import { createLineData, parseLine, useDocument } from '@terrace/js'
import { createStdinReader } from '@terrace/js/readers/node-readline'

const testName = process.argv[2]


const tests = {
  'linedata:basic': async () => {
    const lineData = createLineData('')
    const next = createStdinReader()

    while ((lineData.line = await next()) != null) {
      parseLine(lineData)
      const { level, indent, offsetHead, offsetTail, line } = lineData
      console.log(`| level ${level} | indent ${indent} | offsetHead ${offsetHead} | offsetTail ${offsetTail} | line ${line} |`)
    }
  },
  'linedata:tabs': async () => {
    const lineData = createLineData('', '\t')
    const next = createStdinReader()

    while ((lineData.line = await next()) != null) {
      parseLine(lineData)
      const { level, indent, offsetHead, offsetTail, line } = lineData
      console.log(`| level ${level} | indent ${indent} | offsetHead ${offsetHead} | offsetTail ${offsetTail} | line ${line} |`)
    }
  },
  'linedata:head-tail': async () => {
    const lineData = createLineData('')
    const next = createStdinReader()

    while ((lineData.line = await next()) != null) {
      parseLine(lineData)
      const { level, indent, offsetHead, offsetTail, line } = lineData
      const head = line.slice(offsetHead, offsetTail)
      const tail = line.slice(offsetTail + 1)

      console.log(`| head ${head} | tail ${tail} |`)
    }
  }
}

const test = tests[testName]
await test()