// Name: Combine Markdown
// Description: Combines markdown files with supporting resources.
// Author: tayiorbeii
import { readFile, writeFile } from 'node:fs/promises';

const selectedFile = await path({
  message: "Select a markdown file (e.g., -part01.md)",
  onlyFiles: true,
});

if (!selectedFile) {
  console.error("No file selected.");
  process.exit(1);
}

const baseName = path.basename(selectedFile, ".md");
const dir = path.dirname(selectedFile);

const partFile = `${baseName}.md`;
const supportingFile = `${baseName}-supporting-prompts.md`;
const contrarianFile = `${baseName}-contrarian.md`;

const partContent = await readFile(path.join(dir, partFile), "utf-8");

let supportingContent = "";
// Check if the supporting file exists
if(await pathExists(path.join(dir, supportingFile))){
  const fileContent = await readFile(path.join(dir, supportingFile), "utf-8");
  const aiResponseIndex = fileContent.indexOf("# AI Response");

  // If "# AI Response" is found, extract the content after it; otherwise, use the entire content.
  supportingContent =
    aiResponseIndex !== -1
      ? fileContent.substring(aiResponseIndex + "# AI Response".length).trim()
      : fileContent;
}

let contrarianContent = "";
// Check if the contrarian file exists
if(await pathExists(path.join(dir, contrarianFile))){
   contrarianContent = await readFile(path.join(dir, contrarianFile), "utf-8");}

const combinedContent = `${partContent}

# Supporting Resources

${supportingContent}

# Contrarian Resources

${contrarianContent}
`;

const outputFileName = `${baseName}-combined.md`;
const outputPath = path.join(dir, outputFileName);

await writeFile(outputPath, combinedContent);
await edit(outputPath);