#!/usr/bin/env node
/**
 * Local smoke for MCP result compactor (Phase 1-B).
 */
import {
  applyMcpCompaction,
  createMemoryCompactStore,
  fetchCompactPayload,
  resetMcpCompactStoresForTests,
  resolveMcpCompactMode,
} from '../mcp-result-compactor.mjs';

resetMcpCompactStoresForTests();
const store = createMemoryCompactStore();
const payload = `section-${'x'.repeat(6000)}\nfooter-line`;

const shadow = await applyMcpCompaction(payload, {
  kind: 'tkmind_read',
  env: { MEMIND_MCP_COMPACT_MODE: 'shadow', MEMIND_MCP_COMPACT_BUDGET_CHARS: '800' },
  store,
});
if (shadow.text !== payload || shadow.mode !== 'shadow') {
  throw new Error(`shadow mode should keep original payload: ${JSON.stringify(shadow)}`);
}

const active = await applyMcpCompaction(payload, {
  kind: 'tkmind_read',
  env: { MEMIND_MCP_COMPACT_MODE: 'active', MEMIND_MCP_COMPACT_BUDGET_CHARS: '800' },
  store,
});
if (!active.compacted || !active.handle) {
  throw new Error(`active mode should compact payload: ${JSON.stringify(active)}`);
}
const restored = await fetchCompactPayload(active.handle, { store });
if (!restored.ok || restored.text !== payload) {
  throw new Error(`ctx_fetch restore failed: ${JSON.stringify(restored)}`);
}

console.log('MCP_COMPACTOR_LOCAL_OK:', {
  mode: resolveMcpCompactMode(),
  shadowSavedRatio: shadow.stats?.savedRatio ?? 0,
  activeSavedRatio: active.stats?.savedRatio ?? 0,
  handle: active.handle,
});