#!/usr/bin/env bun

import { evaluateChangePolicy } from './change-policy'
import { changedFilesForLocalPrCheck } from './changed-files'

async function run(cmd: string[], options: { optional?: boolean } = {}) {
  console.log(`\n$ ${cmd.join(' ')}`)
  const proc = Bun.spawn(cmd, {
    stdout: 'inherit',
    stderr: 'inherit',
  })
  const code = await proc.exited

  if (code !== 0 && !options.optional) {
    process.exit(code)
  }

  return code
}

async function changedFiles() {
  const explicit = process.argv.slice(2).filter((arg) => !arg.startsWith('--'))
  return changedFilesForLocalPrCheck(explicit)
}

const files = await changedFiles()
const labels = process.env.PR_LABELS?.split(',').map((label) => label.trim()).filter(Boolean) ?? []
if (process.env.ALLOW_CLI_CORE_CHANGE === '1' && !labels.includes('allow-cli-core-change')) {
  labels.push('allow-cli-core-change')
}
if (process.env.ALLOW_MISSING_TESTS === '1' && !labels.includes('allow-missing-tests')) {
  labels.push('allow-missing-tests')
}
if (process.env.ALLOW_COVERAGE_BASELINE_CHANGE === '1' && !labels.includes('allow-coverage-baseline-change')) {
  labels.push('allow-coverage-baseline-change')
}

const result = evaluateChangePolicy(files, labels)

console.log('PR local check plan')
console.log(`  Files: ${files.length}`)
console.log(`  Areas: ${result.areas.length ? result.areas.join(', ') : 'none'}`)

if (result.blockingReason) {
  console.error('\nBlocked:')
  for (const reason of result.blockingReasons) {
    console.error(`- ${reason}`)
  }
  console.error('Use ALLOW_CLI_CORE_CHANGE=1, ALLOW_MISSING_TESTS=1, or ALLOW_COVERAGE_BASELINE_CHANGE=1 only after maintainer approval.')
  process.exit(1)
}

if (result.checks.policy) {
  await run(['bun', 'run', 'check:policy'])
}

if (result.checks.desktop) {
  await run(['bun', 'run', 'check:desktop'])
}

if (result.checks.server) {
  await run(['bun', 'run', 'check:server'])
}

if (result.checks.providerContract) {
  await run(['bun', 'run', 'check:provider-contract'])
}

if (result.checks.chatContract) {
  await run(['bun', 'run', 'check:chat-contract'])
}

if (result.checks.adapters) {
  await run(['bun', 'run', 'check:adapters'])
}

if (result.checks.desktopNative) {
  await run(['bun', 'run', 'check:native'])
}

if (result.checks.persistence) {
  await run(['bun', 'run', 'check:persistence-upgrade'])
}

if (result.checks.docs) {
  await run(['bun', 'run', 'check:docs'])
}

console.log('\nPR local checks completed.')