er-prepare-module-titles-and-code.ts

// Name: er-prepare-module-titles-and-code

import "@johnlindquist/kit"
import { readdir, readFile, stat } from "node:fs/promises";

let dir 
// dir =  "/Users/zacjones/Documents/01.Projects/Epic-React-v2/repos/react-fundamentals/exercises"

if (!dir) dir = await getSelectedDir()
if (!dir) dir = await drop("Select a Epic React v2 exercise directory")


console.log(await readdir(dir))

const getTitleFromMarkdownFile = (readme: string) => {
  let h1Match = readme.match(/^# (.+)$/m)
  let h1Title = h1Match ? h1Match[1] : 'No title found'
  return h1Title
}

let sectionItems = await readdir(dir)


async function isDirectory(path: string) {
  try {
    const stats = await stat(path);
    return stats.isDirectory();
  } catch (error) {
    console.warn(`Error checking if path is directory: ${path}`, error);
    return false;
  }
}

async function processModuleFiles(dir: string) {
  let exercises = await readdir(dir)
  let result = {}
  for (let exercise of exercises) {
    let exercisePath = dir + "/" + exercise

    
    if (exercise === "README.mdx") {
      let exerciseReadme = await readFile(exercisePath, "utf-8")
      console.log("Exercise title:", getTitleFromMarkdownFile(exerciseReadme))
    }

    if (exercise === "README.mdx" || exercise === "FINISHED.mdx") {
      continue
    } else {
      let exerciseReadme = await readFile(exercisePath + "/README.mdx", "utf-8")
      let exerciseTitle = getTitleFromMarkdownFile(exerciseReadme)

      if(!result.hasOwnProperty(exerciseTitle)) {
        result = {...result, [exerciseTitle]: {}}
      }
      // console.log("===", {exercise})
      let lessons = await readdir(exercisePath)
  
      for (let lesson of lessons) {
        let lessonPath = exercisePath + "/" + lesson
        

        if (lesson === "README.mdx") {
          
          let lessonReadme = await readFile(lessonPath, "utf-8")
          console.log("lesson title:", getTitleFromMarkdownFile(lessonReadme))
        }
        if (lesson === "FINISHED.mdx" || lesson === "README.mdx") {
          continue
        } else {
          let lessonTitle = getTitleFromMarkdownFile(await readFile(lessonPath + "/README.mdx", "utf-8"))

          if(!result[exerciseTitle].hasOwnProperty(lessonTitle)) {
            result[exerciseTitle] = {...result[exerciseTitle], [lessonTitle]: []}
          }
          // console.log("===", "===", {lesson})
          let lessonParts = await readdir(lessonPath)
  
          for (let lessonPart of lessonParts) {
            if (lessonPart === "README.mdx") {
              let lessonPartPath = lessonPath + "/" + lessonPart
              let lessonPartTitle = getTitleFromMarkdownFile(await readFile(lessonPartPath, "utf-8"))
              let exerciseNumber = exercise.split(".")[0]
              let [lessonNumber, lessonPartType] = lesson.split(".")
              // console.log("===", "===", "===", {lessonPart})
              result[exerciseTitle][lessonTitle].push({
                identifier: `${exerciseNumber}-${lessonNumber}`,
                code: `/${exerciseNumber}/${lessonNumber}/${lessonPartType}`,
                type: lessonPartType === "problem" ? "exercise" : "solution",
                title: lessonTitle
              })
              
            }
  
            
          }
        }
      }
    }

  }
  return result
}

// Call the function
const moduleObject = await processModuleFiles(dir);
console.log(JSON.stringify(moduleObject, null, 2));