// forked from https://github.com/quasarframework/quasar/blob/master/app/lib/app-extension/Extension.js
import fglob from 'fast-glob'
import fs from 'fs-extra'
import { isBinaryFileSync as isBinary } from 'isbinaryfile'
import { template } from 'lodash'
import { join, resolve } from 'path'

const copyTemplates = ({
  source,
  target,
  scope
}: {
  source: string
  target: string
  scope?: object
}): void => {
  const files = fglob.sync(['**/*'], {
    cwd: source
  })

  for (const rawPath of files) {
    const targetRelativePath = rawPath
      .split('/')
      .map((name) => {
        // dotfiles are ignored when published to npm, therefore in templates
        // we need to use underscore instead (e.g. "_gitignore")
        if (name.startsWith('_') && name.charAt(1) !== '_') {
          return `.${name.slice(1)}`
        }
        if (name.startsWith('_') && name.charAt(1) === '_') {
          return `${name.slice(1)}`
        }
        return name
      })
      .join('/')

    const targetPath = join(target, targetRelativePath)
    const sourcePath = resolve(source, rawPath)

    fs.ensureFileSync(targetPath)

    if (isBinary(sourcePath)) {
      fs.copyFileSync(sourcePath, targetPath)
    } else {
      // eslint-disable-next-line security/detect-non-literal-fs-filename
      const rawContent = fs.readFileSync(sourcePath, 'utf-8')
      const compiled = template(rawContent, {
        interpolate: /<%=([\s\S]+?)%>/g
      })
      // eslint-disable-next-line security/detect-non-literal-fs-filename
      fs.writeFileSync(targetPath, compiled(scope), 'utf-8')
    }
  }
}

export default copyTemplates