#!/usr/bin/env node
import { mkdir, writeFile } from 'node:fs/promises'
import { dirname, join } from 'node:path'
import { parseArgs } from 'node:util'
import process from 'node:process'
import { buildSite } from './site.js'

const HELP = `Usage: pds-cms-render <handle-or-did> [options]

Renders an account's pds-cms content into a static site.

Options:
  -o, --out <dir>        Output directory (default: site)
  -t, --title <title>    Site title (default: the account's handle)
  -d, --description <s>  Site description
  -h, --help             Show this help
`

const { values, positionals } = parseArgs({
  options: {
    out: { type: 'string', short: 'o', default: 'site' },
    title: { type: 'string', short: 't' },
    description: { type: 'string', short: 'd' },
    help: { type: 'boolean', short: 'h' },
  },
  allowPositionals: true,
})

if (values.help || positionals.length !== 1) {
  console.log(HELP)
  process.exit(values.help ? 0 : 1)
}

const actor = positionals[0]
console.log(`Fetching content for ${actor}...`)
const files = await buildSite(actor, {
  title: values.title,
  description: values.description,
})

if (files.length === 1) {
  console.log('Note: no content records found — the site is just an empty index page.')
}
for (const file of files) {
  const path = join(values.out, file.path)
  await mkdir(dirname(path), { recursive: true })
  await writeFile(path, file.html)
  console.log(`  wrote ${path}`)
}
console.log(`Done: ${files.length} page(s) in ${values.out}/`)