#!/usr/bin/env node
import path from 'node:path'

const rawArgs = process.argv.slice(2)
const command = rawArgs.shift()
const rootIndex = rawArgs.indexOf('--root')
if (rootIndex >= 0) {
  const root = rawArgs[rootIndex + 1]
  if (!root)
    throw new Error('--root 需要一个目录')
  rawArgs.splice(rootIndex, 2)
  process.chdir(path.resolve(root))
}
process.argv = [process.argv[0], process.argv[1], ...rawArgs]

switch (command) {
  case 'dev':
    await import('./dev.ts')
    break
  case 'present':
    await import('./present.ts')
    break
  case 'build':
    await import('./build.ts')
    break
  case 'check':
    await (await import('./check.ts')).runCheck()
    break
  case 'export':
    await import('./export.ts')
    break
  case 'init':
    await import('./init.ts')
    break
  case 'install-browser':
    await import('./install-browser.ts')
    break
  case undefined:
  case 'help':
  case '--help':
  case '-h':
    printHelp()
    break
  default:
    console.error(`未知命令：${command}`)
    printHelp()
    process.exitCode = 1
}

function printHelp() {
  console.log(`easy-slides

用法：
  easy-slides init [directory] [--engine <package-spec>]
  easy-slides install-browser [--with-deps]
  easy-slides dev [slug|slides.md]
  easy-slides present <slug>
  easy-slides build
  easy-slides check
  easy-slides export <slug> --format pdf|png|pptx

全局选项：
  --root <directory>  在指定内容项目中运行`)
}