markdown.ts

import {MarkdownForChainIdT, PROTOCOL_STEPS_ID, CHAINS} from 'types';
import {CHAINS_CONFIG} from 'lib/constants';
import path from 'path';
import fs from 'fs';

const MARKDOWN_PATH = path.resolve('markdown');

export function fetchMarkdownForChainId(chainId: CHAINS): MarkdownForChainIdT {
  const steps = CHAINS_CONFIG[chainId].steps.map((step) => step.id);

  return steps.reduce((markdownMap, stepId) => {
    // We have a special case for preface because it's common to every pathway
    const filePath =
      stepId === PROTOCOL_STEPS_ID.PREFACE
        ? path.join(MARKDOWN_PATH, `PREFACE.md`)
        : path.join(MARKDOWN_PATH, chainId, `${stepId}.md`);
    const fileContent = fs.readFileSync(filePath, 'utf-8');
    const markdown = fileContent.toString();
    markdownMap[stepId as PROTOCOL_STEPS_ID] = markdown;
    return markdownMap;
  }, {} as MarkdownForChainIdT);
}

export function getMarkdownForStepId(
  chainId: CHAINS,
  stepId: PROTOCOL_STEPS_ID,
): string {
  const filePath =
    stepId === PROTOCOL_STEPS_ID.PREFACE
      ? path.join(MARKDOWN_PATH, `PREFACE.md`)
      : path.join(MARKDOWN_PATH, chainId, `${stepId}.md`);

  const fileContent = fs.readFileSync(filePath, 'utf-8');
  const markdown = fileContent.toString();

  return markdown;
}