scribbblr.js

const fs = require('fs')
const chalk = require('chalk')

const fetchScribbbles = () => {
  try {
    const scribbbles = fs.readFileSync('./scribbbles.json', 'utf8')
    return JSON.parse(scribbbles)
  } catch (err) {
    return []
  }
}

let scribbblesArr = fetchScribbbles()

const listScribbbles = () => {
  if (scribbblesArr.length < 1) {
    console.log(chalk.inverse.red('There are no scribbbles yet.'))
  } else {
    console.log(chalk.blue('Here are your scribbbles!\n'))

    scribbblesArr.forEach(scribbble => {
      console.log(`Title: ${scribbble.title}`)
      console.log(`Content: ${scribbble.content}`)
      console.log(`Date: ${scribbble.date}`)
      console.log(chalk.green('--------------------------------'))
    })
  }
}

const newScribbble = (title, content, date) => {
  if (findDuplicateTitle(title)) {
    console.log(
      chalk.red('This scribbble title already exist. Please try another.')
    )
  } else {
    scribbblesArr.push({ title: title, content: content, date: date })
    storeScribbbles(scribbblesArr)
    console.log(chalk.green('New scribbble saved successfully.'))
  }
}

const findDuplicateTitle = title => {
  return scribbblesArr.find(scribbble => scribbble.title === title)
}

const storeScribbbles = scribbbles => {
  const data = JSON.stringify(scribbbles)
  fs.writeFileSync('scribbbles.json', data)
}

const findScribbble = title => {
  const scribbble = getScribbble(scribbblesArr, title)

  if (scribbble) console.log(showScribbbleDetails(scribbble))
  else console.log('Scribbble does not exist.')
}

const getScribbble = (scribbbles, title) => {
  return scribbbles.find(scribbble => scribbble.title === title)
}

const showScribbbleDetails = scribbble => {
  const details = `
    Title: ${scribbble.title}
    Content: ${scribbble.content}
    Date: ${scribbble.date}
  `

  return details
}

const deleteScribbble = title => {
  const scribbblesToKeep = scribbblesArr.filter(
    scribbble => scribbble.title !== title
  )

  if (scribbblesArr.length === scribbblesToKeep.length)
    console.log(chalk.red('Scribbble does not exist.'))
  else {
    storeScribbbles(scribbblesToKeep)
    console.log(chalk.inverse.green('Scribbble has been deleted.'))
  }
}

module.exports = {
  listScribbbles: listScribbbles,
  newScribbble: newScribbble,
  findScribbble: findScribbble,
  deleteScribbble: deleteScribbble,
}