// Generates all *.user.css styles.

// Require dependencies
// const fs = require('fs')
const { bump } = require('./bump.js')
const klawSync = require('klaw-sync')
const path = require('path')
const userCss = require('usercss-creator')

// Define constants
const stylesDirectory = path.join(__dirname, 'sass')
const cssDirectory = path.join(__dirname, 'css')

// Walk recursively through styles directory
let files = klawSync(stylesDirectory, {nodir: true})

// Filter out any files that aren't .json files
files = files.filter(file => path.extname(file.path) === '.json')

let style
let incrementType

for (const arg of process.argv) {
  if (arg.includes('--bump')) {
    style = arg.substring('--bump='.length, arg.length)
  }
  switch (arg) {
  case 'major':
    incrementType = 'major'
    break
  case 'minor':
    incrementType = 'minor'
    break
  case 'patch':
    incrementType = 'patch'
    break
  }
}

// Iterate through all .json files
for (const file of files) {
  // Requiring the .json file as the descriptor of the style
  const descriptor = require(file.path)
  // Test if the style we want to bump is the one currently generating
  if (style === descriptor.folder) {
    // Bump the style's .json with the increment type
    bump(file.path, incrementType)
  }
  // Creating the css path and generating the .user.css file with the options
  const cssPath = path.join(cssDirectory, descriptor.folder, descriptor.entry)
  userCss.create(cssPath, descriptor.options)
}