import fs_ from 'fs'
import path from 'path'
import designs from '../../../config/software/designs.json' assert { type: 'json' }
import { capitalize } from '../../../sites/shared/utils.mjs'
import mustache from 'mustache'

const fs = fs_.promises

export const header = `/*
 *
 * This page was auto-generated by the prebuild script
 * Any changes you make to it will be lost on the next (pre)build.
 */
`

const loadTemplate = async (name) =>
  await fs.readFile(path.resolve('..', 'shared', 'page-templates', name), 'utf-8')

/*
 * Main method that does what needs doing
 */

export const prebuildOrg = async (site = 'org') => {
  const promises = []
  const folder = ['..', site, 'pages', 'new', 'pattern']
  const pages = {
    index: {
      page: await loadTemplate('new-pattern.mjs.mustache'),
      folder: (design) => path.resolve(...folder, design),
      file: (design) => path.resolve(...folder, design, 'index.mjs'),
    },
    set: {
      page: await loadTemplate('new-pattern-from-set.mjs.mustache'),
      folder: (design) => path.resolve(...folder, design, 'set'),
      file: (design) => path.resolve(...folder, design, 'set', '[id].mjs'),
    },
    cset: {
      page: await loadTemplate('new-pattern-from-cset.mjs.mustache'),
      folder: (design) => path.resolve(...folder, design, 'cset'),
      file: (design) => path.resolve(...folder, design, 'cset', '[id].mjs'),
    },
  }

  for (const design in designs) {
    // Generate new/pattern/design pages
    for (const page in pages) {
      await fs.mkdir(pages[page].folder(design), { recursive: true })
      promises.push(
        fs.writeFile(
          pages[page].file(design),
          mustache.render(pages[page].page, { design, Design: capitalize(design) })
        )
      )
    }
  }

  return await Promise.all(promises)
}

prebuildOrg()