#!/usr/bin/env tsx
/**
 * CLI do indexer de sessões (Observabilidade/Espelho) — multi-agente.
 *
 * Modos:
 *   --full        Full scan de todas as fontes
 *   --watch       Modo incremental (Claude Code watcher)
 *   --source      Filtrar fonte: claude, hermes, opencode (repetível)
 *
 * Env:
 *   OBSERVABILIDADE_DB  Override ao caminho da BD SQLite
 */
import { indexAll, DEFAULT_DB_PATH, PROJECTS_ROOT } from '../services/sessions/indexer.js'
import { startWatcher } from '../services/sessions/watcher.js'

async function main(): Promise<void> {
  const args = process.argv.slice(2)
  const mode = args.find((a) => a === '--full' || a === '--watch')
  if (!mode) {
    console.error('Uso: sessions-indexer.ts [--full|--watch] [--source claude|hermes|opencode]')
    process.exit(1)
  }

  const dbPath = process.env.OBSERVABILIDADE_DB ?? DEFAULT_DB_PATH
  const sourceFlags = args.filter((a) => !a.startsWith('--'))
  const sources: ('claude' | 'hermes' | 'opencode')[] = sourceFlags.length > 0
    ? sourceFlags.filter((s): s is 'claude' | 'hermes' | 'opencode' =>
        ['claude', 'hermes', 'opencode'].includes(s))
    : ['claude', 'hermes', 'opencode']

  console.log(`[indexer] modo=${mode} fontes=${sources.join(',')} db=${dbPath}`)

  if (mode === '--watch') {
    console.log(`[indexer] watch mode em ${PROJECTS_ROOT} -> ${dbPath}`)
    await indexAll({ dbPath, sources })
    await startWatcher(dbPath)
    return
  }

  const start = Date.now()
  let lastLogged = 0
  const { indexed, failed } = await indexAll({
    dbPath,
    sources,
    onProgress: (done, total) => {
      if (done - lastLogged >= 50 || done === total) {
        console.log(`[indexer] ${done}/${total}`)
        lastLogged = done
      }
    },
  })
  const durationMs = Date.now() - start
  const durationSec = (durationMs / 1000).toFixed(1)
  console.log(`[indexer] concluído em ${durationSec}s · indexed=${indexed} failed=${failed}`)
  process.exit(failed > 0 ? 1 : 0)
}

main().catch((err) => {
  console.error('[indexer] falha fatal:', err)
  process.exit(2)
})