/*
 * This will create (SVG) images for all options of all patterns
 * To do that, it will load the configuration from:
 *
 * config/pattern-options.js
 *
 * Based on that, it will generate SVG images for each option and store them
 * in the relevant folder:
 *
 * markdown/org/docs/patterns/[pattern]/[option]/[pattern]_[option]_sample.svg
 *
 */
const fs = require('fs')
const path = require('path')
const core = require('../packages/core/dist')
const theme = require('../packages/plugin-theme/dist')
const pi = require('../packages/pattern-info/dist')
const models = require('../packages/models/dist')
const wb32 = models.withBreasts.size32
const i18n = require('../packages/i18n/dist')
const capitalize = require('../packages/utils/capitalize')

const missing = []
const file = 'en.md'
const subpages = [
  'cutting',
  'fabric',
  'instructions',
  'options',
  'measurements',
  'needs'
]

const patternDocsPage = pattern => `
---

<PatternDocs pattern='${pattern}' />

`
const fixme = `
<Fixme>

This documentation page is yet to be written.

Sorry for the inconvenience.

</Fixme>
`

const component = (comp, pattern) => `---
---

<Pattern${capitalize(comp)} pattern='${pattern}' />

`

const patternDocsSubPage = (pattern, sub) => {
  switch (sub) {
    case 'measurements':
    case 'options':
      return component(sub, pattern)
      break;
    default:
      return fixme
  }
}

const optionDocsPage = (pattern, option) => "---\n\n" +
  i18n.strings.en[`options.${pattern}.${option}.description`] + "\n"

const present = folder => {
  try {
    const md = fs.readFileSync(path.join(folder, file))
    return true
  }
  catch (err) {
    return false
  }
}

const checkOptionDocs = () => {
  const steps = ['markdown', 'org', 'docs', 'patterns']
  for (const pattern of pi.list) {
    const Pattern = require(`../packages/${pattern}/dist`)
    // Index page,
    const folder = path.join(...steps, pattern)
    if (!present(folder)) {
      fs.mkdirSync(folder, { recursive: true })
      fs.writeFileSync(
        path.join(folder, file),
        patternDocsPage(pattern),
      )
    }
    // Sub pages
    for (const sub of subpages) {
      const folder = path.join(...steps, pattern, sub)
      if (!present(folder)) {
        fs.mkdirSync(folder, { recursive: true })
        fs.writeFileSync(
          path.join(folder, file),
          patternDocsSubPage(pattern, sub),
        )
      }
    }

    // Options
    for (const option of pi.options[pattern]) {
      const folder = path.join('markdown', 'org', 'docs', 'patterns', pattern, 'options', option.toLowerCase())
      if (!present(folder)) {
        missing.push(path.join(folder, file))
        fs.mkdirSync(folder, { recursive: true })
        fs.writeFileSync(
          path.join(folder, file),
          optionDocsPage(pattern, option),
        )
      }
    }
  }

  if (missing.length < 1) console.log("\n  🎉 Everything looks fine 😀\n")
  else {
    console.log("\n", 'Added documenation pages for the following options:', "\n\n")
    for (const line of missing) console.log(line)
  }
}

checkOptionDocs()