1// Code node: Platform configurations
2const platforms = {
3  twitter: {
4    maxLength: 280,
5    style: "concise, punchy, use hashtags",
6    format: "Short statement or question. Include 2-3 hashtags. Add emoji.",
7    example: "Just discovered how AI can automate 80% of email tasks... in 5 minutes. Thread below. #AI #Automation #n8n"
8  },
9  linkedin: {
10    maxLength: 3000,
11    style: "professional, thought-leadership, storytelling",
12    format: "Hook line, story/insight, key takeaway, CTA, hashtags",
13    example: "I spent 3 hours on emails yesterday. Today? 15 minutes.\n\nHere is what changed..."
14  },
15  facebook: {
16    maxLength: 2000, 
17    style: "conversational, engaging, community-focused",
18    format: "Relatable opener, value content, question for engagement",
19    example: "Anyone else drowning in emails? I found a solution that changed everything..."
20  },
21  instagram: {
22    maxLength: 2200,
23    style: "visual, inspirational, emoji-rich",
24    format: "Catchy first line, value points, CTA, 20-30 hashtags in comment",
25    example: "Stop wasting time on repetitive tasks. Start automating with AI."
26  }
27};
28
29return Object.entries(platforms).map(([name, config]) => ({
30  json: { platform: name, ...config, topic: $json.topic, content: $json.sourceContent }
31}));

1// OpenAI prompt (inside Loop node)
2const generatePrompt = `
3Create a ${$json.platform} post about: "${$json.topic}"
4
5Platform rules:
6- Max length: ${$json.maxLength} characters
7- Style: ${$json.style}
8- Format: ${$json.format}
9
10Source content for reference:
11${$json.content}
12
13Requirements:
141. Optimized for ${$json.platform} algorithm
152. Include clear CTA
163. Engaging first line (hook)
174. Natural, not robotic
18
19Return JSON:
20{
21  "post": "the post content",
22  "hashtags": ["tag1", "tag2"],
23  "bestTimeToPost": "suggested posting time",
24  "imagePrompt": "DALL-E prompt for accompanying image"
25}`;

1// Code node: Generate posting schedule
2const posts = $input.all();
3const schedule = [];
4
5const postingTimes = {
6  twitter: ["09:00", "12:30", "17:00"],
7  linkedin: ["08:00", "12:00"],
8  facebook: ["10:00", "15:00", "19:00"],
9  instagram: ["11:00", "14:00", "18:00"]
10};
11
12posts.forEach(post => {
13  const platform = post.json.platform;
14  const times = postingTimes[platform];
15  const time = times[0]; // First optimal time
16  
17  schedule.push({
18    platform,
19    content: post.json.post,
20    scheduledTime: time,
21    hashtags: post.json.hashtags,
22    status: "scheduled"
23  });
24});
25
26return schedule.map(s => ({ json: s }));

1// Generate 2 variations per platform
2const abPrompt = `
3Create 2 different versions of a ${$json.platform} post about "${$json.topic}".
4
5Version A: ${$json.approachA || "direct, benefit-focused"}
6Version B: ${$json.approachB || "storytelling, problem-solution"}
7
8Return JSON:
9{
10  "versionA": { "post": "...", "hook": "..." },
11  "versionB": { "post": "...", "hook": "..." }
12}`;

1// Webhook: Receive engagement data
2// Track which AI-generated posts perform best
3const engagement = {
4  postId: $json.postId,
5  platform: $json.platform,
6  likes: $json.likes,
7  comments: $json.comments,
8  shares: $json.shares,
9  engagementRate: ($json.likes + $json.comments + $json.shares) / $json.impressions
10};
11
12// Save to Google Sheets for analysis
13return engagement;