#!/usr/bin/env node
/**
 * cli:scaffold-controller
 * Responsabilité : Generate API controller + permissions class
 */
import { parseArgs } from 'node:util'
import { mkdirSync, writeFileSync } from 'node:fs'
import { dirname, resolve, join } from 'node:path'
import { validate } from './validate.js'
import { generate, legacyPaths } from './generate.js'
import { generateEnvelope, failGenerate, printEnvelope } from '../../../../../lib/output.js'
import { guardedRm } from '../../../../../lib/guarded-rm.js'

const COMMAND = 'scaffold-controller'

function main(): void {
  const { values } = parseArgs({ options: { spec: { type: 'string' }, outdir: { type: 'string' }, dry_run: { type: 'boolean', default: false } }, strict: true })
  if (!values.spec) { printEnvelope(failGenerate(COMMAND, ['--spec is required'])); process.exit(1) }

  let raw: unknown
  try { raw = JSON.parse(values.spec) } catch { printEnvelope(failGenerate(COMMAND, ['Invalid JSON'])); process.exit(1) }

  const validation = validate(raw)
  if (!validation.valid) { printEnvelope(failGenerate(COMMAND, validation.errors)); process.exit(1) }

  const spec = raw as any
  const files = generate(spec)

  if (values.dry_run) {
    printEnvelope(generateEnvelope(COMMAND, { data: { dryRun: true, files: files.map(f => f.path) } }))
    process.exit(0)
  }

  const outdir = values.outdir ?? spec.projectPath
  // Idempotent relocate: delete the pre-classification copies before writing the
  // new <App>/<Module>-classified files so re-running /ba-develop MOVES them.
  // Guarded sweep (lib/guarded-rm): @customised files preserved, deletions traced.
  const legacySweep = guardedRm(legacyPaths(spec), { outdir })
  const written: string[] = []
  for (const file of files) {
    const fullPath = resolve(join(outdir, file.path))
    mkdirSync(dirname(fullPath), { recursive: true })
    writeFileSync(fullPath, file.content, 'utf-8')
    written.push(fullPath)
  }

  printEnvelope(generateEnvelope(COMMAND, {
    data: { entity: spec.name, navRoute: spec.navRoute, fileCount: written.length, filesRemoved: legacySweep.removed },
    filesCreated: written,
    warnings: legacySweep.preserved.map(p => `legacy path ${p} kept: marked @customised — delete manually if truly superseded.`),
    nextSteps: ['Verify SS001-SS007 conventions', 'Run dotnet build'],
  }))
}

main()