#!/usr/bin/env node
import { scan } from './stages/scan.js'
import { plan } from './stages/plan.js'
import { runTasks } from './stages/run.js'
import { diff } from './stages/diff.js'
import { verify } from './stages/verify.js'
import { status } from './stages/status.js'
import { doctor } from './stages/doctor.js'

const command = process.argv[2] ?? 'help'
const flags = new Set(process.argv.slice(3))

async function main() {
  if (command === 'scan') await scan()
  else if (command === 'plan') await plan()
  else if (command === 'run') await runTasks({ retryFailed: flags.has('--retry-failed') })
  else if (command === 'diff') await diff()
  else if (command === 'verify') await verify()
  else if (command === 'go') {
    await scan()
    await plan({ assumeYes: flags.has('--yes') })
    await runTasks({ retryFailed: false })
    await diff()
    await verify()
  } else if (command === 'status') await status()
  else if (command === 'doctor') await doctor()
  else printHelp()
}

function printHelp() {
  console.log(`Usage: ht <command>

Commands:
  scan              Capture and extract LayoutSpec artifacts
  plan              Build TaskList and project/API contracts
  run               Execute pending tasks into output/
  run --retry-failed
  diff              Build visual similarity report
  verify            Run quality, DOM, and flow checks
  go [--yes]        Run scan, plan, run, diff, verify
  status            Show TaskList summary
  doctor            Check local prerequisites`)
}

main().catch((error) => {
  console.error(error instanceof Error ? error.message : error)
  process.exitCode = 1
})