ b/src/lib/utils/ZettelParser.ts
@@ -0,0 +1,109 @@
+import { ndkInstance } from '$lib/ndk';
+import { signEvent, getEventHash } from '$lib/utils/nostrUtils';
+import { getMimeTags } from '$lib/utils/mime';
+import { standardRelays } from '$lib/consts';
+import { nip19 } from 'nostr-tools';
+
+export interface ZettelSection {
+  title: string;
+  content: string;
+  tags?: string[][];
+}
+
+/**
+ * Splits AsciiDoc content into sections at the specified heading level.
+ * Each section starts with the heading and includes all lines up to the next heading of the same level.
+ * @param content The AsciiDoc string.
+ * @param level The heading level (2 for '==', 3 for '===', etc.).
+ * @returns Array of section strings, each starting with the heading.
+ */
+export function splitAsciiDocByHeadingLevel(content: string, level: number): string[] {
+  if (level < 1 || level > 6) throw new Error('Heading level must be 1-6');
+  const heading = '^' + '='.repeat(level) + ' ';
+  const regex = new RegExp(`(?=${heading})`, 'gm'); 
+  return content
+    .split(regex)
+    .map(section => section.trim())
+    .filter(section => section.length > 0);
+}
+
+/**
+ * Parses a single AsciiDoc section string into a ZettelSection object.
+ * @param section The section string (must start with heading).
+ */
+export function parseZettelSection(section: string): ZettelSection {
+  const lines = section.split('\n');
+  let title = 'Untitled';
+  let contentLines: string[] = [];
+  let inHeader = true;
+  let tags: string[][] = [];
+  tags = extractTags(section);
+
+
+  for (const line of lines) {
+    const trimmed = line.trim();
+    if (inHeader && trimmed.startsWith('==')) {
+      title = trimmed.replace(/^==+/, '').trim();
+      continue;
+    }
+    else if (inHeader && trimmed.startsWith(':')) {
+      continue;
+    }
+
+    inHeader = false;
+    contentLines.push(line);
+  }
+
+  return {
+    title,
+    content: contentLines.join('\n').trim(),
+    tags,
+  };
+}
+
+/**
+ * Parses AsciiDoc into an array of ZettelSection objects at the given heading level.
+ */
+export function parseAsciiDocSections(content: string, level: number): ZettelSection[] {
+  return splitAsciiDocByHeadingLevel(content, level).map(parseZettelSection);
+}
+
+/**
+ * Extracts tag names and values from the content.
+ * :tagname: tagvalue // tags are optional
+ * @param content The AsciiDoc string.
+ * @returns Array of tags.
+ */
+export function extractTags(content: string): string[][] {
+    const tags : string[][] = [];
+    const lines = content.split('\n');
+    
+    for (const line of lines) {
+        const trimmed = line.trim();
+        if (trimmed.startsWith(':')) {
+            // Parse AsciiDoc attribute format: :tagname: value
+            const match = trimmed.match(/^:([^:]+):\s*(.*)$/);
+            if (match) {
+                const tagName = match[1].trim();
+                const tagValue = match[2].trim();
+                
+                // Special handling for tags attribute
+                if (tagName === 'tags') {
+                    // Split comma-separated values and create individual "t" tags
+                    const tagValues = tagValue.split(',').map(v => v.trim()).filter(v => v.length > 0);
+                    for (const value of tagValues) {
+                        tags.push(['t', value]);
+                    }
+                } else {
+                    // Regular attribute becomes a tag
+                    tags.push([tagName, tagValue]);
+                }
+            }
+        }
+    }
+    
+    console.log('Extracted tags:', tags);
+    return tags;
+}
+// You can add publishing logic here as needed, e.g.,
+// export async function publishZettelSection(...) { ... }
\ No newline at end of file
diff --git a/src/routes/new/compose/+page.svelte b/src/routes/new/compose/+page.svelte
index d1db98e..475ab2b 100644
--- a/src/routes/new/compose/+page.svelte
+++ b/src/routes/new/compose/+page.svelte
@@ -1,24 +1,92 @@
+
 <script lang='ts'>
-  import Preview from "$lib/components/Preview.svelte";
-  import { pharosInstance } from "$lib/parser";
-  import { Heading } from "flowbite-svelte";
-
-  let treeNeedsUpdate: boolean = false;
-  let treeUpdateCount: number = 0;
-  let someIndexValue = 0;
-
-  $: {
-    if (treeNeedsUpdate) {
-      treeUpdateCount++;
-    }
+  import { Heading, Button, Alert } from "flowbite-svelte";
+  import { PaperPlaneOutline } from "flowbite-svelte-icons";
+  import ZettelEditor from '$lib/components/ZettelEditor.svelte';
+  import { goto } from "$app/navigation";
+  import { nip19 } from "nostr-tools";
+  import { publishZettel } from '$lib/services/publisher';
+
+  let content = $state('');
+  let showPreview = $state(false);
+  let isPublishing = $state(false);
+  let publishResult = $state<{ success: boolean; eventId?: string; error?: string } | null>(null);
+
+  // Handle content changes from ZettelEditor
+  function handleContentChange(newContent: string) {
+    content = newContent;
+  }
+
+  // Handle preview toggle from ZettelEditor
+  function handlePreviewToggle(show: boolean) {
+    showPreview = show;
+  }
+
+  async function handlePublish() {
+    isPublishing = true;
+    publishResult = null;
+
+    const result = await publishZettel({
+      content,
+      onSuccess: (eventId) => {
+        publishResult = { success: true, eventId };
+        const nevent = nip19.neventEncode({ id: eventId });
+        goto(`/events?id=${nevent}`);
+      },
+      onError: (error) => {
+        publishResult = { success: false, error };
+      }
+    });
+
+    isPublishing = false;
   }
 </script>
 
-<div class='w-full flex justify-center'>
-  <main class='main-leather flex flex-col space-y-4 max-w-2xl w-full mt-4 mb-4'>
-    <Heading tag='h1' class='h-leather mb-2'>Compose</Heading>
-    {#key treeUpdateCount}
-      <Preview rootId={$pharosInstance.getRootIndexId()} allowEditing={true} bind:needsUpdate={treeNeedsUpdate} index={someIndexValue} />
-    {/key}
-  </main>
+<svelte:head>
+  <title>Compose Note - Alexandria</title>
+</svelte:head>
+
+<!-- Main container with 75% width and centered -->
+<div class="w-3/4 mx-auto">
+  <div class="flex flex-col space-y-4">
+    <Heading tag="h1" class="text-2xl font-bold text-gray-900 dark:text-gray-100">
+      Compose Notes
+    </Heading>
+
+    <ZettelEditor 
+      {content}
+      {showPreview}
+      onContentChange={handleContentChange}
+      onPreviewToggle={handlePreviewToggle}
+    />
+
+    <!-- Publish Button -->
+    <Button 
+      on:click={handlePublish} 
+      disabled={isPublishing || !content.trim()}
+      class="w-full"
+    >
+      {#if isPublishing}
+        Publishing...
+      {:else}
+        <PaperPlaneOutline class="w-4 h-4 mr-2" />
+        Publish 
+      {/if}
+    </Button>
+
+    <!-- Status Messages -->
+    {#if publishResult}
+      {#if publishResult.success}
+        <Alert color="green" dismissable>
+          <span class="font-medium">Success!</span> 
+          Event published successfully. Event ID: {publishResult.eventId}
+        </Alert>
+      {:else}
+        <Alert color="red" dismissable>
+          <span class="font-medium">Error!</span> 
+          {publishResult.error}
+        </Alert>
+      {/if}
+    {/if}
+  </div>
 </div>
diff --git a/src/styles/asciidoc.css b/src/styles/asciidoc.css
new file mode 100644
index 0000000..a82ed5e
--- /dev/null
+++ b/src/styles/asciidoc.css
@@ -0,0 +1,53 @@
+/* AsciiDoc Content Styling */
+/* These styles are for rendered AsciiDoc content in previews and publications */
+
+.asciidoc-content h1,
+.asciidoc-content h2,
+.asciidoc-content h3,
+.asciidoc-content h4,
+.asciidoc-content h5,
+.asciidoc-content h6 {
+  font-weight: bold;
+  margin-top: 1.5em;
+  margin-bottom: 0.5em;
+  line-height: 1.25;
+  color: inherit;
+}
+
+.asciidoc-content h1 {
+  font-size: 1.875rem;
+}
+
+.asciidoc-content h2 {
+  font-size: 1.5rem;
+}
+
+.asciidoc-content h3 {
+  font-size: 1.25rem;
+}
+
+.asciidoc-content h4 {
+  font-size: 1.125rem;
+}
+
+.asciidoc-content h5 {
+  font-size: 1rem;
+}
+
+.asciidoc-content h6 {
+  font-size: 0.875rem;
+}
+
+.asciidoc-content p {
+  margin-bottom: 1em;
+}
+
+/* Dark mode support */
+.dark .asciidoc-content h1,
+.dark .asciidoc-content h2,
+.dark .asciidoc-content h3,
+.dark .asciidoc-content h4,
+.dark .asciidoc-content h5,
+.dark .asciidoc-content h6 {
+  color: inherit;
+} 
\ No newline at end of file