import assert from 'node:assert/strict';
import test from 'node:test';
import {
  createOrchestratorAdminConfigService,
  defaultOrchestratorConfig,
  normalizeOrchestratorConfig,
} from './admin-config.mjs';

function createPool() {
  let row = null;
  let createTableCalls = 0;
  return {
    get createTableCalls() {
      return createTableCalls;
    },
    async query(sql, params = []) {
      if (sql.includes('CREATE TABLE')) {
        createTableCalls += 1;
        return [[], []];
      }
      if (sql.includes('SELECT config_json')) return [[...(row ? [row] : [])], []];
      if (sql.includes('INSERT INTO')) {
        row = {
          config_json: params[1],
          config_version: params[2],
          updated_by: params[3],
          updated_at: params[4],
        };
        return [{ affectedRows: 1 }, []];
      }
      throw new Error(`Unexpected SQL: ${sql}`);
    },
  };
}

test('orchestrator config defaults to a disabled native-safe runtime', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), { env: {} });
  const state = await service.getAdminConfig();
  assert.equal(state.config.mode, 'off');
  assert.equal(state.config.primaryEngine, 'langgraph');
  assert.equal(state.runtime.effective, false);
  assert.equal(state.runtime.reason, 'mode_off');
  assert.deepEqual(state.runtime.shadowObservation, {
    requested: false,
    enabled: false,
    reason: 'shadow_observation_not_requested',
    environmentGate: false,
  });
  assert.equal(state.engines.find((engine) => engine.id === 'native').configured, true);
  assert.equal(state.engines.find((engine) => engine.id === 'langgraph').configured, false);
  assert.deepEqual(
    state.executors.map((executor) => executor.id),
    ['goosed', 'aider', 'openhands'],
  );
  assert.equal(state.executors.every((executor) => executor.enabled === false), true);
  assert.equal(
    state.executors.every((executor) => executor.dispatchImplemented === true),
    true,
  );
  assert.equal(state.config.executionEnabled, false);
});

test('orchestrator config normalizes unsafe values and keeps a workflow allowlist', () => {
  const normalized = normalizeOrchestratorConfig({
    mode: 'active',
    serviceUrl: 'file:///tmp/graph',
    requestTimeoutMs: 1,
    rolloutPercent: 500,
    workflowAllowlist: ['code-run-v1', 'INVALID WORKFLOW', 'code-run-v1'],
  });
  assert.equal(normalized.serviceUrl, '');
  assert.equal(normalized.requestTimeoutMs, 500);
  assert.equal(normalized.rolloutPercent, 100);
  assert.deepEqual(normalized.workflowAllowlist, ['code-run-v1']);
  assert.equal(
    normalizeOrchestratorConfig({
      serviceUrl: 'https://orchestrator.example/internal?token=secret',
    }).serviceUrl,
    '',
  );
});

test('orchestrator config initializes its schema once per shared pool', async () => {
  const pool = createPool();
  const first = createOrchestratorAdminConfigService(pool, { env: {} });
  const second = createOrchestratorAdminConfigService(pool, { env: {} });
  await first.ensureSchema();
  await first.getRuntimeState();
  await second.getAdminConfig();
  assert.equal(pool.createTableCalls, 1);
});

test('orchestrator blocks non-loopback service origins unless explicitly allowed', async () => {
  const pool = createPool();
  const blockedService = createOrchestratorAdminConfigService(pool, { env: {} });
  const blocked = await blockedService.updateAdminConfig({
    mode: 'shadow',
    serviceUrl: 'https://orchestrator.example',
  });
  assert.equal(blocked.runtime.effective, false);
  assert.equal(blocked.runtime.reason, 'service_url_not_allowed');
  assert.deepEqual(blocked.runtime.shadowObservation, {
    requested: true,
    enabled: false,
    reason: 'service_url_not_allowed',
    environmentGate: false,
  });

  const allowedService = createOrchestratorAdminConfigService(pool, {
    env: {
      MEMIND_ORCHESTRATOR_ALLOWED_ORIGINS: 'https://orchestrator.example',
    },
  });
  const allowed = await allowedService.getRuntimeState();
  assert.equal(allowed.runtime.effective, true);
  assert.equal(allowed.runtime.reason, null);
});

test('orchestrator config persists versioned admin updates and selects canary users', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), { env: {} });
  const updated = await service.updateAdminConfig({
    ...defaultOrchestratorConfig(),
    mode: 'canary',
    serviceUrl: 'http://127.0.0.1:8093',
    rolloutPercent: 0,
    userAllowlist: ['user-1'],
  }, { updatedBy: 'admin-1' });
  assert.equal(updated.configVersion, 1);
  assert.equal(updated.updatedBy, 'admin-1');
  assert.equal(updated.runtime.effective, true);

  const selected = await service.selectEngine({
    runId: 'run-1',
    userId: 'user-1',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'native');
  assert.equal(selected.candidateEngine, 'langgraph');
  assert.equal(selected.reason, 'execution_gate_disabled');
  assert.equal(selected.candidateReason, 'user_allowlist');
  assert.equal(selected.dryRun, true);

  const native = await service.selectEngine({
    runId: 'run-2',
    userId: 'user-2',
    workflowName: 'code-run-v1',
  });
  assert.equal(native.engine, 'native');
  assert.equal(native.candidateEngine, 'native');
  assert.equal(native.reason, 'canary_not_selected');
});

test('orchestrator execution handoff remains disabled without both admin and environment gates', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), { env: {} });
  await service.updateAdminConfig({
    mode: 'active',
    serviceUrl: 'http://127.0.0.1:8093',
  });

  const runtime = await service.getRuntimeState();
  assert.equal(runtime.runtime.plansLangGraph, true);
  assert.equal(runtime.runtime.executesLangGraph, false);
  assert.deepEqual(runtime.runtime.executionHandoff, {
    implemented: true,
    requested: false,
    enabled: false,
    reason: 'environment_execution_gate_disabled',
    environmentGate: false,
  });

  const selected = await service.selectEngine({
    runId: 'run-1',
    userId: 'user-1',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'native');
  assert.equal(selected.candidateEngine, 'langgraph');
  assert.equal(selected.dryRun, true);
});

test('orchestrator selects LangGraph only when admin and environment execution gates agree', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), {
    env: { MEMIND_ORCHESTRATOR_EXECUTION_HANDOFF_ENABLED: '1' },
  });
  await service.updateAdminConfig({
    mode: 'canary',
    serviceUrl: 'http://127.0.0.1:8093',
    executionEnabled: true,
    userAllowlist: ['user-1'],
  });
  const runtime = await service.getRuntimeState();
  assert.equal(runtime.runtime.executesLangGraph, true);
  assert.equal(runtime.runtime.executionHandoff.environmentGate, true);
  const selected = await service.selectEngine({
    runId: 'run-1',
    userId: 'user-1',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'langgraph');
  assert.equal(selected.candidateEngine, 'langgraph');
  assert.equal(selected.reason, 'user_allowlist');
  assert.equal(selected.dryRun, false);
});

test('orchestrator keeps a Native primary as a non-dry-run Native selection', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), { env: {} });
  await service.updateAdminConfig({
    mode: 'active',
    primaryEngine: 'native',
  });

  const selected = await service.selectEngine({
    runId: 'run-native',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'native');
  assert.equal(selected.candidateEngine, 'native');
  assert.equal(selected.reason, 'active');
  assert.equal(selected.dryRun, false);
});

test('Shadow mode evaluates the Canary rollout while Native remains effective', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), { env: {} });
  await service.updateAdminConfig({
    mode: 'shadow',
    serviceUrl: 'http://127.0.0.1:8093',
    rolloutPercent: 0,
    userAllowlist: ['user-preview'],
  });

  const selected = await service.selectEngine({
    runId: 'run-preview-selected',
    userId: 'user-preview',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'native');
  assert.equal(selected.shadowEngine, 'langgraph');
  assert.equal(selected.candidateEngine, 'langgraph');
  assert.equal(selected.candidateReason, 'user_allowlist');
  assert.equal(selected.dryRun, true);

  const native = await service.selectEngine({
    runId: 'run-preview-native',
    userId: 'user-native',
    workflowName: 'code-run-v1',
  });
  assert.equal(native.engine, 'native');
  assert.equal(native.shadowEngine, 'langgraph');
  assert.equal(native.candidateEngine, 'native');
  assert.equal(native.candidateReason, 'canary_not_selected');
  assert.equal(native.dryRun, true);
  const runtime = await service.getRuntimeState();
  assert.equal(runtime.runtime.shadowsLangGraph, false);
  assert.deepEqual(runtime.runtime.shadowObservation, {
    requested: true,
    enabled: false,
    reason: 'environment_shadow_observation_gate_disabled',
    environmentGate: false,
  });
});

test('Shadow runtime reports the independent Portal observation wiring gate', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), {
    env: { MEMIND_ORCHESTRATOR_SHADOW_OBSERVATION_ENABLED: '1' },
  });
  await service.updateAdminConfig({
    mode: 'shadow',
    serviceUrl: 'http://127.0.0.1:8093',
  });
  const runtime = await service.getRuntimeState();
  assert.equal(runtime.runtime.shadowsLangGraph, true);
  assert.deepEqual(runtime.runtime.shadowObservation, {
    requested: true,
    enabled: true,
    reason: null,
    environmentGate: true,
  });
});

test('orchestrator emergency kill switch always forces native selection', async () => {
  const service = createOrchestratorAdminConfigService(createPool(), {
    env: { MEMIND_ORCHESTRATOR_KILL_SWITCH: '1' },
  });
  await service.updateAdminConfig({
    mode: 'active',
    serviceUrl: 'http://127.0.0.1:8093',
  });
  const selected = await service.selectEngine({
    runId: 'run-1',
    userId: 'user-1',
    workflowName: 'code-run-v1',
  });
  assert.equal(selected.engine, 'native');
  assert.equal(selected.reason, 'kill_switch');
});

test('orchestrator runtime probe reports sanitized service health', async () => {
  let requestedUrl = null;
  const service = createOrchestratorAdminConfigService(createPool(), {
    env: {},
    fetchImpl: async (url) => {
      requestedUrl = url;
      return new Response(JSON.stringify({
        status: 'ok',
        service: 'memind-langgraph-orchestrator',
        checkpoint: { kind: 'postgres', durable: true, password: 'must-not-pass-through' },
        execution: 'observe-only',
        executorGateway: {
          dispatchImplemented: false,
          executionEnabled: false,
          store: { kind: 'postgres', durable: true, password: 'must-not-pass-through' },
          adapters: [{ id: 'goosed', secret: 'must-not-pass-through' }],
        },
        ignoredSecret: 'must-not-pass-through',
      }), {
        status: 200,
        headers: { 'content-type': 'application/json' },
      });
    },
  });
  await service.updateAdminConfig({
    mode: 'shadow',
    serviceUrl: 'http://127.0.0.1:8093',
  });

  const runtime = await service.getRuntimeState({ probe: true });
  assert.equal(requestedUrl, 'http://127.0.0.1:8093/ready');
  assert.equal(runtime.serviceHealth.ok, true);
  assert.equal(runtime.serviceHealth.details.checkpoint.durable, true);
  assert.deepEqual(runtime.serviceHealth.details.executorGateway, {
    dispatchImplemented: false,
    executionEnabled: false,
    store: { kind: 'postgres', durable: true },
  });
  assert.equal('password' in runtime.serviceHealth.details.checkpoint, false);
  assert.equal('ignoredSecret' in runtime.serviceHealth.details, false);
});