LinkedIn Thought Leadership & Engagement Post Writer

import { GoogleGenAI } from '@google/genai';

const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });

async function runPrompt(variables: Record<string, string>) {
  let promptText = `Write a LinkedIn post based on the following core insight.

Topic / Insight: {{main_insight}}
Target Audience: {{target_audience}}
Desired Call to Action: {{call_to_action}}

Formatting:
- Catchy opening line (hook)
- Short, punchy paragraphs
- 3 key bullet points
- Engaging closing question`;
  Object.entries(variables).forEach(([key, val]) => {
    promptText = promptText.replace(new RegExp(`{{\\s*${key}\\s*}}`, 'g'), val);
  });

  const response = await ai.models.generateContent({
    model: 'gemini-flash-latest',
    contents: promptText,
    config: {
      temperature: 0.7,
      systemInstruction: `You are a digital marketing strategist specializing in viral LinkedIn content and personal branding.`,
    },
  });

  return response.text;
}