#!/usr/bin/env node
"use strict";

const assert = require("node:assert");
const fs = require("node:fs");
const path = require("node:path");
const { request } = require("playwright");

const BASE_URL = (process.env.MNOTE_WEB_SMOKE_BASE_URL || "http://127.0.0.1:3000").replace(/\/+$/, "");
const ROOT_PATH = process.env.MNOTE_KNOWLEDGE_RAG_ROOT_PATH || "/mnt/Data1T/Mnote_data/users/mnote-e2e/workspaces/my-space";
const ROOT_URI = process.env.MNOTE_KNOWLEDGE_RAG_ROOT_URI || `file://${ROOT_PATH}`;
const WORKSPACE_ID = process.env.MNOTE_KNOWLEDGE_RAG_WORKSPACE_ID || "local-ws:mnote-e2e:my-space";
const FIXTURE_DIR = process.env.MNOTE_TASK781_FIXTURE_DIR || "knowledge-rag-fixtures-7-68";
const OUTPUT_DIR = path.join(process.cwd(), "tmp", "task781-knowledge-bases-registry-smoke");
const RESULT_PATH = path.join(OUTPUT_DIR, "result.json");
const FAILURE_PATH = path.join(OUTPUT_DIR, "failure.json");
const UI_TIMEOUT_MS = Number(process.env.MNOTE_SMOKE_UI_TIMEOUT_MS || 30_000);
const POLL_TIMEOUT_MS = Number(process.env.MNOTE_TASK781_WEKNORA_TIMEOUT_MS || 240_000);
const POLL_INTERVAL_MS = Number(process.env.MNOTE_TASK781_WEKNORA_POLL_MS || 5_000);

function writeJson(filePath, payload) {
  fs.mkdirSync(path.dirname(filePath), { recursive: true });
  fs.writeFileSync(filePath, `${JSON.stringify(payload, null, 2)}\n`, "utf8");
}

function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

function failLayer(layer, message, details = {}) {
  const error = new Error(message);
  error.layer = layer;
  error.details = details;
  return error;
}

async function signIn(context) {
  const response = await context.post(`${BASE_URL}/api/auth`, {
    data: {
      action: "auth:signIn",
      args: {
        provider: "password",
        params: {
          email: "mnote.e2e@example.com",
          password: process.env.MNOTE_E2E_PASSWORD || "MnoteE2E123!",
          flow: "signIn",
        },
      },
    },
    timeout: UI_TIMEOUT_MS,
  });
  assert(response.ok(), `登录失败: ${response.status()} ${await response.text()}`);
}

async function apiJson(context, method, url, data) {
  const response = await context.fetch(url, {
    method,
    data,
    headers: {
      "x-mnote-actor-id": "mnote-e2e",
      "x-mnote-actor-type": "user",
      "x-mnote-workspace-id": WORKSPACE_ID,
      accept: "application/json",
    },
    timeout: UI_TIMEOUT_MS,
  });
  const text = await response.text();
  let payload = null;
  try {
    payload = text ? JSON.parse(text) : null;
  } catch {
    payload = { rawText: text };
  }
  return { ok: response.ok(), status: response.status(), payload, text };
}

async function status(context) {
  const params = new URLSearchParams({ rootUri: ROOT_URI, workspaceId: WORKSPACE_ID });
  const result = await apiJson(context, "GET", `${BASE_URL}/api/knowledge-rag/status?${params.toString()}`);
  assert(result.ok, `status HTTP ${result.status}: ${JSON.stringify(result.payload || result.text).slice(0, 1000)}`);
  return result.payload;
}

function assertKnowledgeBases(payload) {
  assert.equal(payload?.provider, "weknora", `status provider 应为 weknora: ${JSON.stringify(payload?.providerConfig || payload, null, 2).slice(0, 1000)}`);
  assert.equal(payload?.knowledgeBases?.schema, "mnote.knowledge_bases.registry.v1", "status 应返回 mnote_knowledge_bases registry schema");
  assert.equal(payload?.registry?.schema, "mnote.knowledge_rag.source_registry.v1", "status 应保留旧 source registry schema");
  assert.equal(payload?.providerConfig?.weknora?.knowledgeBaseRegistry, "mnote_knowledge_bases", "providerConfig 应暴露 KB registry 边界");
  assert.equal(payload?.providerConfig?.weknora?.sourceRegistry, "mnote_knowledge_sources", "providerConfig 应暴露 source registry 边界");
  const bases = payload?.knowledgeBases?.bases || [];
  assert(Array.isArray(bases) && bases.length > 0, `knowledgeBases.bases 应至少包含默认 WeKnora KB: ${JSON.stringify(payload?.knowledgeBases, null, 2)}`);
  const base = bases.find((item) => item.provider === "weknora" && item.providerKbId);
  assert(base, `缺少 provider-neutral WeKnora KB: ${JSON.stringify(bases, null, 2)}`);
  assert.equal(base.defaultToolEnabled, true, "默认 WeKnora KB 应开启 tool 可见性");
  return base;
}

async function ingest(context, sourcePath) {
  const result = await apiJson(context, "POST", `${BASE_URL}/api/knowledge-rag/ingest`, {
    rootUri: ROOT_URI,
    workspaceId: WORKSPACE_ID,
    force: true,
    sources: [{ sourcePath }],
  });
  if (!result.ok) {
    throw failLayer("mnote_ingest_http", `ingest HTTP ${result.status}`, { response: result.payload || result.text });
  }
  const payload = result.payload;
  assert.equal(payload?.provider, "weknora", "ingest provider 应为 weknora");
  assert.equal(payload?.knowledgeBases?.schema, "mnote.knowledge_bases.registry.v1", "ingest 应返回 knowledgeBases registry");
  const item = (payload.configuredSources || []).find((source) => source.sourceRootRelativePath === sourcePath);
  assert(item, `ingest 结果缺少目标 source: ${JSON.stringify(payload.configuredSources, null, 2).slice(0, 1000)}`);
  assert.equal(item.mappingStatus, "provider_mapped", `ingest 应 provider_mapped: ${JSON.stringify(item, null, 2)}`);
  assert(item.providerKnowledgeBaseId, `ingest 缺少 providerKnowledgeBaseId: ${JSON.stringify(item, null, 2)}`);
  assert(item.providerKnowledgeId, `ingest 缺少 providerKnowledgeId: ${JSON.stringify(item, null, 2)}`);
  const registryEntry = (payload.registry?.entries || []).find((entry) => entry.sourceRootRelativePath === sourcePath);
  assert(registryEntry, "source registry 应写入目标 source");
  assert.equal(registryEntry.provider, "weknora", `source registry 应写 provider: ${JSON.stringify(registryEntry, null, 2)}`);
  assert.equal(registryEntry.providerKnowledgeBaseId, item.providerKnowledgeBaseId, "source registry 应写 providerKnowledgeBaseId");
  assert.equal(registryEntry.providerKnowledgeId, item.providerKnowledgeId, "source registry 应写 providerKnowledgeId");
  assert.equal(registryEntry.providerSourceId, item.providerKnowledgeId, "source registry 应写 providerSourceId");
  assert(registryEntry.lightRagDocId, "旧 lightRagDocId 兼容字段仍应保留 provider knowledge id");
  return { payload, item, registryEntry };
}

async function search(context, marker, sourcePath) {
  const startedAt = Date.now();
  let lastPayload = null;
  while (Date.now() - startedAt < POLL_TIMEOUT_MS) {
    const result = await apiJson(context, "POST", `${BASE_URL}/api/knowledge-rag/search`, {
      rootUri: ROOT_URI,
      workspaceId: WORKSPACE_ID,
      query: marker,
      mode: "hybrid",
      topK: 10,
      chunkTopK: 10,
      includeChunkContent: true,
      sourcePaths: [sourcePath],
    });
    assert(result.ok, `search HTTP ${result.status}: ${JSON.stringify(result.payload || result.text).slice(0, 1000)}`);
    lastPayload = result.payload;
    const hit = (lastPayload.references || []).find((reference) => {
      const quote = `${reference.rawQuote || ""}\n${reference.displayQuote || ""}\n${reference.quote || ""}`;
      return reference.provider === "weknora" && (reference.sourceRootRelativePath === sourcePath || quote.includes(marker));
    });
    if (hit) return { payload: lastPayload, reference: hit };
    await sleep(POLL_INTERVAL_MS);
  }
  throw failLayer("weknora_search_timeout", "等待 WeKnora search 返回 task781 source 超时", { marker, sourcePath, lastPayload });
}

async function main() {
  fs.mkdirSync(OUTPUT_DIR, { recursive: true });
  if (!fs.existsSync(ROOT_PATH)) {
    throw failLayer("allowed_root_missing", `allowed root 不存在: ${ROOT_PATH}`);
  }

  const context = await request.newContext({ baseURL: BASE_URL });
  try {
    await signIn(context);
    const beforeStatus = await status(context);
    const baseBefore = assertKnowledgeBases(beforeStatus);

    const startedAt = Date.now();
    const marker = `task781 knowledge bases registry marker ${startedAt}`;
    const sourcePath = `${FIXTURE_DIR}/task781-knowledge-base-registry-${startedAt}.md`;
    const absoluteSourcePath = path.join(ROOT_PATH, sourcePath);
    fs.mkdirSync(path.dirname(absoluteSourcePath), { recursive: true });
    fs.writeFileSync(
      absoluteSourcePath,
      [
        "# Task 781 Knowledge Base Registry",
        "",
        marker,
        "",
        "This file verifies MNote provider-neutral knowledge base and source registry boundaries.",
        "",
      ].join("\n"),
      "utf8",
    );

    const ingestResult = await ingest(context, sourcePath);
    const searchResult = await search(context, marker, sourcePath);
    const afterStatus = await status(context);
    const baseAfter = assertKnowledgeBases(afterStatus);

    const persistedRegistryPath = path.join(ROOT_PATH, ".mnote", "index", "mnote-knowledge-bases.json");
    assert(fs.existsSync(persistedRegistryPath), `应持久化 mnote_knowledge_bases registry: ${persistedRegistryPath}`);
    const persistedRegistry = JSON.parse(fs.readFileSync(persistedRegistryPath, "utf8"));
    assert.equal(persistedRegistry.schema, "mnote.knowledge_bases.registry.v1", "持久化 KB registry schema 不正确");
    assert((persistedRegistry.bases || []).some((base) => base.provider === "weknora" && base.providerKbId), "持久化 KB registry 缺少 WeKnora base");

    const result = {
      ok: true,
      task: "task781-knowledge-bases-registry-smoke",
      baseUrl: BASE_URL,
      rootUri: ROOT_URI,
      workspaceId: WORKSPACE_ID,
      sourcePath,
      absoluteSourcePath,
      marker,
      knowledgeBase: {
        before: {
          baseId: baseBefore.baseId,
          provider: baseBefore.provider,
          providerKbId: baseBefore.providerKbId,
          defaultToolEnabled: baseBefore.defaultToolEnabled,
        },
        after: {
          baseId: baseAfter.baseId,
          provider: baseAfter.provider,
          providerKbId: baseAfter.providerKbId,
          defaultToolEnabled: baseAfter.defaultToolEnabled,
          sourceCount: baseAfter.sourceCount,
        },
        persistedRegistryPath,
      },
      sourceRegistry: {
        provider: ingestResult.registryEntry.provider,
        providerStatus: ingestResult.registryEntry.providerStatus,
        providerKnowledgeBaseId: ingestResult.registryEntry.providerKnowledgeBaseId,
        providerKnowledgeId: ingestResult.registryEntry.providerKnowledgeId,
        providerSourceId: ingestResult.registryEntry.providerSourceId,
        lightRagDocIdCompat: ingestResult.registryEntry.lightRagDocId,
      },
      search: {
        provider: searchResult.payload.provider,
        referenceProvider: searchResult.reference.provider,
        sourceRootRelativePath: searchResult.reference.sourceRootRelativePath,
        providerKnowledgeBaseId: searchResult.reference.providerKnowledgeBaseId,
        providerKnowledgeId: searchResult.reference.providerKnowledgeId,
        providerChunkId: searchResult.reference.providerChunkId,
      },
    };
    writeJson(RESULT_PATH, result);
    console.log(JSON.stringify(result, null, 2));
  } finally {
    await context.dispose().catch(() => undefined);
  }
}

main().catch((error) => {
  const payload = {
    ok: false,
    task: "task781-knowledge-bases-registry-smoke",
    layer: error.layer || "unexpected",
    error: error.stack || error.message || String(error),
    details: error.details || null,
    baseUrl: BASE_URL,
    rootUri: ROOT_URI,
    workspaceId: WORKSPACE_ID,
  };
  writeJson(FAILURE_PATH, payload);
  console.error(JSON.stringify(payload, null, 2));
  process.exit(1);
});